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$146+ Cheap flights from Green Bay to Portland (GRB - PDX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — PDX
Apr 27 — May 41
Mon 4/27
Mon 5/4
1 adult, Economy
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Cheap flight deals from Green Bay to Portland

Cheapest flights from Green Bay to Portland
Explore the most affordable flight options available from Green Bay to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2026.

This American Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:24 pm
GRB
-
PDX
1 stop8h 33m
American Airlines
Tue 5/51:23 pm
PDX
-
GRB
1 stop6h 35m
American Airlines
Deal found 3/25$291
This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:24 pm
GRB
-
PDX
1 stop7h 23m
American Airlines
Tue 5/1911:47 pm
PDX
-
GRB
1 stop7h 25m
American Airlines
Deal found 3/27$330
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1812:00 pm
GRB
-
PDX
1 stop7h 32m
Delta
Sat 4/251:55 pm
PDX
-
GRB
1 stop6h 04m
Delta
Deal found 3/24$339
This American Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:24 pm
GRB
-
PDX
1 stop8h 33m
American Airlines
Wed 4/2911:47 pm
PDX
-
GRB
1 stop7h 25m
American Airlines
Deal found 3/25$340
This United Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:40 pm
GRB
-
PDX
1 stop6h 54m
United Airlines
Tue 4/2111:59 pm
PDX
-
GRB
1 stop8h 01m
United Airlines
Deal found 3/26$355
This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:24 pm
GRB
-
PDX
1 stop7h 23m
American Airlines
Mon 5/1811:47 pm
PDX
-
GRB
1 stop7h 25m
American Airlines
Deal found 3/27$369
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:01 pm
GRB
-
PDX
1 stop7h 01m
Delta
Mon 5/1811:12 pm
PDX
-
GRB
1 stop9h 19m
Delta
Deal found 3/25$370
This American Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:51 pm
GRB
-
PDX
1 stop7h 01m
American Airlines
Sat 5/3011:43 pm
PDX
-
GRB
2 stops10h 02m
American Airlines
Deal found 3/26$374

Find flight deals from Green Bay to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$291
(American Airlines)

One-way from

$146
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$383
Provider with most accurate pricing for Green Bay Austin-Straubel-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Green Bay Austin-Straubel-Portland flights.
Search Deals
From Green Bay Austin-Straubel to Portland
Search Deals
One-way flight from Green Bay Austin-Straubel to Portland
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Green Bay to Portland 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, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2026.
Use the filters below to find and compare flights from Green Bay to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Green BayPortland

GRB - PDX

GRBPDX

Green Bay Austin-Straubel

Tue 5/26

5:00 am-9:39 am

1 stop6h 39m

Portland

Tue 6/2

10:40 pm-10:01 am

1 stop9h 21m

$369

Green BayPortland

GRB - PDX

GRBPDX

Green Bay Austin-Straubel

Tue 4/28

2:48 pm-10:34 pm

1 stop9h 46m

Portland

Sat 5/2

11:55 pm-10:00 am

1 stop8h 05m

$391

Green BayPortland

GRB - PDX

GRBPDX

Green Bay Austin-Straubel

Thu 5/7

5:01 pm-11:44 pm

2 stops8h 43m

Portland

Mon 5/11

11:12 pm-11:13 am

2 stops10h 01m

$411
Cheapest one-way

Green BayPortland

GRB - PDX

GRBPDX

Green Bay Austin-Straubel

Wed 4/15

7:30 am-4:59 pm

2 stops11h 29m

$175

Green BayPortland

GRB - PDX

GRBPDX

Green Bay Austin-Straubel

Wed 6/17

6:49 pm-11:56 pm

1 stop7h 07m

$269

Green BayPortland

GRB - PDX

GRBPDX

Green Bay Austin-Straubel

Wed 6/17

4:14 pm-11:46 pm

2 stops9h 32m

$274
Quickest one-way

Green BayPortland

GRB - PDX

GRBPDX

Green Bay Austin-Straubel

Mon 8/10

5:00 am-9:34 am

1 stop6h 34m

$280

Green BayPortland

GRB - PDX

GRBPDX

Green Bay Austin-Straubel

Sun 8/9

5:00 am-9:34 am

1 stop6h 34m

$299

Green BayPortland

GRB - PDX

GRBPDX

Green Bay Austin-Straubel

Wed 4/15

2:48 pm-12:34 pm

3 stops23h 46m

$432

Green BayPortland

GRB - PDX

GRBPDX

Green Bay Austin-Straubel

Sun 8/9

6:00 am-4:52 pm

2 stops12h 52m

$491

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Compare providers for flights from Green Bay to Portland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Green Bay to Portland in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Green Bay-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Green Bay-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Green Bay-Portland flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Green Bay-Portland flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Green Bay-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Green Bay to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Green Bay with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

What is the cheapest month to book a flight from Green Bay to Portland?

Currently, September is the cheapest month in which you can book a flight from Green Bay to Portland (average of $128). Flying from Green Bay to Portland in November is currently the most expensive (average of $289). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Green Bay to Portland?

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated March 28, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Green Bay to Portland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,356 reviews

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,356 reviews
Delta
7.9
Good
8,356 reviews

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,499 reviews
Delta
7.9
Good
8,356 reviews

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,520 reviews
Delta
7.9
Good
8,356 reviews

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Green Bay to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Green Bay to Portland?

    Airlines like United Airlines fly from Green Bay to Portland in about 6h 39m. The time it takes to get you to your destination can typically vary by up to . Green Bay and Portland are separated by a distance of 1670 mi.

  • What are the cheapest airlines flying from Green Bay to Portland round-trip?

    According to our current data, United Airlines ($159), American Airlines ($280), and Delta ($292) offers the cheapest pricing from Green Bay to Portland. United Airlines is currently priced 63% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Green Bay to Portland one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $114. American Airlines flights start at $125 while deals on United Airlines start at $150 one-way.

  • Can I find deals for flights from Green Bay to Portland that include hotel bookings?

    Yes. In addition to deals on Green Bay to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Green Bay to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Green Bay to Portland.

  • Can I find deals for business class flights from Green Bay to Portland?

    Yes. Cheapflights offers flight deals from Green Bay to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, September is the cheapest month in which you can book a flight from Green Bay to Portland (average of $128). Flying from Green Bay to Portland in November is currently the most expensive (average of $289). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Beaverton
Seaside
Vancouver
Lincoln City
Longview
Lake Oswego
Hillsboro
Clackamas
Troutdale
Cannon Beach
Long Beach
McMinnville
Tigard
The Dalles
Wilsonville
Depoe Bay
Stevenson
Tillamook
Astoria
Pacific City

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Green Bay to Portland

Discover the top 3 airlines that operate flights from Green Bay to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$159Average$455FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$280Average$370FlexibilityNo cancel feeOn-time71%
DeltaCheapest$292Average$418FlexibilityNo cancel feeOn-timeN/A

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