$319+ Cheap flights from Portland, ME to Green Bay (PWM - GRB)
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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — GRB
Oct 9 — Oct 161
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Green Bay 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 Portland to Green Bay
Cheapest
Best
Last-minute
Cheapest flights from Portland to Green BayExplore the most affordable flight options available from Portland to Green Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
Explore the most affordable flight options available from Portland to Green Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 11/118:47 am -
1 stop4h 59m
Sat 11/143:15 pm -
1 stop5h 33m
Deal found 9/9![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:01 am -
1 stop7h 18m
Sun 11/17:00 am -
1 stop3h 57m
Deal found 9/7![Delta logo]()
$339
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/105:38 pm -
1 stop7h 35m
Sun 9/135:43 am -
1 stop6h 22m
Deal found 9/5![American Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 9/9. 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.
Thu 9/104:45 pm -
1 stop4h 47m
Sun 9/135:30 am -
1 stop6h 34m
Deal found 9/9![Delta logo]()
$439
This American Airlines deal was found by Cheapflights users on 9/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:27 pm -
2 stops8h 45m
Sun 11/12:40 pm -
2 stops6h 59m
Deal found 9/7![American Airlines logo]()
$513
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/225:15 am -
2 stops7h 50m
Sat 9/266:20 am -
2 stops12h 04m
Deal found 9/7![United Airlines logo]()
$545
This American Airlines deal was found by Cheapflights users on 9/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:31 pm -
2 stops8h 42m
Sat 9/264:04 pm -
1 stop6h 43m
Deal found 9/7![American Airlines logo]()
$582
Best flights from Portland to Green BayDiscover carefully curated flight deals from Portland to Green Bay that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
Discover carefully curated flight deals from Portland to Green Bay that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 11/118:47 am -
1 stop4h 59m
Sat 11/143:15 pm -
1 stop5h 33m
Deal found 9/9![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:01 am -
2 stops12h 20m
Sun 11/15:30 am -
1 stop6h 32m
Deal found 9/7![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 1/67:23 am -
2 stops12h 53m
Sat 1/95:00 am -
2 stops12h 13m
Deal found 9/9![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Fri 2/194:48 pm -
1 stop6h 56m
Sun 2/216:50 pm -
1 stop25h 37m
Deal found 9/8![United Airlines logo]()
$582
Last-minute flights from Portland to Green BayDiscover last-minute flight deals from Portland to Green Bay. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Green Bay. Data last updated September 9, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/105:38 pm -
1 stop7h 35m
Sun 9/135:43 am -
1 stop6h 22m
Deal found 9/5![American Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 9/9. 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.
Thu 9/104:45 pm -
1 stop4h 47m
Sun 9/135:30 am -
1 stop6h 34m
Deal found 9/9![Delta logo]()
$439
This American Airlines deal was found by Cheapflights users on 9/8. 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 9/185:05 pm -
2 stops8h 08m
Fri 9/258:27 pm -
1 stop19h 27m
Deal found 9/8![American Airlines logo]()
$616
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/225:15 am -
2 stops7h 50m
Sat 9/266:20 am -
2 stops12h 04m
Deal found 9/7![United Airlines logo]()
$545
This American Airlines deal was found by Cheapflights users on 9/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:31 pm -
2 stops8h 42m
Sat 9/264:04 pm -
1 stop6h 43m
Deal found 9/7![American Airlines logo]()
$582
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:01 am -
1 stop7h 18m
Sun 11/17:00 am -
1 stop3h 57m
Deal found 9/7![Delta logo]()
$339
This American Airlines deal was found by Cheapflights users on 9/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:27 pm -
2 stops8h 45m
Sun 11/12:40 pm -
2 stops6h 59m
Deal found 9/7![American Airlines logo]()
$513
Find flight deals from Portland to Green Bay
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Green Bay (GRB). 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 September 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $319 (United Airlines) |
Popular in | July |
Cheapest in | January |
Average price | $665 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland 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, Cheapflights users made 7,457,451 searches. Data last updated September 9, 2026.
Use the filters below to find and compare flights from Portland to Green Bay that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
PortlandGreen Bay
PWM Portland - GRB Green Bay Austin-Straubel
PWMGRB
Portland
Wed 11/11
8:47 am-12:46 pm
1 stop4h 59m
Green Bay Austin-Straubel
Sat 11/14
3:15 pm-9:48 pm
1 stop5h 33m
$319
PortlandGreen Bay
PWM Portland - GRB Green Bay Austin-Straubel
PWMGRB
Portland
Fri 10/30
6:01 am-5:21 pm
2 stops12h 20m
Green Bay Austin-Straubel
Sun 11/1
5:30 am-1:02 pm
1 stop6h 32m
$344
PortlandGreen Bay
PWM Portland - GRB Green Bay Austin-Straubel
PWMGRB
Portland
Wed 1/6
7:23 am-7:16 pm
2 stops12h 53m
Green Bay Austin-Straubel
Sat 1/9
5:00 am-6:13 pm
2 stops12h 13m
$409
PortlandGreen Bay
PWM Portland - GRB Green Bay Austin-Straubel
PWMGRB
Portland
Fri 2/19
4:48 pm-10:44 pm
1 stop6h 56m
Green Bay Austin-Straubel
Sun 2/21
6:50 pm-9:27 pm
1 stop25h 37m
$582
Sorted by cheapest first
Compare providers for flights from Portland to Green Bay
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 Portland to Green Bay in September.
| 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 Portland, Maine-Green Bay flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Green Bay flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Green Bay flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland, Maine-Green Bay 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 Portland, Maine-Green Bay 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 Portland to Green Bay
Have a flexible travel schedule? Discover the best time to fly to Green Bay from Portland with our price prediction graph.
PWM-GRB
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.
Reviews of airlines servicing Green Bay
Get insights into the airlines that provide service to Green Bay. 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 Green Bay. Reviews last updated September 9, 2026.
Peruse reviews from past customers who have flown with United Airlines from Portland to Green Bay to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Entertainment
7.1
Overall
7.4
Boarding
7.7
Crew
8.1
Food
6.6
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Comfort
7.3
Entertainment
7.1
Overall
7.4
Boarding
7.7
Crew
8.1
Food
6.6
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Related info for your journey
Find useful and relevant information for your journey from Portland to Green Bay. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
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Other flights to Green Bay
Explore flights to Green Bay departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 9, 2026.
Portland and Green Bay flights
Browse other Portland and Green Bay flight options. Last updated on September 9, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on September 9, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Portland to Green Bay
Discover the top airline that operate flights from Portland to Green Bay. 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 7,457,451 searches. Data last updated September 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$328 | Average$433 | FlexibilityNo cancel fee | On-time69% |