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Cheap flights from Green Bay to Portland from $321

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Green Bay to Portland departing on 1/10. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:00 am - 12:11 pmGRB-PWM
4h 11m1 stop
Delta Logo
2:35 pm - 10:29 pmPWM-GRB
8h 54m2 stops
$321Delta
Find Deal
Sat, Jan 10 - Tue, Jan 13
United Airlines Logo
10:42 am - 6:54 pmGRB-PWM
7h 12m2 stops
United Airlines Logo
4:10 pm - 9:31 pmPWM-GRB
6h 21m1 stop
$324United Airlines
Find Deal
Sat, Jan 10 - Tue, Jan 13
Delta Logo
11:15 am - 10:27 pmGRB-PWM
10h 12m2 stops
Delta Logo
2:35 pm - 10:29 pmPWM-GRB
8h 54m2 stops
$326Delta
Find Deal
Sat, Jan 10 - Tue, Jan 13
United Airlines Logo
10:42 am - 6:54 pmGRB-PWM
7h 12m2 stops
United Airlines Logo
6:00 am - 3:07 pmPWM-GRB
10h 07m2 stops
$329United Airlines
Find Deal
Sat, Jan 10 - Tue, Jan 13
Delta Logo
5:33 pm - 11:20 amGRB-PWM
16h 47m2 stops
Delta Logo
12:20 pm - 10:30 pmPWM-GRB
11h 10m2 stops
$343Delta
Find Deal
Sat, Jan 17 - Wed, Jan 21
Delta Logo
12:02 pm - 11:20 amGRB-PWM
22h 18m2 stops
Delta Logo
12:20 pm - 4:39 pmPWM-GRB
5h 19m1 stop
$349Delta
Find Deal
Sat, Jan 17 - Wed, Jan 21
Delta Logo
7:00 am - 12:10 pmGRB-PWM
4h 10m1 stop
Delta Logo
12:20 pm - 4:39 pmPWM-GRB
5h 19m1 stop
$389Delta
Find Deal
Sat, Jan 17 - Wed, Jan 21
United Airlines Logo
8:00 am - 2:39 pmGRB-PWM
5h 39m1 stop
United Airlines Logo
4:10 pm - 9:31 pmPWM-GRB
6h 21m1 stop
$433United Airlines
Find Deal
Sat, Jan 10 - Tue, Jan 13
United Airlines Logo
8:00 am - 2:39 pmGRB-PWM
5h 39m1 stop
United Airlines Logo
4:10 pm - 9:31 pmPWM-GRB
6h 21m1 stop
$491United Airlines
Find Deal
Sat, Jan 10 - Tue, Jan 13
Delta Logo
5:30 am - 12:18 pmGRB-PWM
5h 48m1 stop
Delta Logo
4:50 pm - 8:35 pmPWM-GRB
4h 45m1 stop
$577Delta
Find Deal
Thu, May 14 - Sun, May 17

Delta flights from Green Bay to Portland, Maine

Our best Delta deals on Green Bay to Portland, Maine flight tickets
Delta
Jan 10
GRB7:00 amGreen Bay Austin-Straubel
4h 11m
1 stop
PWM12:11 pmPortland
Jan 13
PWM2:35 pmPortland
8h 54m
2 stops
GRB10:29 pmGreen Bay Austin-Straubel
$321
Find similar
Delta
Jan 10
GRB11:15 amGreen Bay Austin-Straubel
10h 12m
2 stops
PWM10:27 pmPortland
Jan 13
PWM2:35 pmPortland
8h 54m
2 stops
GRB10:29 pmGreen Bay Austin-Straubel
$326
Find similar
Delta
Jan 17
GRB5:33 pmGreen Bay Austin-Straubel
16h 47m
2 stops
PWM11:20 amPortland
Jan 21
PWM12:20 pmPortland
11h 10m
2 stops
GRB10:30 pmGreen Bay Austin-Straubel
$343
Find similar

American Airlines flights from Green Bay to Portland, Maine

Our best American Airlines deals on Green Bay to Portland, Maine flight tickets
American Airlines
May 14
GRB6:40 pmGreen Bay Austin-Straubel
21h 15m
1 stop
PWM4:55 pmPortland
May 17
PWM6:01 amPortland
12h 36m
2 stops
GRB5:37 pmGreen Bay Austin-Straubel
$607
Find similar
American Airlines
May 14
GRB6:40 pmGreen Bay Austin-Straubel
15h 58m
2 stops
PWM11:38 amPortland
May 17
PWM5:30 pmPortland
18h 15m
1 stop
GRB10:45 amGreen Bay Austin-Straubel
$617
Find similar
American Airlines
May 14
GRB6:40 pmGreen Bay Austin-Straubel
15h 58m
2 stops
PWM11:38 amPortland
May 17
PWM5:30 pmPortland
18h 15m
1 stop
GRB10:45 amGreen Bay Austin-Straubel
$636
Find similar

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 December 3, 2025.
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

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Sat 1/10

7:00 am-12:11 pm

1 stop4h 11m

Portland

Tue 1/13

2:35 pm-10:29 pm

2 stops8h 54m

$321

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Sat 1/10

10:42 am-6:54 pm

2 stops7h 12m

Portland

Tue 1/13

4:10 pm-9:31 pm

1 stop6h 21m

$324

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Sat 1/10

11:15 am-10:27 pm

2 stops10h 12m

Portland

Tue 1/13

2:35 pm-10:29 pm

2 stops8h 54m

$326

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Sat 1/10

10:42 am-6:54 pm

2 stops7h 12m

Portland

Tue 1/13

6:00 am-3:07 pm

2 stops10h 07m

$329

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Sat 1/17

5:33 pm-11:20 am

2 stops16h 47m

Portland

Wed 1/21

12:20 pm-10:30 pm

2 stops11h 10m

$343

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Sat 1/17

12:02 pm-11:20 am

2 stops22h 18m

Portland

Wed 1/21

12:20 pm-4:39 pm

1 stop5h 19m

$349

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Sat 1/17

7:00 am-12:10 pm

1 stop4h 10m

Portland

Wed 1/21

12:20 pm-4:39 pm

1 stop5h 19m

$389

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Sat 1/10

8:00 am-2:39 pm

1 stop5h 39m

Portland

Tue 1/13

4:10 pm-9:31 pm

1 stop6h 21m

$433

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Sat 1/10

8:00 am-2:39 pm

1 stop5h 39m

Portland

Tue 1/13

4:10 pm-9:31 pm

1 stop6h 21m

$491

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Thu 5/14

5:30 am-12:18 pm

1 stop5h 48m

Portland

Sun 5/17

4:50 pm-8:35 pm

1 stop4h 45m

$577

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Portland from

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 day to depart on your flight to Portland, Maine?

On average, the least expensive day to fly to Portland, Maine from Green Bay is on a Saturday. momondo users have found tickets for Saturday departures for as low as $442. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from Green Bay because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $633.

What is the cheapest time of day to depart on your flight to Portland, Maine?

In the afternoon is the cheapest time of day to fly from Green Bay to Portland, Maine when you can find flight prices for as low as $476. Flying to Portland, Maine in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $482. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 11m

Direct flights

None
The fastest flight from Green Bay to Portland, Maine takes 4h 11m
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

  • 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. 3h 55m 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
American AirlinesPriceFrom $259Free CancellationRating
7.2
11,046 reviews
Search American Airlines flights
United AirlinesPriceFrom $318Free CancellationRating
7.4
9,065 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
Conway
Freeport
Lewiston
Bartlett
Brunswick
Auburn
Gorham
Windham
Intervale
Oxford
Bath
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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