PWM - GRB

$309 Find Cheap Flights from Portland to Green Bay - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to Green Bay departing on 8/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$319
Typical prices: $433-$761
American Airlines
Thu 9/10Sun 9/13
PWM - GRB • 1 stop
Cheapest one-way
$309
United Airlines
Tue 8/11
PWM - GRB • 1 stop
Top airlines
Cheapest • from $319 (round-trip)
Best reviews • 7.4 score
Airline reviews
Airline reviews
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Airline reviews
Airline reviews
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Nonstop flights
Not available
There are currently no direct flights between Portland and Green Bay. You'll need at least 1 connection.
Insights
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Insights
Top layover airports
Cheapest • Avg $564 (round-trip)
Shortest trip • 4h 54m (one-way)
Insights
Insights
Insights
Insights
When to travel
Cheapest • 100% price drop
Most popular
Good to know
Good to know
+1
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Good to know
+1
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We hope you love your trip to Green Bay!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Portland to Green Bay (PWM-GRB)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Portland to Green Bay that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Portland to Green Bay

Thu, Sep 10 - Sun, Sep 13
American Airlines Logo
2:03 pm - 7:56 pm
PWM
-
GRB
6h 53m
1 stop
American Airlines Logo
5:43 am - 1:05 pm
GRB
-
PWM
6h 22m
1 stop
$319American Airlines
Fri, Sep 11 - Sun, Sep 13
American Airlines Logo
2:03 pm - 7:56 pm
PWM
-
GRB
6h 53m
1 stop
American Airlines Logo
5:43 am - 1:05 pm
GRB
-
PWM
6h 22m
1 stop
$319American Airlines
Sat, Sep 5 - Wed, Sep 9
United Airlines Logo
5:03 pm - 11:19 pm
PWM
-
GRB
7h 16m
1 stop
United Airlines Logo
9:34 am - 5:54 pm
GRB
-
PWM
7h 20m
1 stop
$391United Airlines
Sat, Sep 5 - Wed, Sep 9
United Airlines Logo
6:02 am - 9:59 am
PWM
-
GRB
4h 57m
1 stop
United Airlines Logo
9:34 am - 11:32 pm
GRB
-
PWM
12h 58m
2 stops
$396United Airlines
Sat, Sep 5 - Wed, Sep 9
United Airlines Logo
5:03 pm - 11:19 pm
PWM
-
GRB
7h 16m
1 stop
United Airlines Logo
9:34 am - 5:54 pm
GRB
-
PWM
7h 20m
1 stop
$399United Airlines
Sat, Sep 5 - Wed, Sep 9
United Airlines Logo
3:45 pm - 11:19 pm
PWM
-
GRB
8h 34m
2 stops
United Airlines Logo
9:34 am - 11:32 pm
GRB
-
PWM
12h 58m
2 stops
$401United Airlines
Sat, Sep 5 - Wed, Sep 9
United Airlines Logo
6:02 am - 9:59 am
PWM
-
GRB
4h 57m
1 stop
United Airlines Logo
9:34 am - 11:32 pm
GRB
-
PWM
12h 58m
2 stops
$404United Airlines
Tue, Sep 8 - Fri, Sep 11
Delta Logo
1:59 pm - 8:32 pm
PWM
-
GRB
7h 33m
2 stops
Delta Logo
11:02 am - 11:29 pm
GRB
-
PWM
11h 27m
2 stops
$465Delta
Booking Insights

KAYAK's insights & trends for Portland to Green Bay flights

Get data-powered insights and trends into flights from Portland to Green Bay to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Portland, Maine to Green Bay?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Portland, Maine to Green Bay departing in September.

Flight prices are below average for this route right now.

Flights to Green Bay from Portland, Maine usually cost between $481 and $528 in September.
The lowest price found in the past 5 days was $319 on American Airlines (Sep 10-Sep 13).

What is the cheapest month to fly from Portland to Green Bay?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Portland to Green Bay, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Portland to Green Bay is June, where tickets cost $0 (return) on average. On the other hand, the most expensive months are July and December, where the average cost of round-trip tickets is $762 and $713 respectively.

Good to know

Cheapest flight

$309
Flight from Portland to Green Bay

When to book flights from Portland to Green Bay

Are your dates flexible? Find out the best times to travel from Portland to Green Bay based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Portland to Green Bay

  • What is the cheapest flight from Portland to Green Bay?

    In the last 5 days, the lowest price for a flight from Portland to Green Bay was $309 for a one-way ticket and $319 for a round-trip.

  • Do I need a passport to fly between Portland and Green Bay?

    No

  • Which aircraft models fly most regularly from Portland to Green Bay?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Portland to Green Bay?

    Star Alliance is the only airline alliance operating flights between Portland and Green Bay.

  • How does KAYAK find such low prices on flights from Portland to Green Bay?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to Green Bay.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to Green Bay?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Green Bay from Portland is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portland to Green Bay?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Green Bay with an airline and back to Portland with another airline. Booking your flights between Portland and GRB can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Green Bay?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Green Bay from Portland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Portland to Green Bay

 
See real verified KAYAK customer reviews for airlines flying from Portland to Green Bay. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Portland to Green Bay? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 10052 reviews
8.1Crew
6.6Food
7.7Boarding
7.3Comfort
7.1Entertainment
Airline reviews

It was hot and not as comfortable as the flight to Chicago. Must have been a different plane that needs to be worked on or replaced.

8.0 ExcellentArmedrest, Jul 2026
ORD - PAH
Read more United Airlines reviews

It was hot and not as comfortable as the flight to Chicago. Must have been a different plane that needs to be worked on or replaced.

My flight was delayed so bad i missed u it so i just said never mind

Wonderful flight! The crew was good, check-in was good and orderly and the flight was uneventful and good.

Both my flight where delayed Had 25min to make it to my transfer flight

Deplaning was delayed because of Jetbridge equipment issues in MKE, causing an issue on an otherwise great flight.

I just got back from a trip with 3 flights each way. The flights were good and we were happy with out experience. There was one steward on our first flight that was harsh and grump with passengers. It did not leave a good impression. All of the other flight crews were great on the other five flights.

Delays took 2hours and thirty minutes making me miss my connecting flight and make me sit in the Chicago airport for 9 hours

They changed my flight 5 hours before it took off and changed my connecting airport messing up my entire 1st day in Japan.

No real agent onsite helping you for missing luggage there. Not like the other airline next to UA desk, they have staff attending in their desk assisting answer/helping luggage issue, even after midnight.

The wi-fi was awful. I paid $8 each way and got little , except frustration. .

Everything you need to know for your flight from Portland to Green Bay

Information on your arrival and departure airports