$126 Find Cheap Flights from San Francisco to Chicago O'Hare Airport - Compare and Save

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.

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.

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.

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.

Among airlines operating San Francisco to Chicago O'Hare Intl Airport flights:

• United Airlines: offers extra legroom; offers free seat selection
• American Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

2 airlines operate flights between San Francisco and Chicago O'Hare Intl Airport. The airlines offering nonstop flights on this route include:
• United Airlines
• American Airlines

Flights from San Francisco to Chicago O'Hare Intl Airport usually depart from San Francisco (SFO) and arrive at Chicago O'Hare Intl (ORD).

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
• JetBlue: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Four cabin classes are available on flights from San Francisco to Chicago O'Hare Intl Airport:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $275 round-trip via Denver Intl (DEN), compared to $420 for nonstop.

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.

The Boeing 757-300 family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Boeing 737-800 variants.

One-stop flights from San Francisco to Chicago O'Hare Intl Airport most commonly connect through:

• Denver Intl (DEN) - 30% of one-stop connections
• San Diego (SAN) - 25% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 14% of one-stop connections
• Los Angeles (LAX) - 8% of one-stop connections

Denver Intl (DEN) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 22% on the San Francisco to Chicago O'Hare Intl Airport route. Wednesday is the cheapest departure day at $374 round-trip on average, while Sunday is the most expensive at $478, a difference of $104. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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 San Francisco to Chicago O'Hare Intl Airport route, 10% of flights were delayed in the past 3 months, with delays averaging 2 hours 42 minutes.

Morning is the busiest departure period on San Francisco to Chicago O'Hare Intl Airport flights, with 45% of flights leaving in that window. Evening departures account for 25%, night flights for 20%, and afternoon flights for 10%.

Some of the most popular sights in Chicago O'Hare Intl Airport are Magnificent Mile, Grant Park and River North. These are among the most viewed places in Chicago O'Hare Intl Airport on KAYAK.

A nonstop flight from San Francisco to Chicago O'Hare Intl Airport takes 4h 29m, covering 1,841 miles.

These are the earliest and latest flight times available from San Francisco to Chicago O'Hare Intl Airport:

• Earliest: departs at 12:35 am and lands at 5:04 am
• Latest: departs at 11:39 pm and lands at 4:08 am.

The flight takes about 4h 29m.

Last-minute fares on this route - booked within 2 weeks of departure - run 42% above the route average of $412. Book 6 weeks before departure for the lowest fares.

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.

One-way fares from San Francisco to Chicago O'Hare Intl Airport are currently lower than usual. Average one-way flight prices are about $131, which is 48% below the typical average for this route.

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 San Francisco to Chicago O'Hare Intl Airport flights are:

• United Airlines: 91% on time
• American Airlines: 89% on time
• Alaska Airlines: 73% on time

Overall, flights on this route are on time 90% of the time on average.

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.

Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 6h 31m, compared with 6h 56m via Chicago O'Hare Intl (ORD) and 7h 00m via Portland (PDX).

Chicago O'Hare Intl Airport is 2 hours ahead of San Francisco (Central Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Chicago O'Hare Intl Airport (ORD) hosts 5 major car rental companies, with daily rates starting from around $17 for economy cars. Top options include:
· Routes Car & Truck Rentals
· Europcar
· Hertz
· Dollar
· Ace

Round-trip flights from San Francisco to Chicago O'Hare Intl Airport range from $324 to $536, with an average of $412 over the past 12 months. Anything below $324 counts as a good deal.

Two airlines offer in-flight Wi-Fi on San Francisco to Chicago O'Hare Intl Airport flights:

• • American Airlines
• • JetBlue