EARN 60,000 MILES
AFTER QUALIFYING ACCOUNT ACTIVITY. TERMS APPLY.
Flights from St. Louis, MO to Phoenix, AZ starting at *
expand_more
today
today
Best Deals on Flights From St. Louis, MO (STL) to Phoenix, AZ (PHX)
location_on
location_on
No fares were found for the selected criteria.
Flights Deals from St. Louis, MO to Phoenix, AZ on Frontier
flight_takeoff
flight_land
$
FromSt. Louis, MO (STL) | ToPhoenix, AZ (PHX) | One-way / Economy | Departing Sep 6, 2024 | From $39* Last seen: 4 hours ago |
*Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.
St. Louis, MO Phoenix, AZ