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St. Louis Lambert International Airport to San Francisco International Airport flight

Explore the cheapest one-way and round-trip flights from St. Louis Lambert International Airport to San Francisco International Airport over the next 90 days, with one-way fares from S$ 50 and round-trip from S$ 257. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      STL 19:05
      4h 36m
      Direct
      SFO 21:41
      St. Louis - San Francisco | Sat, Oct 31 | United Airlines
      SFO 11:15
      3h 55m
      Direct
      STL 17:10
      San Francisco - St. Louis | Wed, Nov 4 |
      S$ 562 S$ 669
      16% off
      16% off
      S$ 669 S$ 562
    • STL 19:05
      4h 36m
      Direct
      SFO 21:41
      St. Louis - San Francisco | Sat, Nov 7 | United Airlines
      SFO 12:15
      3h 50m
      Direct
      STL 18:05
      San Francisco - St. Louis | Wed, Nov 11 | United Airlines
      S$ 595 S$ 669
      11% off
      11% off
      S$ 669 S$ 595
    • STL 19:59
      6h 21m
      1 stop
      SFO 00:20
      St. Louis - San Francisco | Sat, Oct 31 | Frontier Airlines
      SFO 06:02
      7h 21m
      1 stop
      STL 15:23
      San Francisco - St. Louis | Wed, Nov 4 | Frontier Airlines
      S$ 257 S$ 669
      62% off
      62% off
      S$ 669 S$ 257
    • STL 16:18
      10h 2m
      1 stop
      SFO 00:20
      St. Louis - San Francisco | Wed, Nov 4 | Frontier Airlines
      SFO 06:02
      11h 12m
      1 stop
      STL 19:14
      San Francisco - St. Louis | Sat, Nov 7 | Frontier Airlines
      S$ 275
      59% off
      S$ 669 S$ 275
    • STL 19:59
      6h 21m
      1 stop
      SFO 00:20
      St. Louis - San Francisco | Sat, Nov 7 | Frontier Airlines
      SFO 19:14
      15h 19m
      1 stop
      STL 12:33
      San Francisco - St. Louis | Wed, Nov 11 | Frontier Airlines
      S$ 297
      56% off
      S$ 669 S$ 297
    • STL 10:35
      9h 46m
      1 stop
      SFO 18:21
      St. Louis - San Francisco | Sat, Nov 7 | Delta Air Lines
      SFO 19:14
      15h 19m
      1 stop
      STL 12:33
      San Francisco - St. Louis | Wed, Nov 11 | Frontier Airlines
      S$ 361
      46% off
      S$ 669 S$ 361
    • STL 12:58
      8h 25m
      1 stop
      SFO 19:23
      St. Louis - San Francisco | Sat, Nov 7 | American Airlines
      SFO 19:14
      15h 19m
      1 stop
      STL 12:33
      San Francisco - St. Louis | Wed, Nov 11 | Frontier Airlines
      S$ 367
      45% off
      S$ 669 S$ 367
    • STL 15:04
      11h 39m
      1 stop
      SFO 00:43
      St. Louis - San Francisco | Sat, Nov 21 | Frontier Airlines
      SFO 19:25
      13h 38m
      1 stop
      STL 11:03
      San Francisco - St. Louis | Fri, Nov 27 | Frontier Airlines
      S$ 380
      43% off
      S$ 669 S$ 380
    • STL 19:59
      6h 21m
      1 stop
      SFO 00:20
      St. Louis - San Francisco | Fri, Nov 13 | Frontier Airlines
      SFO 11:06
      23h 27m
      1 stop
      STL 12:33
      San Francisco - St. Louis | Sun, Nov 15 | Frontier Airlines
      S$ 397
      41% off
      S$ 669 S$ 397
