HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Montana

$427+ Cheap flights from Green Bay (GRB) to Montana

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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — BZN
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Green Bay to Montana 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.

Find flight deals from Green Bay to Montana

Cheapest flights from Green Bay to Montana
Explore the most affordable flight options available from Green Bay to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This American Airlines deal was found by Cheapflights users on 11/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:25 amGRB - BZN
1 stop30h 44mAmerican Airlines
Mon 12/291:34 pmBZN - GRB
1 stop7h 27mAmerican Airlines
Deal found 11/11$432
This American Airlines deal was found by Cheapflights users on 11/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:25 amGRB - BZN
1 stop6h 44mAmerican Airlines
Sat 12/271:34 pmBZN - GRB
1 stop19h 05mAmerican Airlines
Deal found 11/11$508
This United Airlines deal was found by Cheapflights users on 11/13. 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 12/125:21 pmGRB - BTM
2 stops30h 08mUnited Airlines
Tue 12/1610:00 amBTM - GRB
2 stops26h 00mUnited Airlines
Deal found 11/13$633
This Delta deal was found by Cheapflights users on 11/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/285:19 amGRB - BZN
1 stop9h 06mDelta
Tue 12/22:17 pmBZN - GRB
1 stop6h 23mDelta
Deal found 11/13$699
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Tue 12/235:22 pmGRB - MSO
2 stops29h 19mUnited Airlines
Mon 12/295:15 pmMSO - GRB
2 stops22h 32mUnited Airlines
Deal found 11/11$765
This Delta deal was found by Cheapflights users on 11/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/234:29 pmGRB - MSO
1 stop5h 11mDelta
Mon 12/298:10 amMSO - GRB
1 stop6h 39mDelta
Deal found 11/11$817
This United Airlines deal was found by Cheapflights users on 11/11. 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 12/310:45 amGRB - GTF
2 stops11h 47mUnited Airlines
Thu 12/46:15 amGTF - GRB
2 stops14h 17mUnited Airlines
Deal found 11/11$850
This Delta deal was found by Cheapflights users on 11/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1111:10 amGRB - HLN
2 stops12h 20mDelta
Sat 11/155:30 amHLN - GRB
2 stops9h 38mDelta
Deal found 11/10$867
This Delta deal was found by Cheapflights users on 11/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/224:29 pmGRB - MSO
1 stop5h 11mDelta
Sat 12/278:10 amMSO - GRB
1 stop6h 52mDelta
Deal found 11/11$933
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Mon 12/225:22 pmGRB - MSO
2 stops29h 19mUnited Airlines
Sat 12/275:15 pmMSO - GRB
2 stops20h 52mUnited Airlines
Deal found 11/11$968
This Delta deal was found by Cheapflights users on 11/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1111:10 amGRB - GTF
2 stops26h 22mDelta
Sat 11/155:30 amGTF - GRB
2 stops9h 07mDelta
Deal found 11/10$1,067
This American Airlines deal was found by Cheapflights users on 11/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:25 amGRB - MSO
1 stop8h 23mAmerican Airlines
Mon 12/297:00 amMSO - GRB
2 stops14h 01mAmerican Airlines
Deal found 11/11$1,128

Cheap flight deals from Green Bay to Montana

Keep the following information in mind while searching for Green Bay to Montana flight deals. Data was last updated November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$427
(Delta)

Popular in

February

Cheapest in

November

Average price

$256
Provider with most accurate pricing for Green Bay Austin-Straubel-Bozeman Gallatin Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Green Bay Austin-Straubel-Bozeman Gallatin Field flights.
Search Deals
From Green Bay Austin-Straubel to Montana
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Green Bay to Montana 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 November 13, 2025.
Use the filters below to find and compare flights from Green Bay to Montana that are best for you.

