Cheap flights from San Diego to St. Louis

Travelers usually depart from San Diego International, San Diego, CA - Old Town, San Diego, CA Bus Station, San Diego, CA - Santa Fe, or San Diego-La Jolla when they travel from San Diego to St. Louis. Book your trip to arrive at St. Louis Lambert International, or St. Louis Union Station. The distance between San Diego and St. Louis is 2503 km. The most popular airlines for this route are WN, American Airlines, Frontier Airlines, United Airlines, and Delta Air Lines. San Diego and St. Louis have 248 direct flights per week.

Weekly flights

	Mondays	Tuesdays	Wednesdays	Thursdays	Fridays	Saturdays	Sundays
Number of flights	45	44	33	42	-	40	44

Fly direct with

WN on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Check-in for a flight from San Diego to St. Louis

Name	Carrier code	IATA Code	Passport needed during booking	Airport check-in closes	Online check-in available
WN	SWA	WN	No	Unknown	No
American Airlines	AAL	AA	Yes	Unknown	No
Frontier Airlines	FFT	F9	No	Unknown	No
United Airlines	UAL	UA	Yes	Unknown	No
Delta Air Lines	DAL	DL	Yes	Unknown	No

Frequently asked questions

How long does it take to travel from San Diego to St. Louis?

A one-way nonstop (direct) flight between San Diego and St. Louis takes around 3.5 hours.

What is the flight distance between San Diego and St. Louis?

The flight distance between San Diego and St. Louis is 2503 km.

What airlines offer nonstop (direct) flights between San Diego and St. Louis?

Several carriers operate flights between San Diego and St. Louis. Airlines offering nonstop (direct) flights include WN.

What are the most popular routes to and from San Diego?

Travelers frequently search for route combinations, such as San Diego and McCarran International, Denver International, Phoenix Sky Harbor International, San Francisco International, Ronald Reagan Washington National, Nashville International, San Jose International, Oakland International, Tucson International, El Paso International, Des Moines International.

What are the most popular routes to and from St. Louis?

Travelers frequently search for route combinations, such as St. Louis and Orlando International, McCarran International, Denver International, Seattle–Tacoma International, Clinton National, Wichita Dwight D. Eisenhower National, Owensboro–Daviess County Regional, Quincy Regional, Williamson County Regional, Waynesville-St. Robert Regional, Kirksville Regional.

Which airports are there in San Diego?

San Diego is mainly served by San Diego International. But there are other airports nearby, including Marine Corps Air Station Miramar, McClellan–Palomar.

What airports are near San Diego?

The main airport in San Diego is San Diego International. It is also served by Los Angeles International, Tijuana International, Ontario International, John Wayne, Mexicali International, Hollywood Burbank, Palm Springs International, Long Beach, Imperial County, Yuma International.

What airports are near St. Louis?

The main airport in St. Louis is St. Louis Lambert International. It is also served by St. Louis Lambert International, General Wayne A. Downing Peoria International, Evansville Regional, Williamson County Regional, MidAmerica St. Louis, Waynesville-St. Robert Regional, Central Illinois Regional, Quincy Regional, Columbia Regional, Abraham Lincoln Capital.

What buses and trains depart from San Diego?

A number of bus and train companies depart from San Diego, including Greyhound.

Is it possible to combine flights, buses, and trains in one itinerary when traveling between San Diego and St. Louis?

What is Virtual Interlining and how do I use it?

Which airlines fly between San Diego and St. Louis?

When's the best time to travel between San Diego and St. Louis?

What flights operate between San Diego and St. Louis?

How many airports are there near San Diego?

How many airports are there near St. Louis?

Is it possible to reach San Diego by bus or train?

What time do nonstop (direct) flights between San Diego and St. Louis depart?

What time do nonstop (direct) flights between San Diego and St. Louis arrive?

What time do flights between San Diego and St. Louis depart?

What time do flights between San Diego and St. Louis arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

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