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

Cheapest one-way
US$86
Frontier Airlines Frontier Airlines 9h 6m · 1 stop Fri, Dec 11
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Cheapest return
US$193
Frontier Airlines Frontier Airlines 6h 50m · 2 stops Mon, Dec 14 - Mon, Dec 14
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Best time to book
September
Cheapest
Recommended airlines
Frontier Airlines Frontier AirlinesCheapest· From US$86 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 US$86 and round-trip from US$193. 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
      US$243 US$491
      51% off
      51% off
      US$491 US$243
    • 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
      US$243 US$491
      51% off
      51% off
      US$491 US$243
    • ORD 06:21
      6h 50m
      1 stop
      SFO 11:11
      Chicago - San Francisco | Mon, Dec 14 | Frontier Airlines
      SFO 18:30
      8h 31m
      1 stop
      ORD 05:01
      San Francisco - Chicago | Mon, Dec 14 | Frontier Airlines
      US$193 US$491
      61% off
      61% off
      US$491 US$193
    • ORD 07:25
      14h 6m
      1 stop
      SFO 19:31
      Chicago - San Francisco | Sat, Dec 12 | Frontier Airlines
      SFO 20:26
      26h 28m
      1 stop
      ORD 00:54
      San Francisco - Chicago | Mon, Dec 14 | Frontier Airlines
      US$200
      59% off
      US$491 US$200
    • ORD 17:15
      17h 4m
      1 stop
      SFO 08:19
      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
      US$202
      59% off
      US$491 US$202
    • ORD 06:21
      9h 6m
      1 stop
      SFO 13:27
      Chicago - San Francisco | Wed, Dec 9 | Frontier Airlines
      SFO 06:30
      16h 24m
      1 stop
      ORD 00:54
      San Francisco - Chicago | Wed, Dec 16 | Frontier Airlines
      US$240
      51% off
      US$491 US$240
    • ORD 06:21
      9h 6m
      1 stop
      SFO 13:27
      Chicago - San Francisco | Tue, Dec 8 | Frontier Airlines
      SFO 20:32
      6h 29m
      1 stop
      ORD 05:01
      San Francisco - Chicago | Sat, Dec 12 | Frontier Airlines
      US$256
      48% off
      US$491 US$256
    • ORD 06:21
      15h 16m
      1 stop
      SFO 19:37
      Chicago - San Francisco | Sat, Dec 5 | Frontier Airlines
      SFO 06:30
      16h 24m
      1 stop
      ORD 00:54
      San Francisco - Chicago | Tue, Dec 8 | Frontier Airlines
      US$270
      45% off
      US$491 US$270
    • ORD 07:25
      14h 6m
      1 stop
      SFO 19:31
      Chicago - San Francisco | Thu, Dec 10 | Frontier Airlines
      SFO 20:26
      26h 28m
      1 stop
      ORD 00:54
      San Francisco - Chicago | Mon, Dec 14 | Frontier Airlines
      US$284
      42% off
      US$491 US$284
    • 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
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    • Cheapest
      ORD 06:21
      9h 6m
      1 stop
      SFO 13:27
      Chicago - San Francisco | Fri, Dec 11 | Frontier Airlines
      US$86 US$144
      40% off
      40% off
      US$144 US$86
    • ORD 06:21
      9h 32m
      1 stop
      SFO 13:53
      Chicago - San Francisco | Fri, Dec 18 | Frontier Airlines
      US$88 US$144
      39% off
      39% off
      US$144 US$88
    • ORD 07:00
      17h 53m
      1 stop
      SFO 22:53
      Chicago - San Francisco | Fri, Dec 4 | Frontier Airlines
      US$99 US$144
      31% off
      31% off
      US$144 US$99
    • ORD 15:19
      8h 29m
      1 stop
      SFO 21:48
      Chicago - San Francisco | Fri, Dec 11 | Alaska Airlines
      US$106
      26% off
      US$144 US$106
    • ORD 08:30
      9h 4m
      1 stop
      SFO 15:34
      Chicago - San Francisco | Sat, Dec 5 | Frontier Airlines
      US$109
      24% off
      US$144 US$109
    • ORD 08:30
      9h 4m
      1 stop
      SFO 15:34
