CA $196 Cheap Flights from San Francisco (SFO) to St. Louis (STL)

Popular airlines from San Francisco International Airport (SFO) to Lambert-St. Louis International Airport (STL)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards

Cheap flights from San Francisco (SFO) to St. Louis (STL)

Prices were available within the past 7 days and start at CA $196 for one-way flights and CA $424 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Alaska Airlines
Hawaiian Airlines
Delta
American Airlines
Alaska Airlines
Alaska Airlines
American Airlines
Delta
United

Find the cheapest month to fly from San Francisco (SFO) to St. Louis (STL)

October is typically the cheapest month to fly

From CA $162 - CA $488 per traveller.

Graph displaying average flight prices per month

Flight from San Francisco to St. Louis (SFO - STL) route information
Origin airport
San Francisco Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta
Roundtrip price
CA $424
Distance
2771 km
Average flight time
6 hours 56 mins

San Francisco to St. Louis Flights

The easy way to book your flights from San Francisco to St. Louis 

With Expedia, it’s simple to find and book flights to St. Louis from San Francisco whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Lambert-St. Louis Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from San Francisco to St. Louis today, tomorrow, or this week.  

 

Save dollars with cheap flights from San Francisco Intl., SFO to Lambert-St. Louis Intl., STL 

Sort your search results by price to find great deals on your flight from San Francisco to St. Louis—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to St. Louis from San Francisco currently is just CA $424 rising to CA $474.  

Here are more money-saving tips: 

  • Fly in August when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to St. Louis  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to St. Louis from San Francisco 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to St. Louis with Expedia today.

Frequently asked questions

How much is a flight from San Francisco Intl. Airport (SFO) to Lambert-St. Louis Intl. Airport (STL)?
Start packing your bags, because round-trip flights from SFO to Lambert-St. Louis Intl. Airport (STL) start from CA $424. That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book today to get the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from San Francisco Airport to Lambert Field?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from SFO to STL that have flexible change policies?
Use our "No change fees" filter to find flexible ticketing options for your flight from San Francisco Intl. Airport (SFO) to Lambert-St. Louis Intl. Airport (STL). This allows you to snag a great price ahead of time and still have the freedom to reschedule without any extra fees. Keep in mind that you'll need to cover the fare difference.
How many hours is the flight from SFO to Lambert Field?
There are plenty of ways to make the 7 hours between San Francisco Airport and STL fly by. If you want to be productive, sort through your photos or delete all those unwanted emails. A nice snooze also helps pass the time!
How far is the flight from San Francisco Airport to Lambert Field?
The flight distance between San Francisco Intl. Airport (SFO) and STL is 2,800 kilometres. Squeeze in a nap or finish off your latest read and the trip will whiz by.
Which airlines fly direct from San Francisco Intl. Airport (SFO) to STL?
There are a few airlines that fly straight from San Francisco Airport to STL. United Airlines (UA) is an excellent choice, offering 30 flights each month. Southwest Airlines (WN) is another option. It offers 26 flights each month. Between these two airlines, you'll be able to find a great deal from San Francisco to St. Louis.
Are SFO to STL flight tickets cheaper when they're purchased at the last minute?
Flight prices always go up and down, so not always. While last-minute deals between San Francisco Intl. Airport (SFO) and Lambert Field are of course possible, it also makes sense to keep an eye on prices well before you fly. In fact, some airlines advertise their prices up to 12 months before the departure date. Expedia is constantly updating the biggest airfare bargains around, so keep checking and be ready to grab your seat when prices drop.

Explore a world of travel with Expedia

San Francisco nearby Airports

Oakland

*Available to Expedia members.