$126 Find Cheap Flights from Chicago to San Francisco - Compare and Save
This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Chicago to San Francisco departing on 10/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
Round-trip
1 adult
Economy
0 bags
Round-trip
1 adult, Economy, 0 bags
...and more
Save 21% or more on flights. Compare deals from all over the web.
Never overpay with our price tracking tools.
Filter searches by price, airline and more to find your best flights.
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to San Francisco!
Flight Deals
Booking Insights
Expert advice
Flight Deals
Cheap Flights from Chicago to San Francisco (CHI-SFO)
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Chicago to San Francisco that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.
Round-trip
One-way
Last minute
Direct
Recent round-trip flight deals from Chicago to San Francisco
Tue, Sep 22 - Thu, Sep 24
1:21 pm - 6:24 pmORD Chicago O'Hare Intl-SFO San Francisco
7h 03m1 stop Las Vegas Harry Reid Intl
8:24 pm - 5:38 amSFO San Francisco-ORD Chicago O'Hare Intl
7h 14m1 stop Las Vegas Harry Reid Intl
$242Frontier
Thu, Nov 12 - Sat, Nov 14
6:30 am - 11:17 amORD Chicago O'Hare Intl-SFO San Francisco
6h 47m1 stop Denver Intl
12:20 pm - 12:21 amSFO San Francisco-ORD Chicago O'Hare Intl
10h 01m1 stop Denver Intl
$242Frontier
Fri, Oct 16 - Sun, Oct 18
8:01 pm - 8:38 pmORD Chicago O'Hare Intl-SFO San Francisco
26h 37m1 stop Los Angeles
6:07 am - 6:20 pmSFO San Francisco-ORD Chicago O'Hare Intl
10h 13m1 stop Seattle/Tacoma Intl
$243Multiple Airlines
Fri, Sep 25 - Tue, Sep 29
8:17 pm - 8:46 amORD Chicago O'Hare Intl-SFO San Francisco
14h 29m1 stop San Diego
7:11 pm - 5:38 amSFO San Francisco-ORD Chicago O'Hare Intl
8h 27m1 stop Las Vegas Harry Reid Intl
$244Multiple Airlines
Tue, Dec 8 - Fri, Dec 11
6:00 am - 1:48 pmORD Chicago O'Hare Intl-SFO San Francisco
9h 48m1 stop Seattle/Tacoma Intl
7:59 pm - 7:00 amSFO San Francisco-ORD Chicago O'Hare Intl
9h 01m1 stop Seattle/Tacoma Intl
$248Alaska Airlines
Mon, Dec 7 - Fri, Dec 11
7:55 pm - 8:02 amORD Chicago O'Hare Intl-SFO San Francisco
14h 07m1 stop San Diego
2:49 pm - 11:59 pmSFO San Francisco-ORD Chicago O'Hare Intl
7h 10m1 stop San Diego
$248Alaska Airlines
Tue, Oct 27 - Mon, Nov 2
2:30 pm - 5:25 pmORD Chicago O'Hare Intl-SFO San Francisco
4h 55mnonstop
6:42 pm - 12:59 amSFO San Francisco-ORD Chicago O'Hare Intl
4h 17mnonstop
$257United Airlines
Tue, Nov 10 - Tue, Nov 10
1:30 pm - 4:20 pmORD Chicago O'Hare Intl-SFO San Francisco
4h 50mnonstop
10:45 pm - 5:04 amSFO San Francisco-ORD Chicago O'Hare Intl
4h 19mnonstop
$257United Airlines
Sat, Oct 24 - Mon, Oct 26
5:10 pm - 8:11 pmORD Chicago O'Hare Intl-SFO San Francisco
5h 01mnonstop
7:10 am - 1:44 pmSFO San Francisco-ORD Chicago O'Hare Intl
