$51 Cheap Flights from St. Louis to San Diego

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Find The Best Dates To Fly from Lambert-St. Louis Intl. to San Diego Intl.

Amazing STL to SAN Flight Deals

The cheapest flights to San Diego Intl. found within the past 7 days were $102 round trip and $51 one way. Prices and availability subject to change. Additional terms may apply.

Best San Diego Intl. Flight and Hotel Packages

San Diego Intl. flight + hotel packages - economy flights

Holiday Inn Express Mira Mesa-San Diego, an IHG Hotel
Blue Sea Beach Hotel
Country Inn & Suites by Radisson, San Diego North, CA
San Diego Mission Bay Resort
Tower23 Hotel
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Frequently asked questions

 

Traveling From Lambert-St. Louis Intl.
Traveling To San Diego Intl.
Shortest Flight Time 0 hours 20 mins
Earliest Departure Time 5:35AM PDT
Latest Departure Time 12:10PM PDT
Lowest Flight Price $102

Route Info

Flight path for flights from Lambert-St. Louis International Airport to San Diego International Airport

Distance:
1,562.00 miles

Airlines & Aircraft Used on STL to SAN Flight Routes

Airline Carrier
Aircraft
American Airlines
Harbin Yunshuji Y12
United Airlines
De Havilland Canada DHC-6 Twin Otter
United Airlines
Harbin Yunshuji Y12

Discover our best flights from St. Louis STL to San Diego SAN. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from St. Louis STL to San Diego SAN at the right price  

Airfares to San Diego SAN from St. Louis STL currently cost between $102 and $134. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from St. Louis STL to San Diego SAN 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from St. Louis STL to San Diego SAN on Travelocity starting at $51. Prices and availability subject to change. Additional terms may apply. 

 

Get to San Diego SAN from St. Louis STL quicker with direct flights. 

Get to San Diego faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to SAN from STL to take around 0 hour(s) 20 min(s).  

 

Find our cheapest airfares for flights from St. Louis STL to San Diego SAN

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to SAN from STL. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from St. Louis STL to San Diego SAN today 

If you’re flexible about when you travel, September is usually the cheapest month to fly from St. Louis STL to San Diego SAN. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to San Diego SAN from St. Louis STL 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to SAN from STL have this option.  

 

Travel with confidence when you book flights to San Diego SAN from St. Louis STL with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.