$60 Find Cheap Flights from St. Louis to San Diego - Compare and Save

Southwest operates a non-stop flight from STL to SAN. Airlines such as Frontier, United Airlines, Delta, and American Airlines operate one-stop flights from STL to SAN. Some of the layover cities include Dallas (DFW), Denver (DEN), Minneapolis (MSP), Las Vegas (LAS), and Houston (IAH). American Airlines and United Airlines are among the carriers that operate flights from STL to SAN with two layovers.

Yes. STL has installed Lactation Suites in Gates A10, C9, and E33. Each unit has a comfortable club chair with a full back and a movable arm table, a sink with counter space, and power outlets.

Yes. There are two USO lounges at STL, one in Terminal 1 at Baggage Claim M6. This lounge is open 24h. The other is in Terminal 2 near Exit 11 by Baggage Claim, open from 7 am until 6 pm. Some amenities in these lounges include showers, a sleeping area with beds, a library, a children's play area, snacks and beverages, computers, Wi-Fi, TV, comfortable seating, and more.

From Lindbergh Field at Terminal 1 at STL, you can catch a San Diego Metro Transit bus #992 into downtown San Diego at Broadway and State Street. This trip takes about 18min and buses depart about every 20min. Taxis and shuttles can get you from STL to downtown San Diego in less than half the time but at about twice the price of a bus.

In the last 5 days, the lowest price for a flight from St. Louis to San Diego was $60 for a one-way ticket and $256 for a round-trip.

A passport is not required to fly from St. Louis to San Diego.

American Airlines, and JetBlue offer inflight Wi-Fi service on the St. Louis to San Diego flight route.

The Boeing 737-800 Passenger/BBJ2 (winglets) is the aircraft model that flies most regularly on the St. Louis to San Diego flight route.

Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between St. Louis and San Diego, with Star Alliance being the most commonly used for this route.

There are nonstop flights from St. Louis to San Diego on a daily basis.

The two airlines most popular with KAYAK users for flights from St. Louis to San Diego are Southwest and Delta. With an average price for the route of $453 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $309 and an overall rating of 7.8.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to San Diego.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Diego from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Diego with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and SAN can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Diego from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.