ORD - SFO

C$ 208 Find Cheap Flights from Chicago to San Francisco – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 25% 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.

Everything you should know

Cheapest round-trip
C$ 396
Typical prices: C$ 431-C$ 703
United Airlines
Tue 20/11Tue 27/11
ORD - SFO • Direct
Cheapest one-way flights
C$ 208
Typical prices: C$ 261-C$ 484
United Airlines
Sat 22/12
ORD - SFO • Direct
Direct flights
You can fly direct with United Airlines and American Airlines. Average duration is 5h 01m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 77% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 9 weeks in advance save around 46% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 13% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg C$ 301 (round-trip)
Shortest trip • 6h 31m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to San Francisco!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Chicago to San Francisco (ORD-SFO)

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

Recent round-trip flight deals from Chicago to San Francisco

Fri, 20 Nov - Fri, 27 Nov
United Airlines Logo
6:00 a.m. - 8:44 a.m.ORD  Chicago O'Hare Intl-SFO San Francisco
4h 44mdirect
United Airlines Logo
6:35 a.m. - 12:59 p.m.SFO  San Francisco-ORD Chicago O'Hare Intl
4h 24mdirect
C$ 396United Airlines
Thu, 17 Dec - Mon, 21 Dec
United Airlines Logo
9:51 p.m. - 12:59 a.m.ORD  Chicago O'Hare Intl-SFO San Francisco
5h 08mdirect
United Airlines Logo
6:53 p.m. - 1:16 a.m.SFO  San Francisco-ORD Chicago O'Hare Intl
4h 23mdirect
C$ 400United Airlines
Wed, 2 Dec - Wed, 9 Dec
Alaska Airlines Logo
6:00 a.m. - 5:10 p.m.ORD  Chicago O'Hare Intl-SFO San Francisco
13h 10m2 stops Seattle/Tacoma Intl Los Angeles
Alaska Airlines Logo
6:00 a.m. - 4:31 p.m.SFO  San Francisco-ORD Chicago O'Hare Intl
8h 31m1 stop Seattle/Tacoma Intl
C$ 401Alaska Airlines
Thu, 10 Dec - Tue, 29 Dec
Alaska Airlines Logo
9:00 a.m. - 3:47 p.m.ORD  Chicago O'Hare Intl-SFO San Francisco
8h 47m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
4:02 p.m. - 5:40 a.m.SFO  San Francisco-ORD Chicago O'Hare Intl
11h 38m2 stops Los Angeles Seattle/Tacoma Intl
C$ 403Alaska Airlines
Mon, 23 Nov - Thu, 3 Dec
Alaska Airlines Logo
2:16 p.m. - 11:41 p.m.ORD  Chicago O'Hare Intl-SFO San Francisco
11h 25m2 stops San Diego Las Vegas Harry Reid Intl
Alaska Airlines Logo
6:00 a.m. - 7:00 p.m.SFO  San Francisco-ORD Chicago O'Hare Intl
11h 00m1 stop San Diego
C$ 404Alaska Airlines
Thu, 3 Dec - Sun, 6 Dec
United Airlines Logo
1:57 p.m. - 4:50 p.m.ORD  Chicago O'Hare Intl-SFO San Francisco
4h 53mdirect
United Airlines Logo
4:45 p.m. - 10:59 p.m.SFO  San Francisco-ORD Chicago O'Hare Intl
4h 14mdirect
C$ 406United Airlines
Wed, 23 Dec - Thu, 31 Dec
United Airlines Logo
10:00 p.m. - 1:08 a.m.ORD  Chicago O'Hare Intl-SFO San Francisco
5h 08mdirect
United Airlines Logo
11:30 p.m. - 5:56 a.m.SFO  San Francisco-ORD Chicago O'Hare Intl
4h 26mdirect
C$ 415United Airlines
Tue, 26 Jan - Mon, 8 Feb
Alaska Airlines Logo
7:40 a.m. - 12:44 p.m.ORD  Chicago O'Hare Intl-SFO San Francisco
7h 04m1 stop San Diego
Alaska Airlines Logo
10:04 a.m. - 10:08 p.m.SFO  San Francisco-ORD Chicago O'Hare Intl
10h 04m1 stop San Diego
C$ 420Alaska Airlines
Tue, 17 Nov - Wed, 18 Nov
United Airlines Logo
8:29 p.m. - 11:28 p.m.ORD  Chicago O'Hare Intl-SFO San Francisco
4h 59mdirect
United Airlines Logo
12:55 a.m. - 7:13 a.m.SFO  San Francisco-ORD Chicago O'Hare Intl
4h 18mdirect
C$ 421United Airlines
Tue, 15 Dec - Thu, 17 Dec
United Airlines Logo
6:43 p.m. - 9:47 p.m.ORD  Chicago O'Hare Intl-SFO San Francisco
5h 04mdirect
United Airlines Logo
5:00 a.m. - 11:28 a.m.SFO  San Francisco-ORD Chicago O'Hare Intl
4h 28mdirect
C$ 422United Airlines
Booking Insights

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

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

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

Round-trip flights from Chicago O'Hare Intl Airport to San Francisco typically range from C$ 431 to C$ 703. The lowest price found in the past 5 days was C$ 396, on United Airlines.

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

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Chicago O'Hare Intl Airport to San Francisco. It's 10% cheaper than the average day, while Monday is the most expensive, with prices 37% higher.

