SFO - ORD

$129 Find Cheap Flights from San Francisco to Chicago O'Hare Airport - 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 San Francisco to O'Hare Intl departing on 9/6. 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.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$268
Typical prices: $317-$585
Frontier
Mon 10/12Mon 10/19
SFO - ORD • 1 stop
Cheapest non-stop
$272
Typical prices: $378-$627
United Airlines
Wed 11/18Fri 11/27
SFO - ORD • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
American Main Cabin Extra adds early boarding; United Premier Access speeds check-in.
United offers free messaging Wi-Fi; Alaska's baggage guarantee speeds bag claim.
Expert advice
Expert advice
Expert advice
Expert advice
Nonstop flights
You can fly direct with American Airlines and United Airlines. Average duration is 4h 30m
Direct flights
Direct flights
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Direct flights
Direct flights
+1
Avoid delays
Most punctual • 90% on-time
Best time • Fewest delays
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $262 (round-trip)
Shortest trip • 6h 11m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 42% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 19% price drop
Most popular
Good to know
Good to know
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Good to know
Good to know
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We hope you love your trip to O'Hare Intl!
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Flight Deals

Cheap Flights from San Francisco to O'Hare Intl (SFO-ORD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Francisco to O'Hare Intl 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.

Recent round-trip flight deals from San Francisco to O'Hare Intl

Mon, Oct 12 - Mon, Oct 19
Frontier Logo
7:25 pm - 6:34 amSFO  San Francisco-ORD Chicago O'Hare Intl
9h 09m1 stop Los Angeles
Frontier Logo
4:20 pm - 8:13 amORD  Chicago O'Hare Intl-SFO San Francisco
17h 53m2 stops Phoenix Sky Harbor Intl Las Vegas Harry Reid Intl
$268Frontier
Mon, Sep 7 - Fri, Sep 11
Frontier Logo
6:00 am - 1:36 pmSFO  San Francisco-ORD Chicago O'Hare Intl
29h 36m1 stop Denver Intl
Frontier Logo
8:55 pm - 8:14 amORD  Chicago O'Hare Intl-SFO San Francisco
13h 19m1 stop Las Vegas Harry Reid Intl
$268Frontier
Tue, Sep 1 - Fri, Sep 4
Delta Logo
9:41 am - 6:19 pmSFO  San Francisco-ORD Chicago O'Hare Intl
6h 38m1 stop Salt Lake City
Delta Logo
8:48 am - 2:27 pmORD  Chicago O'Hare Intl-SFO San Francisco
7h 39m1 stop Detroit Metropolitan Wayne County
$270Delta
Sat, Oct 17 - Fri, Oct 23
Delta Logo
9:54 am - 9:02 pmSFO  San Francisco-ORD Chicago O'Hare Intl
9h 08m1 stop Los Angeles
Delta Logo
2:45 pm - 7:46 pmORD  Chicago O'Hare Intl-SFO San Francisco
7h 01m1 stop Los Angeles
$270Delta
Fri, Sep 4 - Sat, Sep 12
Multiple Airlines Logo
8:25 am - 7:21 pmSFO  San Francisco-ORD Chicago O'Hare Intl
8h 56m1 stop San Diego
Multiple Airlines Logo
6:30 am - 10:47 amORD  Chicago O'Hare Intl-SFO San Francisco
6h 17m1 stop Denver Intl
$271Multiple Airlines
Tue, Sep 15 - Fri, Sep 18
Multiple Airlines Logo
5:16 pm - 1:22 pmSFO  San Francisco-ORD Chicago O'Hare Intl
18h 06m1 stop San Diego
Multiple Airlines Logo
1:01 pm - 10:28 pmORD  Chicago O'Hare Intl-SFO San Francisco
11h 27m1 stop Dallas/Fort Worth
$271Multiple Airlines
Wed, Nov 18 - Fri, Nov 27
United Airlines Logo
11:30 pm - 5:47 amSFO  San Francisco-ORD Chicago O'Hare Intl
4h 17mnonstop
United Airlines Logo
9:00 pm - 11:51 pmORD  Chicago O'Hare Intl-SFO San Francisco
4h 51mnonstop
$272United Airlines
Mon, Aug 31 - Wed, Sep 2
American Airlines Logo
2:48 pm - 9:35 pmSFO  San Francisco-ORD Chicago O'Hare Intl
4h 47mnonstop
American Airlines Logo
5:00 am - 12:49 pmORD  Chicago O'Hare Intl-SFO San Francisco
9h 49m1 stop Phoenix Sky Harbor Intl
$272American Airlines
Mon, Aug 31 - Sat, Sep 5
American Airlines Logo
5:07 pm - 11:30 pmSFO  San Francisco-ORD Chicago O'Hare Intl
4h 23mnonstop
American Airlines Logo
5:00 am - 12:49 pmORD  Chicago O'Hare Intl-SFO San Francisco
9h 49m1 stop Phoenix Sky Harbor Intl
$272American Airlines
Tue, Oct 6 - Tue, Oct 13
United Airlines Logo
12:35 am - 6:56 amSFO  San Francisco-ORD Chicago O'Hare Intl
4h 21mnonstop
United Airlines Logo
9:40 pm - 12:30 amORD  Chicago O'Hare Intl-SFO San Francisco
4h 50mnonstop
$275United Airlines
Booking Insights

