Trip.com
>
Cheap Flights
>
United States
>
San Francisco
>
Chicago to San Francisco flight
>
O'Hare International Airport to San Francisco International Airport flight
174K verified reviews | Excellent 4.4/5 rating on Trustpilot
Earn Trip Coins and airline miles, all in one booking
All-inclusive prices (taxes, fuel and luggage included) with no hidden fees
24/7 support in 24+ languages

O'Hare International Airport to San Francisco International Airport Flights Info

Cheapest one-way
€78
Frontier Airlines Frontier Airlines 9h 6m · 1 stop Fri, Dec 11
Book Now
Cheapest return
€105
Frontier Airlines Frontier Airlines 6h 47m · 2 stops Mon, Nov 16 - Wed, Nov 18
Book Now
Best time to book
September
Cheapest
Recommended airlines
Frontier Airlines Frontier AirlinesCheapest· From €78 American Airlines American AirlinesMost booked

Explore the cheapest one-way and round-trip flights from O'Hare International Airport to San Francisco International Airport over the next 90 days, with one-way fares from €78 and round-trip from €105. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      ORD 19:00
      5h 11m
      Direct
      SFO 22:11
      Chicago - San Francisco | Tue, Dec 8 | American Airlines
      SFO 06:11
      4h 19m
      Direct
      ORD 12:30
      San Francisco - Chicago | Tue, Dec 15 | American Airlines
      €220 €450
      51% off
      51% off
      €450 €220
    • ORD 13:24
      5h 6m
      Direct
      SFO 16:30
      Chicago - San Francisco | Wed, Dec 9 | American Airlines
      SFO 06:11
      4h 19m
      Direct
      ORD 12:30
      San Francisco - Chicago | Fri, Dec 11 | American Airlines
      €220 €450
      51% off
      51% off
      €450 €220
    • ORD 06:30
      6h 47m
      1 stop
      SFO 11:17
      Chicago - San Francisco | Mon, Nov 16 | Frontier Airlines
      SFO 06:02
      16h 19m
      1 stop
      ORD 00:21
      San Francisco - Chicago | Wed, Nov 18 | Frontier Airlines
      €105 €450
      77% off
      77% off
      €450 €105
    • ORD 09:00
      11h 12m
      1 stop
      SFO 18:12
      Chicago - San Francisco | Mon, Dec 7 | Alaska Airlines
      SFO 18:30
      8h 31m
      1 stop
      ORD 05:01
      San Francisco - Chicago | Thu, Dec 10 | Frontier Airlines
      €174
      61% off
      €450 €174
    • ORD 06:21
      6h 50m
      1 stop
      SFO 11:11
      Chicago - San Francisco | Wed, Dec 16 | Frontier Airlines
      SFO 18:30
      8h 31m
      1 stop
      ORD 05:01
      San Francisco - Chicago | Wed, Dec 16 | Frontier Airlines
      €175
      61% off
      €450 €175
    • ORD 06:21
      9h 6m
      1 stop
      SFO 13:27
      Chicago - San Francisco | Fri, Dec 11 | Frontier Airlines
      SFO 06:30
      16h 24m
      1 stop
      ORD 00:54
      San Francisco - Chicago | Fri, Dec 18 | Frontier Airlines
      €227
      50% off
      €450 €227
    • ORD 06:21
      9h 6m
      1 stop
      SFO 13:27
      Chicago - San Francisco | Thu, Dec 10 | Frontier Airlines
      SFO 20:32
      6h 29m
      1 stop
      ORD 05:01
      San Francisco - Chicago | Mon, Dec 14 | Frontier Airlines
      €230
      49% off
      €450 €230
    • ORD 06:21
      29h 19m
      1 stop
      SFO 09:40
      Chicago - San Francisco | Thu, Dec 3 | Frontier Airlines
      SFO 20:32
      6h 29m
      1 stop
      ORD 05:01
      San Francisco - Chicago | Mon, Dec 7 | Frontier Airlines
      €245
      46% off
      €450 €245
    • ORD 07:25
      17h 28m
      1 stop
      SFO 22:53
      Chicago - San Francisco | Mon, Dec 7 | Frontier Airlines
      SFO 18:30
      8h 31m
      1 stop
      ORD 05:01
      San Francisco - Chicago | Thu, Dec 10 | Frontier Airlines
      €245
      46% off
      €450 €245
    • CHI 13:00
      17h 25m
      1 stop
      SFO 14:00
      Chicago - San Francisco | Tue, Nov 17 | Normal Airline
      SFO 15:00
      6h
      Direct
      CHI 16:00
      San Francisco - Chicago | Thu, Nov 19 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest
      ORD 06:21
      9h 6m
      1 stop
      SFO 13:27
      Chicago - San Francisco | Fri, Dec 11 | Frontier Airlines
      €78 €131
