What is the cheapest airline that flies from Green Bay Austin-Straubel to Portland?

American Airlines and United Airlines are the most popular carriers operating from Green Bay Austin-Straubel to Portland

What airlines fly to Portland, Maine?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Portland, Maine from Green Bay according to our data. American Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 3 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Green Bay Austin-Straubel Airport to Portland Airport?

Prices for flights from Green Bay Austin-Straubel Airport to Portland Airport were last updated today.

How many operators does momondo search for flights from Green Bay Austin-Straubel Airport to Portland Airport?

As of September 2026, there are 3 operators available to choose from for flights from Green Bay Austin-Straubel Airport to Portland Airport.

How old do you have to be to fly from Green Bay Austin-Straubel Airport to Portland Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Green Bay Austin-Straubel Airport to Portland Airport.

What documentation or ID do you need to fly to Portland Airport?

The travel and health documents required for your trip to Portland Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$284 Cheap Flights from Green Bay to Portland, Maine in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Green Bay to Portland

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One-way

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Enter your travel dates to find the best prices.

2:46 pm - 11:40 pmGRB Green Bay Austin-Straubel-PWM Portland

7h 54m1 stop Chicago O'Hare Intl

5:37 pm - 12:12 amPWM Portland-GRB Green Bay Austin-Straubel

7h 35m2 stops Washington, D.C. Reagan-National Chicago O'Hare Intl

$344American Airlines

Fri, Oct 16 - Wed, Oct 21

2:46 pm - 11:36 pmGRB Green Bay Austin-Straubel-PWM Portland

7h 50m2 stops Chicago O'Hare Intl Philadelphia

6:00 am - 2:02 pmPWM Portland-GRB Green Bay Austin-Straubel

9h 02m2 stops Washington, D.C. Reagan-National Chicago O'Hare Intl

$349American Airlines

Fri, Oct 16 - Wed, Oct 21

2:46 pm - 11:59 pmGRB Green Bay Austin-Straubel-PWM Portland

8h 13m2 stops Chicago O'Hare Intl Washington, D.C. Reagan-National

5:30 am - 2:02 pmPWM Portland-GRB Green Bay Austin-Straubel

9h 32m2 stops Philadelphia Chicago O'Hare Intl

$349American Airlines

Fri, Oct 16 - Wed, Oct 21

5:43 am - 1:05 pmGRB Green Bay Austin-Straubel-PWM Portland

6h 22m1 stop Chicago O'Hare Intl

5:30 am - 3:34 pmPWM Portland-GRB Green Bay Austin-Straubel

11h 04m2 stops Philadelphia Chicago O'Hare Intl

$374American Airlines

Tue, Sep 29 - Sat, Oct 3

5:43 am - 3:41 pmGRB Green Bay Austin-Straubel-PWM Portland

8h 58m2 stops Chicago O'Hare Intl New York LaGuardia

5:06 pm - 12:13 amPWM Portland-GRB Green Bay Austin-Straubel

8h 07m2 stops Washington, D.C. Reagan-National Chicago O'Hare Intl

$379American Airlines

Tue, Sep 29 - Sat, Oct 3

2:46 pm - 11:40 pmGRB Green Bay Austin-Straubel-PWM Portland

7h 54m1 stop Chicago O'Hare Intl

5:45 pm - 12:12 amPWM Portland-GRB Green Bay Austin-Straubel

7h 27m1 stop Chicago O'Hare Intl

$396American Airlines

Fri, Oct 16 - Wed, Oct 21

2:46 pm - 11:43 pmGRB Green Bay Austin-Straubel-PWM Portland

7h 57m1 stop Chicago O'Hare Intl

6:00 am - 2:02 pmPWM Portland-GRB Green Bay Austin-Straubel

9h 02m2 stops Washington, D.C. Reagan-National Chicago O'Hare Intl

$401American Airlines

Wed, Oct 14 - Wed, Oct 21

2:46 pm - 11:36 pmGRB Green Bay Austin-Straubel-PWM Portland

7h 50m2 stops Chicago O'Hare Intl Philadelphia

5:37 pm - 12:12 amPWM Portland-GRB Green Bay Austin-Straubel

7h 35m2 stops Washington, D.C. Reagan-National Chicago O'Hare Intl

$406American Airlines

Wed, Oct 14 - Wed, Oct 21

5:00 am - 2:34 pmGRB Green Bay Austin-Straubel-PWM Portland

8h 34m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

7:23 am - 4:56 pmPWM Portland-GRB Green Bay Austin-Straubel

10h 33m2 stops Newark Chicago O'Hare Intl

$429United Airlines

Sat, Jan 30 - Wed, Feb 3

10:10 am - 9:48 pmGRB Green Bay Austin-Straubel-PWM Portland

10h 38m2 stops Chicago O'Hare Intl Newark

7:23 am - 4:56 pmPWM Portland-GRB Green Bay Austin-Straubel

10h 33m2 stops Newark Chicago O'Hare Intl

$429United Airlines

Sat, Jan 30 - Wed, Feb 3

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American Airlines flights from Green Bay to Portland, Maine

