Cheap flights from San Diego to St. Louis

Round-trip
Economy
San Diego (SAN)
St. Louis (STL)
Thu 7/15
Thu 7/22
Any month
Compare vs. momondo |

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$163The best flight deal from San Diego to St. Louis found on momondo in the last 72 hours is $163
Fastest flight time6h 0mThe fastest flight from San Diego to St. Louis takes 6h 0m
Direct flightsNoneThere 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. Louis1 airportThere 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
Jul 17
SAN2:30 amSan Diego
6h 01m
1 stop
STL8:31 amLambert-St Louis
Jul 19
STL9:03 amLambert-St Louis
12h 30m
1 stop
SAN9:33 pmSan Diego
Multiple Airlines
Jul 5
SAN6:40 pmSan Diego
10h 44m
1 stop
STL5:24 amLambert-St Louis
Jul 13
STL9:40 amLambert-St Louis
8h 49m
1 stop
SAN6:29 pmSan Diego
Multiple Airlines
Jul 19
SAN6:35 pmSan Diego
11h 04m
1 stop
STL5:39 amLambert-St Louis
Jul 24
STL9:30 amLambert-St Louis
8h 59m
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.
Frontier
Aug 14
SAN2:30 amSan Diego
6h 01m
1 stop
STL8:31 amLambert-St Louis
Multiple Airlines
Jun 28
SAN6:40 pmSan Diego
10h 44m
1 stop
STL5:24 amLambert-St Louis
Multiple Airlines
Jun 21
SAN6:40 pmSan Diego
10h 44m
1 stop
STL5:24 amLambert-St Louis

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
AirlineRatingFree CancellationPrice
Frontier
PriceFrom $94
Free Cancellation
Rating
7.4
8.0

Boarding

7.0

Comfort

8.0

Crew

6.7

Entertainment

7.0

Food

Reviews

Pros: The time was great

Cons: The seats are very uncomfortable especially when you’ve had back surgery.

1 / 10
Delta
PriceFrom $112
Free Cancellation
Rating
8.1
8.3

Boarding

8.4

Comfort

8.3

Crew

7.9

Entertainment

8.1

Food

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
American Airlines
PriceFrom $118
Free Cancellation
Rating
7.2
7.5

Boarding

7.1

Comfort

7.9

Crew

7.1

Entertainment

6.8

Food

Reviews

Pros: Nothing

Cons: Not charging me 100 dollars For a luggage that was 56 pounds

1 / 10
United Airlines
PriceFrom $124
Free Cancellation
Rating
6.8
7.2

Boarding

6.6

Comfort

7.5

Crew

6.6

Entertainment

6.1

Food

Reviews

Pros: Everything! From ticketing agent to all the crew on our flight back were awesome. Thank you!

1 / 10
Alaska Airlines
PriceFrom $129
Free Cancellation
Rating
8.2
8.7

Boarding

8.3

Comfort

8.7

Crew

8.0

Entertainment

7.4

Food

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
Southwest
PriceFrom $167
Free Cancellation
Rating
8.4
8.6

Boarding

8.5

Comfort

8.8

Crew

7.6

Entertainment

7.8

Food

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.


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