4h 34mnonstop
$257American Airlines
Fri, Nov 6 - Thu, Nov 26
9:45 am - 12:41 pmORD Chicago O'Hare Intl-SFO San Francisco
4h 56mnonstop
8:47 am - 3:16 pmSFO San Francisco-ORD Chicago O'Hare Intl
4h 29mnonstop
$257American Airlines
Recent one-way flight deals from Chicago to San Francisco
Fri, Oct 16
8:01 pm - 8:38 pmORD Chicago O'Hare Intl-SFO San Francisco
26h 37m1 stop Los Angeles
$126Frontier
Fri, Oct 30
10:40 am - 10:29 pmORD Chicago O'Hare Intl-SFO San Francisco
13h 49m1 stop Dallas/Fort Worth
$126Frontier
Sat, Oct 24
6:25 pm - 9:11 pmORD Chicago O'Hare Intl-SFO San Francisco
4h 46mnonstop
$129United Airlines
Wed, Sep 23
10:40 am - 1:27 pmORD Chicago O'Hare Intl-SFO San Francisco
4h 47mnonstop
$129United Airlines
Thu, Oct 1
7:00 pm - 9:54 pmORD Chicago O'Hare Intl-SFO San Francisco
4h 54mnonstop
$129American Airlines
Thu, Oct 1
7:00 pm - 9:54 pmORD Chicago O'Hare Intl-SFO San Francisco
4h 54mnonstop
$129American Airlines
Tue, Oct 13
8:55 pm - 11:40 pmMDW Chicago Midway-SFO San Francisco
4h 45mnonstop
$129Southwest
Tue, Oct 6
8:55 pm - 11:40 pmMDW Chicago Midway-SFO San Francisco
4h 45mnonstop
$129Southwest
Wed, Oct 14
2:55 pm - 12:07 amORD Chicago O'Hare Intl-SFO San Francisco
11h 12m1 stop Fort Lauderdale
$129JetBlue
Fri, Oct 16
2:55 pm - 12:07 amORD Chicago O'Hare Intl-SFO San Francisco
11h 12m1 stop Fort Lauderdale
$139JetBlue
Recent last minute flight deals from Chicago to San Francisco
Wed, Sep 9 - Sat, Sep 26
6:30 am - 10:47 amORD Chicago O'Hare Intl-SFO San Francisco
6h 17m1 stop Denver Intl
11:42 am - 12:23 amSFO San Francisco-ORD Chicago O'Hare Intl
10h 41m1 stop Denver Intl
$263Frontier
Thu, Sep 10 - Wed, Oct 7
6:30 am - 5:17 pmORD Chicago O'Hare Intl-SFO San Francisco
12h 47m2 stops Denver Intl Las Vegas Harry Reid Intl
9:00 am - 6:34 amSFO San Francisco-ORD Chicago O'Hare Intl
19h 34m1 stop Los Angeles
$274Frontier
Wed, Sep 9 - Tue, Sep 22
4:00 pm - 6:49 pmORD Chicago O'Hare Intl-SFO San Francisco
4h 49mnonstop
10:35 pm - 5:01 amSFO San Francisco-ORD Chicago O'Hare Intl
4h 26mnonstop
$336United Airlines
Wed, Sep 9 - Tue, Sep 29
4:00 pm - 6:49 pmORD Chicago O'Hare Intl-SFO San Francisco
4h 49mnonstop
6:38 pm - 12:59 amSFO San Francisco-ORD Chicago O'Hare Intl
4h 21mnonstop
$336United Airlines
Fri, Sep 11 - Tue, Sep 22
1:29 pm - 4:18 pmORD Chicago O'Hare Intl-SFO San Francisco
4h 49mnonstop
1:29 pm - 8:21 pmSFO San Francisco-ORD Chicago O'Hare Intl
4h 52mnonstop
$336American Airlines
Fri, Sep 11 - Wed, Oct 21
5:13 pm - 8:04 pmORD Chicago O'Hare Intl-SFO San Francisco
4h 51mnonstop
3:18 pm - 9:50 pmSFO San Francisco-ORD Chicago O'Hare Intl
4h 32mnonstop
$336American Airlines
Thu, Sep 10 - Tue, Sep 22
9:10 pm - 11:50 pmMDW Chicago Midway-SFO San Francisco
4h 40mnonstop
11:40 pm - 5:50 amSFO San Francisco-MDW Chicago Midway
