HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Green Bay

$731+ Cheap flights from Great Falls to Green Bay (GTF - GRB)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — GRB
Aug 25 — Sep 11
Tue 8/25
Tue 9/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Great Falls to Green Bay with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Great Falls to Green Bay

Cheapest flights from Great Falls to Green Bay
Explore the most affordable flight options available from Great Falls to Green Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 26, 2026.

This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:15 am
GTF
-
GRB
2 stops9h 39m
United Airlines
Wed 8/2611:45 am
GRB
-
GTF
2 stops10h 27m
United Airlines
Deal found 7/22$731
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:15 am
GTF
-
GRB
2 stops16h 04m
United Airlines
Mon 8/106:52 pm
GRB
-
GTF
2 stops27h 20m
United Airlines
Deal found 7/22$927
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:15 am
GTF
-
GRB
2 stops16h 04m
United Airlines
Mon 10/196:20 am
GRB
-
GTF
2 stops32h 21m
United Airlines
Deal found 7/22$1,082

Find flight deals from Great Falls to Green Bay

Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) to Green Bay (GRB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 26, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$731
(United Airlines)
Provider with most accurate pricing for Great Falls-Green Bay Austin-Straubel flight deals.
Search Deals
Provider most trusted by Cheapflights users for Great Falls-Green Bay Austin-Straubel flights.
Search Deals
From Great Falls to Green Bay Austin-Straubel
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Great Falls to Green Bay that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 26, 2026.
Use the filters below to find and compare flights from Great Falls to Green Bay that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Great FallsGreen Bay

GTF - GRB

GTFGRB

Great Falls

Wed 8/19

6:15 am-4:54 pm

2 stops9h 39m

Green Bay Austin-Straubel

Wed 8/26

11:45 am-9:12 pm

2 stops10h 27m

$731

Great FallsGreen Bay

GTF - GRB

GTFGRB

Great Falls

Thu 8/6

6:15 am-11:19 pm

2 stops16h 04m

Green Bay Austin-Straubel

Mon 8/10

6:52 pm-9:12 pm

2 stops27h 20m

$927

Great FallsGreen Bay

GTF - GRB

GTFGRB

Great Falls

Fri 10/16

6:15 am-4:54 pm

3 stops9h 39m

Green Bay Austin-Straubel

Mon 10/19

10:33 am-9:22 pm

3 stops11h 49m

$2,147

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Great Falls-Green Bay flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Great Falls-Green Bay flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Great Falls-Green Bay flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Great Falls-Green Bay flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Great Falls-Green Bay flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Great Falls to Green Bay

Have a flexible travel schedule? Discover the best time to fly to Green Bay from Great Falls with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Great Falls to Green Bay. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Great Falls to Green Bay?

    United Airlines can get you from Great Falls to Green Bay in just under 9h 39m. Your travel time can differ by up to . Airlines will cover a distance of 1130 mi.

  • Can I find deals for flights from Great Falls to Green Bay that include hotel bookings?

    Yes. In addition to deals on Great Falls to Green Bay flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Great Falls to Green Bay?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Great Falls to Green Bay.

  • Can I find deals for business class flights from Great Falls to Green Bay?

    Yes. Cheapflights offers flight deals from Great Falls to Green Bay by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.