The cheapest flights to San Diego Intl. found within the past 7 days were $333 round trip and $168 one way. Prices and availability subject to change. Additional terms may apply.
To find the best deals on flights to St. Louis from San Diego with American Airlines, just enter your travel dates, filter by American Airlines, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.
If you’re planning a round trip, booking return flights with American Airlines is usually the most cost-effective option. With airfares ranging from $333 to $356, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply.
A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way American Airlines flight from St. Louis to San Diego costs from $168. Prices and availability subject to change. Additional terms may apply.
To find a cheap American Airlines flight from St. Louis STL to San Diego SAN, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference.
If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as October, or if you book a flight with a stopover.
If you’re keen to be on San Diego soil fast, don’t waste time with a stopover—filter your search results to show direct American Airlines flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it.
Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.
At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.
Number of Flights
|DFW||USA||Dallas-Fort Worth Intl.||599|
|DCA||USA||Ronald Reagan Washington National||152|
|PHX||USA||Sky Harbor Intl.||141|
|LAX||USA||Los Angeles Intl.||81|
Reviewed on Aug 20, 2021
Reviewed on May 12, 2022
Reviewed on Jun 17, 2021