$191 Cheap Frontier Airlines flights San Diego (SAN) to St. Louis (STL)

View $191 flight on Thu, Jul 3, 2025Opens in a new window

$191 Cheap Frontier Airlines flights San Diego (SAN) to St. Louis (STL)

Prices were available within the past 7 days and start at $191 for one-way flights and $230 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Frontier Airlines
Sat, Aug 23 - Sat, Sep 6
SAN
San Diego
STL
St. Louis
$230
Roundtrip
Found 3 days ago
Select Frontier Airlines flight, departing Sat, Aug 23 from San Diego to St. Louis, returning Sat, Sep 6, priced at $230 Found 3 days ago
Frontier Airlines
Sun, Aug 24 - Sat, Sep 6
SAN
San Diego
STL
St. Louis
$232
Roundtrip
Found 3 days ago
Select Frontier Airlines flight, departing Sun, Aug 24 from San Diego to St. Louis, returning Sat, Sep 6, priced at $232 Found 3 days ago
Frontier Airlines
Sun, Aug 24 - Sun, Sep 7
SAN
San Diego
STL
St. Louis
$234
Roundtrip
Found 3 days ago
Select Frontier Airlines flight, departing Sun, Aug 24 from San Diego to St. Louis, returning Sun, Sep 7, priced at $234 Found 3 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