Search flights from Saint Louis (STL) to San Diego (SAN)

Book your plane tickets from Saint Louis to San Diego with ease

Cheapest flights to San Diego

The cheapest flights available in the next 60 days – prices are updated regularly

Flying from Saint Louis to San Diego: things to know

The most popular route is from Lambert - St. Louis International Airport in Saint Louis to San Diego International Airport in San Diego. On average this flight takes 6 hours 28 minutes one-way and costs $555 round-trip.

Most popular route
Lambert - St. Louis International Airport (STL) to San Diego International Airport (SAN)
Average flight time
6 hours 28 minutes
Average round-trip price
$555
Fly from Saint Louis to San Diego
7 airlines

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Airlines that fly from Saint Louis to San Diego

Airline options may vary according to recently booked flights and your search terms

  • American Airlines
  • Frontier Airlines
  • Spirit Airlines
  • United Airlines
  • Alaska Airlines
  • Southwest Airlines
  • Hawaiian Airlines

Frequently asked questions

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