Our best American Airlines deals on Green Bay to Portland, Maine flight tickets

American Airlines

Oct 16

GRB2:46 pmGreen Bay Austin-Straubel

7h 54m

1 stop

PWM11:40 pmPortland

Oct 21

PWM5:37 pmPortland

7h 35m

2 stops

GRB12:12 amGreen Bay Austin-Straubel

$344

American Airlines

Oct 16

GRB2:46 pmGreen Bay Austin-Straubel

7h 50m

2 stops

PWM11:36 pmPortland

Oct 21

PWM6:00 amPortland

9h 02m

2 stops

GRB2:02 pmGreen Bay Austin-Straubel

$349

American Airlines

Sep 29

GRB5:43 amGreen Bay Austin-Straubel

6h 22m

1 stop

PWM1:05 pmPortland

Oct 3

PWM5:30 amPortland

11h 04m

2 stops

GRB3:34 pmGreen Bay Austin-Straubel

$374

United Airlines flights from Green Bay to Portland, Maine

Our best United Airlines deals on Green Bay to Portland, Maine flight tickets

United Airlines

Jan 30

GRB5:00 amGreen Bay Austin-Straubel

8h 34m

2 stops

PWM2:34 pmPortland

Feb 3

PWM3:15 pmPortland

8h 35m

2 stops

GRB10:50 pmGreen Bay Austin-Straubel

$429

United Airlines

Oct 16

GRB1:17 pmGreen Bay Austin-Straubel

7h 29m

1 stop

PWM9:46 pmPortland

Oct 21

PWM5:08 pmPortland

7h 11m

1 stop

GRB11:19 pmGreen Bay Austin-Straubel

$443

United Airlines

Oct 14

GRB1:17 pmGreen Bay Austin-Straubel

7h 37m

1 stop

PWM9:54 pmPortland

Oct 21

PWM6:00 amPortland

7h 30m

1 stop

GRB12:30 pmGreen Bay Austin-Straubel

$450

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Green BayPortland

GRB Green Bay Austin-Straubel - PWM Portland

GRBPWM

Green Bay Austin-Straubel

Fri 10/16

2:46 pm-11:40 pm

1 stop7h 54m

Portland

Wed 10/21

5:37 pm-12:12 am

2 stops7h 35m

$344

Green BayPortland

GRB Green Bay Austin-Straubel - PWM Portland

GRBPWM

Green Bay Austin-Straubel

Fri 10/16

2:46 pm-11:36 pm

2 stops7h 50m

Portland

Wed 10/21

6:00 am-2:02 pm

2 stops9h 02m

$349

Green BayPortland

GRB Green Bay Austin-Straubel - PWM Portland

GRBPWM

Green Bay Austin-Straubel

Fri 10/16

2:46 pm-11:59 pm

2 stops8h 13m

Portland

Wed 10/21

5:30 am-2:02 pm

2 stops9h 32m

$349

Green BayPortland

GRB Green Bay Austin-Straubel - PWM Portland

GRBPWM

Green Bay Austin-Straubel

Tue 9/29

5:43 am-1:05 pm

1 stop6h 22m

Portland

Sat 10/3

5:30 am-3:34 pm

2 stops11h 04m

$374

Green BayPortland

GRB Green Bay Austin-Straubel - PWM Portland

GRBPWM

Green Bay Austin-Straubel

Tue 9/29

5:43 am-3:41 pm

2 stops8h 58m

Portland

Sat 10/3

5:06 pm-12:13 am

2 stops8h 07m

$379

Quickest round-trip

Green BayPortland

GRB Green Bay Austin-Straubel - PWM Portland

GRBPWM

Green Bay Austin-Straubel

Fri 10/16

2:46 pm-11:40 pm

1 stop7h 54m

Portland

Wed 10/21

5:45 pm-12:12 am

1 stop7h 27m

$396

Green BayPortland

GRB Green Bay Austin-Straubel - PWM Portland

GRBPWM

Green Bay Austin-Straubel

Wed 10/14

2:46 pm-11:43 pm

1 stop7h 57m

Portland

Wed 10/21

6:00 am-2:02 pm

2 stops9h 02m

$401

Green BayPortland

GRB Green Bay Austin-Straubel - PWM Portland

GRBPWM

Green Bay Austin-Straubel

Wed 10/14

2:46 pm-11:36 pm

2 stops7h 50m

Portland

Wed 10/21

5:37 pm-12:12 am

2 stops7h 35m

$406

Green BayPortland

GRB Green Bay Austin-Straubel - PWM Portland

GRBPWM

Green Bay Austin-Straubel

Sat 1/30

5:00 am-2:34 pm

2 stops8h 34m

Portland

Wed 2/3

7:23 am-4:56 pm

2 stops10h 33m

$429

Green BayPortland

GRB Green Bay Austin-Straubel - PWM Portland

GRBPWM

Green Bay Austin-Straubel

Sat 1/30

10:10 am-9:48 pm

2 stops10h 38m

Portland

Wed 2/3

7:23 am-4:56 pm

2 stops10h 33m

$429

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Green Bay to Portland, Maine

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Portland, Maine?

