$327+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — PDX
Sep 10 — Sep 171
Round-trip
1 adult, Economy
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Find cheap flights from Green Bay to Portland with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Green Bay to Portland
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Cheapest flights from Green Bay to PortlandExplore 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 August 11, 2026.
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 August 11, 2026.
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Thu 10/222:46 pm -
1 stop6h 55m
Sat 10/311:12 pm -
1 stop9h 00m
Deal found 8/10![American Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Thu 8/275:29 pm -
1 stop7h 23m
Wed 9/211:15 am -
2 stops10h 04m
Deal found 8/6![United Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Thu 9/174:04 pm -
1 stop10h 04m
Tue 9/2211:08 pm -
1 stop8h 27m
Deal found 8/10![American Airlines logo]()
$386
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Thu 8/275:29 pm -
1 stop7h 23m
Sat 8/298:17 am -
1 stop9h 04m
Deal found 8/8![United Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Thu 10/15:00 am -
1 stop8h 33m
Tue 10/67:02 am -
1 stop7h 52m
Deal found 8/8![United Airlines logo]()
$411
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Thu 10/291:32 pm -
2 stops11h 37m
Sun 11/18:40 am -
1 stop6h 06m
Deal found 8/8![United Airlines logo]()
$426
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Thu 9/179:03 am -
1 stop8h 53m
Sun 9/207:02 am -
1 stop8h 50m
Deal found 8/8![United Airlines logo]()
$438
This American Airlines deal was found by Cheapflights users on 8/8. 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 10/25:43 am -
1 stop7h 12m
Mon 10/510:55 pm -
1 stop8h 27m
Deal found 8/8![American Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Fri 9/185:05 pm -
1 stop7h 47m
Tue 9/222:27 pm -
1 stop6h 52m
Deal found 8/10![United Airlines logo]()
$459
Best flights from Green Bay to PortlandDiscover carefully curated flight deals from Green Bay to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 11, 2026.
Discover carefully curated flight deals from Green Bay to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 11, 2026.
This Delta deal was found by Cheapflights users on 8/6. 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 9/212:03 pm -
1 stop7h 31m
Wed 9/911:35 am -
1 stop8h 00m
Deal found 8/6![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/9. 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 1/126:30 am -
1 stop7h 23m
Tue 1/2610:56 pm -
2 stops11h 09m
Deal found 8/9![United Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Thu 9/174:04 pm -
1 stop10h 04m
Tue 9/2211:08 pm -
1 stop8h 27m
Deal found 8/10![American Airlines logo]()
$386
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Thu 8/275:29 pm -
1 stop7h 23m
Wed 9/211:15 am -
2 stops10h 04m
Deal found 8/6![United Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 8/8. 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.
Thu 8/275:55 am -
1 stop7h 39m
Sun 8/305:59 am -
1 stop6h 42m
Deal found 8/8![American Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Thu 8/276:25 am -
1 stop7h 03m
Sat 8/2910:50 am -
2 stops10h 29m
Deal found 8/8![United Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Thu 10/291:32 pm -
2 stops11h 37m
Sun 11/18:40 am -
1 stop6h 06m
Deal found 8/8![United Airlines logo]()
$426
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Fri 9/185:05 pm -
1 stop7h 47m
Tue 9/222:27 pm -
1 stop6h 52m
Deal found 8/10![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Wed 9/26:25 am -
3 stops15h 45m
Wed 9/92:27 pm -
1 stop6h 52m
Deal found 8/6![United Airlines logo]()
$469
Last-minute flights from Green Bay to PortlandDiscover last-minute flight deals from Green Bay to Portland. Data last updated August 11, 2026 and is based on user searches.
Discover last-minute flight deals from Green Bay to Portland. Data last updated August 11, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/7. 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 8/186:25 am -
1 stop7h 03m
Tue 8/2511:02 pm -
1 stop8h 57m
Deal found 8/7![United Airlines logo]()
$470
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Thu 8/275:29 pm -
1 stop7h 23m
Wed 9/211:15 am -
2 stops10h 04m
Deal found 8/6![United Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Thu 8/275:29 pm -
1 stop7h 23m
Sat 8/298:17 am -
1 stop9h 04m
Deal found 8/8![United Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Thu 8/279:14 am -
2 stops11h 05m
Sun 8/307:16 am -
1 stop7h 38m
Deal found 8/8![United Airlines logo]()
$399
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Thu 9/174:04 pm -
1 stop10h 04m
Tue 9/2211:08 pm -
1 stop8h 27m
Deal found 8/10![American Airlines logo]()
$386
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Thu 9/179:03 am -
1 stop8h 53m
Sun 9/207:02 am -
1 stop8h 50m
Deal found 8/8![United Airlines logo]()
$438
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Fri 9/185:05 pm -
1 stop7h 47m
Tue 9/222:27 pm -
1 stop6h 52m
Deal found 8/10![United Airlines logo]()
$459
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Thu 9/244:16 pm -
1 stop9h 51m
Sun 9/2711:08 pm -
1 stop8h 27m
Deal found 8/11![American Airlines logo]()
$359
One-way flights from Green Bay to PortlandSearch for one-way flight options from Green Bay to Portland. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
Search for one-way flight options from Green Bay to Portland. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
This United Airlines deal was found by Cheapflights users on 8/6. 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 9/153:42 pm -
1 stop9h 10m
Deal found 8/6![United Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 8/9. 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.