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

•September is the cheapest month to fly from Chicago O'Hare Intl Airport to San Francisco at C$ 470 round-trip.
•June (C$ 617) and November (C$ 599) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 31% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from Chicago O'Hare Intl Airport to San Francisco are cheapest 9 weeks before departure. Booking in this window typically costs about 46% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Chicago to San Francisco

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on 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.

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.

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

Low season

October

Cheapest flight

C$ 208
Beat the crowds with an average 28% drop in traveller numbers.
The most popular month to fly with an average 29% increase in traveller numbers.
One-way flight from Chicago O'Hare Intl 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

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

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

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

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

    • Earliest: departs at 12:01 am and lands at 5:02 am
    • Latest: departs at 10:00 pm and lands at 3:01 am.

    The flight takes about 5h 01m.

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

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

    • Economy Class
    • First Class

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

    A direct flight from Chicago O'Hare Intl Airport to San Francisco takes 5h 01m, covering 4,767 km.

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

    No, a passport is not required for this domestic route, but you will need another form of identification, such as a driver's licence.

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

    Round-trip flights from Chicago O'Hare Intl Airport to San Francisco range from C$ 431 to C$ 703, with an average of C$ 540 over the past 12 months. Anything below C$ 431 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 55% above the C$ 540 route average. Book 9 weeks before departure for the lowest fares.

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

    On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 301 round-trip via Dallas/Fort Worth (DFW), compared to C$ 545 for direct.

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

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 56–C$ 140 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 Chicago O'Hare Intl Airport to San Francisco?

    The Boeing 757-300 family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Airbus A321-100/200 variants.

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

    Morning is the busiest departure period on Chicago O'Hare Intl Airport to San Francisco flights, with 37% leaving in that window. Afternoon departures account for 37%, Evening flights for 21%, and Night flights for 5%.

  • Have flight prices from Chicago O'Hare Intl Airport 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 C$ 396 to C$ 3,365. That means the highest observed fare was about 9x higher than the lowest one.

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

    Two airlines offer in-flight Wi-Fi on Chicago O'Hare Intl Airport 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.

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

    One-way fares from Chicago O'Hare Intl Airport to San Francisco are currently lower than usual. Average one-way flight prices are about C$ 227, which is 39% below the typical average for this route.

  • What car rental options are available at San Francisco Airport (SFO)?

    San Francisco Airport (SFO) hosts 5 major car rental companies, with daily rates averaging C$ 88 for economy cars. Top options include:

    • Europcar
    • Thrifty
    • Dollar
    • Hertz
    • Fox

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

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

  • What time of day has the fewest delays on flights from Chicago O'Hare Intl Airport to San Francisco?

    Morning flights have the fewest delays on this route, while evening departures tend to have the most.

  • At what point is a flight considered delayed on the route from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to San Francisco route, 26% of flights were delayed in the past three months, with delays averaging 2h 53m.

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

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

    • Denver Intl (DEN) – 25% of one-stop connections
    • San Diego (SAN) – 23% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) – 13% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) – 13% of one-stop connections

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

    Yes. Flexible dates can save you up to 35% on flights from Chicago O'Hare Intl Airport to San Francisco. Wednesday is the cheapest departure day at C$ 491 round-trip on average, while Monday is the most expensive at C$ 744, a difference of C$ 253.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines fly from Chicago O'Hare Intl Airport to San Francisco?

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

    • United Airlines
    • American Airlines

  • How much time can I save by choosing a different layover airport when travelling from Chicago O'Hare Intl Airport to San Francisco?

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 6h 31m, compared with 7h via Portland (PDX) and 7h 24m via Los Angeles (LAX).

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

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

  • Which popular places can I visit in San Francisco?

    Some of the most popular sights in San Francisco are Fisherman's Wharf, Moscone Center, and Union Square. These are among the most viewed places in San Francisco on KAYAK.

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

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

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

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

    • United Airlines: a carry-on bag and a checked bag in Economy Class
    • American Airlines: a carry-on bag and a checked bag in Economy Class
    • JetBlue: a cabin bag in Economy Class class

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

Your guide to booking Chicago O'Hare Intl Airport to San Francisco 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 and avoid flying on Monday. On this route, Wednesday flights average C$ 491, about C$ 253 less than Monday fares (34% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 9 weeks before you fly. On this route, that window historically saves about 46% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Chicago O'Hare Intl Airport to San Francisco trip for September. Fares historically average C$ 470 round-trip in that month – typically C$ 147 less than the most expensive month, which is June (based on the last 12 months).
  • For the best chance of arriving on time, fly with United Airlines. Over the past three months, 77% of United Airlines flights from Chicago O'Hare Intl Airport to San Francisco arrived on time, slightly above the route average of 74%. When flights on this route arrive late, they're delayed by an average of 2h 53m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you have the time, taking a 1-stop flight through Dallas/Fort Worth Airport (DFW) can be cheaper than flying direct. The cheapest layover option averages C$ 301 round-trip on this route – about C$ 245 less than direct flights (based on the last 12 months).

Prefer to fly direct from Chicago to San Francisco?

 
Find which airlines fly direct from Chicago O'Hare Intl Airport to San Francisco Airport, which days they fly and book direct flights.

Direct departures

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 nonstop flights

Direct returns

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,Aer Lingus

American Airlines,United Airlines, +1 more

Friday

American Airlines,United Airlines,Aer Lingus

American Airlines,United Airlines, +1 more

Saturday

American Airlines,United Airlines

American Airlines,United Airlines

Sunday

American Airlines,United Airlines

American Airlines,United Airlines

See more nonstop flights

More options for your flight from Chicago to San Francisco

Complete your trip to San Francisco with a hotel stay or car rental