CA $323 Cheap Flights from Great Falls (GTF) to St. Louis (STL)

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

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

Prices were available within the past 7 days and start at CA $323 for one-way flights and CA $662 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Hawaiian Airlines

Frequently asked questions

How much is a flight from GTF to Lambert Field?
Round-trip journeys between GTF and St. Louis Lambert International Airport start from CA $662. This figure is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — book ASAP so you don’t miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from GTF to STL?
Most flights can be canceled online, but whether you are charged a fee varies between airlines. If you do have to cancel your getaway, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from GTF to Lambert Field that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for GTF to St. Louis Lambert International Airport flights, you’ll see a “no change fees” filter for you to select.
How many hours is the flight from Great Falls Intl. Airport to STL?
Consider bringing your own entertainment (like some downloaded podcasts), as it takes an average of 4 hours and 37 minutes to fly to St. Louis Lambert International Airport from Great Falls Intl. Airport. A good pair of noise-canceling headphones will be handy too.
How far is the flight from Great Falls Intl. Airport to Lambert-St. Louis Intl. Airport (STL)?
It’s around 1,950 kilometers from Great Falls Intl. Airport to Lambert-St. Louis Intl. Airport (STL), so you’ll be up in the air for a while. Keep yourself entertained with things like playing cards (if you’re traveling with friends) or the latest bestseller.
Which airlines fly direct from Great Falls Intl. Airport (GTF) to Lambert-St. Louis Intl. Airport (STL)?
There are no direct flights, so you’ll have to make at least one stop between Great Falls Intl. Airport and St. Louis Lambert International Airport. Take advantage of the layover time to stretch your legs and freshen up.
Are Great Falls Intl. Airport (GTF) to Lambert-St. Louis Intl. Airport (STL) flight tickets cheaper when they're purchased at the last minute?
Airline tickets from GTF to STL are available up to 12 months before departure on Expedia. And although you may occasionally pick up a fantastic last-minute deal, it’s never something you can count on. Also, booking your flights ahead of time means you’ll have more options — and you can avoid landing the dreaded middle seat! We frequently update our fares to bring you the biggest bargains, so keep checking in for all the latest specials.
*Available to Expedia members.