      Chicago - San Francisco | Sun, Dec 6 | Frontier Airlines
      US$109
      24% off
      US$144 US$109
    • ORD 06:21
      29h 13m
      1 stop
      SFO 09:34
      Chicago - San Francisco | Wed, Dec 16 | Frontier Airlines
      US$111
      23% off
      US$144 US$111
    • ORD 07:45
      14h 53m
      1 stop
      SFO 20:38
      Chicago - San Francisco | Thu, Dec 24 | Frontier Airlines
      US$115
      20% off
      US$144 US$115
    • ORD 07:49
      10h 49m
      1 stop
      SFO 16:38
      Chicago - San Francisco | Sat, Nov 28 | Frontier Airlines
      US$115
      20% off
      US$144 US$115
    • CHI 13:00
      17h 25m
      1 stop
      SFO 14:00
      Chicago - San Francisco | Tue, Nov 17 | Normal Airline
      Find more flights
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    • Cheapest nonstop
      ORD 13:24
      5h 6m
      Direct
      SFO 16:30
      Chicago - San Francisco | Wed, Dec 16 | American Airlines
      US$121 US$346
      65% off
      65% off
      US$346 US$121
    • ORD 07:56
      5h 9m
      Direct
      SFO 11:05
      Chicago - San Francisco | Thu, Dec 17 | American Airlines
      US$125 US$346
      64% off
      64% off
      US$346 US$125
    • ORD 08:14
      5h
      Direct
      SFO 11:14
      Chicago - San Francisco | Mon, Jan 18 | American Airlines
      US$125 US$346
      64% off
      64% off
      US$346 US$125
    • ORD 06:29
      5h 4m
      Direct
      SFO 09:33
      Chicago - San Francisco | Mon, Dec 21 | American Airlines
      US$147
      57% off
      US$346 US$147
    • ORD 13:30
      4h 56m
      Direct
      SFO 16:26
      Chicago - San Francisco | Fri, Jan 15 | American Airlines
      US$149
      56% off
      US$346 US$149
    • ORD 13:24
      5h 6m
      Direct
      SFO 16:30
      Chicago - San Francisco | Sat, Dec 5 | American Airlines
      US$153
      56% off
      US$346 US$153
    • ORD 06:45
      5h 4m
      Direct
      SFO 09:49
      Chicago - San Francisco | Fri, Dec 18 | American Airlines
      US$154
      55% off
      US$346 US$154
    • ORD 13:30
      4h 56m
      Direct
      SFO 16:26
      Chicago - San Francisco | Wed, Jan 6 | American Airlines
      US$165
      52% off
      US$346 US$165
    • ORD 13:24
      5h 6m
      Direct
      SFO 16:30
      Chicago - San Francisco | Tue, Dec 15 | American Airlines
      US$170
      51% off
      US$346 US$170
    • CHI 13:00
      17h 25m
      1 stop
      SFO 14:00
      Chicago - San Francisco | Tue, Nov 17 | Normal Airline
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    • Cheapest nonstop
      ORD 13:24
      5h 6m
      Direct
      SFO 16:30
      Chicago - San Francisco | Fri, Dec 18 | American Airlines
      US$118 US$144
      18% off
      18% off
      US$144 US$118
    • ORD 13:24
      5h 6m
      Direct
      SFO 16:30
      Chicago - San Francisco | Wed, Dec 16 | American Airlines
      US$121 US$292
      59% off
      59% off
      US$292 US$121
    • ORD 07:56
      5h 9m
      Direct
      SFO 11:05
      Chicago - San Francisco | Thu, Dec 17 | American Airlines
      US$125 US$292
      56% off
      56% off
      US$292 US$125
    • ORD 08:14
      5h
      Direct
      SFO 11:14
      Chicago - San Francisco | Mon, Jan 18 | American Airlines
      US$125
      56% off
      US$292 US$125
    • ORD 06:29
      5h 4m
      Direct
      SFO 09:33
      Chicago - San Francisco | Mon, Dec 21 | American Airlines
      US$147
      50% off
      US$292 US$147
    • ORD 13:30
      4h 56m
      Direct
      SFO 16:26
      Chicago - San Francisco | Fri, Jan 15 | American Airlines
      US$149
      49% off
      US$292 US$149
    • ORD 13:24
      5h 6m
      Direct
      SFO 16:30
      Chicago - San Francisco | Sat, Dec 5 | American Airlines
      US$153
      48% off
      US$292 US$153