4h 10mnonstop
$336Southwest
Thu, Sep 10 - Wed, Oct 7
9:10 pm - 11:50 pmMDW Chicago Midway-SFO San Francisco
4h 40mnonstop
11:40 pm - 5:50 amSFO San Francisco-MDW Chicago Midway
4h 10mnonstop
$336Southwest
Sun, Sep 6 - Tue, Jul 20
7:06 am - 7:26 pmORD Chicago O'Hare Intl-SFO San Francisco
14h 20m1 stop Atlanta Hartsfield-Jackson
12:02 pm - 11:37 pmSFO San Francisco-ORD Chicago O'Hare Intl
9h 35m1 stop Portland
$368Multiple Airlines
Thu, Sep 10 - Sun, Sep 13
2:18 pm - 9:42 pmORD Chicago O'Hare Intl-SFO San Francisco
9h 24m1 stop San Diego
10:05 pm - 9:20 amSFO San Francisco-ORD Chicago O'Hare Intl
9h 15m1 stop Atlanta Hartsfield-Jackson
$388Multiple Airlines
Recent direct flight deals from Chicago to San Francisco
Tue, Sep 22 - Wed, Sep 23
7:15 pm - 9:55 pmMDW Chicago Midway-SFO San Francisco
4h 40mnonstop
11:40 pm - 5:50 amSFO San Francisco-MDW Chicago Midway
4h 10mnonstop
$257Southwest
Thu, Sep 24 - Wed, Sep 30
9:10 pm - 11:50 pmMDW Chicago Midway-SFO San Francisco
4h 40mnonstop
11:40 pm - 5:50 amSFO San Francisco-MDW Chicago Midway
4h 10mnonstop
$257Southwest
Sat, Oct 24 - Sat, Nov 7
5:59 am - 8:40 amORD Chicago O'Hare Intl-SFO San Francisco
4h 41mnonstop
5:00 am - 11:24 amSFO San Francisco-ORD Chicago O'Hare Intl
4h 24mnonstop
$257United Airlines
Mon, Oct 5 - Wed, Oct 7
9:40 pm - 12:30 amORD Chicago O'Hare Intl-SFO San Francisco
4h 50mnonstop
6:10 am - 12:45 pmSFO San Francisco-ORD Chicago O'Hare Intl
4h 35mnonstop
$257United Airlines
Mon, Oct 5 - Fri, Oct 9
3:15 pm - 6:15 pmORD Chicago O'Hare Intl-SFO San Francisco
5h 00mnonstop
5:27 pm - 11:55 pmSFO San Francisco-ORD Chicago O'Hare Intl
4h 28mnonstop
$257American Airlines
Tue, Oct 13 - Thu, Oct 29
9:31 pm - 12:30 amORD Chicago O'Hare Intl-SFO San Francisco
4h 59mnonstop
7:10 am - 1:44 pmSFO San Francisco-ORD Chicago O'Hare Intl
4h 34mnonstop
$257American Airlines
Tue, Oct 6 - Tue, Oct 6
10:30 am - 1:28 pmORD Chicago O'Hare Intl-SFO San Francisco
4h 58mnonstop
11:36 pm - 5:59 amSFO San Francisco-ORD Chicago O'Hare Intl
4h 23mnonstop
$257American Airlines
Mon, Oct 26 - Thu, Oct 29
9:31 pm - 12:30 amORD Chicago O'Hare Intl-SFO San Francisco
4h 59mnonstop
10:33 am - 5:10 pmSFO San Francisco-ORD Chicago O'Hare Intl
4h 37mnonstop
$257American Airlines
Tue, Sep 29 - Sat, Oct 3
7:15 pm - 9:55 pmMDW Chicago Midway-SFO San Francisco
4h 40mnonstop
11:40 pm - 5:50 amSFO San Francisco-MDW Chicago Midway
4h 10mnonstop
$257Southwest
Mon, Oct 19 - Wed, Oct 21
9:25 pm - 12:10 amMDW Chicago Midway-SFO San Francisco
4h 45mnonstop
11:40 pm - 5:50 amSFO San Francisco-MDW Chicago Midway
4h 10mnonstop
$257Southwest
Booking Insights
Price, demand and travel trends for Chicago to San Francisco flights
Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Chicago to San Francisco with more confidence.