    • STL 13:00
      17h 25m
      1 stop
      SFO 14:00
      St. Louis - San Francisco | Sat, Oct 31 | Normal Airline
      SFO 15:00
      6h
      Direct
      STL 16:00
      San Francisco - St. Louis | Mon, Nov 2 | Normal Airline
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    • Cheapest
      STL 19:54
      15h 45m
      1 stop
      SFO 09:39
      St. Louis - San Francisco | Wed, Dec 9 | Frontier Airlines
      S$ 50 S$ 257
      81% off
      81% off
      S$ 257 S$ 50
    • STL 19:59
      17h 18m
      1 stop
      SFO 11:17
      St. Louis - San Francisco | Mon, Nov 16 | Frontier Airlines
      S$ 98 S$ 257
      62% off
      62% off
      S$ 257 S$ 98
    • STL 19:54
      26h 34m
      1 stop
      SFO 20:28
      St. Louis - San Francisco | Wed, Dec 16 | Frontier Airlines
      S$ 104 S$ 257
      60% off
      60% off
      S$ 257 S$ 104
    • STL 19:59
      6h 21m
      1 stop
      SFO 00:20
      St. Louis - San Francisco | Sat, Oct 31 | Frontier Airlines
      S$ 126
      51% off
      S$ 257 S$ 126
    • STL 19:49
      6h 52m
      1 stop
      SFO 00:41
      St. Louis - San Francisco | Mon, Dec 21 | Frontier Airlines
      S$ 132
      49% off
      S$ 257 S$ 132
    • STL 19:54
      6h 56m
      1 stop
      SFO 00:50
      St. Louis - San Francisco | Mon, Dec 7 | Frontier Airlines
      S$ 133
      48% off
      S$ 257 S$ 133
    • STL 19:54
      6h 56m
      1 stop
      SFO 00:50
      St. Louis - San Francisco | Mon, Dec 14 | Frontier Airlines
      S$ 134
      48% off
      S$ 257 S$ 134
    • STL 19:58
      25h 27m
      1 stop
      SFO 19:25
      St. Louis - San Francisco | Wed, Dec 2 | Frontier Airlines
      S$ 139
      46% off
      S$ 257 S$ 139
    • STL 19:59
      17h 18m
      1 stop
      SFO 11:17
      St. Louis - San Francisco | Fri, Nov 6 | Frontier Airlines
      S$ 174
      32% off
      S$ 257 S$ 174
    • STL 13:00
      17h 25m
      1 stop
      SFO 14:00
      St. Louis - San Francisco | Sat, Oct 31 | Normal Airline
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    • Cheapest nonstop
      STL 08:00
      4h 36m
      Direct
      SFO 10:36
      St. Louis - San Francisco | Tue, Nov 17 | United Airlines
      S$ 285 S$ 752
      62% off
      62% off
      S$ 752 S$ 285
    • STL 08:17
      4h 38m
      Direct
      SFO 10:55
      St. Louis - San Francisco | Wed, Dec 16 | United Airlines
      S$ 302 S$ 752
      60% off
      60% off
      S$ 752 S$ 302
    • STL 08:17
      4h 38m
      Direct
      SFO 10:55
      St. Louis - San Francisco | Tue, Dec 15 | United Airlines
      S$ 303 S$ 752
      60% off
      60% off
      S$ 752 S$ 303
    • STL 08:00
      4h 36m
      Direct
      SFO 10:36
      St. Louis - San Francisco | Mon, Nov 23 | United Airlines
      S$ 305
      59% off
      S$ 752 S$ 305
    • STL 19:05
      4h 33m
      Direct
      SFO 21:38
      St. Louis - San Francisco | Thu, Nov 26 | United Airlines
      S$ 318
      57% off
      S$ 752 S$ 318
    • STL 08:17
      4h 38m
      Direct
      SFO 10:55
      St. Louis - San Francisco | Tue, Dec 8 | United Airlines
