£152 Cheap Flights from St. Louis (STL) to San Diego (SAN)

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

Prices were available within the past 7 days and start at £152 for one-way flights and £196 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 4 Sep - Mon, 16 Sep
STL
St. Louis
SAN
San Diego
£196 Return, found 3 days ago
£196
Return
found 3 days ago
Select Delta flight, departing Wed, 4 Sep from St. Louis to San Diego, returning Mon, 16 Sep, priced at £196 found 3 days ago
Delta
Thu, 11 Jul - Wed, 17 Jul
STL
St. Louis
SAN
San Diego
£197 Return, found 4 days ago
£197
Return
found 4 days ago
Select Delta flight, departing Thu, 11 Jul from St. Louis to San Diego, returning Wed, 17 Jul, priced at £197 found 4 days ago
Delta
Mon, 30 Sep - Tue, 15 Oct
STL
St. Louis
SAN
San Diego
£200 Return, found 3 days ago
£200
Return
found 3 days ago
Select Delta flight, departing Mon, 30 Sep from St. Louis to San Diego, returning Tue, 15 Oct, priced at £200 found 3 days ago
Delta
Mon, 28 Oct - Tue, 12 Nov
STL
St. Louis
SAN
San Diego
£204 Return, found 3 days ago
£204
Return
found 3 days ago
Select Delta flight, departing Mon, 28 Oct from St. Louis to San Diego, returning Tue, 12 Nov, priced at £204 found 3 days ago
Delta
Thu, 11 Jul - Sat, 20 Jul
STL
St. Louis
SAN
San Diego
£217 Return, found 4 days ago
£217
Return
found 4 days ago
Select Delta flight, departing Thu, 11 Jul from St. Louis to San Diego, returning Sat, 20 Jul, priced at £217 found 4 days ago
Delta
Mon, 7 Oct - Sun, 27 Oct
STL
St. Louis
SAN
San Diego
£220 Return, found 3 days ago
£220
Return
found 3 days ago
Select Delta flight, departing Mon, 7 Oct from St. Louis to San Diego, returning Sun, 27 Oct, priced at £220 found 3 days ago
Delta
Fri, 1 Nov - Tue, 12 Nov
STL
St. Louis
SAN
San Diego
£225 Return, found 3 days ago
£225
Return
found 3 days ago
Select Delta flight, departing Fri, 1 Nov from St. Louis to San Diego, returning Tue, 12 Nov, priced at £225 found 3 days ago
American Airlines
Mon, 20 May - Thu, 20 Jun
STL
St. Louis
SAN
San Diego
£251 Return, found 21 hours ago
£251
Return
found 21 hours ago
Select American Airlines flight, departing Mon, 20 May from St. Louis to San Diego, returning Thu, 20 Jun, priced at £251 found 21 hours ago
Delta
Tue, 10 Sep - Sun, 29 Sep
STL
St. Louis
SAN
San Diego
£254 Return, found 3 days ago
£254
Return
found 3 days ago
Select Delta flight, departing Tue, 10 Sep from St. Louis to San Diego, returning Sun, 29 Sep, priced at £254 found 3 days ago
Delta
Mon, 28 Oct - Sun, 17 Nov
STL
St. Louis
SAN
San Diego
£258 Return, found 3 days ago
£258
Return
found 3 days ago
Select Delta flight, departing Mon, 28 Oct from St. Louis to San Diego, returning Sun, 17 Nov, priced at £258 found 3 days ago
Flight from St. Louis to San Diego route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
San Diego Intl.
Airlines serving
American Airlines, Delta, United
Return price
£195
Distance
2487 km
Average flight time
2 hours 44 mins

Compare flights from St. Louis to San Diego easily and book in confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from St. Louis to San Diego. Operating between them 3 flights per day, 20 airlines cover the route. And Southwest Airlines fly direct, getting you to San Diego Intl. in just 0hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Lambert-St. Louis Intl. to San Diego Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Lambert-St. Louis Intl. (STL) to San Diego Intl. (SAN) 

The easiest way to view the best deals on flights from St. Louis to San Diego today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Lambert-St. Louis Intl. to San Diego Intl. start at just £196 and range up to £258.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near St. Louis and San Diego
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your St. Louis to San Diego flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Lambert-St. Louis Intl. to San Diego Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from STL to San Diego Intl. Airport (SAN)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip flight between STL and SAN was £196. Fares this cheap don’t hang around, so book yours today. 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 Diego Airport?
Most flights can be conveniently cancelled online, but whether or not you incur a fee depends on 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 Lambert-St. Louis Intl. Airport (STL) to San Diego 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 STL to San Diego Intl. Airport (SAN) flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from St. Louis Lambert International Airport to SAN?
It’s around 2,500 kilometres between St. Louis and San Diego, so you’ll be up in the air for a while. Keep yourself occupied by packing things like crossword puzzles or a gripping book.
Which airlines fly direct from Lambert Field to San Diego Airport?
Southwest Airlines (WN) will fly you from Lambert-St. Louis Intl. Airport (STL) to San Diego Intl. Airport (SAN) comfortably and safely. Choose from 30 flights every month on this route.
Are Lambert-St. Louis Intl. Airport (STL) to San Diego Intl. Airport (SAN) flight tickets cheaper when they're purchased at the last minute?
It is possible to score amazing last-minute deals from STL to San Diego Airport, but it’s also possible to miss out entirely! As many airlines release seats up to 12 months in advance, it’s worthwhile keeping an eye on fares early and being ready to book when you see a good bargain. Expedia compares carrier prices and updates flight deals regularly, so you can rest assured you’re always getting the latest offers.
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