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Cheap flights from Green Bay to Portland from $274

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 8/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Green Bay to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
10:50 am - 4:10 pmGRB  Green Bay Austin-Straubel-PWM Portland
4h 20m1 stop Detroit Metropolitan Wayne County
Delta Logo
4:50 pm - 8:37 pmPWM  Portland-GRB Green Bay Austin-Straubel
4h 47m1 stop Detroit Metropolitan Wayne County
$319Delta
Thu, Dec 24 - Wed, Dec 30
Delta Logo
10:50 am - 10:23 pmGRB  Green Bay Austin-Straubel-PWM Portland
10h 33m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson
Delta Logo
4:50 pm - 8:37 pmPWM  Portland-GRB Green Bay Austin-Straubel
4h 47m1 stop Detroit Metropolitan Wayne County
$324Delta
Thu, Dec 24 - Wed, Dec 30
American Airlines Logo
5:43 am - 1:05 pmGRB  Green Bay Austin-Straubel-PWM Portland
6h 22m1 stop Chicago O'Hare Intl
American Airlines Logo
5:09 pm - 12:12 amPWM  Portland-GRB Green Bay Austin-Straubel
8h 03m2 stops New York LaGuardia Chicago O'Hare Intl
$326American Airlines
Tue, Sep 29 - Tue, Oct 6
American Airlines Logo
5:43 am - 3:41 pmGRB  Green Bay Austin-Straubel-PWM Portland
8h 58m2 stops Chicago O'Hare Intl New York LaGuardia
American Airlines Logo
5:09 pm - 12:12 amPWM  Portland-GRB Green Bay Austin-Straubel
8h 03m2 stops New York LaGuardia Chicago O'Hare Intl
$331American Airlines
Tue, Sep 29 - Tue, Oct 6
United Airlines Logo
3:42 pm - 9:54 pmGRB  Green Bay Austin-Straubel-PWM Portland
5h 12m1 stop Chicago O'Hare Intl
United Airlines Logo
5:08 pm - 11:19 pmPWM  Portland-GRB Green Bay Austin-Straubel
7h 11m1 stop Chicago O'Hare Intl
$354United Airlines
Tue, Sep 29 - Tue, Oct 6
American Airlines Logo
3:20 pm - 10:48 pmGRB  Green Bay Austin-Straubel-PWM Portland
6h 28m1 stop Chicago O'Hare Intl
American Airlines Logo
6:09 pm - 12:16 amPWM  Portland-GRB Green Bay Austin-Straubel
7h 07m1 stop Chicago O'Hare Intl
$354American Airlines
Thu, Aug 20 - Thu, Aug 27
Delta Logo
5:30 am - 3:39 pmGRB  Green Bay Austin-Straubel-PWM Portland
9h 09m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl
Delta Logo
1:59 pm - 10:24 pmPWM  Portland-GRB Green Bay Austin-Straubel
9h 25m2 stops New York LaGuardia Atlanta Hartsfield-Jackson
$359Delta
Wed, Sep 23 - Tue, Sep 29
United Airlines Logo
12:30 pm - 9:23 pmGRB  Green Bay Austin-Straubel-PWM Portland
7h 53m1 stop Chicago O'Hare Intl
United Airlines Logo
5:03 pm - 11:19 pmPWM  Portland-GRB Green Bay Austin-Straubel
7h 16m1 stop Chicago O'Hare Intl
$399United Airlines
Tue, Sep 1 - Sat, Sep 5
United Airlines Logo
2:31 pm - 11:59 pmGRB  Green Bay Austin-Straubel-PWM Portland
8h 28m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
United Airlines Logo
5:03 pm - 11:19 pmPWM  Portland-GRB Green Bay Austin-Straubel
7h 16m1 stop Chicago O'Hare Intl
$404United Airlines
Tue, Sep 1 - Sat, Sep 5
Delta Logo
10:50 am - 10:23 pmGRB  Green Bay Austin-Straubel-PWM Portland
10h 33m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 4:28 pmPWM  Portland-GRB Green Bay Austin-Straubel
11h 28m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County
$469Delta
Thu, Dec 24 - Wed, Dec 30

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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
Sep 29
GRB5:43 amGreen Bay Austin-Straubel
6h 22m
1 stop
PWM1:05 pmPortland
Oct 6
PWM5:09 pmPortland
8h 03m
2 stops
GRB12:12 amGreen Bay Austin-Straubel
$326
American Airlines
Sep 29
GRB5:43 amGreen Bay Austin-Straubel
8h 58m
2 stops
PWM3:41 pmPortland
Oct 6
PWM5:09 pmPortland
8h 03m
2 stops
GRB12:12 amGreen Bay Austin-Straubel
$331
American Airlines
Aug 20
GRB3:20 pmGreen Bay Austin-Straubel
6h 28m
1 stop
PWM10:48 pmPortland
Aug 27
PWM6:09 pmPortland
7h 07m
1 stop
GRB12:16 amGreen Bay Austin-Straubel
$354