      40% off
      40% off
      €131 €78
    • ORD 06:21
      9h 32m
      1 stop
      SFO 13:53
      Chicago - San Francisco | Fri, Dec 18 | Frontier Airlines
      €80 €131
      39% off
      39% off
      €131 €80
    • ORD 07:00
      17h 53m
      1 stop
      SFO 22:53
      Chicago - San Francisco | Fri, Dec 4 | Frontier Airlines
      €90 €131
      31% off
      31% off
      €131 €90
    • ORD 15:19
      8h 29m
      1 stop
      SFO 21:48
      Chicago - San Francisco | Fri, Dec 11 | Alaska Airlines
      €96
      27% off
      €131 €96
    • ORD 08:30
      9h 4m
      1 stop
      SFO 15:34
      Chicago - San Francisco | Sat, Dec 5 | Frontier Airlines
      €99
      24% off
      €131 €99
    • ORD 08:30
      9h 4m
      1 stop
      SFO 15:34
      Chicago - San Francisco | Sun, Dec 6 | Frontier Airlines
      €99
      24% off
      €131 €99
    • ORD 06:21
      29h 13m
      1 stop
      SFO 09:34
      Chicago - San Francisco | Wed, Dec 16 | Frontier Airlines
      €101
      23% off
      €131 €101
    • ORD 07:45
      14h 53m
      1 stop
      SFO 20:38
      Chicago - San Francisco | Thu, Dec 24 | Frontier Airlines
      €104
      21% off
      €131 €104
    • ORD 07:49
      10h 49m
      1 stop
      SFO 16:38
      Chicago - San Francisco | Sat, Nov 28 | Frontier Airlines
      €104
      21% off
      €131 €104
    • CHI 13:00
      17h 25m
      1 stop
      SFO 14:00
      Chicago - San Francisco | Tue, Nov 17 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      ORD 13:24
      5h 6m
      Direct
      SFO 16:30
      Chicago - San Francisco | Wed, Dec 16 | American Airlines
      €107 €314
      66% off
      66% off
      €314 €107
    • ORD 08:14
      5h
      Direct
      SFO 11:14
      Chicago - San Francisco | Mon, Jan 18 | American Airlines
      €114 €314
      64% off
      64% off
      €314 €114
    • ORD 06:29
      5h 4m
      Direct
      SFO 09:33
      Chicago - San Francisco | Mon, Dec 21 | American Airlines
      €134 €314
      56% off
      56% off
      €314 €134
    • ORD 13:30
      4h 56m
      Direct
      SFO 16:26
      Chicago - San Francisco | Fri, Jan 15 | American Airlines
      €135
      56% off
      €314 €135
    • ORD 13:24
      5h 6m
      Direct
      SFO 16:30
      Chicago - San Francisco | Tue, Dec 15 | American Airlines
      €156
      50% off
      €314 €156
    • ORD 06:45
      5h 4m
      Direct
      SFO 09:49
      Chicago - San Francisco | Fri, Dec 18 | American Airlines
      €159
      49% off
      €314 €159
    • ORD 13:24
      5h 6m
      Direct
      SFO 16:30
      Chicago - San Francisco | Sat, Dec 5 | American Airlines
      €160
      49% off
      €314 €160
    • ORD 06:29
      5h 6m
      Direct
      SFO 09:35
      Chicago - San Francisco | Wed, Dec 23 | American Airlines
      €172
      45% off
      €314 €172
    • ORD 07:56
      5h 9m
      Direct
      SFO 11:05
      Chicago - San Francisco | Thu, Dec 17 | American Airlines
      €172
      45% off
      €314 €172
    • CHI 13:00
      17h 25m
      1 stop
      SFO 14:00
      Chicago - San Francisco | Tue, Nov 17 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      ORD 13:24
      5h 6m
      Direct
      SFO 16:30
      Chicago - San Francisco | Fri, Dec 18 | American Airlines
      €107 €131
      18% off
      18% off
      €131 €107
    • ORD 13:24
      5h 6m
      Direct
      SFO 16:30
      Chicago - San Francisco | Wed, Dec 16 | American Airlines
      €107 €215
      50% off
      50% off
      €215 €107
    • ORD 08:14
      5h
      Direct
      SFO 11:14
      Chicago - San Francisco | Mon, Jan 18 | American Airlines
      €114 €215
      47% off
      47% off
      €215 €114
    • ORD 06:29
      5h 4m
      Direct
      SFO 09:33
      Chicago - San Francisco | Mon, Dec 21 | American Airlines
      €134
      38% off
      €215 €134
    • ORD 13:30
      4h 56m
      Direct
      SFO 16:26
      Chicago - San Francisco | Fri, Jan 15 | American Airlines
      €135
      37% off
      €215 €135
    • ORD 13:24
      5h 6m
      Direct
