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$299+ Cheap flights from Green Bay to Missoula (GRB - MSO)

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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — MSO
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Green Bay to Missoula

Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) to Missoula (MSO). 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 29, 2025.

Round-trip from

$299
(American Airlines)
From Green Bay Austin-Straubel to Missoula Johnson-Bell Field
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Find flight deals from Green Bay to Missoula

Cheapest flights from Green Bay to Missoula
Explore the most affordable flight options available from Green Bay to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/27. 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.
Fri 8/296:02 amGRB - MSO
1 stop7h 14mAmerican Airlines
Mon 9/81:51 pmMSO - GRB
2 stops8h 37mAmerican Airlines
Deal found 7/27$299
This Delta deal was found by Cheapflights users on 7/28. 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.
Thu 11/64:16 pmGRB - MSO
1 stop6h 02mDelta
Wed 11/128:00 amMSO - GRB
2 stops7h 32mDelta
Deal found 7/28$329
This United Airlines deal was found by Cheapflights users on 7/27. 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 12/106:15 amGRB - MSO
2 stops16h 03mUnited Airlines
Sat 12/132:35 pmMSO - GRB
3 stops20h 43mUnited Airlines
Deal found 7/27$829

Cheapflights Fare Finder

 
Customize your flight search to find flights from Green Bay to Missoula 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 29, 2025.
Use the filters below to find and compare flights from Green Bay to Missoula that are best for you.

Fly from

Green Bay

Fly to

Missoula

Route

Depart

Return

Price

Green BayMissoula

GRB - MSO

GRBMSO

Green Bay Austin-Straubel

Fri 8/29

6:02 am-12:16 pm

1 stop7h 14m

Missoula Johnson-Bell Field

Mon 9/8

1:51 pm-11:28 pm

2 stops8h 37m

$299

Green BayMissoula

GRB - MSO

GRBMSO

Green Bay Austin-Straubel

Thu 11/6

4:16 pm-9:18 pm

1 stop6h 02m

Missoula Johnson-Bell Field

Wed 11/12

8:00 am-4:32 pm

2 stops7h 32m

$329

Green BayMissoula

GRB - MSO

GRBMSO

Green Bay Austin-Straubel

Wed 12/10

6:15 am-9:18 pm

2 stops16h 03m

Missoula Johnson-Bell Field

Sat 12/13

2:35 pm-12:18 pm

3 stops20h 43m

$829

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from Green Bay to Missoula

Have a flexible travel schedule? Discover the best time to fly to Missoula 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.

Reviews of airlines servicing Missoula

Get insights into the airlines that provide service to Missoula. 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 Missoula. Reviews last updated July 29, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Green Bay to Missoula. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,979 reviews

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

  • What are the cheapest airlines flying from Green Bay to Missoula round-trip?

    According to our current data, American Airlines ($299), Delta ($329), and United Airlines ($829) offers the cheapest pricing from Green Bay to Missoula.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Green Bay to Missoula 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 Missoula?

    Currently, October is the cheapest month in which you can book a flight from Green Bay to Missoula (average of $365). Flying from Green Bay to Missoula in March is currently the most expensive (average of $506). 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.

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Top airline flying from Green Bay to Missoula

Discover the top airline that operate flights from Green Bay to Missoula. 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$313Average$538FlexibilityNo cancel feeOn-time71%

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