Deal found on October 28, 2026
St. Louis to Los Angeles
$139$31556% off
Round trip
Los Angeles usually runs $250 to $398 round trip from St. Louis, and Frontier has it down to $139. There are 10 different date combinations between November and February, a great price for beach weather even though it comes with a longer connection.
Travel dates
Dates in December
e.g. Dec 4 – Dec 13 · 9 nights
Date options
10 at this price
Lowest we've seen
$139
Search these dates on Google FlightsSee Los Angeles price historyLos Angeles guide: weather, costs & things to do
Get deals like this from St. Louis
Free email alerts when we find a fare worth booking. No spam.