CA $473 Cheap Flights from St. Louis (STL) to Great Falls (GTF)

Popular airlines from Lambert-St. Louis International Airport (STL) to Great Falls, MT (GTF-Great Falls Intl.)

  • Be in the know

    Get alerts if flight prices drop or rise*
  • Book smarter

    Save up to 30% on select hotels after you book a flight*
  • Earn twice

    Earn your airline miles on top of our rewards

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

Prices were available within the past 7 days and start at CA $473 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much is a flight from Lambert Field to GTF?
The lowest price advertised for a round-trip flight between STL and Great Falls Intl. Airport (GTF) is . But you better act quick. This figure is based on fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from STL to Great Falls Intl. Airport?
The majority of flights can be cancelled online, but whether you incur a fee depends on your airline. If you do need to cancel your escape, follow the instructions in the Customer Service Portal.
How do I find cheap flights from STL to GTF that have flexible change policies?
Plenty of airlines will allow you to move your flight without a change fee. All you pay is any additional cost for the new flight. When searching for Lambert Field to Great Falls Intl. Airport (GTF) flights, you'll find a "No change fees" filter for you to tick.
How many hours is the flight from STL to Great Falls Intl. Airport (GTF)?
There are lots of ways to make the 5 hours and 10 minutes between Lambert Field and GTF go by faster. Be productive and organize your camera roll or clear out all those backed-up emails. A snooze also helps pass the time!
How far is the flight from Lambert Field to Great Falls Intl. Airport (GTF)?
Expect to be in the air for a while, as the flight distance between St. Louis and Great Falls is 1,950 kilometres. Set up a playlist of your favourite tunes before you leave home to stay entertained during the journey.
Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to Great Falls Intl. Airport (GTF)?
You won't find any airlines flying directly between Lambert Field and Great Falls Intl. Airport, so be ready to make at least one stop on your journey. A layover can be a nice way to break up a trip!
Are Lambert Field to GTF flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Lambert-St. Louis Intl. Airport (STL) to Great Falls Intl. Airport (GTF) at the last minute could be your ticket to a fantastic deal. However, it might cost you a whole lot more! If you'd rather not take any chances, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back frequently as deals are updated all the time on Expedia.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Great Falls Intl.
Distance
1940 km

Book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.