Prices
Airlines
Delays
Layovers
More
How much is a round-trip flight from Chicago to San Francisco?
This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Chicago to San Francisco departing in september.
Round-trip flights from Chicago to San Francisco start at $242. Prices are below average for this route right now, with typical round-trip fares ranging from $302 to $499. The lowest price found in the past 5 days was $242 on Frontier.
What is the cheapest Chicago to San Francisco flight route?
KAYAK tracks online flight deals over the last 12 months and analyzes pricing trends to identify the best available fares.
There's little price difference between Chicago to San Francisco routes. They average around $379 round-trip, based on KAYAK data over the past 12 months.
What's the cheapest day of the week to fly from Chicago to San Francisco?
Wednesday is the cheapest day of the week to fly from Chicago to San Francisco, it is 9% cheaper than the average day. Monday is the most expensive day with flight prices 34% higher than average. Based on deals found by KAYAK users in the last 12 months.
What is the cheapest month to fly from Chicago to San Francisco?
KAYAK internal proprietary data takes all prices for each month over the last 12 months for round-trip flights from Chicago to San Francisco, removes the top 0.1% to account for outliers and then takes the median of all values for each month.
September is the cheapest month to fly from Chicago to San Francisco at $325 round-trip.
June ($440) and November ($416) are the most expensive months.
The price difference between flying in the cheapest and most expensive months is 35% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.
When are prices from Chicago to San Francisco the cheapest?
Flights from Chicago to San Francisco are cheapest 6 weeks before departure. Booking in this window typically costs about 45% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.
What is the cheapest airline to fly from Chicago to San Francisco?
Frontier ($242) and Alaska Airlines ($248) are the cheapest airlines to fly round-trip from Chicago to San Francisco according to KAYAK data over the last 5 days.
Which airline offers the most nonstop flights between Chicago and San Francisco?
United Airlines and American Airlines offer the most frequent nonstop flights from Chicago to San Francisco, at 88 and 55 flights per week respectively. Southwest is another good option, operating 14 flights per week. Based on KAYAK flight data over the last 3 months.
How often are flights from Chicago to San Francisco delayed?
Over the last 12 months Chicago to San Francisco flights were delayed in 26% of cases. Delayed flights averaged 160 minutes behind schedule.
What is the most punctual time of day to fly from Chicago to San Francisco?
Morning flights have the fewest delays. Evening departures experience delays most often. Based on KAYAK data over the past 3 months.
Which day of the week has the fewest delays on Chicago to San Francisco flights?
Tuesday has the fewest flight delays on the Chicago to San Francisco route, at only 20% of flights delayed.
Sunday has the most delays at 30%. Based on KAYAK data over the past 3 months.
Which airline is the most punctual on Chicago to San Francisco flights?
United Airlines is the most punctual airline on Chicago to San Francisco flights, KAYAK's system tracked that 78% of flights were on time in the past 3 months.
What is the most popular layover airport when flying from Chicago to San Francisco?
KAYAK data for 1-stop round-trips over the past 3 months. Only counts itineraries with the same layover on both legs.
San Diego (SAN) is the most popular layover for the Chicago to San Francisco route. 23% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via SAN.
What is the cheapest layover airport when flying from Chicago to San Francisco?
Flights via Denver Intl (DEN) offer the most affordable fares, with an average round-trip price of $260. Based on KAYAK data over the past 3 months.
