Menu

Cheap flights from Great Falls to St Louis (GTF - STL)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

How to find the cheapest flight from
Great Falls (GTF) to St Louis (STL)

What is the cheapest day to fly round-trip from Great Falls to St Louis?

Wednesday is generally a great day to depart. Flying on this day could help you save up to 82%.

How far in advance should I book a flight from Great Falls to St Louis?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 31 days in advance, which can save you up to 96% on flights from Great Falls to St Louis compared to booking the week you need them. Waiting 31 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $374. For sooner than that we have options available in the next 3 days from $553.

What is the cheapest month to fly from Great Falls to St Louis?

August can be a great time to fly to St Louis from Great Falls with a flight ticket averaging about $266. Cheapflights users have found deals in the month of August for as cheap as $158. The most expensive prices can be found in the month of December.

When is the cheapest time to fly from Great Falls to St Louis (GTF - STL)?

A simple way to save on the total cost of your ticket is to fly from Great Falls to St Louis at noon. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight in the morning.

Related info for your journey

Useful info, stats and facts about Great Falls to St Louis flights.

Flight FAQs

From Great Falls to St Louis

Are flight prices decreasing from Great Falls to St Louis due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Great Falls and St Louis for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Does it rain more in Great Falls or St Louis?

In Great Falls, there will be less rainfall in Great Falls compared to St Louis over the next 8 days.

Is Great Falls weather warmer or cooler than St Louis?

We forecast the temperature to be around the 90 °F's in July, on average. The temperature in St Louis is generally hotter than in Great Falls. Book flights in a timely manner in correlation to your departure date.

Alternative routes for Great Falls to St Louis

Destination information for St Louis

Things to know before you go. Useful info for your trip from Great Falls to St Louis
Average temperature for November in St Louis
57.2 °F
Avg rainfall for November in St Louis
3.4 ″

Airports servicing Great Falls

Airports servicing St. Louis

Home North America USA Missouri St Louis Cheap flights from Great Falls to St Louis