      SFO 16:30
      Chicago - San Francisco | Tue, Dec 15 | American Airlines
      €156
      27% off
      €215 €156
    • ORD 06:45
      5h 4m
      Direct
      SFO 09:49
      Chicago - San Francisco | Fri, Dec 18 | American Airlines
      €159
      26% off
      €215 €159
    • ORD 13:24
      5h 6m
      Direct
      SFO 16:30
      Chicago - San Francisco | Sat, Dec 5 | American Airlines
      €160
      26% off
      €215 €160
    • ORD 10:25
      4h 50m
      Direct
      SFO 13:15
      Chicago - San Francisco | Thu, Dec 10 | United Airlines
      €163
      56% off
      €376 €163
    • CHI 13:00
      17h 25m
      1 stop
      SFO 14:00
      Chicago - San Francisco | Tue, Nov 17 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      ORD 20:56
      4h 59m
      Direct
      SFO 23:55
      Chicago - San Francisco | Mon, Nov 16 | American Airlines
      €249 €376
      34% off
      34% off
      €376 €249
    • ORD 06:30
      6h 47m
      1 stop
      SFO 11:17
      Chicago - San Francisco | Tue, Nov 17 | Frontier Airlines
      €124 €376
      67% off
      67% off
      €376 €124
    • ORD 14:30
      4h 55m
      Direct
      SFO 17:25
      Chicago - San Francisco | Tue, Nov 17 | United Airlines
      €217 €376
      42% off
      42% off
      €376 €217
    • ORD 20:56
      4h 59m
      Direct
      SFO 23:55
      Chicago - San Francisco | Tue, Nov 17 | American Airlines
      €165
      56% off
      €376 €165
    • ORD 06:30
      6h 47m
      1 stop
      SFO 11:17
      Chicago - San Francisco | Wed, Nov 18 | Frontier Airlines
      €119
      68% off
      €376 €119
    • ORD 06:45
      4h 55m
      Direct
      SFO 09:40
      Chicago - San Francisco | Wed, Nov 18 | American Airlines
      €154
      59% off
      €376 €154
    • ORD 12:42
      4h 53m
      Direct
      SFO 15:35
      Chicago - San Francisco | Wed, Nov 18 | United Airlines
      €205
      45% off
      €376 €205
    • ORD 17:55
      7h 36m
      1 stop
      SFO 23:31
      Chicago - San Francisco | Wed, Nov 18 | Delta Air Lines
      €160
      56% off
      €376 €160
    • ORD 06:30
      6h 47m
      1 stop
      SFO 11:17
      Chicago - San Francisco | Thu, Nov 19 | Frontier Airlines
      €174
      54% off
      €376 €174
    • CHI 13:00
      17h 25m
      1 stop
      SFO 14:00
      Chicago - San Francisco | Tue, Nov 17 | Normal Airline
      Find more flights
      Find more flights
    • ORD 07:00
      4h 47m
      Direct
      SFO 09:47
      Chicago - San Francisco | Sat, Nov 21 | United Airlines
      €308 €376
      18% off
      18% off
      €376 €308
    • ORD 10:25
      4h 50m
      Direct
      SFO 13:15
      Chicago - San Francisco | Thu, Dec 10 | United Airlines
      €163 €376
      56% off
      56% off
      €376 €163
    • ORD 12:40
      4h 50m
      Direct
      SFO 15:30
      Chicago - San Francisco | Tue, Dec 8 | United Airlines
      €168 €376
      55% off
      55% off
      €376 €168
    • ORD 10:25
      4h 50m
      Direct
      SFO 13:15
      Chicago - San Francisco | Mon, Dec 14 | United Airlines
      €188
      50% off
      €376 €188
    • ORD 10:25
      4h 50m
      Direct
      SFO 13:15
      Chicago - San Francisco | Fri, Dec 11 | United Airlines
      €192
      49% off
      €376 €192
    • ORD 10:25
      4h 50m
      Direct
      SFO 13:15
      Chicago - San Francisco | Sun, Dec 6 | United Airlines
      €201
      47% off
      €376 €201
    • ORD 10:25
      4h 50m
      Direct
      SFO 13:15
      Chicago - San Francisco | Wed, Dec 9 | United Airlines
      €203
      46% off
      €376 €203
    • ORD 10:25
      4h 50m
      Direct
      SFO 13:15
      Chicago - San Francisco | Tue, Dec 15 | United Airlines
      €204
      46% off
      €376 €204
    • ORD 12:40
      4h 50m
      Direct
      SFO 15:30
      Chicago - San Francisco | Fri, Dec 4 | United Airlines
      €209
      44% off
      €376 €209
    • CHI 13:00
      17h 25m
      1 stop
      SFO 14:00
      Chicago - San Francisco | Tue, Nov 17 | Normal Airline
      Find more flights
      Find more flights

