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Cheap flights from Greenville to Portland from £137

GSP — PDX
6 Oct — 13 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Greenville to Portland

Enter your travel dates to find the best prices.

Cheapest flights from Greenville to Portland

Wed 18/1114:19 -
1 stop7h 53m
Thu 26/1105:00 -
1 stop7h 03m
Deal found 2/9£273
Tue 10/1116:29 -
1 stop7h 44m
Wed 18/1105:00 -
2 stops8h 56m
Deal found 3/9£277
Tue 15/1207:05 -
2 stops9h 05m
Tue 5/106:00 -
2 stops10h 50m
Deal found 1/9£280
Wed 18/1105:40 -
1 stop8h 01m
Fri 27/1106:45 -
1 stop8h 29m
Deal found 2/9£281
Sat 21/1116:29 -
1 stop9h 40m
Sat 5/1205:00 -
1 stop7h 18m
Deal found 4/9£288
Wed 21/1007:00 -
2 stops11h 20m
Fri 30/1023:35 -
2 stops10h 45m
Deal found 2/9£288
Tue 20/1006:20 -
1 stop8h 13m
Thu 29/1023:30 -
1 stop7h 00m
Deal found 2/9£294
Sat 12/1212:50 -
2 stops11h 35m
Tue 5/106:00 -
2 stops10h 50m
Deal found 4/9£295
Mon 19/1005:40 -
1 stop8h 02m
Wed 28/1006:50 -
1 stop8h 19m
Deal found 2/9£306
Wed 11/1106:20 -
2 stops11h 14m
Sun 15/1123:30 -
1 stop7h 00m
Deal found 2/9£317

Find flight deals from Greenville to Portland

Round-trip from

£273

One-way from

£137

Popular in

November

Cheapest in

September

Average price

£305
United Airlines
  • United Airlines
  • 15/12-5/1
  • 2 total stops
  • 17h 09m total
  • Greenville to Portland
Search Deals
Delta
  • Delta
  • 3/10-31/12
  • 1 total stop
  • 7h 59m total
  • Greenville to Portland
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£49 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Greenville to Portland that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

GreenvillePortland

GSP Greenville - PDX Portland

GSPPDX

Greenville

Sat 3/10

14:00-18:59

1 stop7h 59m

Portland

Wed 31/12

00:00-03:00

Nonstop0h 00m

£137
Fastest return journey

GreenvillePortland

GSP Greenville - PDX Portland

GSPPDX

Greenville

Wed 14/10

17:46-22:23

1 stop7h 37m

Portland

Wed 31/12

00:00-03:00

Nonstop0h 00m

£137

GreenvillePortland

GSP Greenville - PDX Portland

GSPPDX

Greenville

Wed 11/11

14:50-23:20

2 stops11h 30m

Portland

Wed 31/12

00:00-03:00

Nonstop0h 00m

£141

GreenvillePortland

GSP Greenville - PDX Portland

GSPPDX

Greenville

Fri 19/2

15:42-22:26

1 stop9h 44m

Portland

Wed 31/12

00:00-03:00

Nonstop0h 00m

£145

GreenvillePortland

GSP Greenville - PDX Portland

GSPPDX

Greenville

Tue 6/10

07:00-13:50

2 stops9h 50m

Portland

Wed 31/12

00:00-03:00

Nonstop0h 00m

£148

GreenvillePortland

GSP Greenville - PDX Portland

GSPPDX

Greenville

Fri 19/2

06:15-13:55

2 stops10h 40m

Portland

Wed 31/12

00:00-03:00

Nonstop0h 00m

£149

GreenvillePortland

GSP Greenville - PDX Portland

GSPPDX

Greenville

Wed 14/10

13:25-22:15

2 stops11h 50m

Portland

Wed 31/12

00:00-03:00

Nonstop0h 00m

£165

GreenvillePortland

GSP Greenville - PDX Portland

GSPPDX

Greenville

Thu 15/10

16:25-22:53

1 stop9h 28m

Portland

Wed 31/12

00:00-03:00

Nonstop0h 00m

£170

GreenvillePortland

GSP Greenville - PDX Portland

GSPPDX

Greenville

Fri 2/10

16:25-21:10

1 stop7h 45m

Portland

Wed 31/12

00:00-03:00

Nonstop0h 00m

£186

GreenvillePortland

GSP Greenville - PDX Portland

GSPPDX

Greenville

Sat 10/10

14:51-22:23

2 stops10h 32m

Portland

Wed 31/12

00:00-03:00

Nonstop0h 00m

£196

Flights are sorted by cheapest return flights first.

Deals found on 3/9

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Greenville to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Greenville with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Greenville to Portland

How far ahead should I book a flight from Greenville to Portland?

The price you pay for your flight from Greenville to Portland may vary depending on when you book. For the best chance of a lower fare, look to book 61 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Greenville to Portland?

Currently, September is the cheapest month in which you can book a flight from Greenville to Portland (average of £305). Flying from Greenville to Portland in November is currently the most expensive (average of £433). 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 for a return flight from Greenville to Portland?

Airfare is below average for this route at the moment.

Greenville to Portland flights typically cost between £296 and £362 in November.
The cheapest return price found within the last 5 days was £273 on United Airlines (18 Nov–26 Nov).

Related info for your journey

  • How long is the flight from Greenville to Portland?

    For as low as £281, Delta can have you in Portland from Greenville in 8h 01m. There are 2225 mi between Greenville and Portland. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Greenville 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 Greenville to Portland?

    Currently, September is the cheapest month in which you can book a flight from Greenville to Portland (average of £305). Flying from Greenville to Portland in November is currently the most expensive (average of £433). 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

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Cheapflights makes it easy to find Greenville to Portland flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Greenville to Portland?

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Yes! Cheapflights helps users easily find flights from Greenville to Portland with no change fees.

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Of course! You can now track prices for flights from Greenville to Portland and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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