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Frontier Airlines(F9) flights from St. Louis to Denver

Flight INFO & Frontier Airlines(F9) flights from St. Louis to Denver

Cheapest nonstop flight price

$22

Cheapest round-trip ticket price

$47

Off-season for travel

February

Peak season for travel

October

Flight distance

1,253.6km

Average flight time

2 hours 58 minutes

Popular airline

American Airlines

Book Frontier Airlines(F9) flights from St. Louis to Denver

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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Frontier Airlines(F9) flights from St. Louis to Denver & Flight Schedule

Flight info.
Departure
Arrival
Weekly Schedule
  1. F93301

    15:53

    STL

    2.4h

    Direct

    17:17

    DEN

    ---W--S
  2. F94567

    20:00

    STL

    2.5h

    Direct

    21:28

    DEN

    S-T-TF-
  3. F94477

    22:32

    STL

    2.5h

    Direct

    00:01

    DEN

    -M-----

Frontier Airlines(F9) flights from St. Louis to Denver Flight Booking FAQ

  • When are flight tickets from St. Louis (STL) to Denver (DEN) the cheapest?

    Airlines adjust prices for flights from St. Louis to Denver based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from St. Louis (STL) to Denver (DEN) cost?

    According to Trip.com's data, the lowest price is around $282.
  • How long does it take to fly from St. Louis (STL) to Denver (DEN) and what is the distance?

    It takes around 2 hours 58 minutes to fly from St. Louis (STL) to Denver (DEN).
  • What are the most popular airlines that fly from St. Louis (STL) to Denver (DEN)?

    Airlines with flights from St. Louis (STL) to Denver (DEN): United Airlines, Southwest Airlines and Volaris.