SFO - ORD

$197 Find Cheap Flights from San Francisco to Chicago – Compare and Save

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Everything you should know

Cheapest return flight
$361
Typical prices: $448-$743
Alaska Airlines
Sun 11/11Sun 18/11
SFO - ORD • 1 stop
Cheapest direct flights
$464
Typical prices: $457-$751
United Airlines
Sat 27/10Fri 2/11
SFO - ORD • Direct
Direct flights
You can fly direct with United Airlines and American Airlines. Average duration is 4h 28m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 91% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 6 weeks in advance save around 40% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 16% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg $367 (return)
Shortest trip • 6h 29m (one-way)
Insights
Insights
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We hope you enjoy your trip to Chicago O'Hare Intl Airport!
Flight Deals
Booking Insights
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from San Francisco to O'Hare Intl

Wed, 11 Nov - Wed, 18 Nov
Alaska Airlines Logo
18:48 - 05:40SFO  San Francisco-ORD Chicago O'Hare Intl
8h 52m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
07:00 - 16:01ORD  Chicago O'Hare Intl-SFO San Francisco
11h 01m1 stop Seattle/Tacoma Intl
$361Alaska Airlines
Mon, 5 Oct - Tue, 13 Oct
Frontier Logo
20:24 - 05:38SFO  San Francisco-ORD Chicago O'Hare Intl
7h 14m1 stop Las Vegas Harry Reid Intl
Frontier Logo
06:30 - 00:15ORD  Chicago O'Hare Intl-SFO San Francisco
19h 45m1 stop Denver Intl
$378Frontier
Mon, 5 Oct - Fri, 9 Oct
Alaska Airlines Logo
13:51 - 23:59SFO  San Francisco-ORD Chicago O'Hare Intl
8h 08m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
19:16 - 08:49ORD  Chicago O'Hare Intl-SFO San Francisco
15h 33m1 stop Seattle/Tacoma Intl
$392Alaska Airlines
Mon, 5 Oct - Tue, 13 Oct
Delta Logo
20:59 - 08:53SFO  San Francisco-ORD Chicago O'Hare Intl
9h 54m2 stops Seattle/Tacoma Intl Minneapolis St Paul
Delta Logo
17:30 - 23:56ORD  Chicago O'Hare Intl-SFO San Francisco
8h 26m1 stop Seattle/Tacoma Intl
$399Delta
Tue, 20 Oct - Tue, 27 Oct
Delta Logo
06:20 - 18:10SFO  San Francisco-ORD Chicago O'Hare Intl
9h 50m2 stops Seattle/Tacoma Intl Salt Lake City
Delta Logo
15:30 - 23:56ORD  Chicago O'Hare Intl-SFO San Francisco
10h 26m2 stops Minneapolis St Paul Seattle/Tacoma Intl
$407Delta
Sat, 26 Sep - Tue, 6 Oct
Alaska Airlines Logo
10:32 - 19:21SFO  San Francisco-ORD Chicago O'Hare Intl
6h 49m1 stop San Diego
Alaska Airlines Logo
17:46 - 08:49ORD  Chicago O'Hare Intl-SFO San Francisco
17h 03m1 stop Seattle/Tacoma Intl
$421Alaska Airlines
Thu, 22 Oct - Thu, 29 Oct
Alaska Airlines Logo
10:21 - 23:59SFO  San Francisco-ORD Chicago O'Hare Intl
11h 38m2 stops Los Angeles Seattle/Tacoma Intl
Alaska Airlines Logo
09:00 - 22:49ORD  Chicago O'Hare Intl-SFO San Francisco
15h 49m1 stop Seattle/Tacoma Intl
$426Alaska Airlines
Mon, 11 Jan - Wed, 13 Jan
Alaska Airlines Logo
11:46 - 22:08SFO  San Francisco-ORD Chicago O'Hare Intl
8h 22m1 stop San Diego
Alaska Airlines Logo
14:13 - 19:59ORD  Chicago O'Hare Intl-SFO San Francisco
7h 46m1 stop San Diego
$436Alaska Airlines
Sun, 13 Dec - Thu, 17 Dec
Alaska Airlines Logo
07:00 - 23:59SFO  San Francisco-ORD Chicago O'Hare Intl
14h 59m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
14:17 - 22:45ORD  Chicago O'Hare Intl-SFO San Francisco
10h 28m1 stop San Diego
$447Alaska Airlines
Tue, 6 Oct - Wed, 14 Oct
Alaska Airlines Logo
07:03 - 18:53SFO  San Francisco-ORD Chicago O'Hare Intl
9h 50m1 stop San Diego
Alaska Airlines Logo
07:00 - 18:50ORD  Chicago O'Hare Intl-SFO San Francisco
13h 50m2 stops Seattle/Tacoma Intl Los Angeles
$449Alaska Airlines
Booking Insights

