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Flights from San Francisco to St. Louis

Cheap flight deals from San Francisco to St. Louis

Non stop flight deals! Book direct flights from San Francisco to St. Louis: One way flights from KWD 43, round trip flights from KWD 89. Cheapest next 3 months.

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

Flight Info | San Francisco to St. Louis

The distance between San Francisco and St. Louis is about 2,805.34 km. It takes around 4 hours 34 minutes on average to fly from San Francisco to St. Louis. The most popular month to St. Louis is April. The off-season for travel is May.

Cheapest one-way flight price KWD 30
Cheapest return ticket price KWD 59
Off-season for travel May
Peak season for travel April
Flight distance 2,805.34 km
Average flight time 4 hours 34 minutes

When is the cheapest time to fly from San Francisco to St. Louis?

The cheapest time for San Francisco to St. Louis flights: Aug 17 to Aug 24 — one way flight prices from KWD 29.

Cheapest flights
From price
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  • 6 13
  • 13 20
  • 20 27

  • Aug

    27 3
  • 3 10
  • 10 17
  • 17 24
  • 24 31

  • Sep

    31 7
  • 7 14
  • 14 21
  • 21 28
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are 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 lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from San Francisco (SFO) to St. Louis (STL) cost?

    According to Trip.com's data, the lowest price is around KWD 110.

  • How long does it take to fly from San Francisco (SFO) to St. Louis (STL)?

    It takes about 4 hours 34 minutes to fly from San Francisco (SFO) to St. Louis (STL).

  • 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): United Airlines, Southwest Airlines, Air New Zealand and Asiana Airlines.

  • How many airports are there in St. Louis (STL)?

    There are 2 airport(s) near St. Louis (STL): St. Louis Downtown Airport and St. Louis Lambert International Airport.

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
Being flexible with your dates to get the cheapest San Francisco to St. Louis ticket.
Tap "Date" on flight search bar to scan through the calender for San Francisco to St. Louis airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Sat, Aug 23 at KWD 43 for one-way flights.
2
Compare cheap San Francisco to St. Louis flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from San Francisco to St. Louis. The cheapest airline operating is United Airlines.
3
Set up a Price Alert
By setting up a Price Alert for your San Francisco to St. Louis route, you can easily track the price of your airline tickets from without manually checking every day.
4
Don't miss cheap San Francisco to St. Louis flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com and search for cheap flight tickets from San Francisco to St. Louis to get exclusive deals for you.

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