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Cheap flights from Portland, Maine to Green Bay from $254

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Green Bay departing on 11/14. 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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Find the cheapest flights from Portland, Maine to Green Bay

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:00 pm - 9:38 pmPWM-GRB
5h 38m1 stop
United Airlines Logo
1:20 pm - 9:50 pmGRB-PWM
7h 30m1 stop
$254United Airlines
Find Deal
Fri, Nov 14 - Mon, Nov 17
American Airlines Logo
6:00 am - 10:16 amPWM-GRB
5h 16m1 stop
American Airlines Logo
9:53 am - 5:05 pmGRB-PWM
6h 12m1 stop
$259American Airlines
Find Deal
Tue, Nov 11 - Sat, Nov 15
United Airlines Logo
6:00 am - 4:46 pmPWM-GRB
11h 46m2 stops
United Airlines Logo
8:00 am - 2:12 pmGRB-PWM
5h 12m1 stop
$264United Airlines
Find Deal
Tue, Nov 11 - Sat, Nov 15
United Airlines Logo
6:00 am - 3:10 pmPWM-GRB
10h 10m2 stops
United Airlines Logo
1:20 pm - 11:17 pmGRB-PWM
8h 57m2 stops
$269United Airlines
Find Deal
Tue, Nov 11 - Sat, Nov 15
United Airlines Logo
5:00 pm - 9:38 pmPWM-GRB
5h 38m1 stop
United Airlines Logo
1:20 pm - 11:17 pmGRB-PWM
8h 57m2 stops
$270United Airlines
Find Deal
Fri, Nov 14 - Mon, Nov 17
United Airlines Logo
5:30 am - 3:10 pmPWM-GRB
10h 40m2 stops
United Airlines Logo
6:15 am - 2:14 pmGRB-PWM
6h 59m2 stops
$275United Airlines
Find Deal
Fri, Nov 14 - Sun, Nov 16
Delta Logo
12:50 pm - 4:38 pmPWM-GRB
4h 48m1 stop
Delta Logo
10:50 am - 4:15 pmGRB-PWM
4h 25m1 stop
$463Delta
Find Deal
Wed, Apr 8 - Sat, Apr 11
Delta Logo
5:30 am - 4:38 pmPWM-GRB
12h 08m2 stops
Delta Logo
10:50 am - 4:15 pmGRB-PWM
4h 25m1 stop
$468Delta
Find Deal
Wed, Apr 8 - Sat, Apr 11
Delta Logo
6:00 am - 10:00 pmPWM-GRB
17h 00m2 stops
Delta Logo
10:50 am - 4:15 pmGRB-PWM
4h 25m1 stop
$472Delta
Find Deal
Wed, Apr 8 - Sat, Apr 11
American Airlines Logo
12:23 pm - 7:30 pmPWM-GRB
8h 07m2 stops
American Airlines Logo
6:00 am - 3:27 pmGRB-PWM
8h 27m3 stops
$796American Airlines
Find Deal
Wed, Dec 10 - Sun, Dec 14

United Airlines flights from Portland, Maine to Green Bay

Our best United Airlines deals on Portland, Maine to Green Bay flight tickets
United Airlines
Nov 14
PWM5:00 pmPortland
5h 38m
1 stop
GRB9:38 pmGreen Bay Austin-Straubel
Nov 17
GRB1:20 pmGreen Bay Austin-Straubel
7h 30m
1 stop
PWM9:50 pmPortland
$254
Find similar
United Airlines
Nov 11
PWM6:00 amPortland
11h 46m
2 stops
GRB4:46 pmGreen Bay Austin-Straubel
Nov 15
GRB8:00 amGreen Bay Austin-Straubel
5h 12m
1 stop
PWM2:12 pmPortland
$264
Find similar
United Airlines
Nov 11
PWM6:00 amPortland
10h 10m
2 stops
GRB3:10 pmGreen Bay Austin-Straubel
Nov 15
GRB1:20 pmGreen Bay Austin-Straubel
8h 57m
2 stops
PWM11:17 pmPortland
$269
Find similar