Price, demand, and travel trends for San Francisco to Chicago O'Hare Intl Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from San Francisco to Chicago O'Hare Intl Airport with more confidence.

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

Return flights from San Francisco to Chicago O'Hare Intl Airport start at $361. Prices are below average for this route right now, with typical return fares ranging from $448 to $743. The lowest price found in the past 5 days was $361 on Alaska Airlines.

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

Wednesday is the cheapest day of the week to fly from San Francisco to Chicago O'Hare Intl Airport and is 10% cheaper than the average day. Sunday is the most expensive day with flight prices 16% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • September is the cheapest month to fly from San Francisco to Chicago O'Hare Intl Airport at $479 return.
  • June ($655) and December ($616) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 36% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from San Francisco to Chicago O'Hare Intl Airport the cheapest?

Flights from San Francisco to Chicago O'Hare Intl Airport are cheapest 6 weeks before departure. Booking in this window typically costs about 40% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for San Francisco to Chicago O'Hare Intl Airport flights

Low season

February

Cheapest flight

$197
Best time to beat the crowds (15% less expensive on average)
Most popular time to fly (15% more expensive on average)
Flights from San Francisco to Chicago O'Hare Intl 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 return price

Your San Francisco to Chicago O'Hare Intl Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airlines offer extra legroom and free seat selection on San Francisco to Chicago O'Hare Intl Airport flights?

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

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

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

  • Which airlines are available on the route from San Francisco to Chicago O'Hare Intl Airport?

    2 airlines operate flights between San Francisco and Chicago O'Hare Intl Airport. The airlines offering direct flights on this route include:

    • United Airlines
    • American Airlines

  • Which airports can I use when flying from San Francisco to Chicago O'Hare Intl Airport?

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

  • Which airlines include bags at no extra cost on San Francisco to Chicago O'Hare Intl Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • American Airlines: a cabin bag and a checked bag in Economy class
    • United 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 travellers should check the fare details before booking.

  • Which cabin classes can I book on flights from San Francisco to Chicago O'Hare Intl Airport?

    Only Economy class is available on flights from San Francisco to Chicago O'Hare Intl Airport.

  • How much can I save by having a stopover when flying from San Francisco to Chicago O'Hare Intl Airport?

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average $367 return via Denver Intl (DEN), compared with $581 for direct.

  • What is the standard checked bag allowance on flights from San Francisco to Chicago O'Hare Intl Airport?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge $55–$138 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from San Francisco to Chicago O'Hare Intl Airport?

    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.

  • Which airports do connecting flights from San Francisco to Chicago O'Hare Intl Airport pass through?

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

    • Denver Intl (DEN) – 24% of one-stop connections
    • San Diego (SAN) – 20% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) – 18% of one-stop connections
    • Salt Lake City (SLC) – 10% of one-stop connections

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

  • Can I save money by using flexible dates for flights from San Francisco to Chicago O'Hare Intl Airport?

