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Cheap Flights from San Diego to St Louis, MO, United States - SAN to STL Last modified: May 30, 2016 7:46 AM

Popular flights from San Diego to St Louis Last modified: May 30, 2016 7:46 AM

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

Alaska Airlines
Departure Date Return Date Lowest Price
Jul 14, 2016 Jul 18, 2016 $563
American Airlines
Departure Date Return Date Lowest Price
Sep 3, 2016 Sep 10, 2016 $350
Sep 8, 2016 Sep 15, 2016 $350
Sep 15, 2016 Sep 29, 2016 $350
Frontier Airlines
Departure Date Return Date Lowest Price
Aug 17, 2016 Aug 19, 2016 $261
Aug 27, 2016 Sep 4, 2016 $261
Aug 31, 2016 Sep 3, 2016 $261
Sep 3, 2016 Sep 10, 2016 $261
United Airlines
Departure Date Return Date Lowest Price
Jun 14, 2016 Jun 21, 2016 $276
Aug 12, 2016 Aug 15, 2016 $276
Aug 17, 2016 Aug 19, 2016 $276

How Much Does it Cost to Fly from San Diego to St Louis (SAN to STL)?

We have collected flight cost data from across the web for travel from San Diego to St Louis, and have found the average flight price for this trip to be $298.

When Can I Buy the Cheapest Flight from San Diego to St Louis (SAN to STL)?

Airlines can adjust prices for plane tickets from San Diego to St Louis based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

Cheapest Day To Fly from San Diego to St Louis

The chart below shows up-to-date information regarding the cheapest days to fly from San Diego to St Louis.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$366 $276 $261 $305 $276 $261 $337

Round Trip vs One Way Flights from San Diego to St Louis (SAN to STL)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from San Diego to St Louis. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from San Diego to St Louis is $182.

The average price for round trip flights from San Diego to St Louis is $372.

San Diego to St Louis Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from San Diego to St Louis?
Answer: Denver, CO

Airlines Flying from San Diego to St Louis (SAN to STL) Number of flights searched: 231Last modified: May 30, 2016 7:46 AM

Below are the different airlines that fly from San Diego to St Louis with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from San Diego to St Louis.

San Diego to St Louis
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American DFW X X X X X X X
Alaska SEA X X X X X X X
Delta DTW X X X X X X X
Delta LAX / SLC X X X X X X X
Frontier DEN X X X X X X X
United SFO X X X X X X X
Southwest - X X X X X X X
Southwest MCI X X X X X X X

Airports for Your Route

These pages contain information about the major airports in San Diego and St Louis, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights from San Diego - SAN

FlightsAirlineLowest Price
San Diego to Chicago American, Alaska, Frontier, Spirit, United, Virgin America $187
San Diego to Atlanta American, Alaska, JetBlue, Frontier, Spirit, United $318
San Diego to Dallas - Ft Worth American, Alaska, Frontier, Spirit, United, Virgin America $117

Cheap Domestic Flights to St Louis - STL

FlightsAirlineLowest Price
Los Angeles to St Louis American, Alaska, Frontier, United $244
Santa Ana to St Louis American, Alaska, United $308
Ontario to St Louis American, Alaska, United $308
Long Beach to St Louis American, Alaska, United $343
Palm Springs to St Louis American, Alaska, United $392
Santa Barbara to St Louis American, Alaska, United $412
Burbank to St Louis American, United $394
Palomar to St LouisCheck Dates
Yuma to St Louis American, Alaska Check Dates
Los Angeles to Chicago American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $187
Los Angeles to New York American, Alaska, JetBlue, Frontier, Spirit, Sun Country, United, Virgin America $297
Los Angeles to Atlanta American, Alaska, Frontier, Spirit, United $188
Los Angeles to Dallas - Ft Worth American, Alaska, Frontier, Spirit, United, Virgin America $167
Los Angeles to Las Vegas American, Spirit, United, Virgin America $71
Los Angeles to Denver American, Alaska, Frontier, Spirit, United, Virgin America $87
Los Angeles to Houston American, Alaska, Spirit, United $166
Ontario to Chicago American, Alaska, United $234
Los Angeles to Detroit American, Alaska, JetBlue, Frontier, Spirit, United $244
Santa Ana to Chicago American, Alaska, Frontier, United $254
Los Angeles to Nashville American, Alaska, United $255
Los Angeles to Indianapolis American, Alaska, Frontier, United $204
Los Angeles to Minneapolis - St Paul American, Alaska, Frontier, Spirit, Sun Country, United $193
Los Angeles to Kansas City American, Alaska, Spirit, United $177
Los Angeles to Memphis American, Alaska, United $188
Los Angeles to Orlando American, Alaska, JetBlue, Frontier, Spirit, Sun Country, United, Virgin America $203
Los Angeles to Charlotte American, Alaska, JetBlue, Frontier, United $279

Cheap International Flights to St Louis - STL

FlightsAirlineLowest Price
Los Angeles to Toronto American, Air Canada, Alaska, JetBlue, Frontier, Sun Country, United, Virgin America, WestJet $359
Cheap Flights from San Diego to St Louis, MO, United States, from $261 Round trip from SAN to STL