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$179+ 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — PWM
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheap 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 septiembre 11, 2025.

Round-trip from

$249
(United Airlines)

One-way from

$179
(United Airlines)
From Green Bay Austin-Straubel to Portland
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One-way flight from Green Bay Austin-Straubel to Portland
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Find 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 septiembre 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/2310:40 amGRB - PWM
1 stop6h 02mUnited Airlines
mar. 10/284:51 pmPWM - GRB
1 stop5h 47mUnited Airlines
Deal found 9/10$249
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/236:00 amGRB - PWM
2 stops8h 35mAmerican Airlines
mar. 10/2812:34 pmPWM - GRB
2 stops8h 04mAmerican Airlines
Deal found 9/10$382
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/26:35 pmGRB - PWM
1 stop26h 09mUnited Airlines
mar. 10/76:14 amPWM - GRB
1 stop4h 51mUnited Airlines
Deal found 9/10$391
This Delta deal was found by Cheapflights users on 9/11. 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.
mar. 9/165:34 amGRB - PWM
2 stops9h 23mDelta
mié. 9/2412:40 pmPWM - GRB
2 stops11h 20mDelta
Deal found 9/11$499
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/23:01 pmGRB - PWM
2 stops7h 44mAmerican Airlines
mar. 10/77:44 amPWM - GRB
2 stops12h 54mAmerican Airlines
Deal found 9/10$521
This United Airlines deal was found by Cheapflights users on 9/9. 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.
mié. 10/12:40 pmGRB - PWM
2 stops7h 33mUnited Airlines
dom. 10/56:14 amPWM - GRB
1 stop15h 44mUnited Airlines
Deal found 9/9$597

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 septiembre 11, 2025.
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

jue. 10/23

6:15 am-2:33 pm

2 stops7h 18m

Portland

mar. 10/28

4:51 pm-9:38 pm

1 stop5h 47m

$284

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

jue. 10/2

6:35 pm-9:44 pm

1 stop26h 09m

Portland

mar. 10/7

6:14 am-10:05 am

1 stop4h 51m

$391

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

mar. 3/3

11:25 am-10:21 pm

2 stops9h 56m

Portland

sáb. 3/7

2:29 pm-9:33 pm

2 stops8h 04m

$473

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

mar. 3/3

8:25 am-3:16 pm

1 stop5h 51m

Portland

sáb. 3/7

6:00 am-10:35 am

1 stop5h 35m

$477

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

mar. 3/3

5:25 pm-11:00 am

2 stops16h 35m

Portland

sáb. 3/7

12:50 pm-4:38 pm

1 stop4h 48m

$512

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

jue. 10/2

3:01 pm-11:45 pm

2 stops7h 44m

Portland

mar. 10/7

7:44 am-7:38 pm

2 stops12h 54m

$521

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

mar. 11/18

8:00 am-2:12 pm

1 stop5h 12m

$179

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

vie. 9/26

2:40 pm-9:44 pm

1 stop6h 04m

$284

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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, January is the cheapest month in which you can book a flight from Green Bay to Portland, Maine (average of $296). Flying from Green Bay to Portland, Maine in July is currently the most expensive (average of $394). 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 septiembre 11, 2025.
Read reviews from past customers who have flown Delta, 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.
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

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
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

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
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

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 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 United Airlines and American Airlines fly from Green Bay to Portland, Maine in about 7h 18m. The time it takes to get you to your destination can typically vary by up to 2h 38m. 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 Delta. Our recent data shows that you can find tickets from as low as $248 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $259 and $318 round-trip.

  • 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, January is the cheapest month in which you can book a flight from Green Bay to Portland, Maine (average of $296). Flying from Green Bay to Portland, Maine in July is currently the most expensive (average of $394). 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
Brunswick
North Conway
Auburn
Conway
Lewiston

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Top 3 airlines flying from Green Bay to Portland

Discover the top 3 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$383FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$259Average$590FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$318Average$558FlexibilityNo cancel feeOn-time69%

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