The cheapest month to fly to Portland, Maine from Green Bay is in December. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of December, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $0.

When to book flights from Green Bay to Portland, Maine

Are you open to changing your travel dates? Check out the ideal times to fly from Green Bay to Portland, Maine according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Green Bay to Portland, Maine (GRB to PWM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Green Bay to Portland, Maine

Best Price Found	$284
Fastest flight time	7h 29m
Direct flights	None

The best one-way flight to Portland, Maine from Green Bay in the past 72 hours is $284. The best round-trip flight deal from Green Bay to Portland, Maine found on momondo in the last 72 hours is $344.

The fastest flight from Green Bay to Portland, Maine takes 7h 29m

There are no direct flights from Green Bay to Portland, Maine. There are no popular flight routes from Green Bay to Portland, Maine.

Search flight deals

Frequently asked questions about flying from Green Bay to Portland, Maine

How far is Green Bay Austin-Straubel to Portland by plane?
The straight-line distance from Green Bay Austin-Straubel to Portland is 881.2 mi. 7h 29m is a normal flight duration for this route.
When did momondo last update prices for flights from Green Bay Austin-Straubel Airport to Portland Airport?
Prices for flights from Green Bay Austin-Straubel Airport to Portland Airport were last updated today.
How many operators does momondo search for flights from Green Bay Austin-Straubel Airport to Portland Airport?
As of September 2026, there are 3 operators available to choose from for flights from Green Bay Austin-Straubel Airport to Portland Airport.
How old do you have to be to fly from Green Bay Austin-Straubel Airport to Portland Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Green Bay Austin-Straubel Airport to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The travel and health documents required for your trip to Portland Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Green Bay to Portland, Maine?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Green Bay to Portland, Maine is United Airlines (50% of total bookings). The next most popular airlines are American Airlines (25%) and Delta (25%).

Best airlines flying from Green Bay to Portland, Maine

Compare and see reviews for airlines that fly from Green Bay to Portland, Maine with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $256	Free Cancellation	Rating 7.8 8,579 reviews	Search Delta flights
American Airlines	PriceFrom $314	Free Cancellation	Rating 7.1 12,075 reviews	Search American Airlines flights
United Airlines	PriceFrom $318	Free Cancellation	Rating 7.4 10,214 reviews	Search United Airlines flights

North Conway

Jackson

Boothbay Harbor

Brunswick

Lewiston

Freeport

Auburn

Conway

Bartlett

Gorham

Bath

Windham

Intervale

Oxford

Georgetown

Falmouth

Tamworth

Why use momondo?

Why should I use momondo to find a flight deal from Green Bay to Portland?

It is quick and easy to find Green Bay to Portland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Portland that suits you.

Can I find flights from Green Bay to Portland with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Portland from Green Bay with this policy.

How can momondo help me find flights from Green Bay to Portland?

momondo provides multiple filters to help you find the best flight to Portland from Green Bay. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Green Bay to Portland right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Portland, momondo offers a useful price alert feature which will track prices for flights to Portland from Green Bay and alert you when they change.

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Cheap flights from Green Bay to Portland from $284

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Green Bay to Portland departing on 10/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Green Bay to Portland, Maine

Our best American Airlines deals on Green Bay to Portland, Maine flight tickets

United Airlines flights from Green Bay to Portland, Maine

Our best United Airlines deals on Green Bay to Portland, Maine flight tickets

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

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How to get the cheapest flight ticket from Green Bay to Portland, Maine

What is the cheapest month to fly to Portland, Maine?

What is the cheapest airline that flies from Green Bay Austin-Straubel to Portland?

What airlines fly to Portland, Maine?

When to book flights from Green Bay to Portland, Maine

Cheap Green Bay to Portland, Maine (GRB to PWM) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Green Bay to Portland, Maine

Best airlines flying from Green Bay to Portland, Maine

Compare and see reviews for airlines that fly from Green Bay to Portland, Maine with momondo

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Why use momondo?

An easier way to manage your Portland, Maine trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Portland. Availability may vary depending on flight origin and airline.

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