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$173+ Cheap flights from Greensboro to Portland, ME (GSO - PWM)

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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
GSO — PWM
May 9 — May 161
Sat 5/9
Sat 5/16
1 adult, Economy
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Cheap flight deals from Greensboro to Portland

Cheapest flights from Greensboro to Portland
Explore the most affordable flight options available from Greensboro to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 9, 2026.

This American Airlines deal was found by Cheapflights users on 4/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:00 am
GSO
-
PWM
1 stop4h 23m
American Airlines
Sat 5/235:57 pm
PWM
-
GSO
1 stop6h 01m
American Airlines
Deal found 4/6$261
This United Airlines deal was found by Cheapflights users on 4/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:07 pm
GSO
-
PWM
1 stop4h 12m
United Airlines
Wed 8/265:15 am
PWM
-
GSO
2 stops8h 47m
United Airlines
Deal found 4/5$266
This American Airlines deal was found by Cheapflights users on 4/5. 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.
Tue 10/278:12 am
GSO
-
PWM
1 stop4h 05m
American Airlines
Tue 11/35:19 pm
PWM
-
GSO
2 stops6h 39m
American Airlines
Deal found 4/5$281
This American Airlines deal was found by Cheapflights users on 4/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:07 pm
GSO
-
PWM
1 stop5h 19m
American Airlines
Mon 5/187:23 pm
PWM
-
GSO
1 stop4h 20m
American Airlines
Deal found 4/6$291
This American Airlines deal was found by Cheapflights users on 4/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:07 pm
GSO
-
PWM
1 stop5h 19m
American Airlines
Sun 5/245:42 am
PWM
-
GSO
2 stops6h 38m
American Airlines
Deal found 4/6$296
This American Airlines deal was found by Cheapflights users on 4/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:10 am
GSO
-
PWM
1 stop4h 41m
American Airlines
Sat 5/305:57 pm
PWM
-
GSO
1 stop6h 01m
American Airlines
Deal found 4/9$304
This Delta deal was found by Cheapflights users on 4/9. 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.
Fri 5/296:00 am
GSO
-
PWM
1 stop4h 23m
Delta
Fri 6/195:30 pm
PWM
-
GSO
1 stop5h 05m
Delta
Deal found 4/9$310
This Delta deal was found by Cheapflights users on 4/9. 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.
Sat 6/204:35 pm
GSO
-
PWM
1 stop6h 40m
Delta
Thu 6/251:12 pm
PWM
-
GSO
1 stop5h 10m
Delta
Deal found 4/9$325
This American Airlines deal was found by Cheapflights users on 4/5. 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.
Mon 4/206:00 am
GSO
-
PWM
1 stop3h 54m
American Airlines
Mon 4/276:00 am
PWM
-
GSO
1 stop6h 35m
American Airlines
Deal found 4/5$334
This Delta deal was found by Cheapflights users on 4/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:29 pm
GSO
-
PWM
1 stop4h 55m
Delta
Sat 4/251:23 pm
PWM
-
GSO
1 stop5h 02m
Delta
Deal found 4/5$339

Find flight deals from Greensboro to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Greensboro (GSO) to Portland (PWM). 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 April 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$261
(American Airlines)

One-way from

$188
(Kiwi.com)

Popular in

March

Cheapest in

November

Average price

$448
Provider with most accurate pricing for Greensboro/H. Point-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greensboro/H. Point-Portland flights.
Search Deals
From Greensboro/H. Point to Portland
Search Deals
One-way flight from Greensboro/H. Point to Portland
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Greensboro 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 April 9, 2026.
Use the filters below to find and compare flights from Greensboro to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

