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Cheap flights from Green Bay to Portland from $259

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 9/16. 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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Find the cheapest flights from Green Bay to Portland

Cheap round-trip flights

United Airlines Logo
1:22 pm - 9:59 pmGRB-PWM
7h 37m1 stop
United Airlines Logo
4:56 pm - 9:43 pmPWM-GRB
5h 47m1 stop
$259United Airlines
Find Deal
Tue, Sep 16 - Sat, Sep 20
United Airlines Logo
10:40 am - 11:03 pmGRB-PWM
11h 23m2 stops
United Airlines Logo
4:56 pm - 9:43 pmPWM-GRB
5h 47m1 stop
$264United Airlines
Find Deal
Tue, Sep 16 - Sat, Sep 20
United Airlines Logo
1:22 pm - 11:03 pmGRB-PWM
8h 41m2 stops
United Airlines Logo
2:14 pm - 9:43 pmPWM-GRB
8h 29m2 stops
$381United Airlines
Find Deal
Tue, Sep 16 - Sat, Sep 20
American Airlines Logo
1:04 pm - 9:47 pmGRB-PWM
7h 43m2 stops
American Airlines Logo
5:37 pm - 9:51 pmPWM-GRB
5h 14m1 stop
$478American Airlines
Find Deal
Sat, Nov 22 - Sat, Nov 29
United Airlines Logo
2:40 pm - 11:13 pmGRB-PWM
7h 33m2 stops
United Airlines Logo
6:14 am - 12:44 pmPWM-GRB
7h 30m1 stop
$485United Airlines
Find Deal
Thu, Oct 2 - Tue, Oct 7
American Airlines Logo
6:00 am - 4:34 pmGRB-PWM
9h 34m2 stops
American Airlines Logo
12:34 pm - 11:30 pmPWM-GRB
11h 56m2 stops
$520American Airlines
Find Deal
Thu, Oct 2 - Tue, Oct 7
Delta Logo
5:34 am - 3:57 pmGRB-PWM
9h 23m2 stops
Delta Logo
6:00 am - 4:11 pmPWM-GRB
11h 11m2 stops
$531Delta
Find Deal
Tue, Sep 16 - Wed, Sep 24
American Airlines Logo
6:00 am - 4:34 pmGRB-PWM
9h 34m2 stops
American Airlines Logo
12:34 pm - 11:30 pmPWM-GRB
11h 56m2 stops
$532American Airlines
Find Deal
Thu, Oct 2 - Tue, Oct 7
Delta Logo
5:34 am - 3:57 pmGRB-PWM
9h 23m2 stops
Delta Logo
6:00 am - 4:11 pmPWM-GRB
11h 11m2 stops
$564Delta
Find Deal
Tue, Sep 16 - Wed, Sep 24
Delta Logo
5:34 am - 3:57 pmGRB-PWM
9h 23m2 stops
Delta Logo
11:45 am - 3:33 pmPWM-GRB
4h 48m1 stop
$565Delta
Find Deal
Tue, Sep 16 - Wed, Sep 24

United Airlines flights from Green Bay to Portland, Maine

Our best United Airlines deals on Green Bay to Portland, Maine flight tickets
United Airlines
Sep 16
GRB1:22 pmGreen Bay Austin-Straubel
7h 37m
1 stop
PWM9:59 pmPortland
Sep 20
PWM4:56 pmPortland
5h 47m
1 stop
GRB9:43 pmGreen Bay Austin-Straubel
$259
Find similar
United Airlines
Sep 16
GRB10:40 amGreen Bay Austin-Straubel
11h 23m
2 stops
PWM11:03 pmPortland
Sep 20
PWM4:56 pmPortland
5h 47m
1 stop
GRB9:43 pmGreen Bay Austin-Straubel
$264
Find similar
United Airlines
Sep 16
GRB1:22 pmGreen Bay Austin-Straubel
8h 41m
2 stops
PWM11:03 pmPortland
Sep 20
PWM2:14 pmPortland
8h 29m
2 stops
GRB9:43 pmGreen Bay Austin-Straubel
$381
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
Nov 22
GRB1:04 pmGreen Bay Austin-Straubel
7h 43m
2 stops
PWM9:47 pmPortland
Nov 29
PWM5:37 pmPortland
5h 14m
1 stop
GRB9:51 pmGreen Bay Austin-Straubel
$478
Find similar
American Airlines
Oct 2
GRB6:00 amGreen Bay Austin-Straubel
9h 34m
2 stops
PWM4:34 pmPortland
Oct 7
PWM12:34 pmPortland
11h 56m
2 stops
GRB11:30 pmGreen Bay Austin-Straubel
$520
Find similar
American Airlines
Oct 2
GRB6:00 amGreen Bay Austin-Straubel
9h 34m
2 stops
PWM4:34 pmPortland
Oct 7
PWM12:34 pmPortland
11h 56m
2 stops
GRB11:30 pmGreen Bay Austin-Straubel
$532
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 September 1, 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

Tue 9/16

1:22 pm-9:59 pm

1 stop7h 37m

Portland

Sat 9/20

4:56 pm-9:43 pm

1 stop5h 47m

$259

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Tue 9/16

10:40 am-11:03 pm

2 stops11h 23m

Portland

Sat 9/20

4:56 pm-9:43 pm

1 stop5h 47m

$264

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Tue 9/16

1:22 pm-11:03 pm

2 stops8h 41m

Portland

Sat 9/20

2:14 pm-9:43 pm

2 stops8h 29m

$381

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Sat 11/22

1:04 pm-9:47 pm

2 stops7h 43m

Portland

Sat 11/29

5:37 pm-9:51 pm

1 stop5h 14m

$478

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Thu 10/2

2:40 pm-11:13 pm

2 stops7h 33m

Portland

Tue 10/7

6:14 am-12:44 pm

1 stop7h 30m

$485

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Thu 10/2

6:00 am-4:34 pm

2 stops9h 34m

Portland

Tue 10/7

12:34 pm-11:30 pm

2 stops11h 56m

$520

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Tue 9/16

5:34 am-3:57 pm

2 stops9h 23m

Portland

Wed 9/24

6:00 am-4:11 pm

2 stops11h 11m

$531

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Thu 10/2

6:00 am-4:34 pm

2 stops9h 34m

Portland

Tue 10/7

12:34 pm-11:30 pm

2 stops11h 56m

$532

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Tue 9/16

5:34 am-3:57 pm

2 stops9h 23m

Portland

Wed 9/24

6:00 am-4:11 pm

2 stops11h 11m

$564

Green BayPortland

GRB - PWM

GRBPWM

Green Bay Austin-Straubel

Tue 9/16

5:34 am-3:57 pm

2 stops9h 23m

Portland

Wed 9/24

11:45 am-3:33 pm

1 stop4h 48m

$565

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Direct flights

None
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 53m 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 $248Free CancellationRating
7.9
7,974 reviews
Search Delta flights
American AirlinesPriceFrom $259Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $318Free CancellationRating
7.4
8,936 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
Gorham
Auburn
Intervale
Windham
Bath
Oxford
Georgetown
Tamworth
Falmouth

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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