      S$ 333
      56% off
      S$ 752 S$ 333
    • STL 08:17
      4h 38m
      Direct
      SFO 10:55
      St. Louis - San Francisco | Wed, Dec 9 | United Airlines
      S$ 333
      56% off
      S$ 752 S$ 333
    • STL 08:00
      4h 36m
      Direct
      SFO 10:36
      St. Louis - San Francisco | Thu, Nov 12 | United Airlines
      S$ 334
      56% off
      S$ 752 S$ 334
    • STL 08:00
      4h 36m
      Direct
      SFO 10:36
      St. Louis - San Francisco | Fri, Nov 6 | United Airlines
      S$ 343
      56% off
      S$ 779 S$ 343
    • STL 13:00
      17h 25m
      1 stop
      SFO 14:00
      St. Louis - San Francisco | Sat, Oct 31 | Normal Airline
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    • Cheapest nonstop
      STL 08:00
      4h 36m
      Direct
      SFO 10:36
      St. Louis - San Francisco | Tue, Nov 17 | United Airlines
      S$ 285 S$ 752
      62% off
      62% off
      S$ 752 S$ 285
    • STL 08:17
      4h 38m
      Direct
      SFO 10:55
      St. Louis - San Francisco | Wed, Dec 16 | United Airlines
      S$ 302 S$ 752
      60% off
      60% off
      S$ 752 S$ 302
    • STL 08:17
      4h 38m
      Direct
      SFO 10:55
      St. Louis - San Francisco | Tue, Dec 15 | United Airlines
      S$ 303 S$ 752
      60% off
      60% off
      S$ 752 S$ 303
    • STL 08:00
      4h 36m
      Direct
      SFO 10:36
      St. Louis - San Francisco | Mon, Nov 23 | United Airlines
      S$ 305
      59% off
      S$ 752 S$ 305
    • STL 19:05
      4h 33m
      Direct
      SFO 21:38
      St. Louis - San Francisco | Thu, Nov 26 | United Airlines
      S$ 318
      57% off
      S$ 752 S$ 318
    • STL 08:17
      4h 38m
      Direct
      SFO 10:55
      St. Louis - San Francisco | Wed, Dec 9 | United Airlines
      S$ 333
      56% off
      S$ 752 S$ 333
    • STL 08:17
      4h 38m
      Direct
      SFO 10:55
      St. Louis - San Francisco | Tue, Dec 8 | United Airlines
      S$ 333
      56% off
      S$ 752 S$ 333
    • STL 08:00
      4h 36m
      Direct
      SFO 10:36
      St. Louis - San Francisco | Thu, Nov 12 | United Airlines
      S$ 334
      56% off
      S$ 752 S$ 334
    • STL 19:05
      4h 36m
      Direct
      SFO 21:41
      St. Louis - San Francisco | Mon, Nov 16 | United Airlines
      S$ 508
      32% off
      S$ 752 S$ 508
    • STL 13:00
      17h 25m
      1 stop
      SFO 14:00
      St. Louis - San Francisco | Sat, Oct 31 | Normal Airline
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    • Cheapest nonstop
      STL 08:00
      4h 36m
      Direct
      SFO 10:36
      St. Louis - San Francisco | Sat, Oct 31 | United Airlines
      S$ 347 S$ 785
      56% off
      56% off
      S$ 785 S$ 347
    • STL 08:00
      4h 36m
      Direct
      SFO 10:36
      St. Louis - San Francisco | Fri, Oct 30 | United Airlines
      S$ 356 S$ 785
      55% off
      55% off
      S$ 785 S$ 356
    • STL 08:00
      4h 36m
      Direct
      SFO 10:36
      St. Louis - San Francisco | Mon, Nov 2 | United Airlines
      S$ 517 S$ 785
      34% off
      34% off