American Airlines flights from Portland, Maine to Green Bay

Our best American Airlines deals on Portland, Maine to Green Bay flight tickets
American Airlines
Nov 11
PWM6:00 amPortland
5h 16m
1 stop
GRB10:16 amGreen Bay Austin-Straubel
Nov 15
GRB9:53 amGreen Bay Austin-Straubel
6h 12m
1 stop
PWM5:05 pmPortland
$259
Find similar
American Airlines
Dec 10
PWM12:23 pmPortland
8h 07m
2 stops
GRB7:30 pmGreen Bay Austin-Straubel
Dec 14
GRB6:00 amGreen Bay Austin-Straubel
8h 27m
3 stops
PWM3:27 pmPortland
$796
Find similar
American Airlines
Nov 1
PWM6:20 amPortland
5h 34m
1 stop
GRB10:54 amGreen Bay Austin-Straubel
Nov 3
GRB6:21 amGreen Bay Austin-Straubel
9h 44m
2 stops
PWM5:05 pmPortland
$1,008
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine to Green Bay 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 October 28, 2025.
Use the filters below to find and compare flights from Portland, Maine to Green Bay that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Fri 11/14

5:00 pm-9:38 pm

1 stop5h 38m

Green Bay Austin-Straubel

Mon 11/17

1:20 pm-9:50 pm

1 stop7h 30m

$254

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Tue 11/11

6:00 am-10:16 am

1 stop5h 16m

Green Bay Austin-Straubel

Sat 11/15

9:53 am-5:05 pm

1 stop6h 12m

$259

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Tue 11/11

6:00 am-4:46 pm

2 stops11h 46m

Green Bay Austin-Straubel

Sat 11/15

8:00 am-2:12 pm

1 stop5h 12m

$264

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Tue 11/11

6:00 am-3:10 pm

2 stops10h 10m

Green Bay Austin-Straubel

Sat 11/15

1:20 pm-11:17 pm

2 stops8h 57m

$269

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Fri 11/14

5:00 pm-9:38 pm

1 stop5h 38m

Green Bay Austin-Straubel

Mon 11/17

1:20 pm-11:17 pm

2 stops8h 57m

$270

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Fri 11/14

5:30 am-3:10 pm

2 stops10h 40m

Green Bay Austin-Straubel

Sun 11/16

6:15 am-2:14 pm

2 stops6h 59m

$275

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Wed 4/8

12:50 pm-4:38 pm

1 stop4h 48m

Green Bay Austin-Straubel

Sat 4/11

10:50 am-4:15 pm

1 stop4h 25m

$463

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Wed 4/8

5:30 am-4:38 pm

2 stops12h 08m

Green Bay Austin-Straubel

Sat 4/11

10:50 am-4:15 pm

1 stop4h 25m

$468

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Wed 4/8

6:00 am-10:00 pm

2 stops17h 00m

Green Bay Austin-Straubel

Sat 4/11

10:50 am-4:15 pm

1 stop4h 25m

$472

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Wed 12/10

12:23 pm-7:30 pm

2 stops8h 07m

Green Bay Austin-Straubel

Sun 12/14

6:00 am-3:27 pm

3 stops8h 27m

$796

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Green Bay from

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

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 Green Bay?

The cheapest day to depart from Portland, Maine to Green Bay is on a Wednesday when prices can be found for as low as $342. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Portland, Maine to Green Bay for around $802.

What is the cheapest time of day to depart on your flight to Green Bay?

Our most recent data shows that the best time of day to fly to Green Bay is in the morning. Flights from Portland, Maine to Green Bay during this time can be as low as $496. In the afternoon is when there is more demand to fly to Green Bay, so prices are often more expensive at around $1,044 per ticket.

When to book flights from Portland, Maine to Green Bay

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

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

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

Direct flights

None
There are no direct flights from Portland, Maine to Green Bay. There are no popular flight routes from Portland, Maine to Green Bay.
Search flight deals

  • How far is Portland to Green Bay Austin-Straubel by plane?

    A flight from Portland to Green Bay Austin-Straubel will travel around 881.2 mi. By plane, this route typically takes 4h 48m.

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

    Prices for flights from Portland Airport to Green Bay Austin-Straubel Airport refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Green Bay Austin-Straubel Airport.

  • What documentation or ID do you need to fly to Green Bay Austin-Straubel Airport?

    The required travel and health documents for your Green Bay Austin-Straubel Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Green Bay Austin-Straubel Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Portland, Maine to Green Bay?

Best airlines flying from Portland, Maine to Green Bay

Compare and see reviews for airlines that fly from Portland, Maine to Green Bay with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $258Free CancellationRating
7.4
9,001 reviews
Search United Airlines flights

Traveling to a place near Green Bay?

Book flights to Green Bay if you plan to visit one of these locations
Sturgeon Bay
Manitowoc
Marinette
Shawano
De Pere

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Green Bay. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to Green Bay.

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

Yes momondo offers price alerts on flights to Green Bay from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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