$164 Cheap United flights San Diego (SAN) to St. Louis (STL)

View $164 flight on Tue, Aug 26, 2025Opens in a new window

$164 Cheap United flights San Diego (SAN) to St. Louis (STL)

Prices were available within the past 7 days and start at $164 for one-way flights and $279 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
United
Tue, Aug 26 - Tue, Sep 9
SAN
San Diego
STL
St. Louis
$279
Roundtrip
Found 2 days ago
Select United flight, departing Tue, Aug 26 from San Diego to St. Louis, returning Tue, Sep 9, priced at $279 Found 2 days ago
United
Tue, Aug 26 - Tue, Sep 9
SAN
San Diego
STL
St. Louis
$284
Roundtrip
Found 2 days ago
Select United flight, departing Tue, Aug 26 from San Diego to St. Louis, returning Tue, Sep 9, priced at $284 Found 2 days ago
United
Tue, Aug 26 - Tue, Sep 9
SAN
San Diego
STL
St. Louis
$295
Roundtrip
Found 2 days ago
Select United flight, departing Tue, Aug 26 from San Diego to St. Louis, returning Tue, Sep 9, priced at $295 Found 2 days ago
United
Tue, Aug 26 - Wed, Aug 27
SAN
San Diego
STL
St. Louis
$322
Roundtrip
Found 2 days ago
Select United flight, departing Tue, Aug 26 from San Diego to St. Louis, returning Wed, Aug 27, priced at $322 Found 2 days ago
United
Tue, Aug 26 - Wed, Aug 27
SAN
San Diego
STL
St. Louis
$327
Roundtrip
Found 2 days ago
Select United flight, departing Tue, Aug 26 from San Diego to St. Louis, returning Wed, Aug 27, priced at $327 Found 2 days ago
United
Tue, Aug 26 - Tue, Sep 9
SAN
San Diego
STL
St. Louis
$329
Roundtrip
Found 2 days ago
Select United flight, departing Tue, Aug 26 from San Diego to St. Louis, returning Tue, Sep 9, priced at $329 Found 2 days ago
Flights from San Diego (SAN) to St. Louis (STL)
Origin airport
San Diego Intl.
Destination airport
Lambert-St. Louis Intl.
Distance
2487 km
Average flight time
6 hours 3 mins