How much should you expect to spend for a flight from Saint Louis to San Diego McClellan Palomar?

Flight prices from Saint Louis to San Diego change depending on demand and time of booking.

Pick a travel date to see today’s available fares.

Studies show that flying midweek — like on a Tuesday or Wednesday — can be cheaper than weekend flights. Still, airfares change frequently, so check updated prices on Jetcost.

Which airports serve Saint Louis and San Diego?

When planning a trip of about 1549 mi, it's a good idea to check flights from surrounding airports too.

• Airports in Saint Louis: Saint Louis - Lambert is the only operational airport in the area.
• Airports in San Diego: The only active airport in San Diego is San Diego - McClellan-Palomar.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Adjust your flight filters for Saint Louis – San Diego McClellan Palomar

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from agencies like Expedia, eDreams, and more.

Other popular destinations

Planning a trip to United States? These cities are popular too: Atlanta, Los Angeles, Miami, New York City, Orlando.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.