Which route, including a layover, takes the shortest amount of time from Chicago to San Francisco?
Salt Lake City (SLC) offers the shortest 1-stop connection from Chicago to San Francisco at 6h 24m one-way, 1h 32m longer than the 4h 52m direct flight. Based on KAYAK data over the past 3 months.
When flying from Chicago to San Francisco which airport offers the shortest layover?
Salt Lake City (SLC) had the shortest average connection time for Chicago to San Francisco layovers at 220 minutes over the past 3 months.
How many nonstop flights run daily between Chicago and San Francisco?
There are 21 to 22 flights per day from Chicago to San Francisco, about 152 flights per week. Monday has the most departures, with 14% of weekly flights.
What time of day do most flights depart from Chicago to San Francisco?
Based on KAYAK flight schedules for the upcoming 3 months.
Most nonstop flights from Chicago to San Francisco depart in the morning, accounting for 37% of nonstop departures. Around 8 flights are scheduled in that window over the next three months.
Expert advice for your flight from Chicago to San Francisco
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek
Expert on United Airlines and ORD
Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.
Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.
Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.
Best time to beat the crowds with an average 15% drop in price.
Most popular time to fly with an average 15% increase in price.
Flight from Chicago Midway Airport to San Francisco
When to book flights from Chicago to San Francisco
Are your dates flexible? Find out the best times to travel from Chicago to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.
Your Chicago to San Francisco flight questions, answered
Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.
Can I fly from Chicago to San Francisco non-stop?
Yes, you can. Flights from Chicago to San Francisco are quite popular and, as such, there are a great number of non-stop flights between the two cities every week. The flight is also not overly long, as it usually takes a little less than 5 hours.
How do I get from downtown Chicago to O’Hare International Airport?
To get to O’Hare International Airport from downtown Chicago you can use the Amtrak connections available (Blue Line) or the bus (there are a great number of lines serving the airport). Alternatively you can take one of the shuttle buses operated by many hotels in the area, or else just hail a cab.
Are there on-site hotels at Chicago Midway Airport?
While there are no hotels located inside Chicago Midway Airport, there are a number of them located just outside, many of which include shuttle services to and from the airport in addition to comfortable rooms and a tasty breakfast spread. These include the Chicago Marriott Midway Hotel, the Courtyard Chicago Midway Airport Hotel, and the Fairfield Inn & Suites Chicago Midway Airport Hotel.
What is there to do in O’Hare International Airport?
If your flight to San Francisco is running late, take a chance to relax and stretch at the airport’s yoga room or work up a sweat at the Hilton Athletic Club, open even to non-guests for a small fee. You can also spend the time pampering yourself at the spa, getting a haircut at the barber shop, or enjoying some local art featured in the many displays scattered throughout the airport.
What is the best way to get out of San Francisco International Airport?
For individuals connecting from SFO to various locations within the Bay Area, including downtown San Francisco, BART trains are the convenient means of transportation. From the airport, it takes around 30 minutes to get to Downtown San Francisco.
How can I catch up with the earliest flight from Chicago to San Francisco?
Spend the night at Hampton Inn & Suites Rosemont Chicago O'Hare for increased convenience if you want to make the first flight out of Chicago to San Francisco. You can connect to the airport using the free airport shuttles from the hotel.
Which airlines should I book when flying from Chicago to San Francisco with kids?
Extra legroom and spacious seats are some of the exciting onboard amenities available on American Airlines and United Airlines, which ensure that you and your child(ren) will be more comfortable for the entire flight. Additionally, American Airlines gives parents of young children priority boarding.
How convenient is it to land at San Francisco International Airport late at night?
You can spend the rest of the night in one of the nap rooms at Terminals 2 or 3 of the airport if your flight from ORD or MDW lands at SFO late at night. You can also choose to connect to a hotel close by, such as the San Francisco Airport Marriott Waterfront. It is easier for you to connect to the airport through the hotel's free 24-hour airport shuttle service.
Which nearby cities can I get to from San Francisco Airport (SFO)?
