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Green Bay

$261+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — GRB
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$265
(Delta)

One-way from

$261
(United Airlines)

Popular in

November

Cheapest in

April

Average price

$284
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. 18% potential increase in price ($109 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 June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/65:30 pmPWM - GRB
1 stop6h 52mDelta
Tue 9/912:06 pmGRB - PWM
2 stops10h 57mDelta
Deal found 6/10$265
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 7/224:56 pmPWM - GRB
1 stop5h 41mUnited Airlines
Fri 7/251:10 pmGRB - PWM
2 stops9h 49mUnited Airlines
Deal found 6/10$448
This American Airlines deal was found by Cheapflights users on 6/10. 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 6/206:00 amPWM - GRB
2 stops9h 01mAmerican Airlines
Mon 6/236:00 amGRB - PWM
1 stop4h 29mAmerican Airlines
Deal found 6/10$568

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 June 12, 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

Sat 9/6

5:30 pm-11:22 pm

1 stop6h 52m

Green Bay Austin-Straubel

Tue 9/9

12:06 pm-12:03 am

2 stops10h 57m

$265

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Tue 7/22

4:56 pm-9:37 pm

1 stop5h 41m

Green Bay Austin-Straubel

Fri 7/25

1:10 pm-11:59 pm

2 stops9h 49m

$448

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Thu 7/31

6:15 am-11:29 pm

1 stop18h 14m

Green Bay Austin-Straubel

Sun 8/3

6:19 pm-11:32 am

1 stop16h 13m

$659

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Sat 8/16

6:10 am-10:11 am

1 stop5h 01m

$261

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Sat 8/16

6:00 am-5:56 pm

2 stops12h 56m

$339

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Sat 8/16

6:00 am-4:31 pm

2 stops11h 31m

$345

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 $475). 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 June 12, 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.

Rainfall in Green Bay by month

Plan your trip to Green Bay by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Green Bay ranges from 1.1 - 3.9 inches per month. June is typically the wettest month, when rainfall can reach 3.9 in. January is typically the driest time to visit Green Bay when rainfall is around 1.1 in.

Temperature in Green Bay by month

Plan your trip to Green Bay by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Green Bay, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

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 June 12, 2025.
Read through reviews of airlines operating flights from Portland to Green Bay, such as Delta, United Airlines and American Airlines. 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
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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 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.

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

    Currently priced at $265, Delta will fly you from Portland, Maine to Green Bay and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and American Airlines - these airlines can fly you to your destination from $448 and $659, respectively. Delta is 46% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Portland, Maine to Green Bay one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $261. Users have also found prices from $339 and $345 on American Airlines and Delta, respectively.

  • 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 $475). 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
Marinette
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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$283Average$525FlexibilityNo cancel feeOn-time69%

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