Tue 9/112:03 pm -
1 stop7h 31m
Deal found 8/9![Delta logo]()
$358
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/19:14 am -
2 stops10h 36m
Deal found 8/9![United Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Mon 9/216:00 am -
3 stops16h 10m
Deal found 8/8![United Airlines logo]()
$573
This American Airlines deal was found by Cheapflights users on 8/8. 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.
Thu 9/245:43 am -
1 stop7h 12m
Deal found 8/8![American Airlines logo]()
$757
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 August 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (American Airlines) |
One-way from | $327 (United Airlines) |
Popular in | July |
Cheapest in | January |
Average price | $454 |
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 August 11, 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
Cheapest round-trip
Green BayPortland
GRB Green Bay Austin-Straubel - PDX Portland
GRBPDX
Green Bay Austin-Straubel
Wed 9/2
12:03 pm-5:34 pm
1 stop7h 31m
Portland
Wed 9/9
11:35 am-9:35 pm
1 stop8h 00m
$359
Green BayPortland
GRB Green Bay Austin-Straubel - PDX Portland
GRBPDX
Green Bay Austin-Straubel
Tue 1/12
6:30 am-11:53 am
1 stop7h 23m
Portland
Tue 1/26
10:56 pm-12:05 pm
2 stops11h 09m
$364
Green BayPortland
GRB Green Bay Austin-Straubel - PDX Portland
GRBPDX
Green Bay Austin-Straubel
Thu 8/27
5:29 pm-10:52 pm
1 stop7h 23m
Portland
Wed 9/2
11:15 am-11:19 pm
2 stops10h 04m
$364
Green BayPortland
GRB Green Bay Austin-Straubel - PDX Portland
GRBPDX
Green Bay Austin-Straubel
Thu 9/17
4:04 pm-12:08 am
1 stop10h 04m
Portland
Tue 9/22
11:08 pm-9:35 am
1 stop8h 27m
$386
Quickest round-trip
Green BayPortland
GRB Green Bay Austin-Straubel - PDX Portland
GRBPDX
Green Bay Austin-Straubel
Thu 8/27
5:55 am-11:34 am
1 stop7h 39m
Portland
Sun 8/30
5:59 am-2:41 pm
1 stop6h 42m
$394
Green BayPortland
GRB Green Bay Austin-Straubel - PDX Portland
GRBPDX
Green Bay Austin-Straubel
Thu 8/27
6:25 am-11:28 am
1 stop7h 03m
Portland
Sat 8/29
10:50 am-11:19 pm
2 stops10h 29m
$399
Green BayPortland
GRB Green Bay Austin-Straubel - PDX Portland
GRBPDX
Green Bay Austin-Straubel
Thu 10/29
1:32 pm-11:09 pm
2 stops11h 37m
Portland
Sun 11/1
8:40 am-4:46 pm
1 stop6h 06m
$426
Green BayPortland
GRB Green Bay Austin-Straubel - PDX Portland
GRBPDX
Green Bay Austin-Straubel
Fri 9/18
5:05 pm-10:52 pm
1 stop7h 47m
Portland
Tue 9/22
2:27 pm-11:19 pm
1 stop6h 52m
$459
Green BayPortland
GRB Green Bay Austin-Straubel - PDX Portland
GRBPDX
Green Bay Austin-Straubel
Wed 9/2
6:25 am-8:10 pm
3 stops15h 45m
Portland
Wed 9/9
2:27 pm-11:19 pm
1 stop6h 52m
$469
Cheapest one-way
Green BayPortland
GRB Green Bay Austin-Straubel - PDX Portland
GRBPDX
Green Bay Austin-Straubel
Tue 9/15
3:42 pm-10:52 pm
1 stop9h 10m
$327
Showing 1-10 of 15 resultsSorted by cheapest first
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
GRB-PDX
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
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 August 11, 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.
Entertainment
7.8
Food
7.2
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Food
7.2
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Food
7.2
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Food
7.2
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsBeaverton
Seaside
Lincoln City
Durham
Longview
Lake Oswego
Hillsboro
Kelso
Clackamas
Troutdale
Vancouver
Cannon Beach
McMinnville
The Dalles
Wilsonville
Stevenson
Tillamook
Astoria
Gresham
Silverton
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Green Bay and Portland flights
Browse other Green Bay and Portland flight options. Last updated on August 11, 2026.
Other flights from Green Bay
Browse through other flights departing from Green Bay. Flights are based on user searches made on Cheapflights and were last updated on August 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Portland
Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 11, 2026.
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 August 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$280 | Average$375 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$288 | Average$454 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$292 | Average$430 | FlexibilityNo cancel fee | On-timeN/A |