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$388+ 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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — MSO
Oct 29 — Nov 51
Wed 10/29
Wed 11/5
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 September 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$388
(Delta)
Provider with most accurate pricing for Green Bay Austin-Straubel-Missoula Johnson-Bell Field flight deals.
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Provider most trusted by Cheapflights users for Green Bay Austin-Straubel-Missoula Johnson-Bell Field flights.
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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 September 29, 2025.

This Delta deal was found by Cheapflights users on 9/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/254:16 pmGRB - MSO
1 stop6h 56mDelta
Mon 10/275:25 amMSO - GRB
2 stops14h 59mDelta
Deal found 9/27$388
This Delta deal was found by Cheapflights users on 9/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/254:16 pmGRB - MSO
1 stop6h 56mDelta
Wed 10/298:00 amMSO - GRB
1 stop6h 36mDelta
Deal found 9/27$400
This Delta deal was found by Cheapflights users on 9/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/254:16 pmGRB - MSO
1 stop6h 56mDelta
Sun 10/266:20 pmMSO - GRB
2 stops26h 04mDelta
Deal found 9/27$408
This Delta deal was found by Cheapflights users on 9/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/254:16 pmGRB - MSO
1 stop6h 56mDelta
Thu 10/305:25 amMSO - GRB
2 stops16h 27mDelta
Deal found 9/27$413
This Delta deal was found by Cheapflights users on 9/28. 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.
Wed 12/104:52 pmGRB - MSO
2 stops8h 44mDelta
Sat 12/135:01 amMSO - GRB
2 stops16h 36mDelta
Deal found 9/28$418
This Delta deal was found by Cheapflights users on 9/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/215:20 pmGRB - MSO
2 stops7h 57mDelta
Mon 10/275:25 amMSO - GRB
2 stops14h 59mDelta
Deal found 9/27$444
This Delta deal was found by Cheapflights users on 9/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/274:16 pmGRB - MSO
1 stop6h 24mDelta
Wed 10/298:00 amMSO - GRB
1 stop6h 36mDelta
Deal found 9/27$451
This Delta deal was found by Cheapflights users on 9/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/215:20 pmGRB - MSO
2 stops7h 57mDelta
Wed 10/298:00 amMSO - GRB
1 stop6h 36mDelta
Deal found 9/27$456
This United Airlines deal was found by Cheapflights users on 9/27. 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.
Sat 10/256:15 amGRB - MSO
1 stop6h 35mUnited Airlines
Sat 10/255:25 pmMSO - GRB
2 stops15h 46mUnited Airlines
Deal found 9/27$458
This United Airlines deal was found by Cheapflights users on 9/27. 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.
Sat 10/258:15 amGRB - MSO
2 stops9h 29mUnited Airlines
Tue 10/282:35 pmMSO - GRB
2 stops20h 58mUnited Airlines
Deal found 9/27$463
This Delta deal was found by Cheapflights users on 9/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/215:20 pmGRB - MSO
2 stops7h 57mDelta
Sun 10/266:20 pmMSO - GRB
2 stops26h 04mDelta
Deal found 9/27$464

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 September 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

Sat 10/25

4:16 pm-10:12 pm

1 stop6h 56m

Missoula Johnson-Bell Field

Mon 10/27

5:25 am-9:24 pm

2 stops14h 59m

$388

Green BayMissoula

GRB - MSO

GRBMSO

Green Bay Austin-Straubel

Sat 10/25

4:16 pm-10:12 pm

1 stop6h 56m

Missoula Johnson-Bell Field

Wed 10/29

6:20 pm-10:52 pm

2 stops27h 32m

$413

Green BayMissoula

GRB - MSO

GRBMSO

Green Bay Austin-Straubel

Sat 10/25

4:16 pm-10:12 pm

1 stop6h 56m

Missoula Johnson-Bell Field

Tue 10/28

6:20 pm-10:52 pm

2 stops27h 32m

$413

Green BayMissoula

GRB - MSO

GRBMSO

Green Bay Austin-Straubel

Wed 12/10

4:53 pm-12:35 am

2 stops8h 42m

Missoula Johnson-Bell Field

Sat 12/13

5:01 am-9:40 pm

2 stops15h 39m

$418

Green BayMissoula

GRB - MSO

GRBMSO

Green Bay Austin-Straubel

Mon 10/27

4:16 pm-9:40 pm

1 stop6h 24m

Missoula Johnson-Bell Field

Wed 10/29

8:00 am-3:36 pm

1 stop6h 36m

$451

Green BayMissoula

GRB - MSO

GRBMSO

Green Bay Austin-Straubel

Sat 10/25

8:15 am-4:44 pm

2 stops9h 29m

Missoula Johnson-Bell Field

Tue 10/28

2:35 pm-12:33 pm

2 stops20h 58m

$463

Green BayMissoula

GRB - MSO

GRBMSO

Green Bay Austin-Straubel

Sat 10/25

8:15 am-4:44 pm

2 stops9h 29m

Missoula Johnson-Bell Field

Mon 10/27

2:35 pm-10:11 am

2 stops18h 36m

$463

Green BayMissoula

GRB - MSO

GRBMSO

Green Bay Austin-Straubel

Tue 10/21

5:20 pm-12:17 am

2 stops7h 57m

Missoula Johnson-Bell Field

Sat 10/25

5:25 am-9:24 pm

2 stops14h 59m

$464

Green BayMissoula

GRB - MSO

GRBMSO

Green Bay Austin-Straubel

Tue 10/21

5:20 pm-12:17 am

2 stops7h 57m

Missoula Johnson-Bell Field

Sun 10/26

6:20 pm-9:24 pm

2 stops26h 04m

$464

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/27

Compare providers for flights from Green Bay to Missoula

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Green Bay to Missoula in September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Green Bay-Missoula flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Green Bay-Missoula flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Green Bay-Missoula flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Green Bay-Missoula flights, Cheapflights users trust FlightHub the most. FlightHub 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 Green Bay-Missoula 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 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 September 29, 2025.
Read reviews from past customers who have flown 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.
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Boarding

7.5

Comfort

7.2

Food

6.4

Crew

8.0

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Boarding

7.5

Comfort

7.2

Food

6.4

Crew

8.0

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

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.

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

    A quick flight from Green Bay to Missoula can take about 6h 56m. Delta provides one of the quickest options available for as low as $388. Airlines will cover a distance of 1257 mi.

  • What is the cheapest airline to fly from Green Bay to Missoula round-trip?

    According to our current data, American Airlines ($313), 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 $503). 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

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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 September 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$313Average$538FlexibilityNo cancel feeOn-time71%

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