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$139+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
GSO — PWM
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheap 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 September 14, 2025.

Round-trip from

$249
(American Airlines)

One-way from

$139
(American Airlines)

Popular in

April

Cheapest in

November

Average price

$376
From Greensboro/H. Point to Portland
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One-way flight from Greensboro/H. Point to Portland
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Highest demand for flights based on searches. 3% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 14, 2025.

This American Airlines deal was found by Cheapflights users on 9/12. 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 10/182:00 pmGSO - PWM
1 stop6h 58mAmerican Airlines
Wed 10/227:00 amPWM - GSO
1 stop6h 36mAmerican Airlines
Deal found 9/12$249
This American Airlines deal was found by Cheapflights users on 9/13. 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 10/65:55 amGSO - PWM
1 stop5h 59mAmerican Airlines
Wed 10/155:21 pmPWM - GSO
1 stop6h 18mAmerican Airlines
Deal found 9/13$250
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Sat 9/2712:56 pmGSO - PWM
1 stop8h 48mUnited Airlines
Wed 10/110:40 amPWM - GSO
1 stop7h 04mUnited Airlines
Deal found 9/12$259
This Delta deal was found by Cheapflights users on 9/12. 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 9/276:35 amGSO - PWM
2 stops10h 41mDelta
Wed 10/16:00 amPWM - GSO
2 stops11h 39mDelta
Deal found 9/12$269
This Delta deal was found by Cheapflights users on 9/13. 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 9/246:37 pmGSO - PWM
1 stop5h 34mDelta
Wed 10/16:00 amPWM - GSO
1 stop5h 18mDelta
Deal found 9/13$284
This American Airlines deal was found by Cheapflights users on 9/12. 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 10/142:00 pmGSO - PWM
1 stop6h 18mAmerican Airlines
Wed 10/156:00 amPWM - GSO
1 stop3h 55mAmerican Airlines
Deal found 9/12$317
This Delta deal was found by Cheapflights users on 9/13. 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.
Mon 10/62:55 pmGSO - PWM
1 stop7h 24mDelta
Wed 10/155:42 amPWM - GSO
2 stops9h 38mDelta
Deal found 9/13$323
This Delta deal was found by Cheapflights users on 9/12. 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 10/142:58 pmGSO - PWM
1 stop7h 21mDelta
Wed 10/155:42 amPWM - GSO
2 stops8h 11mDelta
Deal found 9/12$347

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 September 14, 2025.
Use the filters below to find and compare flights from Greensboro to Portland that are best for you.

Fly from

Greensboro

Fly to

Portland

Route

Depart

Return

Price

GreensboroPortland

GSO - PWM

GSOPWM

Greensboro/H. Point

Sat 10/18

2:43 pm-9:21 pm

2 stops6h 38m

Portland

Wed 10/22

7:00 am-1:36 pm

1 stop6h 36m

$254

GreensboroPortland

GSO - PWM

GSOPWM

Greensboro/H. Point

Sat 9/27

12:56 pm-9:44 pm

1 stop8h 48m

Portland

Wed 10/1

10:40 am-5:44 pm

1 stop7h 04m

$259

GreensboroPortland

GSO - PWM

GSOPWM

Greensboro/H. Point

Sat 10/18

8:15 am-4:55 pm

2 stops8h 40m

Portland

Wed 10/22

5:42 am-1:53 pm

2 stops8h 11m

$259

GreensboroPortland

GSO - PWM

GSOPWM

Greensboro/H. Point

Sat 9/27

6:35 am-5:16 pm

2 stops10h 41m

Portland

Wed 10/1

6:00 am-5:39 pm

2 stops11h 39m

$269

GreensboroPortland

GSO - PWM

GSOPWM

Greensboro/H. Point

Wed 9/24

6:37 pm-12:11 am

1 stop5h 34m

Portland

Wed 10/1

6:00 am-11:18 am

1 stop5h 18m

$284

GreensboroPortland

GSO - PWM

GSOPWM

Greensboro/H. Point

Wed 9/24

6:51 pm-11:45 pm

1 stop4h 54m

Portland

Wed 10/1

1:02 pm-6:37 pm

2 stops5h 35m

$289

GreensboroPortland

GSO - PWM

GSOPWM

Greensboro/H. Point

Wed 11/19

5:20 am-1:50 pm

2 stops8h 30m

$144

GreensboroPortland

GSO - PWM

GSOPWM

Greensboro/H. Point

Fri 9/26

12:29 pm-5:38 pm

1 stop29h 09m

$174

GreensboroPortland

GSO - PWM

GSOPWM

Greensboro/H. Point

Thu 10/9

2:06 pm-8:14 pm

1 stop6h 08m

$189

GreensboroPortland

GSO - PWM

GSOPWM

Greensboro/H. Point

Wed 10/8

6:33 pm-10:48 pm

1 stop4h 15m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 13 results
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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, January is the cheapest month in which you can book a flight from Greensboro to Portland, Maine (average of $296). Flying from Greensboro to Portland, Maine in July is currently the most expensive (average of $394). 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 GSO to PWM?

Find hourly flight availability from Greensboro 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 September 14, 2025.

When flying from Greensboro to Portland, Maine, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 18% versus a flight in the morning.

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 September 14, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American 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
8.0
Very good
7,956 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

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
7,956 reviews
Delta
8.0
Very good
7,956 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

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
8,931 reviews
Delta
8.0
Very good
7,956 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

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
7,956 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

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 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, United Airlines, and Delta fly from Greensboro to Portland, Maine in about 6h 38m. The time it takes to get you to your destination can typically vary by up to 2h 10m. 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 $211. Other airlines that can offer you cheap pricing are American Airlines, from $248, and United Airlines, from $268. You may be able to fly from Greensboro to Portland, Maine for 40% 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, January is the cheapest month in which you can book a flight from Greensboro to Portland, Maine (average of $296). Flying from Greensboro to Portland, Maine in July is currently the most expensive (average of $394). 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
Brunswick
North Conway
Auburn
Conway
Lewiston

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 September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$211Average$288FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$248Average$387FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$268Average$342FlexibilityNo cancel feeOn-time69%

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