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Uncover the best deals on San Diego to St Louis flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest SAN - STL Flights
Useful information for finding best airline tickets from San Diego International to Lambert St Louis International on your next trip.
Cheapest Round Trip Flight
$296
Delta Airlines
• 1 stop
• 12h 15m
Jul 15 – Jul 29
The cheapest round trip flight from San Diego to St Louis (SAN-STL-SAN) is currently $296
Cheapest Direct Flight
$387
Southwest Airlines
• nonstop
• 5h 40m
Jul 15
The cheapest nonstop flight from San Diego to St Louis (SAN-STL) is currently $387
Fastest Flight
5h 35m
The fastest nonstop flight from San Diego to St Louis (SAN-STL) takes 5h 35m
Top Airlines Flying from San Diego to St Louis
Latest Flight Deals from San Diego (SAN) to St Louis (STL)
Compare and book low fare round-trip air tickets from San Diego to St Louis. Ideal for travelers with confirmed return itineraries.
Jul 15 - Jul 29, Economy
San Diego → St Louis
12h 15m
2:18 PM - 11:53 PM • 1 stop
San Diego → St Louis
15h 8m
6:00 AM - 1:08 PM • 1 stop
Delta Airlines
Jul 15 - Jul 29, Economy
San Diego → St Louis
14h 14m
12:59 PM - 11:53 PM • 1 stop
San Diego → St Louis
9h 15m
7:55 PM - 11:50 PM • 1 stop
Delta Airlines
Jul 15 - Jul 29, Economy
San Diego → St Louis
19h 6m
7:00 PM - 8:46 AM • 2 stops
San Diego → St Louis
10h 17m
6:21 AM - 10:38 AM • 1 stop
Delta Airlines
Jul 16 - Jul 16, Economy
San Diego → St Louis
10h 53m
6:20 AM - 3:13 PM • 1 stop
San Diego → St Louis
9h 15m
7:55 PM - 11:50 PM • 1 stop
Delta Airlines
Jul 16 - Jul 16, Economy
San Diego → St Louis
13h 46m
6:20 AM - 4:46 PM • 1 stop
San Diego → St Louis
9h 15m
7:55 PM - 11:50 PM • 1 stop
Delta Airlines
Looking for the fastest way to St Louis? These direct flight options from SAN to STL offer both convenience and value—no layovers, just straight to your destination.
Jul 15 - Jul 29, Economy
San Diego → St Louis
5h 40m
7:05 AM - 12:45 PM • nonstop
San Diego → St Louis
5h 40m
8:30 AM - 10:10 AM • nonstop
Southwest Airlines
FAQs on San Diego to St Louis Flights
What are the airports in San Diego?
SAN
What’s the most popular airline flying from SAN to STL?
The most popular airline flying from San Diego to St Louis are
Can I fly from SAN to STL non-stop?
Yes, you can fly SAN to STL non-stop on
Which airlines fly nonstop between San Diego and St Louis?
The non-stop flights between San Diego and St Louis are .
What’s the earliest departure time from SAN to STL Airport?
The earliest flight leaves SAN at 6:20 am and lands in STL - Lambert St Louis International
What are the airports in St Louis?
STL
Can I make changes to my San Diego to St Louis 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 SAN to STL?
Read the fare rules of the San Diego to St Louis 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 San Diego and St Louis?
operate flights between San Diego and St Louis
How long does a flight from San Diego to St Louis take?
It takes approximately 4 hour to fly non-stop from SAN to STL, which is 1557.18 miles by air.
Which airlines provide the cheapest flights from San Diego (SAN) to St Louis (STL) ?
In the past couple of days, the cheapest tickets to STL from SAN were found on DL : USD 296
Do I need a passport to fly between SAN and STL?
No
What’s the latest departure time from SAN to STL ?
The last flight leaves SAN at 7:00 pm
San Diego (SAN) to St Louis (STL): Airport Information
| Origin Airport | San Diego International , San Diego, US |
| Destination Airport | Lambert St Louis International , St Louis, US |
| Distance | 1557 miles |
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