
Popular airlines from San Francisco International Airport (SFO) to Lambert-St. Louis International Airport (STL)
- American Airlines
American Airlines
- Alaska Airlines
Alaska Airlines
- Delta
Delta
- Plan, book, fly with confidence
trending down icon Be in the knowGet alerts if flight prices drop or rise*bex rewards loyalty icon Book smarterSave up to 30% on select hotels after you book a flight*payments icon
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.










Find the cheapest month to fly from San Francisco (SFO) to St. Louis (STL)
October is typically the cheapest month to fly
Graph displaying average flight prices per month
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
Explore a world of travel with Expedia
- Trending Routes
- Trending Flights
- Top Flights Destinations
- Other Airlines
- Main Airports for Flights
- Cheap Flights from Other Airports
- Expedia's Latest Trends
Top Routes from San Francisco
- San Francisco to Newark Liberty Intl. Airport (SFO - EWR)
- San Francisco to Auckland (SFO - AKL)
- San Francisco to Calgary (SFO - YYC)
- San Francisco to Los Angeles (SFO - LAX)
- San Francisco to Honolulu (SFO - HNL)
- San Francisco to New York (SFO - LGA)
- San Francisco to Delhi (SFO - DEL)
- San Francisco to New York (SFO - JFK)
- San Francisco to Montreal (SFO - YUL)
- San Francisco to Tokyo (SFO - NRT)
- San Francisco to Buffalo (SFO - BUF)
- San Francisco to Vancouver (SFO - YVR)
Top Routes to St. Louis
- Ottawa to St. Louis (YOW - STL)
- Calgary to St. Louis (YYC - STL)
- Detroit to St. Louis (DTW - STL)
- Charlottetown to St. Louis (YYG - STL)
- Winnipeg to St. Louis (YWG - STL)
- Halifax to St. Louis (YHZ - STL)
- Victoria to St. Louis (YYJ - STL)
- Denver to St. Louis (DEN - STL)
- Grand Forks to St. Louis (GFK - STL)
- Seattle to St. Louis (SEA - STL)
- Montreal to St. Louis (YUL - STL)
- Buffalo to St. Louis (BUF - STL)
Top Flight Destinations
- Flights to Las Vegas
- Flights to New York
- Flights to Orlando
- Flights to Chicago
- Flights to Myrtle Beach
- Flights to San Diego
- Flights to Panama City Beach
- Flights to Destin
- Flights to Los Angeles
- Flights to Ocean City
- Flights to Miami
- Flights to Boston
- Flights to Nashville
- Flights to Atlantic City
- Flights to Pigeon Forge
- Flights to Atlanta
- Flights to San Francisco
- Flights to Virginia Beach
- Flights to Gulf Shores
- Flights to Seattle
Oakland
Expedia's Latest Trends
- YOW to LAS flights
- YVR to SAN flights
- YVR to LAS flights
- YYZ to PHL flights
- YEG to LAX flights
- YYZ to SEA flights
- YYZ to SAN flights
- YYZ to MYR flights
- YYZ to NYC flights
- YUL to LAS flights
- DTW to LAS flights
- YVR to SEA flights
- YYC to LAX flights
- YUL to FLL flights
- YWG to LAS flights
- YUL to LAX flights
- YWG to LAX flights
- YYC to SEA flights
- LAX to YYZ flights
- BUF to FLL flights
- YYZ to FLL flights
- YYC to SFO flights
- BLI to LAS flights
- SEA to DEL flights
- YVR to PSP flights
- YVR to LAX flights
- YVR to DFW flights
- YYZ to LAS flights
- YYZ to LAX flights
- YEG to SEA flights