What is the cheapest airline that flies from Green Bay Austin-Straubel to Montana?

United Airlines is the most popular carrier operating from Green Bay Austin-Straubel to Montana

What airlines fly to Montana?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Montana from Green Bay according to our data. United Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Montana. Keep in mind that there are 3 different airlines that fly to Montana on a routine basis, so you have a few additional options to choose from.

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

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

How many operators does momondo search for flights from Green Bay Austin-Straubel Airport to Montana?

There are 2 operators available for flights from Green Bay Austin-Straubel Airport to Montana as of August 2026.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Green Bay Austin-Straubel Airport to Montana.

What documentation or ID do you need to fly to Montana?

The necessary travel and health documents for your Montana 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.

$261 Cheap Flights from Green Bay to Montana in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Green Bay to Montana

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:30 am - 2:41 pmGRB Green Bay Austin-Straubel-FCA Kalispell Glacier Park

10h 11m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

3:35 pm - 10:04 pmFCA Kalispell Glacier Park-GRB Green Bay Austin-Straubel

5h 29m1 stop Minneapolis St Paul

$344Delta

Wed, Nov 4 - Wed, Nov 11

5:00 am - 11:24 amGRB Green Bay Austin-Straubel-MSO Missoula Johnson-Bell Field

7h 24m1 stop Chicago O'Hare Intl

2:38 pm - 11:19 pmMSO Missoula Johnson-Bell Field-GRB Green Bay Austin-Straubel

7h 41m2 stops Denver Intl Chicago O'Hare Intl

$344United Airlines

Sat, Oct 10 - Wed, Oct 21

6:15 am - 1:34 pmGRB Green Bay Austin-Straubel-FCA Kalispell Glacier Park

8h 19m2 stops Chicago O'Hare Intl Denver Intl

6:14 am - 7:10 pmFCA Kalispell Glacier Park-GRB Green Bay Austin-Straubel

11h 56m2 stops Denver Intl Chicago O'Hare Intl

$373United Airlines

Wed, Nov 4 - Tue, Nov 10

5:30 am - 2:40 pmGRB Green Bay Austin-Straubel-FCA Kalispell Glacier Park

10h 10m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

3:35 pm - 9:11 pmFCA Kalispell Glacier Park-GRB Green Bay Austin-Straubel

4h 36m1 stop Minneapolis St Paul

$374Delta

Wed, Nov 18 - Fri, Nov 27

5:30 am - 2:41 pmGRB Green Bay Austin-Straubel-FCA Kalispell Glacier Park

10h 11m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

12:25 pm - 10:04 pmFCA Kalispell Glacier Park-GRB Green Bay Austin-Straubel

8h 39m2 stops Salt Lake City Minneapolis St Paul

$380Delta

Wed, Nov 4 - Wed, Nov 11

5:00 am - 11:24 amGRB Green Bay Austin-Straubel-MSO Missoula Johnson-Bell Field

7h 24m1 stop Chicago O'Hare Intl

2:38 pm - 11:19 pmMSO Missoula Johnson-Bell Field-GRB Green Bay Austin-Straubel

7h 41m2 stops Denver Intl Chicago O'Hare Intl

$400United Airlines

Sat, Sep 26 - Tue, Oct 6

5:30 am - 5:33 pmGRB Green Bay Austin-Straubel-FCA Kalispell Glacier Park

13h 03m2 stops Atlanta Hartsfield-Jackson Salt Lake City

3:35 pm - 10:04 pmFCA Kalispell Glacier Park-GRB Green Bay Austin-Straubel

5h 29m1 stop Minneapolis St Paul

$414Delta

Wed, Nov 4 - Tue, Nov 10

5:43 am - 12:44 pmGRB Green Bay Austin-Straubel-FCA Kalispell Glacier Park

8h 01m1 stop Chicago O'Hare Intl

1:34 pm - 3:46 pmFCA Kalispell Glacier Park-GRB Green Bay Austin-Straubel

25h 12m1 stop Chicago O'Hare Intl

$611American Airlines

Tue, Sep 22 - Tue, Sep 29

5:43 am - 12:44 pmGRB Green Bay Austin-Straubel-FCA Kalispell Glacier Park

8h 01m1 stop Chicago O'Hare Intl

2:12 pm - 6:17 pmFCA Kalispell Glacier Park-GRB Green Bay Austin-Straubel

27h 05m1 stop Chicago O'Hare Intl

$673American Airlines

Fri, Oct 2 - Wed, Oct 7

10:05 am - 12:44 pmGRB Green Bay Austin-Straubel-FCA Kalispell Glacier Park

27h 39m1 stop Chicago O'Hare Intl

2:12 pm - 12:12 amFCA Kalispell Glacier Park-GRB Green Bay Austin-Straubel

9h 00m1 stop Chicago O'Hare Intl

$688American Airlines

Thu, Oct 1 - Wed, Oct 7

Cheap last minute flights

Enter your travel dates to find the best prices.

