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Fort Collins/Loveland to St. Louis | Find Cheap Flight Deals

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip

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

When is the cheapest time to book flights from Fort Collins/Loveland to St. Louis?

Price trend charts are a great way of tracking how much your flights cost in the lead up to departure and can help you choose when to book your tickets. See how prices to St. Louis from Fort Collins/Loveland have changed and are set to move below.

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

Frequently Asked Questions

  • When are flight tickets from Fort Collins/Loveland (FNL) to St. Louis (STL) the cheapest?

    Airlines adjust prices for flights from Fort Collins/Loveland to St. Louis 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 Fort Collins/Loveland (FNL) to St. Louis (STL) cost?

    According to Trip.com's data, the lowest price is around $9,092.
  • 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.

How to find a cheap flight from Fort Collins/Loveland to St. Louis

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.
1
Being flexible with your dates to get the cheapest Fort Collins/Loveland to St. Louis ticket.
Tap "Date" on flight search bar to scan through the calender for Fort Collins/Loveland to St. Louis airfare over next 6 months in 2025.
2
Compare cheap Fort Collins/Loveland to St. Louis flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Fort Collins/Loveland to St. Louis.
3
Set up a Price Alert
By setting up a Price Alert for your Fort Collins/Loveland to St. Louis route, you can easily track the price of your airline tickets from Fort Collins/Loveland to St. Louis without manually checking every day.
4
Don't miss cheap Fort Collins/Loveland to St. Louis flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com free app and search for cheap flight tickets from Fort Collins/Loveland to St. Louis to get exclusive deals for you.

Fort Collins/Loveland to St. Louis Flight Information

Off-season for travelJune
Peak season for travelMay
Flight distance1,286.33 km