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

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Flight from St. Louis to San Diego route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
San Diego Intl.
Distance
2487 km
Average flight time
2 hours 10 mins

Frequently asked questions

How much is an American Airlines flight from Lambert-St. Louis Intl. Airport (STL) to San Diego Intl. Airport (SAN)?
You'll discover cheap round-trip American Airlines flights from STL to SAN by organising your results from "Price (lowest to highest)" on Expedia. Or search for deals for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from STL to SAN with American Airlines?
American Airlines flights to San Diego are usually cheaper in the quieter months of January and November. Whether you're after a one-way or round-trip ticket, you could find a better deal then.
Does American Airlines fly nonstop from Lambert-St. Louis Intl. Airport (STL) to San Diego Intl. Airport (SAN)?
Use the "Nonstop" filter when browsing for direct American Airlines flights from STL to SAN. You'll also be able to compare other carriers offering the same direct trip.
What airports does American Airlines fly into in San Diego?
San Diego Intl. Airport (SAN) is the main San Diego gateway for American Airlines flights from Lambert-St. Louis Intl. Airport (STL).
Can I change or cancel my American Airlines flight from Lambert-St. Louis Intl. Airport (STL) to San Diego Intl. Airport (SAN)?
In most cases, you can cancel or modify your flight, although there may be additional fees if your booking was made over 24 hours ago. Prefer to keep your options open? Make use of our "No cancel fee" and "Changes included" filters to find flights that won't charge extra if you have to adjust your plans. To modify your itinerary, head to "Trips," select your flight and click on "Manage Booking" for more details.
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