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Cheap Flights from San Diego to St Louis, MO, United States - SAN to STL

Popular flights from San Diego to St Louis

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
Jun 1, 2016 Jun 9, 2016 $440
American Airlines
Departure Date Return Date Lowest Price
Jun 1, 2016 Jun 9, 2016 $270
Jun 6, 2016 Jun 15, 2016 $270
Jun 6, 2016 Jun 9, 2016 $270
Jul 20, 2016 Jul 26, 2016 $270
Jul 27, 2016 Aug 6, 2016 $270
United Airlines
Departure Date Return Date Lowest Price
May 18, 2016 May 29, 2016 $270
May 19, 2016 May 29, 2016 $270
May 20, 2016 May 29, 2016 $270
May 21, 2016 May 29, 2016 $270
May 24, 2016 Jun 3, 2016 $270

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 $270.

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
$270 $270 $270 $270 $270 $270 $270

Lowest Fares Chart By Month from San Diego to St Louis

The chart below shows the lowest fare by month when flying from San Diego to St Louis.

Month Origin Destination Carrier Depart Date Return Date Stops Price
May San Diego St Louis United 5/18/16 5/29/16 1 $270
June San Diego St Louis American 6/1/16 6/9/16 1 $270
July San Diego St Louis American 7/20/16 7/26/16 1 $270
August San Diego St Louis American 8/2/16 8/12/16 1 $270
September San Diego St Louis American 9/1/16 9/5/16 1 $270
October San Diego St Louis American 10/6/16 10/12/16 1 $270
December San Diego St Louis American 12/24/16 12/28/16 1 $327
February San Diego St Louis American 2/17/17 2/20/17 1 $424

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 $167.

The average price for round trip flights from San Diego to St Louis is $326.

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)

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 PDX X X X X X X X
Delta MSP 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
United ORD X X X X X X X
Southwest - X X X X X X X
Southwest LAS 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 $126
San Diego to Atlanta American, Alaska, JetBlue, Frontier, Spirit, United $345
San Diego to Dallas - Ft Worth American, Alaska, Spirit, United, Virgin America $85

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 $281
Ontario to St Louis American, Alaska, United $313
Long Beach to St Louis American, Alaska, United $350
Palm Springs to St Louis American, Alaska, United $324
Santa Barbara to St Louis American, Alaska, United $472
Burbank to St Louis American, United $398
Palomar to St LouisCheck Dates
Yuma to St Louis American, Alaska $444
Los Angeles to Chicago American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $117
Los Angeles to New York American, Alaska, JetBlue, Frontier, Spirit, Sun Country, United, Virgin America $210
Los Angeles to Atlanta American, Alaska, Frontier, Spirit, United $224
Los Angeles to Dallas - Ft Worth American, Alaska, Frontier, Spirit, United, Virgin America $99
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 $196
Ontario to Chicago American, Alaska, United $234
Los Angeles to Detroit American, Alaska, JetBlue, Frontier, Spirit, United $243
Santa Ana to Chicago American, Alaska, Frontier, United $200
Los Angeles to Nashville American, Alaska, Frontier, United $263
Los Angeles to Indianapolis American, Alaska, Frontier, United $187
Los Angeles to Minneapolis - St Paul American, Alaska, Frontier, Spirit, Sun Country, United $207
Los Angeles to Kansas City American, Alaska, Spirit, United $147
Los Angeles to Memphis American, Alaska, United $276
Los Angeles to Orlando American, Alaska, JetBlue, Frontier, Spirit, Sun Country, United, Virgin America $187
Los Angeles to Charlotte American, Alaska, JetBlue, United $388

Cheap International Flights to St Louis - STL

FlightsAirlineLowest Price
Los Angeles to Toronto American, Air Canada, Alaska, JetBlue, Frontier, Spirit, Sun Country, United, Virgin America, WestJet, Great Lakes $360
Cheap Flights from San Diego to St Louis, MO, United States, from $270 Round trip from SAN to STL