KAYAK's insights & trends for San Francisco to O'Hare Intl flights

Get data-powered insights and trends into flights from San Francisco to O'Hare Intl to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from San Francisco to Chicago O'Hare Intl Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from San Francisco to Chicago O'Hare Intl Airport departing in September.

Flight prices are below average for this route right now.

Flights to Chicago O'Hare Intl Airport from San Francisco usually cost between $315 and $525 in September.
The lowest price found in the past 5 days was $269 on Frontier (Sep 5-Sep 11).

What’s the cheapest day of the week to fly from San Francisco to Chicago O'Hare Airport?

The average price of all round-trip flights from San Francisco to Chicago O'Hare Intl Airport clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Chicago O'Hare Airport on a Wednesday and more expensive on a Sunday. On your return trip to San Francisco, you should consider flying back on a Thursday, and avoid Sundays for better deals.

What is the cheapest month to fly from San Francisco to Chicago O'Hare Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Francisco to Chicago O'Hare Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Francisco to Chicago O'Hare Intl Airport is September, where tickets cost $346 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $508 and $483 respectively.

Can I save money by flying with a layover from San Francisco to Chicago O'Hare Intl Airport?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $437 on average.

How far in advance should I book a flight from San Francisco to Chicago O'Hare Intl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Francisco to Chicago O'Hare Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from San Francisco to Chicago O'Hare Intl Airport, you should book around 4 weeks before departure, which saves you about 42% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

Expert advice

Expert advice for your flight from San Francisco to O'Hare Intl

 
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

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 Baskas

Harriet Baskas

Expert on American Airlines and Alaska Airlines

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

Blane Bachelor

Expert on SFO

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.

Good to know

Low season

February

Cheapest flight

$129
Best time to beat the crowds with an average 8% drop in price.
Most popular time to fly with an average 13% increase in price.
Flight from San Francisco to Chicago O'Hare Airport

When to book flights from San Francisco to O'Hare Intl

Are your dates flexible? Find out the best times to travel from San Francisco to O'Hare Intl 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.

FAQs for booking San Francisco to Chicago O'Hare Airport flights

  • Where can I get emergency housing or transportation assistance at ORD?

    If you need transportation assistance or emergency housing, you should head to one of the airport’s Traveler’s Aid offices. Traveler’s Aid is a non-profit organization that assists passengers to organize last-minute housing and transportation. This organization has offices in Terminals 1, 2, 3, and 5, with the main office being in Terminal 2, next to the children’s museum.

  • Does SFO have a children’s play area?

    In case you’re traveling with older children to Chicago, you can let them have fun in one of the play areas found at SFO. These play areas, available near Gate 22 in Terminal 1, Gate 54A in Terminal 2, and close to Gates 87A and 62 in Terminal 3, feature various toys and soft playgrounds.

  • Is there any other Chicago airport I can fly into apart from ORD?

    Apart from ORD, the other Chicago airport you can fly into from SFO is Chicago Midway International Airport (MDW). When booking your flight to Chicago, it’s in your best interest to book one that lands at MDW, as MDW has shorter queues and lesser passenger crowds than ORD.

  • Is it possible to shower at ORD?

    If you want to shower before leaving ORD, you can do so at the airport’s Hilton Athletic Club. To enter this club, between Terminal 2 and the parking garage, you’ll have to purchase a day pass.

  • What is the cheapest flight from San Francisco to Chicago O'Hare Intl Airport?

    In the last 5 days, the lowest price for a flight from San Francisco to Chicago O'Hare Intl Airport was $129 for a one-way ticket and $269 for a round-trip.

  • Do I need a passport to fly between San Francisco and Chicago O'Hare Airport?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which airports will I be using when flying from San Francisco to Chicago O'Hare Airport?

    On your way to Chicago O'Hare Airport, you’ll fly out from San Francisco. You’ll be landing at Chicago O'Hare Intl.