Fly from

Green Bay

Fly to

Montana

Route

Depart

Return

Price

Green BayKalispell

GRB - FCA

GRBFCA

Green Bay Austin-Straubel

Sat 4/25

5:25 pm-1:45 pm

2 stops21h 20m

Kalispell Glacier Park

Wed 4/29

3:00 pm-9:26 pm

1 stop5h 26m

$427

Green BayBozeman

GRB - BZN

GRBBZN

Green Bay Austin-Straubel

Tue 12/23

5:25 am-11:09 am

1 stop30h 44m

Bozeman Gallatin Field

Mon 12/29

1:34 pm-10:01 pm

1 stop7h 27m

$432

Green BayBozeman

GRB - BZN

GRBBZN

Green Bay Austin-Straubel

Sat 1/17

2:39 pm-11:44 am

1 stop22h 05m

Bozeman Gallatin Field

Sat 1/24

12:46 pm-9:31 pm

1 stop7h 45m

$448

Green BayBozeman

GRB - BZN

GRBBZN

Green Bay Austin-Straubel

Mon 12/22

5:25 am-11:09 am

1 stop6h 44m

Bozeman Gallatin Field

Sat 12/27

1:34 pm-9:39 am

1 stop19h 05m

$508

Green BayButte

GRB - BTM

GRBBTM

Green Bay Austin-Straubel

Fri 12/12

5:21 pm-10:29 pm

2 stops30h 08m

Butte Silver Bow Co

Tue 12/16

10:00 am-1:00 pm

2 stops26h 00m

$633

Green BayKalispell

GRB - FCA

GRBFCA

Green Bay Austin-Straubel

Sat 4/25

8:25 am-9:30 pm

3 stops14h 05m

Kalispell Glacier Park

Wed 4/29

6:31 am-7:05 pm

2 stops11h 34m

$635

Green BayCody

GRB - COD

GRBCOD

Green Bay Austin-Straubel

Fri 2/20

5:28 pm-1:10 pm

2 stops20h 42m

Cody E.E. Faust

Tue 2/24

1:45 pm-2:10 pm

2 stops23h 25m

$685

Green BayMissoula

GRB - MSO

GRBMSO

Green Bay Austin-Straubel

Tue 12/23

5:22 pm-9:41 pm

2 stops29h 19m

Missoula Johnson-Bell Field

Mon 12/29

5:15 pm-4:47 pm

2 stops22h 32m

$765

Green BayMissoula

GRB - MSO

GRBMSO

Green Bay Austin-Straubel

Tue 12/23

4:29 pm-8:40 pm

1 stop5h 11m

Missoula Johnson-Bell Field

Mon 12/29

8:10 am-3:49 pm

1 stop6h 39m

$817

Green BayGreat Falls

GRB - GTF

GRBGTF

Green Bay Austin-Straubel

Wed 12/3

10:45 am-9:32 pm

2 stops11h 47m

Great Falls

Thu 12/4

6:15 am-9:32 pm

2 stops14h 17m

$850

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

Showing 1-10 of 14 results
1
2

Best time to book a flight from Green Bay to Montana

Have a flexible travel schedule? Discover the best time to fly to Montana from Green Bay 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.

Cheapflights Insights

Everything you need to know about your flight from Green Bay to Montana

What is the cheapest month to book a flight from Green Bay to Montana?

Currently, March is the cheapest month in which you can book a flight from Green Bay to Montana (average of $179). Flying from Green Bay to Montana in June is currently the most expensive (average of $320). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Montana

Get insights into the airlines that provide service to Montana. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Montana. Reviews last updated November 13, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Green Bay to Montana by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,017 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,051 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

  • What airport do you fly from for flights from Green Bay to Montana?

    Green Bay Austin-Straubel (GRB) is the airport you will fly out of if you book a flight from Green Bay to Montana. It is only a 5.9 mi journey to Austin-Straubel (GRB) from Green Bay’s city center.

  • How long is the flight from Green Bay to Montana?

    Delta, American Airlines, and United Airlines can get you from Green Bay to Montana in just under 21h 20m. Your travel time can differ by up to 9h 24m. The distance from Green Bay to Montana is about 1265 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Green Bay to Montana?

    Most travelers choose Green Bay Austin-Straubel - Great Falls, Green Bay Austin-Straubel - Bozeman Gallatin Field or Green Bay Austin-Straubel - Missoula Johnson-Bell Field when deciding on the best route from Green Bay to Montana.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Green Bay to Montana?

    Currently, March is the cheapest month in which you can book a flight from Green Bay to Montana (average of $179). Flying from Green Bay to Montana in June is currently the most expensive (average of $320). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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.

Alternative routes for Green Bay to Montana

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to John F Kennedy Intl flights
O'Hare Intl to Las Vegas flights
O'Hare Intl to Sky Harbor Intl flights
O'Hare Intl to Dallas/Fort Worth flights
Minneapolis to Sky Harbor Intl flights
O'Hare Intl to Orlando flights
O'Hare Intl to LaGuardia flights
O'Hare Intl to Newark flights
O'Hare Intl to Los Angeles flights
O'Hare Intl to Miami flights
O'Hare Intl to Fort Lauderdale flights
Minneapolis to Las Vegas flights
Minneapolis to Dallas/Fort Worth flights
Minneapolis to Orlando flights
O'Hare Intl to Denver flights
Minneapolis to John F Kennedy Intl flights
O'Hare Intl to San Francisco flights
Minneapolis to Miami flights
Minneapolis to LaGuardia flights
O'Hare Intl to Tampa flights
O'Hare Intl to Atlanta flights
O'Hare Intl to Seattle flights
Minneapolis to Los Angeles flights
Minneapolis to Tampa flights
Minneapolis to Newark flights
Minneapolis to Fort Myers flights
Minneapolis to Seattle flights
Minneapolis to Fort Lauderdale flights
O'Hare Intl to Fort Myers flights
O'Hare Intl to Dulles Intl flights
O'Hare Intl to Boston flights
O'Hare Intl to Honolulu flights
Minneapolis to Denver flights
O'Hare Intl to Santa Ana flights
O'Hare Intl to Ontario flights
O'Hare Intl to Baltimore flights
O'Hare Intl to San Diego flights
O'Hare Intl to Philadelphia flights
O'Hare Intl to Salt Lake City flights
O'Hare Intl to New Orleans flights
O'Hare Intl to Reagan-National flights
O'Hare Intl to George Bush Intcntl flights
Minneapolis to San Diego flights
O'Hare Intl to Austin flights
Minneapolis to Honolulu flights
O'Hare Intl to Sarasota flights
O'Hare Intl to West Palm Beach flights
O'Hare Intl to Nashville flights
Milwaukee to Las Vegas flights
O'Hare Intl to Love Field flights

Top 3 airlines flying from Green Bay to Montana

Discover the top 3 airlines that operate flights from Green Bay to Montana. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$179Average$511FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$304Average$492FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$334Average$586FlexibilityNo cancel feeOn-time69%

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.