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Green Bay

$196+ Cheap flights from Portland, ME to Green Bay (PWM - GRB)

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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — GRB
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Portland to Green Bay

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Green Bay (GRB). 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 11, 2025.

Round-trip from

$249
(United Airlines)

One-way from

$196
(American Airlines)

Popular in

November

Cheapest in

April

Average price

$371
From Portland to Green Bay Austin-Straubel
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One-way flight from Portland to Green Bay Austin-Straubel
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Highest demand for flights based on searches. 19% potential increase in price ($122 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Portland to Green Bay

Cheapest flights from Portland to Green Bay
Explore the most affordable flight options available from Portland to Green Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 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.
Fri 11/144:54 pmPWM - GRB
1 stop5h 44mUnited Airlines
Tue 11/186:15 amGRB - PWM
1 stop6h 57mUnited 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.
Fri 11/1412:30 pmPWM - GRB
2 stops8h 59mAmerican Airlines
Tue 11/1811:06 amGRB - PWM
2 stops9h 29mAmerican Airlines
Deal found 9/10$259
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:17 pmPWM - GRB
2 stops7h 13mAmerican Airlines
Sun 12/149:43 amGRB - PWM
2 stops11h 51mAmerican Airlines
Deal found 9/11$407
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.
Fri 12/126:00 amPWM - GRB
2 stops10h 37mDelta
Sun 12/1411:11 amGRB - PWM
1 stop3h 55mDelta
Deal found 9/11$464
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.
Sat 10/46:15 amPWM - GRB
1 stop5h 26mAmerican Airlines
Mon 10/66:00 amGRB - PWM
1 stop4h 28mAmerican Airlines
Deal found 9/10$470
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.
Sat 11/14:51 pmPWM - GRB
1 stop25h 55mUnited Airlines
Mon 11/38:00 amGRB - PWM
1 stop5h 12mUnited Airlines
Deal found 9/10$540
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.
Sat 10/45:45 amPWM - GRB
2 stops7h 59mUnited Airlines
Mon 10/65:25 pmGRB - PWM
2 stops29h 34mUnited Airlines
Deal found 9/10$544

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Green Bay 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 11, 2025.
Use the filters below to find and compare flights from Portland to Green Bay that are best for you.

Fly from

Portland

Fly to

Green Bay

Route

Depart

Return

Price

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Fri 11/14

4:54 pm-9:38 pm

1 stop5h 44m

Green Bay Austin-Straubel

Tue 11/18

6:15 am-2:12 pm

1 stop6h 57m

$249

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Fri 11/14

12:30 pm-8:29 pm

2 stops8h 59m

Green Bay Austin-Straubel

Tue 11/18

11:06 am-9:35 pm

2 stops9h 29m

$259

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Fri 12/12

5:17 pm-11:30 pm

2 stops7h 13m

Green Bay Austin-Straubel

Sun 12/14

7:17 am-4:36 pm

2 stops8h 19m

$407

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Fri 12/12

6:00 am-3:37 pm

2 stops10h 37m

Green Bay Austin-Straubel

Sun 12/14

11:11 am-4:06 pm

1 stop3h 55m

$464

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Sat 10/4

6:15 am-10:41 am

1 stop5h 26m

Green Bay Austin-Straubel

Mon 10/6

6:00 am-11:28 am

1 stop4h 28m

$470

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Sat 11/1

4:51 pm-5:46 pm

1 stop25h 55m

Green Bay Austin-Straubel

Mon 11/3

8:00 am-2:12 pm

1 stop5h 12m

$540

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Fri 11/14

5:21 pm-11:28 pm

2 stops7h 07m

$196

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Fri 11/14

4:54 pm-9:38 pm

1 stop5h 44m

$204

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Portland to Green Bay

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

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

Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Green Bay (average of $331). Flying from Portland, Maine to Green Bay in July is currently the most expensive (average of $463). 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.

What is the cheapest time of day to fly from PWM to GRB?

Find hourly flight availability from Portland to Green Bay. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

It’s optimal to fly from Portland, Maine to Green Bay in the morning. By choosing this option you can save up to 53% on the cost of your flight, compared to a flight at noon.

Reviews of airlines servicing Green Bay

Get insights into the airlines that provide service to Green Bay. 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 Green Bay. Reviews last updated September 11, 2025.
Peruse reviews from past customers who have flown with United Airlines from Portland to Green Bay to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

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

    For as low as $249, United Airlines can have you in Green Bay from Portland, Maine in 5h 44m. The distance between Portland, Maine and Green Bay is about 884 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Portland, Maine to Green Bay round-trip?

    Currently priced at $258, United Airlines will fly you from Portland, Maine to Green Bay and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. United Airlines is 47% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Green Bay (average of $331). Flying from Portland, Maine to Green Bay in July is currently the most expensive (average of $463). 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 Green Bay?

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Manitowoc

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Top airline flying from Portland to Green Bay

Discover the top airline that operate flights from Portland to Green Bay. 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 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$558FlexibilityNo cancel feeOn-time69%

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