      S$ 785 S$ 517
    • STL 08:00
      4h 36m
      Direct
      SFO 10:36
      St. Louis - San Francisco | Wed, Nov 4 | United Airlines
      S$ 669
      15% off
      S$ 785 S$ 669
    • STL 08:00
      4h 36m
      Direct
      SFO 10:36
      St. Louis - San Francisco | Tue, Nov 3 | United Airlines
      S$ 690
      12% off
      S$ 785 S$ 690
    • STL 19:05
      4h 36m
      Direct
      SFO 21:41
      St. Louis - San Francisco | Sun, Nov 1 | United Airlines
      S$ 698
      11% off
      S$ 785 S$ 698
    • STL 19:59
      6h 21m
      1 stop
      SFO 00:20
      St. Louis - San Francisco | Sat, Oct 31 | Frontier Airlines
      S$ 126
      84% off
      S$ 785 S$ 126
    • STL 19:59
      6h 21m
      1 stop
      SFO 00:20
      St. Louis - San Francisco | Mon, Nov 2 | Frontier Airlines
      S$ 131
      83% off
      S$ 785 S$ 131
    • STL 19:59
      6h 21m
      1 stop
      SFO 00:20
      St. Louis - San Francisco | Fri, Oct 30 | Frontier Airlines
      S$ 176
      78% off
      S$ 785 S$ 176
    • STL 13:00
      17h 25m
      1 stop
      SFO 14:00
      St. Louis - San Francisco | Sat, Oct 31 | Normal Airline
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    • STL 19:05
      4h 33m
      Direct
      SFO 21:38
      St. Louis - San Francisco | Thu, Nov 26 | United Airlines
      S$ 318 S$ 752
      57% off
      57% off
      S$ 752 S$ 318
    • STL 08:00
      4h 36m
      Direct
      SFO 10:36
      St. Louis - San Francisco | Tue, Nov 17 | United Airlines
      S$ 285 S$ 752
      62% off
      62% off
      S$ 752 S$ 285
    • STL 08:00
      4h 36m
      Direct
      SFO 10:36
      St. Louis - San Francisco | Mon, Nov 23 | United Airlines
      S$ 305 S$ 752
      59% off
      59% off
      S$ 752 S$ 305
    • STL 08:00
      4h 36m
      Direct
      SFO 10:36
      St. Louis - San Francisco | Thu, Nov 12 | United Airlines
      S$ 334
      56% off
      S$ 752 S$ 334
    • STL 08:00
      4h 36m
      Direct
      SFO 10:36
      St. Louis - San Francisco | Fri, Nov 6 | United Airlines
      S$ 343
      56% off
      S$ 779 S$ 343
    • STL 08:00
      4h 36m
      Direct
      SFO 10:36
      St. Louis - San Francisco | Fri, Nov 13 | United Airlines
      S$ 346
      56% off
      S$ 779 S$ 346
    • STL 19:05
      4h 36m
      Direct
      SFO 21:41
      St. Louis - San Francisco | Mon, Nov 16 | United Airlines
      S$ 508
      32% off
      S$ 752 S$ 508
    • STL 08:00
      4h 36m
      Direct
      SFO 10:36
      St. Louis - San Francisco | Wed, Nov 4 | United Airlines
      S$ 669
      11% off
      S$ 752 S$ 669
    • STL 08:17
      4h 38m
      Direct
      SFO 10:55
      St. Louis - San Francisco | Wed, Dec 16 | United Airlines
      S$ 302
      60% off
      S$ 752 S$ 302
    • STL 13:00
      17h 25m
      1 stop
      SFO 14:00
      St. Louis - San Francisco | Sat, Oct 31 | Normal Airline
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Which airline offers the cheapest flights from St. Louis Lambert International Airport to San Francisco International Airport?