6:15 am - 10:21 amGRB Green Bay Austin-Straubel-BZN Bozeman Gallatin Field

5h 06m1 stop Minneapolis St Paul

6:17 am - 11:22 amBZN Bozeman Gallatin Field-GRB Green Bay Austin-Straubel

4h 05m1 stop Minneapolis St Paul

$454Delta

Wed, Sep 2 - Thu, Oct 1

6:15 am - 10:21 amGRB Green Bay Austin-Straubel-BZN Bozeman Gallatin Field

5h 06m1 stop Minneapolis St Paul

6:17 am - 11:22 amBZN Bozeman Gallatin Field-GRB Green Bay Austin-Straubel

4h 05m1 stop Minneapolis St Paul

$454Delta

Tue, Sep 1 - Thu, Oct 1

6:15 am - 2:34 pmGRB Green Bay Austin-Straubel-BZN Bozeman Gallatin Field

9h 19m2 stops Minneapolis St Paul Seattle/Tacoma Intl

6:17 am - 11:22 amBZN Bozeman Gallatin Field-GRB Green Bay Austin-Straubel

4h 05m1 stop Minneapolis St Paul

$459Delta

Tue, Sep 1 - Thu, Oct 1

5:30 am - 1:05 pmGRB Green Bay Austin-Straubel-BZN Bozeman Gallatin Field

8h 35m1 stop Atlanta Hartsfield-Jackson

6:17 am - 11:22 amBZN Bozeman Gallatin Field-GRB Green Bay Austin-Straubel

4h 05m1 stop Minneapolis St Paul

$464Delta

Mon, Aug 31 - Thu, Oct 1

6:15 am - 10:21 amGRB Green Bay Austin-Straubel-BZN Bozeman Gallatin Field

5h 06m1 stop Minneapolis St Paul

6:19 am - 11:04 amBZN Bozeman Gallatin Field-GRB Green Bay Austin-Straubel

3h 45m1 stop Minneapolis St Paul

$469Delta

Tue, Sep 1 - Sat, Sep 5

6:25 am - 11:40 amGRB Green Bay Austin-Straubel-BZN Bozeman Gallatin Field

6h 15m1 stop Chicago O'Hare Intl

4:23 pm - 11:19 pmBZN Bozeman Gallatin Field-GRB Green Bay Austin-Straubel

5h 56m1 stop Chicago O'Hare Intl

$514United Airlines

Wed, Sep 2 - Tue, Sep 8

6:25 am - 11:40 amGRB Green Bay Austin-Straubel-BZN Bozeman Gallatin Field

6h 15m1 stop Chicago O'Hare Intl

4:23 pm - 11:19 pmBZN Bozeman Gallatin Field-GRB Green Bay Austin-Straubel

5h 56m1 stop Chicago O'Hare Intl

$514United Airlines

Tue, Sep 1 - Tue, Sep 8

11:45 am - 9:31 pmGRB Green Bay Austin-Straubel-MSO Missoula Johnson-Bell Field

10h 46m2 stops Chicago O'Hare Intl Denver Intl

2:38 pm - 11:19 pmMSO Missoula Johnson-Bell Field-GRB Green Bay Austin-Straubel

7h 41m2 stops Denver Intl Chicago O'Hare Intl

$519United Airlines

Tue, Sep 1 - Wed, Oct 7

11:45 am - 10:45 pmGRB Green Bay Austin-Straubel-COD Cody E.E. Faust

12h 00m2 stops Chicago O'Hare Intl Denver Intl

5:53 pm - 11:29 amCOD Cody E.E. Faust-GRB Green Bay Austin-Straubel

16h 36m2 stops Denver Intl Newark

$559United Airlines

Tue, Sep 1 - Sat, Sep 5

5:55 am - 12:48 pmGRB Green Bay Austin-Straubel-MSO Missoula Johnson-Bell Field

7h 53m1 stop Chicago O'Hare Intl

1:48 pm - 12:12 amMSO Missoula Johnson-Bell Field-GRB Green Bay Austin-Straubel

9h 24m1 stop Chicago O'Hare Intl

$955American Airlines

Tue, Sep 1 - Wed, Oct 7

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United Airlines flights from Green Bay to Montana

