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Cheap Flights from San Francisco to St. Louis
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Cheap Flights from San Francisco to St. Louis starting at S$ 72

Book one-way or return flights from San Francisco to St. Louis from as little as S$ 72. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip
      • SFO00:58
        6h 49m
        1 stop
        STL09:47
        Wed, May 1|San Francisco - St. Louis|Frontier Airlines
        S$ 72S$ 109
        34% OFF
        34% OFF
        S$ 109S$ 72
      • SFO11:43
        7h 20m
        1 stop
        STL21:03
        Mon, May 13|San Francisco - St. Louis|Frontier Airlines
        S$ 74S$ 109
        32% OFF
        32% OFF
        S$ 109S$ 74
      • SFO00:58
        12h 52m
        1 stop
        STL15:50
        Tue, May 7|San Francisco - St. Louis|Frontier Airlines
        S$ 77S$ 109
        28% OFF
        28% OFF
        S$ 109S$ 77
      • SFO00:58
        6h 49m
        1 stop
        STL09:47
        Mon, May 6|San Francisco - St. Louis|Frontier Airlines
        S$ 78
        S$ 78
      • SFO12:07
        7h 32m
        1 stop
        STL21:39
        Tue, May 21|San Francisco - St. Louis|Frontier Airlines
        S$ 79
        S$ 79
      • SFO21:47
        10h 31m
        1 stop
        STL10:18
        Sat, May 11|San Francisco - St. Louis|Frontier Airlines
        S$ 81
        S$ 81
      • SFO20:00
        15h 9m
        1 stop
        STL13:09
        Mon, May 20|San Francisco - St. Louis|Frontier Airlines
        S$ 82
        S$ 82
      • SFO22:40
        9h 38m
        1 stop
        STL10:18
        Thu, May 9|San Francisco - St. Louis|Frontier Airlines
        S$ 82
        S$ 82
      • SFO00:58
        11h 31m
        1 stop
        STL14:29
        Sun, May 5|San Francisco - St. Louis|Frontier Airlines
        S$ 82
        S$ 82
      • SFO11:43
        6h 56m
        1 stop
        STL20:39
        Wed, May 8|San Francisco - St. Louis|Frontier Airlines
        S$ 83
        S$ 83
      • SFO13:00
        3h 5m
        Direct
        STL14:00
        Fri, May 3|San Francisco - St. Louis|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from San Francisco to St. Louis? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from San Francisco to St. Louis. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.
Cheapest Airlines flying from San Francisco to St. Louis

View airlines operating flights from San Francisco to St. Louis. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From S$ 72
Delta Air Lines
From S$ 123
American Airlines
From S$ 131
United Airlines
From S$ 149
Sun Country Airlines
From S$ 169
Alaska Airlines
From S$ 185
Southwest Airlines
From S$ 241
Jetblue Airways
From S$ 343
ANA airlines

Find more flights and airlines

Alternative Routes from San Francisco to St. Louis

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from San Francisco to St. Louis.

  • Cheapest
    Frontier Airlines
    SFO
    00:58
    6h 49m
    1 transfer
    STL
    09:47
    San Francisco International Airport - St. Louis Lambert International Airport
    Wed, May 1Frontier Airlines
    S$ 72
  • Frontier Airlines
    SFO
    00:58
    6h 49m
    1 transfer
    STL
    09:47
    San Francisco International Airport - St. Louis Lambert International Airport
    Wed, May 1Frontier Airlines
    S$ 72
    Find More Flights

Frequently Asked Questions

  • When to buy flight tickets from San Francisco (SFO) to St. Louis (STL) the cheapest?

    Airlines adjust prices for flights from San Francisco to St. Louis based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much is a flight from San Francisco (SFO) to St. Louis (STL) cost?

    According to Trip.com's data, the lowest price is around S$ 406.

  • How long is a flight from San Francisco (SFO) to St. Louis (STL)?

    It takes about 3 hours 40 minutes to fly from San Francisco (SFO) to St. Louis (STL).

  • What is the transportation method from the main airport to downtown in St. Louis?

    • The distance from St. Louis Lambert International Airport to downtown is about 20km, by taxi about 40 minutes.

  • What are the most popular airlines that fly from San Francisco (SFO) to St. Louis (STL)?

    Airlines with flights from San Francisco (SFO) to St. Louis (STL): Southwest Airlines.

  • What's the most popular airline for direct flights from San Francisco (SFO) to St. Louis (STL)?

    Southwest Airlines operates 2 direct flights from San Francisco (SFO) to St. Louis (STL).

  • How many airports in St. Louis?

How to find a cheap flight from San Francisco to St. Louis

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from San Francisco to St. Louis. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com
Flight Information from San Francisco to St. Louis

Cheapest direct flight price

S$ 72

Cheapest return ticket price

S$ 448

Cheapest month

April

Peak season for travel

October

Flight distance

2,805.34km

Average flight time

3 hours 40 minutes

Popular airline

American Airlines

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