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Cheap flights from Greenville to Portland from $157

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Greenville to Portland departing on 12/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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American Airlines Logo
5:40 pm - 10:07 pmGSP-PWM
4h 27m1 stop
American Airlines Logo
5:20 am - 10:30 amPWM-GSP
5h 10m1 stop
$281American Airlines
Find Deal
Sat, Jan 17 - Tue, Jan 20
American Airlines Logo
10:32 am - 4:38 pmGSP-PWM
6h 06m2 stops
American Airlines Logo
12:35 pm - 5:56 pmPWM-GSP
5h 21m1 stop
$286American Airlines
Find Deal
Sat, Jan 17 - Tue, Jan 20
American Airlines Logo
10:43 am - 4:39 pmGSP-PWM
5h 56m1 stop
American Airlines Logo
5:20 pm - 10:35 pmPWM-GSP
5h 15m1 stop
$287American Airlines
Find Deal
Wed, Dec 24 - Mon, Jan 5
United Airlines Logo
10:00 am - 2:19 pmGSP-PWM
4h 19m1 stop
United Airlines Logo
6:00 am - 11:31 amPWM-GSP
5h 31m1 stop
$362United Airlines
Find Deal
Wed, Nov 19 - Thu, Nov 20
United Airlines Logo
10:00 am - 2:19 pmGSP-PWM
4h 19m1 stop
United Airlines Logo
6:00 am - 4:53 pmPWM-GSP
10h 53m2 stops
$367United Airlines
Find Deal
Wed, Nov 19 - Thu, Nov 20
Delta Logo
6:45 am - 4:00 pmGSP-PWM
9h 15m2 stops
Delta Logo
2:30 pm - 11:45 pmPWM-GSP
9h 15m2 stops
$372Delta
Find Deal
Wed, Nov 19 - Thu, Nov 20
Southwest Logo
10:35 am - 10:15 pmGSP-PWM
11h 40m2 stops
Southwest Logo
5:30 am - 4:05 pmPWM-GSP
10h 35m2 stops
$378Southwest
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Wed, Nov 19 - Thu, Nov 20
Delta Logo
6:05 pm - 11:05 pmGSP-PWM
5h 00m1 stop
Delta Logo
4:50 pm - 10:05 pmPWM-GSP
5h 15m1 stop
$387Delta
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Tue, Mar 24 - Wed, Mar 25
Multiple Airlines Logo
10:33 am - 2:30 pmGSP-PWM
3h 57m1 stop
Multiple Airlines Logo
3:15 pm - 9:20 pmPWM-GSP
30h 05m2 stops
$517Multiple Airlines
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Thu, Nov 27 - Sun, Nov 30
Southwest Logo
8:20 pm - 12:05 amGSP-PWM
3h 45m1 stop
Southwest Logo
5:30 am - 10:05 amPWM-GSP
4h 35m1 stop
$542Southwest
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Tue, Dec 23 - Sun, Dec 28

American Airlines flights from Greenville to Portland, Maine

Our best American Airlines deals on Greenville to Portland, Maine flight tickets
American Airlines
Jan 17
GSP5:40 pmGreenville
4h 27m
1 stop
PWM10:07 pmPortland
Jan 20
PWM5:20 amPortland
5h 10m
1 stop
GSP10:30 amGreenville
$281
Find similar
American Airlines
Jan 17
GSP10:32 amGreenville
6h 06m
2 stops
PWM4:38 pmPortland
Jan 20
PWM12:35 pmPortland
5h 21m
1 stop
GSP5:56 pmGreenville
$286
Find similar
American Airlines
Dec 24
GSP10:43 amGreenville
5h 56m
1 stop
PWM4:39 pmPortland
Jan 5
PWM5:20 pmPortland
5h 15m
1 stop
GSP10:35 pmGreenville
$287
Find similar

United Airlines flights from Greenville to Portland, Maine

Our best United Airlines deals on Greenville to Portland, Maine flight tickets
United Airlines
Nov 19
GSP10:00 amGreenville
4h 19m
1 stop
PWM2:19 pmPortland
Nov 20
PWM6:00 amPortland
5h 31m
1 stop
GSP11:31 amGreenville
$362
Find similar
United Airlines
Nov 19
GSP10:00 amGreenville
4h 19m
1 stop
PWM2:19 pmPortland
Nov 20
PWM6:00 amPortland
10h 53m
2 stops
GSP4:53 pmGreenville
$367
Find similar
United Airlines
Nov 22
GSP10:00 amGreenville
13h 59m
1 stop
PWM11:59 pmPortland
Nov 25
PWM6:00 amPortland
5h 31m
1 stop
GSP11:31 amGreenville
$516
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Greenville to Portland, Maine 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, momondo users made 832,500 searches. Data last updated October 29, 2025.
Use the filters below to find and compare flights from Greenville to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