Our best United Airlines deals on Green Bay to Montana flight tickets

United Airlines

Oct 10

GRB5:00 amGreen Bay Austin-Straubel

7h 24m

1 stop

MSO11:24 amMissoula Johnson-Bell Field

Oct 21

MSO2:38 pmMissoula Johnson-Bell Field

7h 41m

2 stops

GRB11:19 pmGreen Bay Austin-Straubel

$344

United Airlines

Nov 4

GRB6:15 amGreen Bay Austin-Straubel

8h 19m

2 stops

FCA1:34 pmKalispell Glacier Park

Nov 10

FCA6:14 amKalispell Glacier Park

11h 56m

2 stops

GRB7:10 pmGreen Bay Austin-Straubel

$373

United Airlines

Sep 26

GRB5:00 amGreen Bay Austin-Straubel

7h 24m

1 stop

MSO11:24 amMissoula Johnson-Bell Field

Oct 6

MSO2:38 pmMissoula Johnson-Bell Field

7h 41m

2 stops

GRB11:19 pmGreen Bay Austin-Straubel

$400

Delta flights from Green Bay to Montana

Our best Delta deals on Green Bay to Montana flight tickets

Delta

Nov 4

GRB5:30 amGreen Bay Austin-Straubel

10h 11m

2 stops

FCA2:41 pmKalispell Glacier Park

Nov 11

FCA3:35 pmKalispell Glacier Park

5h 29m

1 stop

GRB10:04 pmGreen Bay Austin-Straubel

$344

Delta

Nov 18

GRB5:30 amGreen Bay Austin-Straubel

10h 10m

2 stops

FCA2:40 pmKalispell Glacier Park

Nov 27

FCA3:35 pmKalispell Glacier Park

4h 36m

1 stop

GRB9:11 pmGreen Bay Austin-Straubel

$374

Delta

Nov 4

GRB5:30 amGreen Bay Austin-Straubel

10h 11m

2 stops

FCA2:41 pmKalispell Glacier Park

Nov 11

FCA12:25 pmKalispell Glacier Park

8h 39m

2 stops

GRB10:04 pmGreen Bay Austin-Straubel

$380

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Green BayKalispell

GRB Green Bay Austin-Straubel - FCA Kalispell Glacier Park

GRBFCA

Green Bay Austin-Straubel

Wed 11/4

5:30 am-2:41 pm

2 stops10h 11m

Kalispell Glacier Park

Wed 11/11

3:35 pm-10:04 pm

1 stop5h 29m

$344

Green BayMissoula

GRB Green Bay Austin-Straubel - MSO Missoula Johnson-Bell Field

GRBMSO

Green Bay Austin-Straubel

Sat 10/10

5:00 am-11:24 am

1 stop7h 24m

Missoula Johnson-Bell Field

Wed 10/21

2:38 pm-11:19 pm

2 stops7h 41m

$344

Green BayKalispell

GRB Green Bay Austin-Straubel - FCA Kalispell Glacier Park

GRBFCA

Green Bay Austin-Straubel

Wed 11/4

6:15 am-1:34 pm

2 stops8h 19m

Kalispell Glacier Park

Tue 11/10

6:14 am-7:10 pm

2 stops11h 56m

$373

Quickest round-trip

Green BayKalispell

GRB Green Bay Austin-Straubel - FCA Kalispell Glacier Park

GRBFCA

Green Bay Austin-Straubel

Wed 11/18

5:30 am-2:40 pm

2 stops10h 10m

Kalispell Glacier Park

Fri 11/27

3:35 pm-9:11 pm

1 stop4h 36m

$374

Green BayKalispell

GRB Green Bay Austin-Straubel - FCA Kalispell Glacier Park

GRBFCA

Green Bay Austin-Straubel

Wed 11/4

5:30 am-2:41 pm

2 stops10h 11m

Kalispell Glacier Park

Wed 11/11

12:25 pm-10:04 pm

2 stops8h 39m

$380

Green BayMissoula

GRB Green Bay Austin-Straubel - MSO Missoula Johnson-Bell Field

GRBMSO

Green Bay Austin-Straubel

Sat 9/26

5:00 am-11:24 am

1 stop7h 24m

Missoula Johnson-Bell Field

Tue 10/6

2:38 pm-11:19 pm

2 stops7h 41m

$400

Green BayKalispell

GRB Green Bay Austin-Straubel - FCA Kalispell Glacier Park

GRBFCA

Green Bay Austin-Straubel

Wed 11/4

5:30 am-5:33 pm

2 stops13h 03m

Kalispell Glacier Park

Tue 11/10

3:35 pm-10:04 pm

1 stop5h 29m