SFO serves a number of cities in Northern California in addition to acting as the international gateway to San Francisco. From SFO, you can travel to places like Mountain View, San Jose, Santa Clara, and Palo Alto, among others. A more convenient way to get from SFO to these cities is by renting a car.
How can I access rental cars upon landing at San Francisco International Airport?
A rental car center with several rental car companies, including Enterprise, Avis, Budget, and Dollar, on Level 4, inside the airport. As a result, renting a car at SFO after landing is a simple process.
Which airlines offer extra legroom and free seat selection on Chicago to San Francisco flights?
Among airlines operating Chicago to San Francisco flights:
• United Airlines: offers extra legroom; offers free seat selection • American Airlines: offers extra legroom; offers free seat selection • Southwest: offers free seat selection
Extra legroom and free seat selection availability depends on fare class and route.
What airlines are available from Chicago to San Francisco?
3 airlines operate flights between Chicago and San Francisco. The airlines offering nonstop flights on this route include:
• United Airlines • American Airlines • Southwest
Which airports can I use when flying from Chicago to San Francisco?
Flights from Chicago to San Francisco may depart from several airports in Chicago area, including Chicago Midway (MDW), Chicago O'Hare Intl (ORD) and Chicago Greater Rockford (RFD). Flights usually arrive at San Francisco (SFO).
Which airlines include bags at no extra cost on Chicago to San Francisco flights?
Here are some options for this route, based on selected ticket types and cabin classes:
• United Airlines: a cabin bag and a checked bag in Economy Class • American Airlines: a cabin bag and a checked bag in Economy Class • Southwest: a cabin bag and a checked bag in Economy Class
Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.
What cabin classes can I book on flights from Chicago to San Francisco?
Four cabin classes are available on flights from Chicago to San Francisco:
• Economy Class • Premium Economy Class • Business Class • First Class
Prices vary by airline.
How much can I save by taking a layover when flying from Chicago to San Francisco?
On this route, layover flights are cheaper than nonstop options on average. Layover fares average $260 round-trip via Denver Intl (DEN), compared to $387 for nonstop.
What is the standard checked-bag allowance on flights from Chicago to San Francisco?
There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.
Which airports do connecting flights from Chicago to San Francisco pass through?
One-stop flights from Chicago to San Francisco most commonly connect through:
• San Diego (SAN) - 23% of one-stop connections • Denver Intl (DEN) - 21% of one-stop connections • Atlanta Hartsfield-Jackson (ATL) - 16% of one-stop connections • Las Vegas Harry Reid Intl (LAS) - 10% of one-stop connections
San Diego (SAN) handles the largest share of one-stop connections on this route.
Can I save money by using flexible dates for flights from Chicago to San Francisco?
Yes. Being flexible with your travel dates can save you up to 32% on the Chicago to San Francisco route. Wednesday is the cheapest departure day at $350 round-trip on average, while Monday is the most expensive at $514, a difference of $164. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
At what point is a flight considered delayed from Chicago to San Francisco?
A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Chicago to San Francisco route, 26% of flights were delayed in the past 3 months, with delays averaging 2 hours 40 minutes.
How are flight departures from Chicago to San Francisco spread across the day?
Morning is the busiest departure period on Chicago to San Francisco flights, with 37% of flights leaving in that window. Afternoon departures account for 32%, evening flights for 18%, and night flights for 13%.
What popular places can I visit in San Francisco?
Some of the most popular sights in San Francisco are Fisherman's Wharf, Union Square and Moscone Center. These are among the most viewed places in San Francisco on KAYAK.
What are the earliest and latest flights from Chicago to San Francisco?
These are the earliest and latest flight times available from Chicago to San Francisco:
• Earliest: departs at 5:00 am and lands at 9:52 am • Latest: departs at 11:00 pm and lands at 3:52 am.
The flight takes about 4h 52m.
How expensive are last-minute Chicago to San Francisco flights?
