Cheap Flights from San Francisco (SFO) to St. Louis (CPS)

Popular airlines from San Francisco International Airport (SFO) to St. Louis, MO (CPS-St. Louis Downtown)

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Flight from San Francisco to St. Louis (SFO - CPS) route information
Origin airport
San Francisco Intl.
Destination airport
St. Louis Downtown
Distance
2791 km

San Francisco to East 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 airlines that cover this route. There are nonstop flights to St. Louis Downtown, 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 St. Louis Downtown, CPS 

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 rising to .  

Here are more money-saving tips: 

  • Fly in 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 CPS?
Start packing your bags, because round-trip flights from San Francisco Intl. Airport (SFO) to St. Louis Downtown Airport start from . That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can change quickly, so book today to nab 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 CPS?
Most flights can be cancelled online, but whether or not you are charged a fee all comes down to your airline. If you do need to cancel your trip, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from SFO to St. Louis Downtown Airport that have flexible change policies?
Plenty of carriers offer the option to reschedule your flight without a change fee. All you pay is the cost difference between flights. When looking for SFO to St. Louis Downtown Airport flights, you'll see a "No change fees" box for you to pick.
How far is the flight from San Francisco Intl. Airport (SFO) to St. Louis Downtown Airport?
It's around 2,800 kilometres between San Francisco and East St. Louis, so expect to be in your seat for a while. Keep yourself occupied with things like crossword puzzles or a gripping book.
Which airlines fly direct from San Francisco Airport to St. Louis Downtown Airport (CPS)?
Flying nonstop between San Francisco Airport and CPS isn't possible at this time. However, you'll still be able to find a flight to East St. Louis with at least one stop.
Are San Francisco Intl. Airport (SFO) to CPS flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally nab a bargain, with some super cheap airfares from San Francisco Airport to St. Louis Downtown Airport (CPS) showing up a few weeks prior to the departure date. If you'd rather plan ahead, Expedia compares and updates all the best flight deals regularly — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines release prices so far in advance.

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St. Louis nearby Airports

St. Louis

San Francisco to Lambert-St. Louis Intl.
CA $428.44
*Available to Expedia members.