$414

Green BayKalispell

GRB Green Bay Austin-Straubel - FCA Kalispell Glacier Park

GRBFCA

Green Bay Austin-Straubel

Tue 9/22

5:43 am-12:44 pm

1 stop8h 01m

Kalispell Glacier Park

Tue 9/29

1:34 pm-3:46 pm

1 stop25h 12m

$611

Green BayKalispell

GRB Green Bay Austin-Straubel - FCA Kalispell Glacier Park

GRBFCA

Green Bay Austin-Straubel

Fri 10/2

5:43 am-12:44 pm

1 stop8h 01m

Kalispell Glacier Park

Wed 10/7

2:12 pm-6:17 pm

1 stop27h 05m

$673

Green BayKalispell

GRB Green Bay Austin-Straubel - FCA Kalispell Glacier Park

GRBFCA

Green Bay Austin-Straubel

Thu 10/1

10:05 am-12:44 pm

1 stop27h 39m

Kalispell Glacier Park

Wed 10/7

2:12 pm-12:12 am

1 stop9h 00m

$688

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from Green Bay to Montana

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Can stopping save me money on Green Bay to Montana flights?

You could potentially save up to 43% on your flight if you consider stops on a Green Bay to Montana flight.

Cheap Green Bay to Montana flight deals and tips

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

Best Price Found	$261
Fastest flight time	5h 49m
Direct flights	None

The best one-way flight to Montana from Green Bay in the past 72 hours is $261. The best round-trip flight deal from Green Bay to Montana found on momondo in the last 72 hours is $344.

The fastest flight from Green Bay to Montana takes 5h 49m

There are no direct flights from Green Bay to Montana. There are no popular flight routes from Green Bay to Montana.

Search flight deals

Frequently asked questions about flying from Green Bay to Montana

When did momondo last update prices for flights from Green Bay Austin-Straubel Airport to Montana?
Prices for flights from Green Bay Austin-Straubel Airport to Montana are updated daily.
How many operators does momondo search for flights from Green Bay Austin-Straubel Airport to Montana?
There are 2 operators available for flights from Green Bay Austin-Straubel Airport to Montana as of August 2026.
How old do you have to be to fly from Green Bay Austin-Straubel Airport to Montana?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Green Bay Austin-Straubel Airport to Montana.
What documentation or ID do you need to fly to Montana?
The necessary travel and health documents for your Montana 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.

Best airlines flying from Green Bay to Montana

Compare and see reviews for airlines that fly from Green Bay to Montana with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $290	Free Cancellation	Rating 7.4 10,138 reviews		Search United Airlines flights
American Airlines	PriceFrom $478	Free Cancellation	Rating 7.1 12,019 reviews		Search American Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Green Bay to Montana for you.

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

momondo does allow users to show only those flights to Montana from Green Bay which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Green Bay and Montana by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Green Bay to Montana flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.