Displayed flight fares from Chicago to San Francisco are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from O'Hare International Airport to San Francisco International Airport?

The cheapest airline flying from O'Hare International Airport to San Francisco International Airport is Frontier Airlines (from €78) among 1 carriers operating this route. Based on Trip.com's latest 7-day flight data.
easyJet logo easyJet Wizz Air UK logo Wizz Air UK British Airways logo British Airways Jet2.com logo Jet2.com Virgin Atlantic logo Virgin Atlantic
American Airlines logo American Airlines

Trip.com Price Insights: Flights from O'Hare International Airport to San Francisco International Airport

What is the cheapest month to fly return from O'Hare International Airport to San Francisco International Airport?

The data is based on the past 12 months and shows the average monthly return fares from O'Hare International Airport to San Francisco International Airport in the Trip.com database.

Based on Trip.com's data from the past 12 months, September is often the month to find the lowest fares from O'Hare International Airport to San Francisco International Airport, with an average price of €311. November is usually the most expensive month, with an average price reaching €788.

€788
€550
€311
€73
    Cheapest
  • €788
    Nov
  • €457
    Dec
  • €438
    Jan
  • €381
    Feb
  • €513
    Mar
  • €460
    Apr
  • €432
    May
  • €536
    Jun
  • €550
    Jul
  • €491
    Aug
  • €311
    Sep
  • €384
    Oct

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

The data is based on the past 12 months and shows the average one-way ticket prices from O'Hare International Airport to San Francisco International Airport for each month in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest one-way flights from O'Hare International Airport to San Francisco International Airport are usually in September, with an average price of €220. It is best to avoid December, when the average price can reach €286.

€286
€253
€220
€187
    Cheapest
  • €277
    Nov
  • €286
    Dec
  • €268
    Jan
  • €273
    Feb
  • €271
    Mar
  • €226
    Apr
  • €237
    May
  • €255
    Jun
  • €248
    Jul
  • €258
    Aug
  • €220
    Sep
  • €228
    Oct

What is the cheapest day of the week to fly from O'Hare International Airport to San Francisco International Airport?

The data is based on the past 12 months and shows the average ticket prices from O'Hare International Airport to San Francisco International Airport for each day of the week in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest departure day from O'Hare International Airport to San Francisco International Airport is Saturday, with average prices usually lower than other days. Avoid departing on Sunday as prices are typically highest on that day.

€308
€257
€206
€155
    Cheapest
  • €285
    Mon
  • €239
    Tue
  • €212
    Wed
  • €255
    Thu
  • €251
    Fri
  • €206
    Sat
  • €308
    Sun

What is the flight schedule from O'Hare International Airport to San Francisco International Airport?

