How long is the flight from Portland, Maine to Green Bay?

For as low as $324, United Airlines can have you in Green Bay from Portland, Maine in 6h 21m. The distance between Portland, Maine and Green Bay is about 884 mi.

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.

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.

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).

Most accurate provider : When it comes to deals on Portland, Maine-Green Bay flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland, Maine-Green Bay flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Portland, Maine-Green Bay flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Portland, Maine-Green Bay flights, Cheapflights users trust eDreams the most. eDreams 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 Portland, Maine-Green Bay flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$324+ Flights from Portland, ME to Green Bay

Q: How much does it cost to fly round-trip from Portland, Maine to Green Bay?

Airfare is below average for this route at the moment. Portland, Maine to Green Bay flights typically cost between $661 and $696 in January. The cheapest round-trip price found within the last 3 days was $324 on United Airlines (Jan 10-Jan 13).

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Cheap 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 diciembre 12, 2025.

dom. 12/285:20 pmPWM - GRB

2 stops7h 16mAmerican Airlines

sáb. 1/37:00 amGRB - PWM

2 stops8h 36mAmerican Airlines

Deal found 12/11

$892

dom. 12/284:48 pmPWM - GRB

1 stop4h 54mDelta

sáb. 1/37:00 amGRB - PWM

1 stop4h 12mDelta

Deal found 12/10

$997

Best flights from Portland to Green Bay
Discover carefully curated flight deals from Portland to Green Bay that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 12, 2025.

sáb. 1/104:10 pmPWM - GRB

1 stop6h 21mUnited Airlines

mar. 1/136:31 amGRB - PWM

2 stops7h 00mUnited Airlines

Deal found 12/9

$324

jue. 5/145:30 pmPWM - GRB

1 stop18h 15mAmerican Airlines

sáb. 5/1611:30 amGRB - PWM

1 stop4h 25mAmerican Airlines

Deal found 12/10

$450

jue. 5/1412:50 pmPWM - GRB

1 stop4h 43mDelta

sáb. 5/166:45 amGRB - PWM

2 stops8h 30mDelta

Deal found 12/10

$469

dom. 12/285:20 pmPWM - GRB

2 stops7h 16mAmerican Airlines

sáb. 1/37:00 amGRB - PWM

2 stops8h 36mAmerican Airlines

Deal found 12/10

$892

Last-minute flights from Portland to Green Bay
Discover last-minute flight deals from Portland to Green Bay. Data last updated diciembre 12, 2025 and is based on user searches.

dom. 12/285:20 pmPWM - GRB

2 stops7h 16mAmerican Airlines

sáb. 1/37:00 amGRB - PWM

2 stops8h 36mAmerican Airlines

Deal found 12/11

$892

dom. 12/284:48 pmPWM - GRB

1 stop4h 54mDelta

sáb. 1/37:00 amGRB - PWM

1 stop4h 12mDelta

Deal found 12/10

$997

sáb. 1/104:10 pmPWM - GRB

1 stop6h 21mUnited Airlines

mar. 1/136:31 amGRB - PWM

2 stops7h 00mUnited Airlines

Deal found 12/9

$324

Find flight deals from Portland to Green Bay

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$324 (United Airlines)
Popular in	November
Cheapest in	April
Average price	$678

Provider with most accurate pricing for Portland-Green Bay Austin-Straubel flight deals.

Search Deals

Provider most trusted by Cheapflights users for Portland-Green Bay Austin-Straubel flights.

Search Deals

From Portland to Green Bay Austin-Straubel

Search Deals

Highest demand for flights based on searches. 29% potential increase in price ($207 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Green Bay that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

sáb. 1/10

4:10 pm-9:31 pm

1 stop6h 21m

Green Bay Austin-Straubel

mar. 1/13

6:31 am-2:31 pm

2 stops7h 00m

$324

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

jue. 5/14

5:30 pm-10:45 am

1 stop18h 15m

Green Bay Austin-Straubel

sáb. 5/16

11:30 am-4:55 pm

1 stop4h 25m

$450

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

jue. 5/14

12:50 pm-4:33 pm

1 stop4h 43m

Green Bay Austin-Straubel

sáb. 5/16

6:45 am-4:15 pm

2 stops8h 30m

$469

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

dom. 12/28

5:20 pm-11:36 pm

2 stops7h 16m

Green Bay Austin-Straubel

sáb. 1/3

7:00 am-4:36 pm

2 stops8h 36m

$892

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Compare providers for flights from Portland to Green Bay

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Green Bay in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star

*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 Portland, Maine-Green Bay flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland, Maine-Green Bay flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Portland, Maine-Green Bay flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Portland, Maine-Green Bay flights, Cheapflights users trust eDreams the most. eDreams 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 Portland, Maine-Green Bay 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 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, March is the cheapest month in which you can book a flight from Portland, Maine to Green Bay (average of $182). Flying from Portland, Maine to Green Bay in February is currently the most expensive (average of $283). 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?

It’s optimal to fly from Portland, Maine to Green Bay at noon. By choosing this option you can save up to 73% on the cost of your flight, compared to a flight in the afternoon.

How much does it cost to fly round-trip from Portland, Maine to Green Bay?

Reviews of airlines servicing Green Bay

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

9,095 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

United Airlines

7.4

Good

9,095 reviews

United Airlines

7.4

Good

9,095 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

How long is the flight from Portland, Maine to Green Bay?
For as low as $324, United Airlines can have you in Green Bay from Portland, Maine in 6h 21m. The distance between Portland, Maine and Green Bay is about 884 mi.
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, March is the cheapest month in which you can book a flight from Portland, Maine to Green Bay (average of $182). Flying from Portland, Maine to Green Bay in February is currently the most expensive (average of $283). 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 Portland to Green Bay

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$258	Average$535	FlexibilityNo cancel fee	On-time69%

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$324+ Cheap flights from Portland, ME to Green Bay (PWM - GRB)

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Green Bay with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Portland to Green Bay

Cheapest flights from Portland to Green BayExplore 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 diciembre 12, 2025.

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 diciembre 12, 2025.

Find flight deals from Portland to Green Bay

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Green Bay that are best for you.

Compare providers for flights from Portland to Green Bay

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 Portland to Green Bay in December.

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.

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?

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

How much does it cost to fly round-trip from Portland, Maine to Green Bay?

Reviews of airlines servicing Green Bay

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.

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?

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

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

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

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

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

Traveling to a place near Green Bay?

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Alternative routes for Portland to Green Bay

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Top airline flying from Portland to Green Bay

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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 diciembre 12, 2025.