GreenvillePortland

GSP - PWM

GSPPWM

Greenville

Sat 1/17

5:40 pm-10:07 pm

1 stop4h 27m

Portland

Tue 1/20

5:20 am-10:30 am

1 stop5h 10m

$281

GreenvillePortland

GSP - PWM

GSPPWM

Greenville

Sat 1/17

10:32 am-4:38 pm

2 stops6h 06m

Portland

Tue 1/20

12:35 pm-5:56 pm

1 stop5h 21m

$286

GreenvillePortland

GSP - PWM

GSPPWM

Greenville

Wed 12/24

10:43 am-4:39 pm

1 stop5h 56m

Portland

Mon 1/5

5:20 pm-10:35 pm

1 stop5h 15m

$287

GreenvillePortland

GSP - PWM

GSPPWM

Greenville

Wed 11/19

10:00 am-2:19 pm

1 stop4h 19m

Portland

Thu 11/20

6:00 am-11:31 am

1 stop5h 31m

$362

GreenvillePortland

GSP - PWM

GSPPWM

Greenville

Wed 11/19

10:00 am-2:19 pm

1 stop4h 19m

Portland

Thu 11/20

6:00 am-4:53 pm

2 stops10h 53m

$367

GreenvillePortland

GSP - PWM

GSPPWM

Greenville

Wed 11/19

6:45 am-4:00 pm

2 stops9h 15m

Portland

Thu 11/20

2:30 pm-11:45 pm

2 stops9h 15m

$372

GreenvillePortland

GSP - PWM

GSPPWM

Greenville

Wed 11/19

10:35 am-10:15 pm

2 stops11h 40m

Portland

Thu 11/20

5:30 am-4:05 pm

2 stops10h 35m

$378

GreenvillePortland

GSP - PWM

GSPPWM

Greenville

Tue 3/24

6:05 pm-11:05 pm

1 stop5h 00m

Portland

Wed 3/25

4:50 pm-10:05 pm

1 stop5h 15m

$387

GreenvillePortland

GSP - PWM

GSPPWM

Greenville

Thu 11/27

10:33 am-2:30 pm

1 stop3h 57m

Portland

Sun 11/30

3:15 pm-9:20 pm

2 stops30h 05m

$517

GreenvillePortland

GSP - PWM

GSPPWM

Greenville

Tue 12/23

8:20 pm-12:05 am

1 stop3h 45m

Portland

Sun 12/28

5:30 am-10:05 am

1 stop4h 35m

$542

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Portland from

How to get the cheapest flight ticket from Greenville to Portland, Maine

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Portland, Maine?

The cheapest month to fly to Portland, Maine from Greenville is in September. Flight prices, which tend to average around $299, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $313.

What is the cheapest day to depart on your flight to Portland, Maine?

On average, the least expensive day to fly to Portland, Maine from Greenville is on a Saturday. momondo users have found tickets for Saturday departures for as low as $342. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Wednesday is the most expensive day to depart from Greenville because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $431.

What is the cheapest time of day to depart on your flight to Portland, Maine?

At noon is the cheapest time of day to fly from Greenville to Portland, Maine when you can find flight prices for as low as $292. Flying to Portland, Maine at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $412. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Portland, Maine?

You are more likely to see cheaper flights to Portland, Maine from Greenville when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland, Maine for around $390 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland, Maine from Greenville for as low as $203 on momondo.

How have Greenville to Portland, Maine flight prices changed over time?

When to book flights from Greenville to Portland, Maine

Are you open to changing your travel dates? Check out the ideal times to fly from Greenville to Portland, Maine according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Greenville to Portland, Maine (GSP to PWM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Greenville to Portland, Maine

Direct flights

None
There are no direct flights from Greenville to Portland, Maine. There are no popular flight routes from Greenville to Portland, Maine.
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  • How far is Greenville to Portland by plane?

    Portland is 887.7 mi away from Greenville. Flights usually cover this in 3h 45m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Greenville Airport to Portland Airport?

    Prices for flights from Greenville Airport to Portland Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Greenville Airport to Portland Airport?

  • How old do you have to be to fly from Greenville Airport to Portland Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Greenville Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Greenville to Portland, Maine?

Best airlines flying from Greenville to Portland, Maine

Compare and see reviews for airlines that fly from Greenville to Portland, Maine with momondo
Airline
Rating
Free Cancellation
Price
Breeze AirwaysPriceFrom $98Free CancellationRating
8.1
221 reviews
Search Breeze Airways flights
DeltaPriceFrom $270Free CancellationRating
7.9
7,994 reviews
Search Delta flights
American AirlinesPriceFrom $270Free CancellationRating
7.2
11,032 reviews
Search American Airlines flights
SouthwestPriceFrom $279Free CancellationRating
8.0
4,240 reviews
Search Southwest flights
United AirlinesPriceFrom $280Free CancellationRating
7.4
9,001 reviews
Search United Airlines flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Boothbay Harbor
Jackson
Conway
Freeport
Lewiston
Brunswick
Bartlett
Auburn
Gorham
Intervale
Windham
Oxford
Bath
Georgetown
Falmouth
Tamworth

Why use momondo?

Why should I use momondo to find a flight deal from Greenville to Portland?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Greenville to Portland. momondo saves you time and could save you money on your trip.

Can I find flights from Greenville to Portland with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Greenville to Portland flights to just show those with flexible booking policies.

How can momondo help me find flights from Greenville to Portland?

momondo provides multiple filters to help you find the best flight to Portland from Greenville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Greenville to Portland right now. Can momondo alert me if prices change?

Price alerts on flights to Portland from Greenville are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Portland, Maine trip

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