Last-minute fares on this route - booked within 2 weeks of departure - run 56% above the route average of $383. Book 6 weeks before departure for the lowest fares.
How long is a flight from Chicago to San Francisco?
A nonstop flight from Chicago to San Francisco takes 4h 52m, covering 1,855 miles.
Do I need a passport to fly from Chicago to San Francisco?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.
Have flight prices from Chicago to San Francisco changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $242 to $2,257. That means the highest observed fare was about 9x higher than the lowest one.
How are flight prices from Chicago to San Francisco looking right now?
One-way fares from Chicago to San Francisco are currently lower than usual. Average one-way flight prices are about $129, which is 50% below the typical average for this route.
How does United Airlines’s on-time performance compare to other airlines on Chicago to San Francisco flights?
United Airlines is slightly above the route average for timely arrivals, while American Airlines has a lower on-time arrival rate. On-time arrival rates on Chicago to San Francisco flights are:
• United Airlines: 78% on time • American Airlines: 69% on time • Alaska Airlines: 63% on time
Overall, flights on this route are on time 74% of the time on average.
How do delay rates compare for morning and evening flights from Chicago to San Francisco?
Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.
How much time can I save by choosing a different layover airport from Chicago to San Francisco?
Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 6h 24m, compared with 7h 00m via Portland (PDX) and 7h 12m via Detroit Metropolitan Wayne County (DTW).
What is the time difference between Chicago and San Francisco?
San Francisco is 2 hours behind Chicago (Pacific Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at San Francisco Airport (SFO)?
San Francisco Airport (SFO) hosts 5 major car rental companies, with daily rates starting from around $15 for economy cars. Top options include: · Thrifty · Europcar · Dollar · Hertz · Fox
How much should I expect to pay for a Chicago to San Francisco flight?
Round-trip flights from Chicago to San Francisco range from $302 to $499, with an average of $383 over the past 12 months. Anything below $302 counts as a good deal.
Which airlines offer Wi-Fi on Chicago to San Francisco flights?
Two airlines offer in-flight Wi-Fi on Chicago to San Francisco flights:
• American Airlines
• JetBlue
Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.
Your guide to booking Chicago to San Francisco flights
Get tips on when to book, when to fly and what to know before your trip.
If your dates can be flexible, aim for a Wednesday departure instead of Monday. On this route, Wednesday flights average $350 - about $164 less than Monday (32% savings) based on the last 12 months.
For the best chance at a low fare, aim to book around 6 weeks before you fly. On this route, that window historically saves about 45% versus last-minute pricing (KAYAK booking data, last 12 months).
If you can choose when to travel, plan your Chicago to San Francisco trip for September. Fares historically average $325 round-trip in that month - typically $115 less than the most expensive month, which is June (based on the last 12 months).
If arriving on time is high on your priority list, United Airlines is the strongest pick on this route. 78% of United Airlines flights from Chicago to San Francisco arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 74%. When flights on this route do arrive late, the average delay is 2 hours 40 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
If you have the time, taking a 1-stop flight through Denver Intl Airport (DEN) can be cheaper than flying direct. The cheapest layover option averages $260 round-trip on this route - about $128 less than direct flights (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to San Francisco Airport. - Grand Hyatt At Sfo
Flights from Chicago to San Francisco usually depart either from Chicago O’Hare International Airport or from Chicago Midway Airport. Although the former is larger and more popular than the latter, it is also furthest away from downtown Chicago, located as it is just 17.5 miles northwest of the city. Though less often used, Chicago Midway Airport is only 10.8 miles south of the city center.
If you are flying from Chicago O’Hare International Airport and you are traveling with children, head to Terminal 2, where you can find the children’s play area. Fun and colorful, Kids On The Fly is an aviation-themed playground that has been voted “Most Awesome Airport Play Area”.
If San Francisco is just one leg of your trip and you are worried about what to do on your stopover there, don’t! San Francisco International Airport is simply full of things to do: hit the shops for some retail therapy, enjoy the local cuisine at the dozens of cafés scattered throughout the airport, or learn something new at the Aviation Museum or at the various exhibits on art & culture, history, and science organized in the various terminals.