  • Which airlines offer Wi-Fi service onboard planes from San Francisco to Chicago O'Hare Airport?

    All the following airlines offer inflight Wi-Fi service on the San Francisco to Chicago O'Hare Airport flight route: American Airlines, JetBlue, Delta, Alaska Airlines, United Airlines, Air Canada, and Hawaiian Airlines.

  • Which aircraft models fly most regularly from San Francisco to Chicago O'Hare Airport?

    The Boeing 757-300 is the aircraft model that flies most regularly on the San Francisco to Chicago O'Hare Airport flight route.

  • Which airline alliances offer flights from San Francisco to Chicago O'Hare Airport?

    SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between San Francisco and Chicago O'Hare Airport, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from San Francisco to Chicago O'Hare Airport?

    There are nonstop flights from San Francisco to Chicago O'Hare Airport on a daily basis.

  • Which is the best airline for flights from San Francisco to Chicago, Alaska Airlines or Delta?

    The two airlines most popular with KAYAK users for flights from San Francisco to Chicago are Alaska Airlines and Delta. With an average price for the route of $382 and an overall rating of 7.9, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $352 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from San Francisco to Chicago O'Hare Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Francisco to Chicago O'Hare Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco to Chicago O'Hare Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago O'Hare Airport from San Francisco is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Francisco to Chicago O'Hare Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago O'Hare Airport with an airline and back to San Francisco with another airline. Booking your flights between San Francisco and ORD can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco to Chicago O'Hare Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago O'Hare Airport from San Francisco up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from San Francisco to Chicago O'Hare Intl Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $213 or less one-way and $368 or less round-trip.
  • When set to fly from San Francisco International Airport (SFO) to Chicago O’Hare International Airport (ORD), you should get to SFO at least 2h before your flight. If you get to this airport as early as advised, you’ll be able to go through its tedious security checkpoints in time for your flight. You’ll also get the opportunity to check out the airport’s point of interest.
  • SFO has several TSA Care officials mandated with caring for disabled passengers as well as those with medical conditions. If you’re disabled or have limited mobility, you can receive assisted services at SFO from these officials; provided you contact and inform the airport’s TSA Care office of the services you will need at least 72h ahead of your flight.
  • If you’re traveling to Chicago with an infant, you can easily breastfeed him/her while waiting for your flight at SFO, as this airport features numerous nursing rooms. These nursing rooms, located on the Airside of every terminal as well as the Landside of Terminal 2, feature comfortable seats, deep sinks, and power outlets.
  • In case your phone is nearly running out of charge, you can charge it for free before leaving ORD, as this outstanding airport features several power stations. These stations are near Gates B4, B14, C15, C21, and C28 in Terminal 1, Gate F2 in Terminal 2, Gates K12, and L10 in Terminal 3, and Gates M5 and M7 Terminal 5.
  • If you have an inquiry at ORD, you can get the answer you need at any of the airport’s information desks. These desks are Gate F1D in Terminal 2, a short distance to Gate B7 and C18 in Terminal 1, and Gate K2 in Terminal 3. Terminal 5, they are situated on the upper and lower levels.

Prefer to fly direct from San Francisco to Chicago O'Hare Airport?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from San Francisco to Chicago O'Hare Intl.
Find which airlines fly direct from San Francisco Airport to Chicago O'Hare Intl Airport, which days they fly and book direct flights.

Direct departures

San Francisco to Chicago O'Hare Intl

Monday

American Airlines,United Airlines

American Airlines,United Airlines

Tuesday

American Airlines,United Airlines

American Airlines,United Airlines

Wednesday

American Airlines,United Airlines

American Airlines,United Airlines

Thursday

American Airlines,United Airlines

American Airlines,United Airlines

Friday

American Airlines,United Airlines

American Airlines,United Airlines

Saturday

American Airlines,United Airlines

American Airlines,United Airlines

Sunday

American Airlines,United Airlines

American Airlines,United Airlines

See more direct flights

Direct returns

Chicago O'Hare Intl to San Francisco

Monday

American Airlines,United Airlines

American Airlines,United Airlines

Tuesday

American Airlines,United Airlines

American Airlines,United Airlines

Wednesday

American Airlines,United Airlines

American Airlines,United Airlines

Thursday

American Airlines,United Airlines

American Airlines,United Airlines

Friday

American Airlines,United Airlines

American Airlines,United Airlines

Saturday

American Airlines,United Airlines

American Airlines,United Airlines

Sunday

American Airlines,United Airlines

American Airlines,United Airlines

See more direct flights

Everything you need to know for your flight from San Francisco to O'Hare Intl

Information on your arrival and departure airports