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Cheap flights from San Diego to St. Louis
Round-trip
Economy
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 | $163 | The best flight deal from San Diego to St. Louis found on momondo in the last 72 hours is $163 |
| Fastest flight time | 6h 0m | The fastest flight from San Diego to St. Louis takes 6h 0m |
| Direct flights | None | There are no direct flights from San Diego to St. Louis. Popular non-direct route for this connection is San Diego - Lambert-St Louis. |
| 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 from San Diego 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 depart San Diego for St. Louis?
Wednesday
The cheapest day of the week is typically Wednesday. The most expensive is typically Monday
When is the cheapest time to fly from San Diego to St. Louis?
in the afternoon
San Diego to St. Louis flights are approximately 33% more expensive at noon than in the afternoon
What is the cheapest airline that flies to St. Louis from San Diego?
Frontier
Frontier, Alaska Airlines, and Delta are the most popular carriers operating from San Diego to St. Louis
What is the cheapest San Diego to St. Louis flight 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
How far in advance should you book San Diego to St. Louis flights?
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
Frontier![Frontier]()
Jul 17![Frontier]()
Jul 19
SAN2:30 amSan Diego
6h 01m
1 stop
STL8:31 amLambert-St Louis
STL9:03 amLambert-St Louis
12h 30m
1 stop
SAN9:33 pmSan Diego
Multiple Airlines![Multiple Airlines]()
Jul 5![Multiple Airlines]()
Jul 13
SAN6:40 pmSan Diego
10h 44m
1 stop
STL5:24 amLambert-St Louis
STL9:40 amLambert-St Louis
8h 49m
1 stop
SAN6:29 pmSan 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.
Best airlines flying from San Diego to St. Louis
Compare and see reviews for airlines that fly from San Diego to St. Louis with momondo
AirlineFree CancellationPrice
PriceFrom $94
Free Cancellation
Reviews
Pros: The time was great
Cons: The seats are very uncomfortable especially when you’ve had back surgery.
1 / 10
PriceFrom $112
Free Cancellation
Reviews
Cons: Wouldn't let us on the flight when there was plenty of time to get there. Manager was arrogant and slow - didn't care. Poor policies at that airport.
1 / 10
PriceFrom $118
Free Cancellation
Reviews
Pros: Nothing
Cons: Not charging me 100 dollars For a luggage that was 56 pounds
1 / 10
PriceFrom $124
Free Cancellation
Reviews
Pros: Everything! From ticketing agent to all the crew on our flight back were awesome. Thank you!
1 / 10
PriceFrom $129
Free Cancellation
Reviews
Pros: The flight wasn't full which is always nice and they served full size cans which is also a nice little note.
Cons: The plane was pretty old and people just started sitting wherever. It was chaos as my wife and I sat in our assigned seating and just watched people wander like animals.
1 / 10
PriceFrom $167
Free Cancellation
Reviews
Pros: The plane was new and the seats were nice.
1 / 10
Which airlines flying from San Diego to Lambert-St Louis have COVID-19 safety policies in place?
Alaska Airlines has 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.