Cheap flights from San Diego to St. Louis

Round-trip
Economy
San Diego (SAN)
St. Louis (STL)
Sun 12/27
Sun 1/3
Any month
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Flight information for San Diego to St. Louis
(SAN to STL)

Find info about flight duration, direct flights, and airports for your flight from San Diego to St. Louis
Best Price Found $150 The best flight deal from San Diego to St. Louis found on momondo in the last 72 hours is $150
Fastest flight time 3h 25m The fastest flight from San Diego to St. Louis takes 3h 25m.
Direct flights Mo, Sa and Su Direct flights go from San Diego to St. Louis on Monday, Saturday and Sunday. Airline offering direct flights is Southwest..
Airports in St. Louis 1 airport There is 1 airport near St. Louis: Lambert-St Louis (STL)

How to get the cheapest flight ticket from San Diego to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to St. Louis?
August
The cheapest time of year to fly to St. Louis from San Diego is August. Most expensive is December
What is the cheapest day to fly to St. Louis?
Thursday
The cheapest day of the week is typically Thursday. The most expensive is typically Monday
When is the cheapest time to fly to St. Louis?
in the afternoon
San Diego to St. Louis flights are approximately 34% more expensive at noon than in the afternoon
What is the cheapest airline that flies to St. Louis?
Frontier
Frontier, Alaska Airlines, and Delta are the most popular carriers operating from San Diego to St. Louis
What is the cheapest route?
San Diego - Lambert-St Louis
Fly from San Diego to Lambert-St Louis for the best San Diego - St. Louis flight prices
SAN
San Diego
STL
Lambert-St Louis
When is the cheapest time to book a flight to St. Louis?
53 days before
The cheapest time to buy a flight from San Diego to St. Louis is approximately 53 days to departure
60
Days before departure
0

Easily compare round-trip flights from San Diego to St. Louis

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from San Diego to St. Louis by changing tabs
Cheapest
Best
Quickest
Frontier
Jan 21
SAN
San Diego
21h 07m
1 stop
STL
Lambert-St Louis
Jan 24
STL
Lambert-St Louis
10h 03m
1 stop
SAN
San Diego
Multiple Airlines
Jan 15
SAN
San Diego
9h 38m
1 stop
STL
Lambert-St Louis
Jan 17
STL
Lambert-St Louis
8h 57m
1 stop
SAN
San Diego
Frontier
Dec 3
SAN
San Diego
16h 39m
1 stop
STL
Lambert-St Louis
Jan 7
STL
Lambert-St Louis
19h 10m
1 stop
SAN
San Diego

Find the cheapest one-way flights from San Diego to St. Louis

If you're looking for one-way flights from San Diego to St. Louis, view some of our deals below provided by Frontier
Cheapest
Best
Quickest
Frontier
Dec 26
SAN
San Diego
20h 53m
1 stop
STL
Lambert-St Louis
Multiple Airlines
Jan 9
SAN
San Diego
43h 28m
3 stops
STL
Lambert-St Louis
Delta
Jan 5
SAN
San Diego
6h 58m
1 stop
STL
Lambert-St Louis

Which airlines flying from San Diego to Lambert-St Louis have COVID-19 safety policies in place?

Alaska Airlines, Southwest, and Delta have implemented additional safety measures to accommodate travelers. Airlines flying from San Diego to Lambert-St Louis are working to protect travelers. Some of these new policies include temperature checks, pre-flight testing, sanitization of key touchpoints, as well as mask requirements when onboard. Some airlines have even implemented socially distanced seating for a limited time. Policies will vary by airline.

Are airlines flying from San Diego to Lambert-St Louis offering flexible cancellation due to COVID-19?

Some of our partner airlines flying from San Diego to Lambert-St Louis are adopting new policies due to the global impact of COVID-19. Some of the airlines that may be waiving their cancellation fees are Alaska Airlines, American Airlines, and United Airlines. You can search for the full list of airlines like Alaska Airlines that are offering this flexibility.


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