GreensboroPortland

GSO - PWM

GSOPWM

Greensboro/H. Point

Tue 8/18

6:00 am-1:54 pm

2 stops7h 54m

Portland

Wed 8/26

5:15 am-2:02 pm

2 stops8h 47m

$351

GreensboroPortland

GSO - PWM

GSOPWM

Greensboro/H. Point

Mon 4/20

6:00 am-1:25 pm

2 stops7h 25m

Portland

Mon 4/27

3:22 pm-11:43 pm

2 stops8h 21m

$425
Quickest round-trip

GreensboroPortland

GSO - PWM

GSOPWM

Greensboro/H. Point

Mon 5/18

6:00 am-12:38 pm

1 stop6h 38m

Portland

Tue 5/19

12:50 pm-5:37 pm

1 stop4h 47m

$435

GreensboroPortland

GSO - PWM

GSOPWM

Greensboro/H. Point

Fri 8/28

6:00 am-10:02 am

1 stop4h 02m

Portland

Wed 9/2

3:44 pm-11:40 pm

2 stops7h 56m

$449

GreensboroPortland

GSO - PWM

GSOPWM

Greensboro/H. Point

Thu 6/18

6:00 am-10:22 am

1 stop4h 22m

Portland

Mon 6/22

6:00 am-1:49 pm

1 stop7h 49m

$455

GreensboroPortland

GSO - PWM

GSOPWM

Greensboro/H. Point

Wed 6/24

6:00 am-12:32 pm

1 stop6h 32m

Portland

Sun 6/28

6:00 am-1:49 pm

1 stop7h 49m

$459

GreensboroPortland

GSO - PWM

GSOPWM

Greensboro/H. Point

Thu 4/23

6:00 am-10:22 am

1 stop4h 22m

Portland

Mon 4/27

3:22 pm-11:43 pm

2 stops8h 21m

$510
Cheapest one-way

GreensboroPortland

GSO - PWM

GSOPWM

Greensboro/H. Point

Fri 5/15

3:16 pm-4:16 pm

2 stops25h 00m

$173
Quickest one-way

GreensboroPortland

GSO - PWM

GSOPWM

Greensboro/H. Point

Thu 5/7

6:00 am-9:54 am

1 stop3h 54m

$228

GreensboroPortland

GSO - PWM

GSOPWM

Greensboro/H. Point

Thu 5/7

6:00 am-1:27 pm

2 stops7h 27m

$243

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Compare providers for flights from Greensboro 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 Greensboro to Portland in April.
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 Greensboro-Portland, Maine flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Greensboro-Portland, Maine flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Greensboro-Portland, Maine flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Greensboro-Portland, Maine 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 Greensboro-Portland, Maine 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 Greensboro to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Greensboro 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 Greensboro to Portland

What is the cheapest month to book a flight from Greensboro to Portland, Maine?

Currently, October is the cheapest month in which you can book a flight from Greensboro to Portland, Maine (average of $56). Flying from Greensboro to Portland, Maine in July is currently the most expensive (average of $107). 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 Greensboro to Portland, Maine?

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 April 9, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Greensboro 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
8,392 reviews

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

Boarding

8.1

Overall

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
8,392 reviews
Delta
7.9
Good
8,392 reviews

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

Boarding

8.1

Overall

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
9,554 reviews
Delta
7.9
Good
8,392 reviews

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

Boarding

8.1

Overall

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
11,560 reviews
Delta
7.9
Good
8,392 reviews

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

Boarding

8.1

Overall

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 Greensboro 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 Greensboro to Portland, Maine?

    Airlines like American Airlines and United Airlines fly from Greensboro to Portland, Maine in about 4h 12m. The time it takes to get you to your destination can typically vary by up to 11m. Airlines will cover a distance of 728 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Greensboro to Portland, Maine round-trip?

    Cheapflights users have booked flights from Greensboro to Portland, Maine round-trip from $173. Other airlines that can offer you cheap pricing are United Airlines, from $258, and American Airlines, from $278. You may be able to fly from Greensboro to Portland, Maine for 56% less than the average price by searching for these airlines.

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

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

  • How can I find direct flights from Greensboro to Portland?

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

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

    Yes. Cheapflights offers flight deals from Greensboro 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 Greensboro to Portland, Maine?

    Currently, October is the cheapest month in which you can book a flight from Greensboro to Portland, Maine (average of $56). Flying from Greensboro to Portland, Maine in July is currently the most expensive (average of $107). 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
North Conway
Brunswick
Auburn
Lewiston
Conway

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Greensboro to Portland

Discover the top 3 airlines that operate flights from Greensboro 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 April 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$173Average$285FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$258Average$412FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$278Average$405FlexibilityNo cancel feeOn-time71%

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