    • ORD 06:45
      5h 4m
      Direct
      SFO 09:49
      Chicago - San Francisco | Fri, Dec 18 | American Airlines
      US$154
      47% off
      US$292 US$154
    • ORD 13:30
      4h 56m
      Direct
      SFO 16:26
      Chicago - San Francisco | Wed, Jan 6 | American Airlines
      US$165
      43% off
      US$292 US$165
    • 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
      US$274 US$409
      33% off
      33% off
      US$409 US$274
    • ORD 06:30
      6h 47m
      1 stop
      SFO 11:17
      Chicago - San Francisco | Tue, Nov 17 | Frontier Airlines
      US$96 US$409
      77% off
      77% off
      US$409 US$96
    • ORD 14:30
      4h 55m
      Direct
      SFO 17:25
      Chicago - San Francisco | Tue, Nov 17 | United Airlines
      US$327 US$409
      20% off
      20% off
      US$409 US$327
    • ORD 20:56
      4h 59m
      Direct
      SFO 23:55
      Chicago - San Francisco | Tue, Nov 17 | American Airlines
      US$269
      34% off
      US$409 US$269
    • ORD 06:30
      6h 47m
      1 stop
      SFO 11:17
      Chicago - San Francisco | Wed, Nov 18 | Frontier Airlines
      US$131
      68% off
      US$409 US$131
    • ORD 06:45
      4h 55m
      Direct
      SFO 09:40
      Chicago - San Francisco | Wed, Nov 18 | American Airlines
      US$170
      57% off
      US$409 US$170
    • ORD 12:42
      4h 53m
      Direct
      SFO 15:35
      Chicago - San Francisco | Wed, Nov 18 | United Airlines
      US$226
      45% off
      US$409 US$226
    • ORD 17:55
      7h 36m
      1 stop
      SFO 23:31
      Chicago - San Francisco | Wed, Nov 18 | Delta Air Lines
      US$176
      56% off
      US$409 US$176
    • ORD 06:30
      6h 47m
      1 stop
      SFO 11:17
      Chicago - San Francisco | Thu, Nov 19 | Frontier Airlines
      US$216
      47% off
      US$409 US$216
    • CHI 13:00
      17h 25m
      1 stop
      SFO 14:00
      Chicago - San Francisco | Tue, Nov 17 | Normal Airline
      Find more flights
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    • ORD 07:00
      4h 47m
      Direct
      SFO 09:47
      Chicago - San Francisco | Sat, Nov 21 | United Airlines
      US$330 US$403
      18% off
      18% off
      US$403 US$330
    • ORD 12:40
      4h 50m
      Direct
      SFO 15:30
      Chicago - San Francisco | Tue, Dec 8 | United Airlines
      US$182 US$403
      55% off
      55% off
      US$403 US$182
    • ORD 10:25
      4h 50m
      Direct
      SFO 13:15
      Chicago - San Francisco | Fri, Dec 11 | United Airlines
      US$198 US$403
      51% off
      51% off
      US$403 US$198
    • ORD 12:40
      4h 50m
      Direct
      SFO 15:30
      Chicago - San Francisco | Fri, Dec 4 | United Airlines
      US$209
      48% off
      US$403 US$209
    • ORD 10:25
      4h 50m
      Direct
      SFO 13:15
      Chicago - San Francisco | Wed, Dec 9 | United Airlines
      US$217
      46% off
      US$403 US$217
    • ORD 10:25
      4h 50m
      Direct
      SFO 13:15
      Chicago - San Francisco | Tue, Dec 15 | United Airlines
      US$225
      44% off
      US$403 US$225
    • ORD 10:25
      4h 50m
      Direct
      SFO 13:15
      Chicago - San Francisco | Thu, Dec 10 | United Airlines
      US$228
      43% off
      US$403 US$228
    • ORD 10:25
      4h 50m
      Direct
      SFO 13:15
      Chicago - San Francisco | Mon, Dec 14 | United Airlines
      US$242
      40% off
      US$403 US$242
    • ORD 10:25
      4h 50m
      Direct
      SFO 13:15
      Chicago - San Francisco | Mon, Dec 7 | United Airlines
      US$248
      38% off
      US$403 US$248
    • 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 US$86) 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 US$343. November is usually the most expensive month, with an average price reaching US$869.

