CA $243 Cheap Flights from San Diego (SAN) to St. Louis (STL)

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Cheap flights from San Diego (SAN) to St. Louis (STL)

Prices were available within the past 7 days and start at CA $243 for one-way flights and CA $367 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu., May 30 - Wed., Jun. 5
SAN
San Diego
STL
St. Louis
CA $367 Roundtrip, found 6 days ago
CA $367
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu., May 30 from San Diego to St. Louis, returning Wed., Jun. 5, priced at CA $367 found 6 days ago
Alaska Airlines
Thu., May 30 - Wed., Jun. 5
SAN
San Diego
STL
St. Louis
CA $368 Roundtrip, found 6 days ago
CA $368
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Thu., May 30 from San Diego to St. Louis, returning Wed., Jun. 5, priced at CA $368 found 6 days ago
Delta
Thu., Jul. 4 - Wed., Jul. 10
SAN
San Diego
STL
St. Louis
CA $405 Roundtrip, found 16 hours ago
CA $405
Roundtrip
found 16 hours ago
Select Delta flight, departing Thu., Jul. 4 from San Diego to St. Louis, returning Wed., Jul. 10, priced at CA $405 found 16 hours ago
Delta
Thu., May 30 - Wed., Jun. 5
SAN
San Diego
STL
St. Louis
CA $409 Roundtrip, found 6 days ago
CA $409
Roundtrip
found 6 days ago
Select Delta flight, departing Thu., May 30 from San Diego to St. Louis, returning Wed., Jun. 5, priced at CA $409 found 6 days ago
Delta
Thu., Jul. 4 - Wed., Jul. 10
SAN
San Diego
STL
St. Louis
CA $412 Roundtrip, found 16 hours ago
CA $412
Roundtrip
found 16 hours ago
Select Delta flight, departing Thu., Jul. 4 from San Diego to St. Louis, returning Wed., Jul. 10, priced at CA $412 found 16 hours ago
Delta
Thu., Jul. 4 - Wed., Jul. 10
SAN
San Diego
STL
St. Louis
CA $418 Roundtrip, found 16 hours ago
CA $418
Roundtrip
found 16 hours ago
Select Delta flight, departing Thu., Jul. 4 from San Diego to St. Louis, returning Wed., Jul. 10, priced at CA $418 found 16 hours ago
American Airlines
Thu., Jul. 4 - Wed., Jul. 10
SAN
San Diego
STL
St. Louis
CA $422 Roundtrip, found 16 hours ago
CA $422
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Thu., Jul. 4 from San Diego to St. Louis, returning Wed., Jul. 10, priced at CA $422 found 16 hours ago
American Airlines
Thu., Jul. 4 - Wed., Jul. 10
SAN
San Diego
STL
St. Louis
CA $429 Roundtrip, found 16 hours ago
CA $429
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Thu., Jul. 4 from San Diego to St. Louis, returning Wed., Jul. 10, priced at CA $429 found 16 hours ago
American Airlines
Thu., Jul. 4 - Wed., Jul. 10
SAN
San Diego
STL
St. Louis
CA $435 Roundtrip, found 16 hours ago
CA $435
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Thu., Jul. 4 from San Diego to St. Louis, returning Wed., Jul. 10, priced at CA $435 found 16 hours ago
Delta
Thu., Jul. 4 - Wed., Jul. 10
SAN
San Diego
STL
St. Louis
CA $447 Roundtrip, found 16 hours ago
CA $447
Roundtrip
found 16 hours ago
Select Delta flight, departing Thu., Jul. 4 from San Diego to St. Louis, returning Wed., Jul. 10, priced at CA $447 found 16 hours ago
Flight from San Diego to St. Louis (SAN - STL) route information
Origin airport
San Diego Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta
Roundtrip price
CA $366
Distance
2487 km
Average flight time
5 hours 54 mins

San Diego to St. Louis Flights

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

With Expedia, it’s simple to find and book flights to St. Louis from San Diego 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 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 Diego to St. Louis today, tomorrow, or this week.  

 

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

Sort your search results by price to find great deals on your flight from San Diego 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 Diego currently is just CA $367 rising to CA $447.  

Here are more money-saving tips: 

  • Fly in May 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 Diego 

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 Diego Airport to St. Louis Lambert International Airport?
If you’re traveling from San Diego Airport to Lambert Field, round-trip journeys start from CA $367. This price is based on airfares listed within the last 7 days on Expedia for flights departing within the next year, so don’t let a good deal pass you by. Book now and save yourself money and time. 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 Diego Intl. Airport (SAN) to Lambert-St. Louis Intl. Airport (STL)?
The majority of flights can be canceled online, but whether you are charged a fee differs between airlines. If you do need to cancel your getaway, follow the instructions in the Customer Service Portal.
How do I find cheap flights from SAN to St. Louis Lambert International Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for San Diego Airport to Lambert Field flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from San Diego Airport to Lambert-St. Louis Intl. Airport (STL)?
Expect to be cruising at altitude for a while, as the flight distance from SAN to Lambert-St. Louis Intl. Airport (STL) is 2,500 kilometers. Set up a playlist of your favorite tunes before you leave home to stay entertained during your trip.
Which airlines fly direct from San Diego Airport to STL?
Offering 30 flights every month, Southwest Airlines (WN) is a great choice when flying directly from San Diego Intl. Airport (SAN) to Lambert Field.
Are San Diego Airport to Lambert-St. Louis Intl. Airport (STL) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from San Diego Intl. Airport (SAN) to STL at the last minute could be your ticket to a cheap deal. However, it could end up costing you a whole lot more! If you’d prefer to err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to 12 months in advance. If your preferred carrier hasn’t released tickets yet, check back often as deals are updated all the time on Expedia.
*Available to Expedia members.