Check the schedule for flights from Chicago to San Francisco and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA1253

    O'Hare International Airport

    06:45

    ORD

    5h 4m

    09:49

    SFO

    S M T W T F S
    Search

  2. F92145

    O'Hare International Airport

    07:40

    ORD

    4h 12m

    Direct

    09:52

    LAS

    - - - - - F S
    Search

  3. F93019

    Harry Reid International Airport

    06:30

    LAS

    1h 47m

    Direct

    08:17

    SFO

    S M T W - - S

  4. DL2231

    O'Hare International Airport

    07:15

    ORD

    3h 44m

    Direct

    09:59

    SLC

    S M T W T F S
    Search

  5. DL902

    Salt Lake City International Airport

    11:20

    SLC

    2h 10m

    Direct

    12:30

    SFO

    S M T W T F S

  6. DL1717

    O'Hare International Airport

    06:00

    ORD

    1h 36m

    Direct

    07:36

    MSP

    S M T W T F S
    Search

  7. DL2074

    Minneapolis-Saint Paul International Airport

    10:15

    MSP

    4h 16m

    Direct

    12:31

    SFO

    S M T W T F S

  8. AS407

    O'Hare International Airport

    15:59

    ORD

    4h 49m

    Direct

    18:48

    SEA

    S M T W T F S
    Search

  9. AS590

    Seattle-Tacoma International Airport

    19:36

    SEA

    2h 12m

    Direct

    21:48

    SFO

    S - - W T F S

  10. F92145

    O'Hare International Airport

    07:40

    ORD

    4h 12m

    Direct

    09:52

    LAS

    - - - - - F S
    Search

  11. F93801

    Harry Reid International Airport

    11:29

    LAS

    1h 51m

    Direct

    13:20

    SFO

    S - T - T F S

  12. AS407

    O'Hare International Airport

    15:59

    ORD

    4h 49m

    Direct

    18:48

    SEA

    S M T W T F S
    Search

  13. AS725

    Seattle-Tacoma International Airport

    07:18

    SEA

    2h 23m

    Direct

    09:41

    SFO

    S - - W T F S

  14. AS583

    O'Hare International Airport

    09:00

    ORD

    4h 57m

    Direct

    11:57

    SEA

    S M T W T F S
    Search

  15. AS688

    Seattle-Tacoma International Airport

    13:50

    SEA

    2h 11m

    Direct

    16:01

    SFO

    S M T W T F S

  16. AS587

    O'Hare International Airport

    08:00

    ORD

    4h 41m

    Direct

    10:41

    SEA

    S M T W T F S
    Search

  17. AS655

    Seattle-Tacoma International Airport

    11:43

    SEA

    2h 27m

    Direct

    14:10

    SFO

    S M T W T F S

  18. F92145

    O'Hare International Airport

    07:40

    ORD

    4h 12m

    Direct

    09:52

    LAS

    - - - - - F S
    Search

  19. F94401

    Harry Reid International Airport

    10:57

    LAS

    1h 55m

    Direct

    12:52

    SFO

    S M T W T F S
Find more flights and airlines

FAQs for O'Hare International Airport to San Francisco International Airport Flights

  • How long is the flight from O'Hare International Airport to San Francisco International Airport?

    O'Hare International Airport to San Francisco International Airport takes about 4 hours 13 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 19 daily flights from O'Hare International Airport (ORD) to San Francisco International Airport (SFO).
  • The earliest flight from O'Hare International Airport to San Francisco International Airport departs at 06:00, and the last departs at 21:57, with about 24 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from O'Hare International Airport (ORD) to San Francisco International Airport (SFO) is quite popular. Without considering departure times or holidays, tickets cost around €266 in November, the most expensive month to book this route.
    • The distance from San Francisco International Airport to downtown is about 17km, by taxi about 30 minutes.
  • The closest airport to San Francisco International Airport (SFO) is Oakland San Francisco Bay Airport. The distance is around 17km.
  • United Airlines is a very popular airline operating an average of 12501 flights per month.
  • One-way flights from O'Hare International Airport to San Francisco International Airport currently start from €78, and round-trip fares start from €105. The current lowest fare is a Frontier Airlines flight departing on Fri, Dec 11; prices may vary depending on availability.
  • Yes. United Airlines and American Airlines operate direct flights from O'Hare International Airport to San Francisco International Airport, with an average flight time of 4 hours 15 minutes, and around 159 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from O'Hare International Airport to San Francisco International Airport is €218. Prices may vary depending on the departure date, airline, and availability.
  • Porter Airlines are the most popular budget airlines flying from O'Hare International Airport to San Francisco International Airport, with one-way fares starting from €78. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • O'Hare International Airport to San Francisco International Airport operates around 159 weekly flights, mainly by United Airlines and American Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter O'Hare International Airport and San Francisco International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Find Cheap Flights with Trip.com

Note: Prices shown on this page are the estimated lowest prices and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please visit the customer support pages.