Flights from St Louis to San Diego, United States

From
To
City
Depart
Return
Select sites to compare prices |
  • Select all
  • Deselect all

Find Flights

Search

Enter your destination to continue
Enter depart date to continue
Enter return date to continue
Select at least 3 sites to continue
Select your depart date
Select your return date
Location services timed out
Enable Location Services Required!
Location services not available at this time
Use current location
@{prefix}@{match}@{suffix}
CityAirportCity
Did you mean flights from San Diego to St Louis?

St Louis to San Diego Last modified: Jul 22, 2022 13:55 -04:00

We've scanned 31,729 round trip itineraries and found the cheapest flights to San Diego. !! frequently offer the best deals to San Diego flights, or select your preferred carrier below to see the cheapest days to fly.

!!
STLSAN
Fri 8/19
2 stops
SANSTL
Mon 8/22
2 stops

How Much is a Flight from St Louis to San Diego?

We have collected flight cost data from across the web for travel from St Louis to San Diego, and have found the average flight price for this trip to be $537.

Where To Buy Cheap Flights from St Louis to San Diego?

The best way to find a great deal on airfare is to search multiple sites. When you run a search on FareCompare, we search multiple sites and fare sources all at once so you don't have to - which is why we think FareCompare is the best place to find cheap tickets. Airlines can adjust prices for tickets from St Louis to San Diego based on the day and time that you decide to book your flight. We have collected data from all airlines, and have found that Tuesdays, Wednesdays, and Saturdays are often the best days to book flights. If you'd like to learn more, read our article about the best time to buy airline tickets.

How far in advance should I book tickets from St Louis to San Diego?

The chart below shows up-to-date information regarding how far in advance to book your flight from St Louis to San Diego.

Non Stop versus Connecting
Advanced PurchaseNon StopConnecting
< 7 days $701 $227
7-14 days $93 $716
14-21 days $106 $716
21-30 days $436 $346
30-60 days $436 $1,451
60-90 days $242 $1,285
90+ days $141 $333

Cheapest Day To Fly from St Louis to San Diego

We've examined 63,458 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from St Louis to San Diego is Wednesday. See the chart below to compare prices for other days of the week.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$294$1,285$227$346$716$536$354

Compare Flight Prices from St Louis to San Diego by Month

Low priced flights are most commonly available by purchasing between one and three months in advance. International or holiday flights may need to be purchased even further in advance. The chart below shows the cheapest flight prices by month for St Louis to San Diego flights.

Month Origin Destination Carrier Depart Date Return Date Stops Price
July St Louis San Diego Frontier 7/20/22 7/24/22 2 $227
June St Louis San Diego Frontier 6/15/22 6/21/22 2 $263
July St Louis San Diego Alaska 7/21/22 7/25/22 2 $1,451
September St Louis San Diego Spirit 9/18/22 9/22/22 3 $305
November St Louis San Diego Alaska 11/20/22 11/28/22 2 $333
November St Louis San Diego Frontier 11/22/22 11/25/22 2 $1,218
October St Louis San Diego Alaska 10/15/22 10/16/22 2 $222
January St Louis San Diego 00 1/3/22 1/8/22 0 $436

Cheap Last Minute Flights from St Louis to San Diego

Looking for cheap last minute flights or a weekend getaway? We've got you covered with weekend flight deals from St Louis to San Diego. The chart below shows the best last minute deals and cheap flights this weekend we could find.

Next 30 Days

SunMonTueWedThuFriSat
5 6 7 8 9 10 11
$216
12 13 14 15 16 17 18
19 20 21 22 23 24 25
26 27 28 29 30 31 1
2 3 4 5 6 7 8
9 10 11 12 13 14 15
16 17 18 19 20 21 22
23 24 25 26 27 28 29
30 31 1 2 3 4 5
6 7 8 9 10 11 12
13 14 15 16 17 18 19
20 21 22 23 24 25 26
27 28 1 2 3 4 5
6 7 8 9 10 11 12
13 14 15 16 17 18 19
20 21 22 23 24 25 26
$587
27 28 29 30 31 1 2
$587
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28
29 30 31 1 2 3 4
$679
5 6 7 8 9 10 11
$679
12 13 14 15 16 17 18
19 20 21 22 23 24 25
26 27 28 29 30 1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
$716
31 1 2 3 4 5 6
$716

Connecting Flights vs Direct Flights from St Louis to San Diego

Flights between some cities may be significantly cheaper if you choose a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from St Louis to San Diego is $227.

The average price for direct flights from St Louis to San Diego is $436.

One Way Flights vs Round Trip Flights from St Louis to San Diego

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 St Louis to San Diego. 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 St Louis to San Diego is $305.

The average price for round trip flights from St Louis to San Diego is $227.

St Louis to San Diego Flight Questions

St Louis to San Diego Airports

These are the major commercial airports we're currently monitoring in St Louis and San Diego. If your route includes a city with multiple airports, you may be able to find substantial savings by choosing an alternate airport.

Farecompare Research Tools

FareCompare's Flight Schedule Search Tool helps you find information about airline schedule filings, including flight numbers, depart times, and travel distance.

Cheap International Flights from St Louis - STL Last modified: Jul 22, 2022 13:55 -04:00

FlightsLowest Price
St Louis to Tijuana$400
Cheap Flights from St Louis to San Diego