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$251+ Cheap flights from Green Bay to Portland (GRB - PDX)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — PDX
août 3 — août 101
dim. 8/3
dim. 8/10
1 adult, Economy
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Cheap 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 juillet 29, 2025.

Round-trip from

$251
(American Airlines)

Popular in

August

Cheapest in

January

Average price

$314
From Green Bay Austin-Straubel to Portland
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 juillet 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/28. 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.
mer. 9/174:35 pmGRB - PDX
1 stop9h 30mAmerican Airlines
mer. 10/2211:58 pmPDX - GRB
1 stop7h 16mAmerican Airlines
Deal found 7/28$251
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/64:20 pmGRB - PDX
1 stop6h 39mDelta
ven. 9/1212:45 amPDX - GRB
1 stop8h 38mDelta
Deal found 7/27$289
This United Airlines deal was found by Cheapflights users on 7/28. 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.
jeu. 8/281:22 pmGRB - PDX
1 stop7h 09mUnited Airlines
mer. 9/310:51 amPDX - GRB
1 stop8h 52mUnited Airlines
Deal found 7/28$310
This FlightHub deal was found by Cheapflights users on 7/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/287:53 pmGRB - PDX
1 stop29h 31mFrontier
dim. 8/35:50 pmPDX - GRB
1 stop23h 05mFrontier
Deal found 7/27$355

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 juillet 29, 2025.
Use the filters below to find and compare flights from Green Bay to Portland that are best for you.

Fly from

Green Bay

Fly to

Portland

Route

Depart

Return

Price

Green BayPortland

GRB - PDX

GRBPDX

Green Bay Austin-Straubel

mer. 9/17

4:35 pm-12:05 am

1 stop9h 30m

Portland

mer. 10/22

11:58 pm-9:14 am

1 stop7h 16m

$251

Green BayPortland

GRB - PDX

GRBPDX

Green Bay Austin-Straubel

sam. 9/6

4:20 pm-8:59 pm

1 stop6h 39m

Portland

ven. 9/12

12:45 am-11:23 am

1 stop8h 38m

$289

Green BayPortland

GRB - PDX

GRBPDX

Green Bay Austin-Straubel

jeu. 8/28

1:22 pm-6:31 pm

1 stop7h 09m

Portland

mer. 9/3

10:51 am-9:43 pm

1 stop8h 52m

$310

Green BayPortland

GRB - PDX

GRBPDX

Green Bay Austin-Straubel

lun. 8/25

6:26 pm-11:26 pm

1 stop7h 00m

$299

Green BayPortland

GRB - PDX

GRBPDX

Green Bay Austin-Straubel

lun. 8/25

5:30 pm-10:25 pm

3 stops30h 55m

$390

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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, November is the cheapest month in which you can book a flight from Green Bay to Portland (average of $277). Flying from Green Bay to Portland in March is currently the most expensive (average of $368). 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.

What is the cheapest time of day to fly from GRB to PDX?

Find hourly flight availability from Green Bay to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated juillet 29, 2025.

When flying from Green Bay to Portland, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 2% versus a flight in the morning.

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 juillet 29, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American 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
8.0
Very good
7,977 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    According to our current data, American Airlines ($251), Delta ($289), and United Airlines ($310) offers the cheapest pricing from Green Bay to Portland. American Airlines is currently priced 46% below the average price you’ll pay for this route.

  • 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, November is the cheapest month in which you can book a flight from Green Bay to Portland (average of $277). Flying from Green Bay to Portland in March is currently the most expensive (average of $368). 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
Vancouver
Seaside
Beaverton
Clackamas
Lincoln City
McMinnville
Lake Oswego
Hillsboro
Astoria
Cannon Beach
Long Beach
Longview
Tigard
Depoe Bay
Woodburn
Stevenson
Wilsonville
Pacific City
Troutdale
Tillamook

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Green Bay to Portland

Discover the top 2 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 juillet 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$264Average$368FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$269Average$486FlexibilityNo cancel feeOn-time69%

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