    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 $518 return on average, while Sunday is the most expensive at $662, a difference of $144. 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 on the route from San Francisco to Chicago O'Hare Intl Airport?

    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 51 minutes.

  • How are flight departures from San Francisco to Chicago O'Hare Intl Airport spread across the day?

    Morning is the busiest departure period on San Francisco to Chicago O'Hare Intl Airport flights, with 40% leaving in that window. Afternoon departures account for 30%, Night flights for 20%, and Evening flights for 10%.

  • What popular places can I visit in Chicago O'Hare Intl Airport?

    Some of the most popular sights in Chicago O'Hare Intl Airport are River North, Chicago Water Tower, and Union Station. These are among the most viewed places in Chicago O'Hare Intl Airport on KAYAK.

  • What are the earliest and latest flights from San Francisco to Chicago O'Hare Intl Airport?

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

    • Earliest: departs at 00:10 and lands at 04:38
    • Latest: departs at 23:44 and lands at 04:12.

    The flight takes about 4h 28m.

  • How expensive are last-minute San Francisco to Chicago O'Hare Intl Airport flights?

    Last-minute fares on this route (booked within 2 weeks of departure) run 42% above the route average of $570. Book 6 weeks before departure for the lowest fares.

  • How long is a flight from San Francisco to Chicago O'Hare Intl Airport?

    A direct flight from San Francisco to Chicago O'Hare Intl Airport takes 4h 28m, covering 4,767 km.

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

    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.

  • How are flight prices from San Francisco to Chicago O'Hare Intl Airport looking right now?

    One-way fares from San Francisco to Chicago O'Hare Intl Airport are currently lower than usual. Average one-way flight prices are about $226, which is 35% below the typical average for this route.

  • How does United Airlines's on-time performance compare to other airlines on San Francisco to Chicago O'Hare Intl Airport 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 San Francisco to Chicago O'Hare Intl Airport flights are:

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

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

  • How do delay rates compare for morning and evening flights from San Francisco to Chicago O'Hare Intl Airport?

    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 stopover airport from San Francisco to Chicago O'Hare Intl Airport?

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time of 6h 29m, compared to 7h 32m via Detroit Metropolitan Wayne County (DTW) and 7h 49m via Portland (PDX).

  • What is the time difference between San Francisco and Chicago O'Hare Intl Airport?

    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.

  • Which car hire options are available at Chicago O'Hare Intl Airport (ORD)?

    Chicago O'Hare Intl Airport (ORD) hosts 5 major car hire companies, with daily rates starting from around $24 for economy cars. Top options include:
    · Routes Car & Truck Rentals
    · Europcar
    · Hertz
    · Dollar
    · Ace

  • How much should I expect to pay for a San Francisco to Chicago O'Hare Intl Airport flight?

    Return flights from San Francisco to Chicago O'Hare Intl Airport range from $448 to $743, with an average of $570 over the past 12 months. Anything below $448 counts as a good deal.

  • Which airlines offer Wi-Fi on San Francisco to Chicago O'Hare Intl Airport flights?

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

    • • American Airlines
    • • JetBlue

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty programme, while others are paid add-ons priced by flight length.

Your guide to booking San Francisco to Chicago O'Hare Intl Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure instead of Sunday. On this route, Wednesday flights average $518 – about $144 less than Sunday (22% 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 40% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your San Francisco to Chicago O'Hare Intl Airport trip for September. Fares historically average $479 return in that month – typically $176 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. 91% of United Airlines flights from San Francisco to Chicago O'Hare Intl Airport arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 90%. When flights on this route do arrive late, the average delay is 2 hours51 minutes, so choosing an airline 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 stopover option averages $367 return on this route – about $214 less than direct flights (based on the last 12 months).

Prefer to fly 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

More options for your flight from San Francisco to O'Hare Intl

Complete your trip to Chicago with a hotel stay or car hire