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$231+ Cheap flights from Green Bay to Portland, ME (GRB - PWM)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — PWM
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Green Bay to Portland

Cheapest flights from Green Bay to Portland
Explore the most affordable flight options available from Green Bay to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This American Airlines deal was found by Cheapflights users on 1/27. 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.
Wed 2/116:00 am
GRB
-
PWM
2 stops8h 31m
American Airlines
Sun 2/155:40 pm
PWM
-
GRB
1 stop6h 52m
American Airlines
Deal found 1/27$412
This American Airlines deal was found by Cheapflights users on 1/25. 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 9/226:29 pm
GRB
-
PWM
1 stop4h 44m
American Airlines
Sun 9/276:00 am
PWM
-
GRB
2 stops9h 13m
American Airlines
Deal found 1/25$427
This United Airlines deal was found by Cheapflights users on 1/24. 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 1/276:31 am
GRB
-
PWM
2 stops7h 00m
United Airlines
Sat 1/314:10 pm
PWM
-
GRB
1 stop6h 21m
United Airlines
Deal found 1/24$429
This United Airlines deal was found by Cheapflights users on 1/25. 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 1/286:31 am
GRB
-
PWM
1 stop7h 08m
United Airlines
Sat 1/314:10 pm
PWM
-
GRB
1 stop6h 21m
United Airlines
Deal found 1/25$439
This American Airlines deal was found by Cheapflights users on 1/26. 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 2/1011:20 am
GRB
-
PWM
2 stops10h 34m
American Airlines
Sat 2/146:49 pm
PWM
-
GRB
2 stops16h 07m
American Airlines
Deal found 1/26$458
This Delta deal was found by Cheapflights users on 1/27. 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.
Sun 6/75:30 am
GRB
-
PWM
1 stop5h 48m
Delta
Sat 6/1312:50 pm
PWM
-
GRB
1 stop4h 43m
Delta
Deal found 1/27$468
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Sun 6/71:11 pm
GRB
-
PWM
1 stop7h 47m
United Airlines
Sat 6/136:00 am
PWM
-
GRB
2 stops11h 51m
United Airlines
Deal found 1/27$472

Find flight deals from Green Bay to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) to Portland (PWM). 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$412
(American Airlines)

One-way from

$231
(American Airlines)
Provider with most accurate pricing for Green Bay Austin-Straubel-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Green Bay Austin-Straubel-Portland flights.
Search Deals
From Green Bay Austin-Straubel to Portland
Search Deals
One-way flight from Green Bay Austin-Straubel to Portland
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Green Bay to Portland 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 January 27, 2026.
Use the filters below to find and compare flights from Green Bay to Portland that are best for you.

Fly from

Green Bay

Fly to

Portland

Route

Depart

Return

Price

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Wed 2/11

6:00 am-3:31 pm

2 stops8h 31m

Portland

Sun 2/15

5:40 pm-11:32 pm

1 stop6h 52m

$412

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Tue 2/10

11:20 am-10:54 pm

2 stops10h 34m

Portland

Sat 2/14

6:49 pm-9:56 am

2 stops16h 07m

$458

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Sun 6/7

5:30 am-12:18 pm

1 stop5h 48m

Portland

Sat 6/13

12:50 pm-4:33 pm

1 stop4h 43m

$468

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Sun 6/7

1:11 pm-9:58 pm

1 stop7h 47m

Portland

Sat 6/13

6:00 am-4:51 pm

2 stops11h 51m

$472

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Wed 2/11

8:00 am-2:39 pm

1 stop5h 39m

Portland

Sun 2/15

5:45 am-9:50 am

1 stop5h 05m

$591

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Sun 6/7

6:08 am-2:03 pm

2 stops6h 55m

Portland

Sat 6/13

1:31 pm-11:38 pm

2 stops11h 07m

$667

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Tue 2/10

6:31 am-2:39 pm

1 stop7h 08m

Portland

Sat 2/14

4:15 pm-9:50 am

1 stop18h 35m

$698

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Wed 5/6

5:18 pm-11:10 pm

1 stop4h 52m

$231

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Wed 5/6

5:15 am-3:57 pm

2 stops9h 42m

$259

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Thu 5/7

5:18 pm-11:10 pm

1 stop4h 52m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 11 results
1
2

Compare providers for flights from Green Bay to Portland

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 Portland in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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-Portland, Maine flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Green Bay-Portland, Maine flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Green Bay-Portland, Maine flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Green Bay-Portland, Maine 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-Portland, Maine 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 Portland

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

What is the cheapest month to book a flight from Green Bay to Portland, Maine?

Currently, November is the cheapest month in which you can book a flight from Green Bay to Portland, Maine (average of $174). Flying from Green Bay to Portland, Maine in July is currently the most expensive (average of $282). 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 Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated January 27, 2026.
Read reviews from past customers who have flown United Airlines and American Airlines from Green Bay to Portland. 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.
United Airlines
7.4
Good
9,205 reviews

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,205 reviews
United Airlines
7.4
Good
9,205 reviews

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,197 reviews
United Airlines
7.4
Good
9,205 reviews

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Green Bay to Portland. 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 Portland, Maine?

    Airlines like American Airlines, Delta, and United Airlines fly from Green Bay to Portland, Maine in about 5h 48m. The time it takes to get you to your destination can typically vary by up to 2h 43m. Green Bay and Portland, Maine are separated by a distance of 884 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Green Bay to Portland, Maine round-trip?

    Our cheapest airline available from Green Bay to Portland, Maine is American Airlines. Our recent data shows that you can find tickets from as low as $259 on this airline. An additional option worth looking into is United Airlines, starting at $318.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Green Bay to Portland 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 Portland, Maine?

    Currently, November is the cheapest month in which you can book a flight from Green Bay to Portland, Maine (average of $174). Flying from Green Bay to Portland, Maine in July is currently the most expensive (average of $282). 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

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Brunswick
Auburn
Conway

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Top 2 airlines flying from Green Bay to Portland

Discover the top 2 airlines that operate flights from Green Bay to Portland. 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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$259Average$590FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$318Average$466FlexibilityNo cancel feeOn-time69%

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