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

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 US$39) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From US$39
Alaska Airlines
From US$140
Delta Air Lines
From US$142
American Airlines
From US$189
Hahn Air
From US$212
United Airlines
From US$228

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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

    22:42

    DEN

    2h 53m

    Direct

    00:35

    SFO

    S M T W T F S

  3. F93107

    St. Louis Lambert International Airport

    14:47

    STL

    3h 52m

    Direct

    16:39

    LAS

    S - - W T - S
    Search

  4. F94157

    Harry Reid International Airport

    18:30

    LAS

    1h 50m

    Direct

    20:20

    SFO

    - M T W - F 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

    09:59

    SEA

    2h 27m

    Direct

    12:26

    SFO

    S M T W T F S

  7. F94567

    St. Louis Lambert International Airport

    19:54

    STL

    2h 31m

    Direct

    21:25

    DEN

    S - T - T F -
    Search

  8. F91229

    Denver International Airport

    08:20

    DEN

    2h 53m

    Direct

    10:13

    SFO

    S M T - T F -

  9. DL1626

    St. Louis Lambert International Airport

    06:45

    STL

    1h 33m

    Direct

    09:18

    DTW

    S M T W T F S
    Search

  10. DL728

    Detroit Metropolitan Wayne County Airport

    12:15

    DTW

    5h 8m

    Direct

    14:23

    SEA

    S M T W T F S

  11. AS619

    Seattle-Tacoma International Airport

    19:36

    SEA

    2h 13m

    Direct

    21:49

    SFO

    S M T W T - S

  12. F93107

    St. Louis Lambert International Airport

    14:47

    STL

    3h 52m

    Direct

    16:39

    LAS

    S - - W T - S
    Search

  13. F93019

    Harry Reid International Airport

    07:45

    LAS

    1h 55m

    Direct

    09:40

    SFO

    S M T W T F S

  14. F94567

    St. Louis Lambert International Airport

    19:54

    STL

    2h 31m

    Direct

    21:25

    DEN

    S - T - T F -
    Search

  15. F91093

    Denver International Airport

    17:35

    DEN

    2h 56m

    Direct

    19:31

    SFO

    S - - W T - S

  16. DL1492

    St. Louis Lambert International Airport

    17:00

    STL

    3h 26m

    Direct

    19:26

    SLC

    S M T W T F S
    Search

  17. DL1373

    Salt Lake City International Airport

    22:45

    SLC

    2h 6m

    Direct

    23:51

    PDX

    S M T W T F S

  18. AS236

    Portland International Airport

    14:45

    PDX

    2h 1m

    Direct

    16:46

    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 US$33
Cheapest return ticket price US$200

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 49 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 08:30, with about 2 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 US$575 in October, 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 523 flights per month.
  • One-way flights from St. Louis Lambert International Airport to San Francisco International Airport currently start from US$33, and round-trip fares start from US$200. The current lowest fare is a Frontier Airlines flight departing on Tue, Nov 17; 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 44 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 US$286. Prices may vary depending on the departure date, airline, and availability.
  • St. Louis Lambert International Airport to San Francisco International Airport operates around 13 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 estimated lowest prices and include all taxes and fees found in the last 24 hours.

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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.