Delta flights from Green Bay to Portland, Maine

Our best Delta deals on Green Bay to Portland, Maine flight tickets
Delta
Dec 24
GRB10:50 amGreen Bay Austin-Straubel
4h 20m
1 stop
PWM4:10 pmPortland
Dec 30
PWM4:50 pmPortland
4h 47m
1 stop
GRB8:37 pmGreen Bay Austin-Straubel
$319
Delta
Dec 24
GRB10:50 amGreen Bay Austin-Straubel
10h 33m
2 stops
PWM10:23 pmPortland
Dec 30
PWM4:50 pmPortland
4h 47m
1 stop
GRB8:37 pmGreen Bay Austin-Straubel
$324
Delta
Sep 23
GRB5:30 amGreen Bay Austin-Straubel
9h 09m
2 stops
PWM3:39 pmPortland
Sep 29
PWM1:59 pmPortland
9h 25m
2 stops
GRB10:24 pmGreen Bay Austin-Straubel
$359

momondo Fare Finder

 
Customize your flight search to find flights from Green Bay to Portland, Maine 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, momondo users made 832,500 searches. Data last updated August 7, 2026.
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
Quickest round-trip

Green BayPortland

GRB Green Bay Austin-Straubel - PWM Portland

GRBPWM

Green Bay Austin-Straubel

Thu 12/24

10:50 am-4:10 pm

1 stop4h 20m

Portland

Wed 12/30

4:50 pm-8:37 pm

1 stop4h 47m

$319

Green BayPortland

GRB Green Bay Austin-Straubel - PWM Portland

GRBPWM

Green Bay Austin-Straubel

Thu 12/24

10:50 am-10:23 pm

2 stops10h 33m

Portland

Wed 12/30

4:50 pm-8:37 pm

1 stop4h 47m

$324

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

Tue 10/6

5:09 pm-12:12 am

2 stops8h 03m

$326

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

Tue 10/6

5:09 pm-12:12 am

2 stops8h 03m

$331

Green BayPortland

GRB Green Bay Austin-Straubel - PWM Portland

GRBPWM

Green Bay Austin-Straubel

Tue 9/29

3:42 pm-9:54 pm

1 stop5h 12m

Portland

Tue 10/6

5:08 pm-11:19 pm

1 stop7h 11m

$354

Green BayPortland

GRB Green Bay Austin-Straubel - PWM Portland

GRBPWM

Green Bay Austin-Straubel

Thu 8/20

3:20 pm-10:48 pm

1 stop6h 28m

Portland

Thu 8/27

6:09 pm-12:16 am

1 stop7h 07m

$354

Green BayPortland

GRB Green Bay Austin-Straubel - PWM Portland

GRBPWM

Green Bay Austin-Straubel

Wed 9/23

5:30 am-3:39 pm

2 stops9h 09m

Portland

Tue 9/29

1:59 pm-10:24 pm

2 stops9h 25m

$359

Green BayPortland

GRB Green Bay Austin-Straubel - PWM Portland

GRBPWM

Green Bay Austin-Straubel

Tue 9/1

12:30 pm-9:23 pm

1 stop7h 53m

Portland

Sat 9/5

5:03 pm-11:19 pm

1 stop7h 16m

$399

Green BayPortland

GRB Green Bay Austin-Straubel - PWM Portland

GRBPWM

Green Bay Austin-Straubel

Tue 9/1

2:31 pm-11:59 pm

2 stops8h 28m

Portland

Sat 9/5

5:03 pm-11:19 pm

1 stop7h 16m

$404

Green BayPortland

GRB Green Bay Austin-Straubel - PWM Portland

GRBPWM

Green Bay Austin-Straubel

Thu 12/24

10:50 am-10:23 pm

2 stops10h 33m

Portland

Wed 12/30

6:00 am-4:28 pm

2 stops11h 28m

$469

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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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

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

Fastest flight time

4h 20m

Direct flights

None
The fastest flight from Green Bay to Portland, Maine takes 4h 20m
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. 4h 20m 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?

  • 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?

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
DeltaPriceFrom $256Free CancellationRating
7.8
8,491 reviews
Search Delta flights
American AirlinesPriceFrom $314Free CancellationRating
7.1
11,865 reviews
Search American Airlines flights
United AirlinesPriceFrom $326Free CancellationRating
7.4
10,072 reviews
Search United Airlines flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Boothbay Harbor
Jackson
Lewiston
Brunswick
Freeport
Conway
Gorham
Bartlett
Auburn
Windham
Intervale
Bath
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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