App
Customer Support
NZD
Find Bookings
Trip.com
>
Cheap Flights
>
United States
>
Frontier Airlines
>
Frontier Airlines Flights to St. Louis (STL)
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system
F9

Frontier Airlines Flights to St. Louis

  • One way
  • Round-trip
      • Cheapest nonstop
        MCO21:44
        2h 47m
        Nonstop
        STL23:31
        Frontier Airlines|Orlando - St. Louis|Wed, Jan 22
        NZD 35NZD 106
        67% OFF
        67% OFF
        NZD 106NZD 35

        Choose Frontier Airlines flights from Orlando to St. Louis. The one-way direct flight with Frontier Airlines departs from Orlando International Airport on Wed, Jan 22, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 35 including taxes and charges.

      • DEN06:00
        2h 16m
        Nonstop
        STL09:16
        Frontier Airlines|Denver - St. Louis|Sat, Jan 25
        NZD 40NZD 106
        63% OFF
        63% OFF
        NZD 106NZD 40

        Choose Frontier Airlines flights from Denver to St. Louis. The one-way direct flight with Frontier Airlines departs from Denver International Airport on Sat, Jan 25, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 40 including taxes and charges.

      • LAS12:20
        3h 23m
        Nonstop
        STL17:43
        Frontier Airlines|Las Vegas - St. Louis|Wed, Mar 5
        NZD 58NZD 106
        45% OFF
        45% OFF
        NZD 106NZD 58

        Choose Frontier Airlines flights from Las Vegas to St. Louis. The one-way direct flight with Frontier Airlines departs from Harry Reid International Airport on Wed, Mar 5, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 58 including taxes and charges.

      • SLC12:55
        19h 11m
        1 stop
        STL09:06
        Frontier Airlines|Salt Lake City - St. Louis|Tue, Jan 14
        NZD 89
        NZD 89

        Choose Frontier Airlines flights from Salt Lake City to St. Louis. The one-way connecting flight with Frontier Airlines departs from Salt Lake City International Airport on Tue, Jan 14, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 89 including taxes and charges.

      • ONT07:56
        9h 35m
        1 stop
        STL19:31
        Frontier Airlines|Ontario - St. Louis|Thu, Jan 16
        NZD 90
        NZD 90

        Choose Frontier Airlines flights from Ontario to St. Louis. The one-way connecting flight with Frontier Airlines departs from Ontario International Airport on Thu, Jan 16, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 90 including taxes and charges.

      • LAX21:30
        20h 1m
        1 stop
        STL19:31
        Frontier Airlines|Los Angeles - St. Louis|Wed, Jan 15
        NZD 90
        NZD 90

        Choose Frontier Airlines flights from Los Angeles to St. Louis. The one-way connecting flight with Frontier Airlines departs from Los Angeles International Airport on Wed, Jan 15, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 90 including taxes and charges.

      • DFW12:24
        11h 7m
        1 stop
        STL23:31
        Frontier Airlines|Dallas - St. Louis|Wed, Feb 5
        NZD 91
        NZD 91

        Choose Frontier Airlines flights from Dallas to St. Louis. The one-way connecting flight with Frontier Airlines departs from Dallas Fort Worth International Airport on Wed, Feb 5, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 91 including taxes and charges.

      • ATL21:59
        10h 23m
        1 stop
        STL07:22
        Frontier Airlines|Atlanta - St. Louis|Sat, Jan 25
        NZD 91
        NZD 91

        Choose Frontier Airlines flights from Atlanta to St. Louis. The one-way connecting flight with Frontier Airlines departs from Hartsfield-Jackson Atlanta International Airport on Sat, Jan 25, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 91 including taxes and charges.

      • PHX08:52
        7h 51m
        1 stop
        STL17:43
        Frontier Airlines|Phoenix - St. Louis|Wed, Mar 5
        NZD 92
        NZD 92

        Choose Frontier Airlines flights from Phoenix to St. Louis. The one-way connecting flight with Frontier Airlines departs from Sky Harbor International Airport on Wed, Mar 5, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 92 including taxes and charges.

      • SFO06:55
        24h 11m
        1 stop
        STL09:06
        Frontier Airlines|San Francisco - St. Louis|Tue, Jan 14
        NZD 92
        NZD 92

        Choose Frontier Airlines flights from San Francisco to St. Louis. The one-way connecting flight with Frontier Airlines departs from San Francisco International Airport on Tue, Jan 14, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 92 including taxes and charges.

      • SHA01:00 pm
        3h 5m
        Nonstop
        STL02:00 pm
        Frontier Airlines|Shanghai - St. Louis|Sat, Jan 18
        Find More Flights
        Find More Flights

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

When is the cheapest time to fly to St. Louis with Frontier Airlines?

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

There is 1 airport in St. Louis. Find the most suitable Frontier Airlines flights to St. Louis.

  • 21.12 km from central St. Louis
    St. Louis Lambert International Airport
    Tickets From
    NZD 35

About Frontier Airlines

Airline Name
Frontier Airlines
Airline Code
F9
Airline Type
Low-cost Carrier (LCC)
Popular Countries Frontier Airlines Flies to:
United States, Japan and Puerto Rico
Popular Frontier Airlines Arrival Cities
Popular Frontier Airlines Departure Cities
Based on Trip.com Historical Data

Frontier Airlines Flights to St. Louis - FAQ

  • Does Frontier Airlines have baggage allowance?

    0-1 pieces of luggage are usually permitted for each economy class passenger traveling with Frontier Airlines (F9). This information can vary depending on your flight, so be sure to check your itinerary.

  • How long is the flight to St. Louis?

    • Approx. 2 hours 6 minutes to fly from Denver to St. Louis.
    • Approx. 2 hours 42 minutes to fly from Orlando to St. Louis.
    • Approx. 4 hours 40 minutes to fly from Seattle to St. Louis.
    • Approx. 3 hours 58 minutes to fly from Las Vegas to St. Louis.

  • How to get cheap flights to St. Louis?

    You can book cheaper flights in the following ways:
    • Search for tickets to a city or airport near St. Louis.
    • Look up different airlines that have flights to St. Louis.
    • Browse different departure dates from the same month.
    • Filter for different departure times from the same day.
    • Check for discount information on various social media sites.
    • Explore deals and discounts on airline websites.

  • What is the most popular month to visit St. Louis?

    Understanding peak and off travel seasons to St. Louis can help you arrange your travel plans accordingly. The most popular month to visit St. Louis is January. The average price of flight tickets to St. Louis in January is NZD 591.

  • When are the cheapest flights to St. Louis?

    Flight tickets to St. Louis are the cheapest in April compared to other months, the average price is NZD 390.

  • What is the transportation method from the main airport to downtown in St. Louis?

    • The distance from St. Louis Lambert International Airport to downtown is about 20 km. It takes about 40 minutes by taxi.

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2025 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.