If your flight from Chicago to San Francisco has arrived late and you don’t want to travel into the city at night, why not sleep at the airport? Located inside the International Terminal, FreshenUp offers travelers a small number of basic yet comfortable ensuite rooms; alternatively, if you don’t find place there, there are a number of hotels located just minutes from the airport, many of them offering shuttle services to their guests.
Once you get to San Francisco Airport, to get downtown you can use the city’s rich transportation network, which includes a number of bus lines and Amtrak connections running between the airport and various important locations within the city multiple times a day.
Either Chicago O'Hare International Airport (ORD) or Chicago Midway International Airport (MDW) are the departure points for flights from Chicago to San Francisco. The advantage of leaving from ORD is that you have access to a large number of airlines and can book a ticket depending on your schedule at various times of the day. There are more daily flights from ORD than from MDW to San Francisco. However, leaving MDW allows you to take advantage of shorter queues at various security checkpoints.
Buses provide a convenient and affordable way of getting to O'Hare International Airport (ORD) from downtown Chicago. Blue Line Buses avail nonstop connections between the airport terminals from downtown. Taxis are the alternative means of transport, particularly suitable for those rushing against time.
Most flights from Chicago arrive at San Francisco International Airport (SFO), which serves as their primary destination. However, San Jose Mineta International Airport (SJE) and Oakland International Airport (OAK) also receive a sizable amount of flights. Having more transportation alternatives makes it simpler to get from SFO to the city center of San Francisco. There are fewer lines at the baggage claim areas for passengers arriving at OAK or SJE.
Prefer to fly direct from Chicago to San Francisco?
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Chicago to San Francisco.
Find which airlines fly direct from Chicago to San Francisco Airport, which days they fly and book direct flights.
Direct departures
Chicago to San Francisco
Monday
American Airlines,Southwest,United Airlines
American Airlines,Southwest, +1 more
Tuesday
American Airlines,Southwest,United Airlines
American Airlines,Southwest, +1 more
Wednesday
American Airlines,Southwest,United Airlines
American Airlines,Southwest, +1 more
Thursday
American Airlines,Southwest,United Airlines
American Airlines,Southwest, +1 more
Friday
American Airlines,Southwest,United Airlines
American Airlines,Southwest, +1 more
Saturday
American Airlines,Southwest,United Airlines
American Airlines,Southwest, +1 more
Sunday
American Airlines,Southwest,United Airlines
American Airlines,Southwest, +1 more
See more direct flights
Direct returns
San Francisco to Chicago
Monday
American Airlines,Southwest,United Airlines
American Airlines,Southwest, +1 more
Tuesday
American Airlines,Southwest,United Airlines
American Airlines,Southwest, +1 more
Wednesday
American Airlines,Southwest,United Airlines
American Airlines,Southwest, +1 more
Thursday
American Airlines,Southwest,United Airlines
American Airlines,Southwest, +1 more
Friday
American Airlines,Southwest,United Airlines
American Airlines,Southwest, +1 more
Saturday
American Airlines,Southwest,United Airlines
American Airlines,Southwest, +1 more
Sunday
American Airlines,Southwest,United Airlines
American Airlines,Southwest, +1 more
See more direct flights
More options for your flight from Chicago to San Francisco
Add a hotel or car rental
Airports
Cabin class
Direct Flights
Origins
Other destinations
Return flight
Complete your trip to San Francisco with a hotel stay or car rental
Cabin class types available on flights from Chicago to San Francisco
Cabin classes available on flights from Chicago to San Francisco. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
This site uses cookies and other tracking technologies for essential, functional, analytical, and advertising purposes. By using the site, you agree to our Terms & Conditions and our Privacy Policy.
For more information about how we process your information, please see our Privacy Policy.
We value your privacy
KAYAK and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyze navigation, to offer and measure personalized advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.