The cheapest airline flying from St. Louis Lambert International Airport to San Francisco International Airport is Frontier Airlines (from S$ 50) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From S$ 50
Alaska Airlines
From S$ 180
Delta Air Lines
From S$ 183
American Airlines
From S$ 231
United Airlines
From S$ 293
Hahn Air
From S$ 313

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What is the flight schedule from St. Louis Lambert International Airport to San Francisco International Airport?

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. F94567

    St. Louis Lambert International Airport

    19:54

    STL

    2h 31m

    Direct

    21:25

    DEN

    S - T - T F -
    Search

  2. F93439

    Denver International Airport

    22:29

    DEN

    2h 51m

    Direct

    00:20

    SFO

    S M T W T F S

  3. F93107

    St. Louis Lambert International Airport

    13:28

    STL

    3h 44m

    Direct

    15:12

    LAS

    S - - W T - S
    Search

  4. F94157

    Harry Reid International Airport

    15:19

    LAS

    1h 50m

    Direct

    17:09

    SFO

    - M - W T - S

  5. AS473

    St. Louis Lambert International Airport

    07:00

    STL

    4h 31m

    Direct

    09:31

    SEA

    S M T W T F S
    Search

  6. AS528

    Seattle-Tacoma International Airport

    08:54

    SEA

    2h 21m

    Direct

    11:15

    SFO

    S M T W T F S

  7. F91523

    St. Louis Lambert International Airport

    09:09

    STL

    2h 4m

    Direct

    11:13

    DFW

    S - - W T - S
    Search

  8. F93999

    Dallas Fort Worth International Airport

    19:57

    DFW

    4h 16m

    Direct

    22:13

    SFO

    S M T W T - S

  9. F94567

    St. Louis Lambert International Airport

    19:54

    STL

    2h 31m

    Direct

    21:25

    DEN

    S - T - T F -
    Search

  10. F91229

    Denver International Airport

    09:21

    DEN

    2h 56m

    Direct

    11:17

    SFO

    S M T W T F S

  11. DL1626

    St. Louis Lambert International Airport

    06:45

    STL

    1h 33m

    Direct

    09:18

    DTW

    S M T W T F S
    Search

  12. DL728

    Detroit Metropolitan Wayne County Airport

    12:15

    DTW

    5h 8m

    Direct

    14:23

    SEA

    S M T W T F S

  13. AS619

    Seattle-Tacoma International Airport

    19:33

    SEA

    2h 10m

    Direct

    21:43

    SFO

    S M T W T - S

  14. F93107

    St. Louis Lambert International Airport

    13:28

    STL

    3h 44m

    Direct

    15:12

    LAS

    S - - W T - S
    Search

  15. F93801

    Harry Reid International Airport

    17:17

    LAS

    1h 46m

    Direct

    19:03

    SFO

    S - T - T - -

  16. F93107

    St. Louis Lambert International Airport

    13:28

    STL

    3h 44m

    Direct

    15:12

    LAS

    S - - W T - S
    Search

  17. F93019

    Harry Reid International Airport

    07:45

    LAS

    1h 55m

    Direct

    09:40

    SFO

    S M T W T F S

  18. F93107

    St. Louis Lambert International Airport

    13:28

    STL

    3h 44m

    Direct

    15:12

    LAS

    S - - W T - S
    Search

  19. F94401

    Harry Reid International Airport

    11:00

    LAS

    1h 52m

    Direct

    12:52

    SFO

    S M T W T F S
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About St. Louis Lambert International Airport and San Francisco International Airport

Learn about St. Louis Lambert International Airport (STL) and San Francisco International Airport (SFO) — including location, terminals, transportation, and travel tips.

Flight distance 2,790.82km
Cheapest one-way ticket price S$ 50
Cheapest return ticket price S$ 257

FAQs for St. Louis Lambert International Airport to San Francisco International Airport Flights

  • How long is the flight from St. Louis Lambert International Airport to San Francisco International Airport?

    St. Louis Lambert International Airport to San Francisco International Airport takes about 3 hours 56 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 2 daily flights from St. Louis Lambert International Airport (STL) to San Francisco International Airport (SFO).
  • The earliest flight from St. Louis Lambert International Airport to San Francisco International Airport departs at 07:08, and the last departs at 19:05, with about 4 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from St. Louis Lambert International Airport (STL) to San Francisco International Airport (SFO) is quite popular. Without considering departure times or holidays, tickets cost around S$ 461 in November, the most expensive month to book this route.
  • The earliest flight departs from St. Louis Lambert International Airport (STL) at 06:00 and arrives in San Francisco International Airport (SFO) at 08:16.
  • The latest flight departs from St. Louis Lambert International Airport (STL) at 18:00 and arrives in San Francisco International Airport (SFO) at 20:25.
    • 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 523 flights per month.
  • One-way flights from St. Louis Lambert International Airport to San Francisco International Airport currently start from S$ 50, and round-trip fares start from S$ 257. The current lowest fare is a Frontier Airlines flight departing on Wed, Dec 9; prices may vary depending on availability.
  • Yes. United Airlines operate direct flights from St. Louis Lambert International Airport to San Francisco International Airport, with an average flight time of 3 hours 48 minutes, and around 13 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 St. Louis Lambert International Airport to San Francisco International Airport is S$ 347. Prices may vary depending on the departure date, airline, and availability.
  • St. Louis Lambert International Airport to San Francisco International Airport operates around 15 weekly flights, mainly by United Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter St. Louis Lambert 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.

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

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Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to 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 based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.