Cheap flights from Great Falls to Green Bay from $611

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Great Falls to Green Bay departing on 1/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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United Airlines Logo
2:29 pm - 9:31 pmGTF-GRB
30h 02m2 stops
United Airlines Logo
6:31 am - 1:48 pmGRB-GTF
8h 17m2 stops
$611United Airlines
Find Deal
Tue, Jan 20 - Sat, Jan 24

United Airlines flights from Great Falls to Green Bay

Our best United Airlines deals on Great Falls to Green Bay flight tickets
United Airlines
Jan 20
GTF2:29 pmGreat Falls
30h 02m
2 stops
GRB9:31 pmGreen Bay Austin-Straubel
Jan 24
GRB6:31 amGreen Bay Austin-Straubel
8h 17m
2 stops
GTF1:48 pmGreat Falls
United Airlines
Dec 4
GTF6:15 amGreat Falls
14h 17m
2 stops
GRB9:32 pmGreen Bay Austin-Straubel
Dec 9
GRB3:51 pmGreen Bay Austin-Straubel
22h 48m
2 stops
GTF1:39 pmGreat Falls
United Airlines
Dec 4
GTF6:15 amGreat Falls
14h 17m
2 stops
GRB9:32 pmGreen Bay Austin-Straubel
Dec 9
GRB3:51 pmGreen Bay Austin-Straubel
22h 48m
2 stops
GTF1:39 pmGreat Falls

momondo 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, momondo users made 832,500 searches. Data last updated November 29, 2025.
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

Great FallsGreen Bay

GTF - GRB

GTFGRB

Great Falls

Tue 1/20

2:29 pm-9:31 pm

2 stops30h 02m

Green Bay Austin-Straubel

Sat 1/24

6:31 am-1:48 pm

2 stops8h 17m

$611

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Great Falls to Green Bay

Are you open to changing your travel dates? Check out the ideal times to fly from Great Falls to Green Bay according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Great Falls to Green Bay (GTF to GRB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Great Falls to Green Bay

Fastest flight time

14h 17m

Direct flights

None
The fastest flight from Great Falls to Green Bay takes 14h 17m
There are no direct flights from Great Falls to Green Bay. There are no popular flight routes from Great Falls to Green Bay.
  • How far is Great Falls to Green Bay Austin-Straubel by plane?

    A flight from Great Falls to Green Bay Austin-Straubel will travel around 1130.8 mi. In terms of flight time, this usually takes a little over 30h 02m.

  • When did momondo last update prices for flights from Great Falls Airport to Green Bay Austin-Straubel Airport?

    Prices for flights from Great Falls Airport to Green Bay Austin-Straubel Airport are updated daily.

  • How old do you have to be to fly from Great Falls Airport to Green Bay Austin-Straubel Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Great Falls Airport to Green Bay Austin-Straubel Airport.

  • What documentation or ID do you need to fly to Green Bay Austin-Straubel Airport?

    The necessary travel and health documents for your Green Bay Austin-Straubel Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Great Falls to Green Bay?

    Confirm your travel details to search for the latest offers for flights from Great Falls to Green Bay. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Great Falls to Green Bay with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Green Bay?

Book flights to Green Bay if you plan to visit one of these locations
Sturgeon Bay
Manitowoc
Marinette
Shawano
De Pere

Why use momondo?

Why should I use momondo to find a flight deal from Great Falls to Green Bay?

Finding the right flight to Green Bay from Great Falls is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Green Bay quick and easy, saving you time and money.

Can I find flights from Great Falls to Green Bay with flexible booking policies on momondo?

All flight searches from Great Falls to Green Bay on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Great Falls to Green Bay?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Great Falls to Green Bay.

I’m not ready to book a flight from Great Falls to Green Bay right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Great Falls to Green Bay flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Mon 12/29
Mon 1/5

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