CA $164 Cheap Flights from St. Louis (STL) to San Francisco (SFO)

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

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

Prices were available within the past 7 days and start at CA $164 for one-way flights and CA $398 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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

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

October is typically the cheapest month to fly

From CA $162 - CA $451 per traveller.

Graph displaying average flight prices per month

Flight from St. Louis to San Francisco (STL - SFO) route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
San Francisco Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
CA $397
Distance
2771 km
Average flight time
2 hours 12 mins

St. Louis to San Francisco Flights

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

With Expedia, it’s simple to find and book flights to San Francisco from St. Louis 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 Southwest Airlines, Asiana Airlines, Air New Zealand, United Airlines nonstop flights to San Francisco 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 St. Louis to San Francisco today, tomorrow, or this week.  

 

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

Sort your search results by price to find great deals on your flight from St. Louis to San Francisco—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to San Francisco from St. Louis currently is just CA $398 rising to CA $473.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to San Francisco  
  • 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 San Francisco from St. Louis 

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 San Francisco with Expedia today.

Frequently asked questions

How much is a flight from Lambert Field to San Francisco Airport?
Round-trip journeys from STL to San Francisco Airport start from CA $398. This figure is based on fares offered within the last 7 days on Expedia for flights departing within the next year — book today to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Lambert-St. Louis Intl. Airport (STL) to San Francisco Airport?
Most flights can be conveniently cancelled online, but whether you are charged a fee all comes down to your airline. If you do have to cancel your escape, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Lambert Field to San Francisco Airport that have flexible change policies?
Use our "No change fees" filter to find flexible travel options for your flight from STL to San Francisco Airport. This allows you to snag a great deal ahead of time and still have the freedom to reschedule without any additional fees. Fare adjustments may apply if your new flight is more expensive.
How many hours is the flight from Lambert-St. Louis Intl. Airport (STL) to San Francisco Intl. Airport (SFO)?
Lasting around 7 hours and 39 minutes, the flight between Lambert Field and SFO is a great opportunity to do some last-minute trip planning. How about using some of this time to fine tune your itinerary for San Francisco?
How far is the flight from STL to SFO?
Around 2,800 kilometres separates St. Louis and San Francisco, so pack some in-flight entertainment to help you fill in a couple of hours. That gripping novel you haven't started will be just the ticket.
Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to San Francisco Airport?
United Airlines (UA) is one of the top choices for many travellers flying between Lambert-St. Louis Intl. Airport (STL) and San Francisco Intl. Airport (SFO). Take your pick of the 30 flights it offers on this route each month. Love some more options? Check out the fares with Southwest Airlines (WN). This carrier offers 26 flights a month between these airports.
Are Lambert-St. Louis Intl. Airport (STL) to SFO flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes score a bargain, with some of the cheapest fares from STL to San Francisco Airport appearing a few weeks before the departure date. If you'd rather plan ahead, Expedia compares and updates the best flight deals frequently — as early as a year in advance in some cases. It does depend on the carrier though, as not every airline releases prices so far in advance.

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