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Cheap flights from Portland, Maine to Green Bay from $243

This is the cheapest one-way 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 7/4. 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 Portland, Maine to Green Bay

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
4:45 pm - 8:32 pm
PWM
-
GRB
4h 47m
1 stop
Delta Logo
11:10 am - 3:55 pm
GRB
-
PWM
3h 45m
1 stop
$309Delta
Fri, Jul 3 - Sat, Jul 4
Delta Logo
4:45 pm - 8:32 pm
PWM
-
GRB
4h 47m
1 stop
Delta Logo
11:10 am - 3:55 pm
GRB
-
PWM
3h 45m
1 stop
$310Delta
Fri, Jul 3 - Sat, Jul 4
Delta Logo
11:48 am - 8:32 pm
PWM
-
GRB
9h 44m
2 stops
Delta Logo
11:10 am - 3:55 pm
GRB
-
PWM
3h 45m
1 stop
$314Delta
Fri, Jul 3 - Sat, Jul 4
Delta Logo
4:45 pm - 8:32 pm
PWM
-
GRB
4h 47m
1 stop
Delta Logo
6:15 am - 5:56 pm
GRB
-
PWM
10h 41m
2 stops
$315Delta
Fri, Jul 3 - Sat, Jul 4
Delta Logo
11:48 am - 8:32 pm
PWM
-
GRB
9h 44m
2 stops
Delta Logo
3:12 pm - 12:52 am
GRB
-
PWM
8h 40m
2 stops
$319Delta
Fri, Jul 3 - Sat, Jul 4
American Airlines Logo
7:28 pm - 12:10 am
PWM
-
GRB
5h 42m
1 stop
American Airlines Logo
6:51 pm - 12:42 am
GRB
-
PWM
4h 51m
1 stop
$339American Airlines
Thu, Jun 25 - Mon, Jun 29
Delta Logo
4:45 pm - 8:32 pm
PWM
-
GRB
4h 47m
1 stop
Delta Logo
6:55 am - 11:55 am
GRB
-
PWM
4h 00m
1 stop
$354Delta
Fri, Jul 3 - Sun, Jul 5
Delta Logo
2:59 pm - 10:51 pm
PWM
-
GRB
8h 52m
2 stops
Delta Logo
6:55 am - 11:55 am
GRB
-
PWM
4h 00m
1 stop
$359Delta
Fri, Jul 3 - Sun, Jul 5
American Airlines Logo
7:24 pm - 12:12 am
PWM
-
GRB
5h 48m
1 stop
American Airlines Logo
1:01 pm - 10:33 pm
GRB
-
PWM
8h 32m
2 stops
$372American Airlines
Fri, Jul 3 - Wed, Jul 8
United Airlines Logo
6:00 am - 11:59 am
PWM
-
GRB
6h 59m
1 stop
United Airlines Logo
3:44 pm - 9:41 pm
GRB
-
PWM
4h 57m
1 stop
$383United Airlines
Sat, Jul 4 - Sat, Jul 4

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Delta flights from Portland, Maine to Green Bay

Our best Delta deals on Portland, Maine to Green Bay flight tickets
Delta
Jul 3
PWM4:45 pmPortland
4h 47m
1 stop
GRB8:32 pmGreen Bay Austin-Straubel
Jul 4
GRB11:10 amGreen Bay Austin-Straubel
3h 45m
1 stop
PWM3:55 pmPortland
$309
Delta
Jul 3
PWM4:45 pmPortland
4h 47m
1 stop
GRB8:32 pmGreen Bay Austin-Straubel
Jul 4
GRB11:10 amGreen Bay Austin-Straubel
3h 45m
1 stop
PWM3:55 pmPortland
$310
Delta
Jul 3
PWM11:48 amPortland
9h 44m
2 stops
GRB8:32 pmGreen Bay Austin-Straubel
Jul 4
GRB11:10 amGreen Bay Austin-Straubel
3h 45m
1 stop
PWM3:55 pmPortland
$314

United Airlines flights from Portland, Maine to Green Bay

Our best United Airlines deals on Portland, Maine to Green Bay flight tickets
United Airlines
Jul 4
PWM6:00 amPortland
6h 59m
1 stop
GRB11:59 amGreen Bay Austin-Straubel
Jul 4
GRB3:44 pmGreen Bay Austin-Straubel
4h 57m
1 stop
PWM9:41 pmPortland
$383
United Airlines
Sep 2
PWM6:03 amPortland
4h 56m
1 stop
GRB9:59 amGreen Bay Austin-Straubel
Sep 5
GRB2:31 pmGreen Bay Austin-Straubel
5h 52m
1 stop
PWM9:23 pmPortland
$389
United Airlines
Jun 30
PWM6:00 amPortland
5h 01m
1 stop
GRB10:01 amGreen Bay Austin-Straubel
Jul 4
GRB3:44 pmGreen Bay Austin-Straubel
4h 57m
1 stop
PWM9:41 pmPortland
$390

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 June 15, 2026.
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

Cheapest round-trip
Quickest round-trip

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Fri 7/3

4:45 pm-8:32 pm

1 stop4h 47m

Green Bay Austin-Straubel

Sat 7/4

11:10 am-3:55 pm

1 stop3h 45m

$309

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Fri 7/3

4:45 pm-8:32 pm

1 stop4h 47m

Green Bay Austin-Straubel

Sat 7/4

11:10 am-3:55 pm

1 stop3h 45m

$310

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Fri 7/3

11:48 am-8:32 pm

2 stops9h 44m

Green Bay Austin-Straubel

Sat 7/4

11:10 am-3:55 pm

1 stop3h 45m

$314

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Fri 7/3

4:45 pm-8:32 pm

1 stop4h 47m

Green Bay Austin-Straubel

Sat 7/4

6:15 am-5:56 pm

2 stops10h 41m

$315

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Fri 7/3

11:48 am-8:32 pm

2 stops9h 44m

Green Bay Austin-Straubel

Sat 7/4

3:12 pm-12:52 am

2 stops8h 40m

$319

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Thu 6/25

7:28 pm-12:10 am

1 stop5h 42m

Green Bay Austin-Straubel

Mon 6/29

6:51 pm-12:42 am

1 stop4h 51m

$339

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Fri 7/3

4:45 pm-8:32 pm

1 stop4h 47m

Green Bay Austin-Straubel

Sun 7/5

6:55 am-11:55 am

1 stop4h 00m

$354

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Fri 7/3

2:59 pm-10:51 pm

2 stops8h 52m

Green Bay Austin-Straubel

Sun 7/5

6:55 am-11:55 am

1 stop4h 00m

$359

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Fri 7/3

7:24 pm-12:12 am

1 stop5h 48m

Green Bay Austin-Straubel

Wed 7/8

1:01 pm-10:33 pm

2 stops8h 32m

$372

PortlandGreen Bay

PWM - GRB

PWMGRB

Portland

Sat 7/4

6:00 am-11:59 am

1 stop6h 59m

Green Bay Austin-Straubel

Sat 7/4

3:44 pm-9:41 pm

1 stop4h 57m

$383

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

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 month to fly to Green Bay?

The month of October is, on average, the cheapest month to fly to Green Bay from Portland, Maine, with most prices found around $0. If you aren’t able to travel during the month of October, then book flights to Green Bay from Portland, Maine during June instead. Flights to Green Bay in June, while not as cheap as those in October, still average around $284.

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

Fastest flight time

4h 56m

Direct flights

None
The fastest flight from Portland, Maine to Green Bay takes 4h 56m
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

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

  • 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 56m.

  • 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
9,831 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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Wed 7/15
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