US$869
US$606
US$343
US$80
    Cheapest
  • US$869
    Nov
  • US$504
    Dec
  • US$483
    Jan
  • US$421
    Feb
  • US$565
    Mar
  • US$507
    Apr
  • US$476
    May
  • US$591
    Jun
  • US$607
    Jul
  • US$541
    Aug
  • US$343
    Sep
  • US$424
    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 US$242. It is best to avoid December, when the average price can reach US$315.

US$315
US$279
US$242
US$206
    Cheapest
  • US$305
    Nov
  • US$315
    Dec
  • US$295
    Jan
  • US$301
    Feb
  • US$299
    Mar
  • US$249
    Apr
  • US$261
    May
  • US$282
    Jun
  • US$274
    Jul
  • US$284
    Aug
  • US$242
    Sep
  • US$251
    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.

US$340
US$284
US$227
US$171
    Cheapest
  • US$314
    Mon
  • US$263
    Tue
  • US$233
    Wed
  • US$281
    Thu
  • US$276
    Fri
  • US$227
    Sat
  • US$340
    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. AA3246

    O'Hare International Airport

    17:20

    ORD

    5h 9m

    20:29

    SFO

    S M T W T F S
    Search

  2. F91483

    O'Hare International Airport

    11:47

    ORD

    2h 59m

    Direct

    13:46

    DEN

    S M T W T F S
    Search

  3. F91229

    Denver International Airport

    08:54

    DEN

    2h 54m

    Direct

    10:48

    SFO

    S M T W T F S

  4. DL2041

    O'Hare International Airport

    06:30

    ORD

    4h 45m

    Direct

    09:15

    SEA

    S M T W T F S
    Search

  5. DL1412

    Seattle-Tacoma International Airport

    11:00

    SEA

    2h 15m

    Direct

    13:15

    SFO

    S M T W T F S

  6. F91596

    O'Hare International Airport

    10:19

    ORD

    2h 13m

    Direct

    13:32

    ATL

    S - - W T F S
    Search

  7. F91447

    Hartsfield–Jackson Atlanta International Airport

    17:58

    ATL

    5h 42m

    Direct

    20:40

    SFO

    S M T W T - S

  8. F92145

    O'Hare International Airport

    07:40

    ORD

    4h 12m

    Direct

    09:52

    LAS

    - - - - - F S
    Search

  9. F93801

    Harry Reid International Airport

    11:29

    LAS

    1h 51m

    Direct

    13:20

    SFO

    S - T - T F S

  10. AS587

    O'Hare International Airport

    08:00

    ORD

    4h 41m

    Direct

    10:41

    SEA

    S M T W T F S
    Search

  11. AS655

    Seattle-Tacoma International Airport

    11:43

    SEA

    2h 27m

    Direct

    14:10

    SFO

    S M T W 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. DL1716

    O'Hare International Airport

    13:35

    ORD

    1h 25m

    Direct

    16:00

    DTW

    S M T W T F S
    Search

  15. DL1327

    Detroit Metropolitan Wayne County Airport

    20:20

    DTW

    5h 19m

    Direct

    22:39

    SFO

    S M T W T F S

  16. AS583

    O'Hare International Airport

    09:00

    ORD

    4h 57m

    Direct

    11:57

    SEA

    S M T W T F S
    Search

  17. AS590

    Seattle-Tacoma International Airport

    19:36

    SEA

    2h 12m

    Direct

    21:48

    SFO

    S - - 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 US$315 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 US$86, and round-trip fares start from US$193. 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 US$241. 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 US$86. 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.