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$184+ 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
GSO — PWM
Jun 28 — Jul 51
Sat 6/28
Sat 7/5
1 adult, Economy
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Cheapflights Tip: The best prices from Greensboro/H. Point to Portland are usually found in November or September, booked 71 days in advance, depart on a Tuesday or Saturday and return on a Saturday

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 June 23, 2025.

Round-trip from

$249
(American Airlines)

One-way from

$184
(Delta)

Popular in

July

Cheapest in

November

Average price

$373
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. 11% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 23, 2025.

This Delta deal was found by Cheapflights users on 6/23. 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 9/246:05 amGSO - PWM
1 stop5h 46mDelta
Wed 10/14:55 pmPWM - GSO
1 stop6h 03mDelta
Deal found 6/23$249
This American Airlines deal was found by Cheapflights users on 6/21. 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.
Wed 7/94:12 pmGSO - PWM
1 stop6h 33mAmerican Airlines
Wed 7/165:55 amPWM - GSO
1 stop3h 51mAmerican Airlines
Deal found 6/21$254
This United Airlines deal was found by Cheapflights users on 6/23. 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 7/86:15 amGSO - PWM
2 stops7h 05mUnited Airlines
Sat 7/125:35 amPWM - GSO
1 stop4h 13mUnited Airlines
Deal found 6/23$359

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 June 23, 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

Fri 8/22

6:27 pm-10:59 pm

1 stop4h 32m

Portland

Tue 8/26

2:13 pm-6:16 pm

1 stop4h 03m

$249

GreensboroPortland

GSO - PWM

GSOPWM

Greensboro/H. Point

Wed 7/9

12:32 pm-11:29 pm

2 stops10h 57m

Portland

Wed 7/16

5:00 pm-11:58 pm

2 stops6h 58m

$264

GreensboroPortland

GSO - PWM

GSOPWM

Greensboro/H. Point

Tue 7/8

7:58 pm-11:59 pm

1 stop4h 01m

Portland

Sat 7/12

5:35 am-9:48 am

1 stop4h 13m

$329

GreensboroPortland

GSO - PWM

GSOPWM

Greensboro/H. Point

Wed 7/30

4:59 pm-12:38 am

1 stop7h 39m

$184

GreensboroPortland

GSO - PWM

GSOPWM

Greensboro/H. Point

Mon 8/4

6:10 pm-10:45 pm

1 stop4h 35m

$214

GreensboroPortland

GSO - PWM

GSOPWM

Greensboro/H. Point

Fri 7/18

6:15 am-1:19 pm

2 stops7h 04m

$390

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/21

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

How far ahead should I book a flight from Greensboro to Portland, Maine?

Use this chart to determine the optimal time to book a round-trip flight from Greensboro to Portland. Price data was last updated on June 20, 2025.

To ensure you get the cheapest price possible for a flight from Greensboro to Portland, Maine, you should look to book at least 71 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 June 23, 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.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland, Maine ranges from 2.9 - 4.5 inches per month. November is typically the wettest month, when rainfall can reach 4.5 in. August is typically the driest time to visit Portland, Maine when rainfall is around 2.9 in.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portland, Maine, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 June 23, 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. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,966 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

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
7,966 reviews
Delta
8.0
Very good
7,966 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

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
8,831 reviews
Delta
8.0
Very good
7,966 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

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
7,966 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

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.

  • 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 $249. Other airlines that can offer you cheap pricing are Delta, from $264, and United Airlines, from $329. You may be able to fly from Greensboro to Portland, Maine for 28% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Greensboro to Portland, Maine one-way?

    $184 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $214 and $390, respectively.

  • 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 Greensboro?

Book flights to Greensboro if you plan to visit one of these locations
North Conway
Brunswick
Auburn
Conway
Lewiston

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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 June 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$173Average$292FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$248Average$347FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$268Average$391FlexibilityNo cancel feeOn-time69%

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