$271 Cheap Flights from Green Bay (GRB) to Great Falls (GTF)

View $271 flight on Sat, Oct 11, 2025Opens in a new window

Popular airlines from Green Bay Austin Straubel Intl. Airport (GRB) to Great Falls, MT (GTF-Great Falls Intl.)

Cheap Flights from Green Bay to Great Falls (GRB-GTF)

Prices were available within the past 7 days and start at $271 for one-way flights and $359 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Aug 23 - Tue, Aug 26
GRB
Green Bay
GTF
Great Falls
$359 Roundtrip, found 6 days ago
$359
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Aug 23 from Green Bay to Great Falls, returning Tue, Aug 26, priced at $359 found 6 days ago
Delta
Sat, Aug 23 - Mon, Aug 25
GRB
Green Bay
GTF
Great Falls
$389 Roundtrip, found 6 days ago
$389
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Aug 23 from Green Bay to Great Falls, returning Mon, Aug 25, priced at $389 found 6 days ago
Delta
Sat, Aug 23 - Sun, Aug 24
GRB
Green Bay
GTF
Great Falls
$409 Roundtrip, found 6 days ago
$409
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Aug 23 from Green Bay to Great Falls, returning Sun, Aug 24, priced at $409 found 6 days ago
United
Tue, Aug 19 - Tue, Aug 26
GRB
Green Bay
GTF
Great Falls
$459 Roundtrip, found 6 days ago
$459
Roundtrip
found 6 days ago
Select United flight, departing Tue, Aug 19 from Green Bay to Great Falls, returning Tue, Aug 26, priced at $459 found 6 days ago
Delta
Sat, Aug 23 - Wed, Aug 27
GRB
Green Bay
GTF
Great Falls
$503 Roundtrip, found 6 days ago
$503
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Aug 23 from Green Bay to Great Falls, returning Wed, Aug 27, priced at $503 found 6 days ago
United
Tue, Aug 19 - Mon, Aug 25
GRB
Green Bay
GTF
Great Falls
$522 Roundtrip, found 6 days ago
$522
Roundtrip
found 6 days ago
Select United flight, departing Tue, Aug 19 from Green Bay to Great Falls, returning Mon, Aug 25, priced at $522 found 6 days ago
United
Tue, Aug 19 - Wed, Aug 27
GRB
Green Bay
GTF
Great Falls
$548 Roundtrip, found 6 days ago
$548
Roundtrip
found 6 days ago
Select United flight, departing Tue, Aug 19 from Green Bay to Great Falls, returning Wed, Aug 27, priced at $548 found 6 days ago
United
Tue, Aug 19 - Sat, Aug 23
GRB
Green Bay
GTF
Great Falls
$573 Roundtrip, found 6 days ago
$573
Roundtrip
found 6 days ago
Select United flight, departing Tue, Aug 19 from Green Bay to Great Falls, returning Sat, Aug 23, priced at $573 found 6 days ago
Delta
Thu, Aug 21 - Tue, Aug 26
GRB
Green Bay
GTF
Great Falls
$594 Roundtrip, found 6 days ago
$594
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Aug 21 from Green Bay to Great Falls, returning Tue, Aug 26, priced at $594 found 6 days ago
Delta
Thu, Aug 21 - Sat, Aug 23
GRB
Green Bay
GTF
Great Falls
$599 Roundtrip, found 6 days ago
$599
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Aug 21 from Green Bay to Great Falls, returning Sat, Aug 23, priced at $599 found 6 days ago
Flights from Green Bay (GRB) to Great Falls (GTF)
Origin airport
Austin Straubel Intl.
Destination airport
Great Falls Intl.
Airlines serving
Delta, United
Roundtrip price
$358
Distance
1129 mi

Green Bay to Great Falls Flights

The cheapest times to fly from Green Bay to Great Falls

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Green Bay to Great Falls are during the month of August. You can find some of the cheapest flights from Green Bay to Great Falls with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Green Bay to Great Falls

Sunday is one of the best days to book for cheap flights from Green Bay to Great Falls: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Green Bay to Great Falls

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Green Bay to Great Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $271 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Green Bay to Great Falls flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Green Bay to Great Falls airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Austin Straubel Intl. Airport (GRB) to Great Falls Intl. Airport (GTF) cost?
Secure a cheap one-way flight from $271 or cheap return flight from $359 from Austin Straubel Intl. Airport (GRB) to Great Falls Intl. Airport (GTF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Austin Straubel Intl. Airport (GRB) to Great Falls Intl. Airport (GTF)?
Planning your trip for August is a good way to save, as it's the cheapest month for flights between GRB and GTF. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Austin Straubel Intl. Airport (GRB) to Great Falls Intl. Airport (GTF)?
To find the cheapest airline flying from GRB to GTF, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Austin Straubel Intl. Airport (GRB) to Great Falls Intl. Airport (GTF)?
There aren't any daily direct flights from Austin Straubel Intl. Airport (GRB) to Great Falls Intl. Airport (GTF). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from GRB to GTF?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Austin Straubel Intl. Airport (GRB) to Great Falls Intl. Airport (GTF)?
To touch down at Great Falls Intl. Airport (GTF) on schedule, choose a flight that takes off from Austin Straubel Intl. Airport (GRB) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Austin Straubel Intl. Airport (GRB) to Great Falls Intl. Airport (GTF) last-minute?
Last-minute bookings from GRB to GTF are usually more expensive. For the best rates, start looking for flights as early as possible. That being said, if you're flexible with your travel dates, it's possible to land a cheap ticket right before your journey.
Is it cheaper to book a GRB to GTF flight and hotel package?
Opting for a GRB to GTF flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our impressive range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Austin Straubel Intl. Airport (GRB) to Great Falls Intl. Airport (GTF)?
Typically, you're able to reschedule or cancel your GRB to GTF flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you'd like further information, go to our Customer Service portal.

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*Available to One Key members.