Cheap Flight Tickets from St Louis (STL) to San Diego (SAN), Starting at $136

Good to Know: Cheapest and Fastest STL - SAN Flights

Useful information for finding best airline tickets from Lambert St Louis International to San Diego International on your next trip.

Cheapest Round Trip Flight

$444

WN Southwest Airlines • 2 stops • 15h 20m

Jun 26 – Jun 29

The cheapest round trip flight from St Louis to San Diego (STL-SAN-STL) is currently $444

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Cheapest One way Flight

$136

AS Alaska Airlines • 1 stop • 13h 32m

Jun 20

The cheapest one way flight from St Louis to San Diego (STL-SAN) is currently $136

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Cheapest Direct Flight

$290

WN Southwest Airlines • nonstop • 5h 40m

Sep 12

The cheapest nonstop flight from St Louis to San Diego (STL-SAN) is currently $290

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Fastest Flight

5h 40m

The fastest nonstop flight from St Louis to San Diego (STL-SAN) takes 5h 40m

Top Airlines Flying from St Louis to San Diego

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

Latest Flight Deals from St Louis (STL) to San Diego (SAN)

Compare and book low fare round-trip air tickets from St Louis to San Diego. Ideal for travelers with confirmed return itineraries.

Jun 26 - Jun 29, Economy
WN
St Louis → San Diego
15h 20m
10:00 AM - 5:20 PM • 2 stops
WN
St Louis → San Diego
9h 5m
2:55 PM - 10:40 PM • 1 stop
$444
Southwest Airlines
Jun 26 - Jun 29, Economy
UA
St Louis → San Diego
9h 15m
5:10 AM - 9:05 AM • 1 stop
UA
St Louis → San Diego
15h 27m
6:15 AM - 5:42 PM • 1 stop
$566
United Airlines
Jun 26 - Jun 29, Economy
WN
St Louis → San Diego
16h 50m
6:00 AM - 2:10 PM • 1 stop
WN
St Louis → San Diego
12h 20m
2:30 PM - 12:10 AM • 2 stops
$584
Southwest Airlines
Jun 26 - Jun 29, Economy
AS
St Louis → San Diego
13h 32m
9:42 AM - 3:54 PM • 1 stop
AS
St Louis → San Diego
17h 19m
6:18 AM - 6:57 PM • 1 stop
$662
Alaska Airlines
Jun 26 - Jun 29, Economy
WN
St Louis → San Diego
27h 25m
7:20 PM - 10:05 AM • 1 stop
F9
St Louis → San Diego
15h 53m
6:25 AM - 6:18 PM • 1 stop
$776
Southwest Airlines
Jun 26 - Jun 29, Economy
F9
St Louis → San Diego
32h 32m
7:38 PM - 11:53 PM • 1 stop
AS
St Louis → San Diego
17h 19m
6:18 AM - 6:57 PM • 1 stop
$874
Frontier Airlines

Fly from St Louis to San Diego with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from St Louis to San Diego? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on St Louis to San Diego Flights

What are the airports in St Louis?
STL
What’s the most popular airline flying from STL to SAN?
The most popular airline flying from St Louis to San Diego are
Can I fly from STL to SAN non-stop?
Yes, you can fly STL to SAN non-stop on
Which airlines fly nonstop between St Louis and San Diego?
The non-stop flights between St Louis and San Diego are .
What’s the earliest departure time from STL to SAN Airport?
The earliest flight leaves STL at 5:10 am and lands in SAN - San Diego International
What are the airports in San Diego?
SAN
Can I make changes to my St Louis to San Diego flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from STL to SAN?
Read the fare rules of the St Louis to San Diego air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from St Louis and San Diego?
operate flights between St Louis and San Diego
How long does a flight from St Louis to San Diego take?
It takes approximately 4 hour to fly non-stop from STL to SAN, which is 1557.18 miles by air.
Which airlines provide the cheapest flights from St Louis (STL) to San Diego (SAN) ?
In the past couple of days, the cheapest tickets to SAN from STL were found on F9 : USD 362
Do I need a passport to fly between STL and SAN?
No
What’s the latest departure time from STL to SAN ?
The last flight leaves STL at 10:200 pm

St Louis (STL) to San Diego (SAN): Airport Information

Origin Airport Lambert St Louis International , St Louis, US
Destination Airport San Diego International , San Diego, US
Distance 1557 miles

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