HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portland

$182+ Cheap flights from Greenville to Portland (GSP - PDX)

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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — PDX
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Greenville to Portland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Greenville to Portland

Cheapest flights from Greenville to Portland
Explore the most affordable flight options available from Greenville to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This Delta deal was found by Cheapflights users on 7/23. 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.
Sat 8/155:20 pm
GSP
-
PDX
1 stop7h 24m
Delta
Sat 8/2210:55 pm
PDX
-
GSP
1 stop7h 23m
Delta
Deal found 7/23$363
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:00 am
GSP
-
PDX
2 stops9h 50m
Southwest
Mon 8/3110:45 pm
PDX
-
GSP
1 stop8h 30m
Southwest
Deal found 7/23$368
This Delta deal was found by Cheapflights users on 7/27. 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 8/255:46 am
GSP
-
PDX
1 stop7h 41m
Delta
Tue 9/16:45 am
PDX
-
GSP
1 stop9h 00m
Delta
Deal found 7/27$369
This American Airlines deal was found by Cheapflights users on 7/24. 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 10/304:10 pm
GSP
-
PDX
1 stop7h 34m
American Airlines
Mon 11/211:57 am
PDX
-
GSP
1 stop7h 01m
American Airlines
Deal found 7/24$371
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:05 pm
GSP
-
PDX
2 stops10h 40m
Southwest
Mon 11/211:30 pm
PDX
-
GSP
2 stops11h 40m
Southwest
Deal found 7/24$381
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Sat 8/152:28 pm
GSP
-
PDX
1 stop7h 25m
United Airlines
Sat 8/228:17 am
PDX
-
GSP
1 stop9h 50m
United Airlines
Deal found 7/23$389
This Delta deal was found by Cheapflights users on 7/26. 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 8/255:46 am
GSP
-
PDX
1 stop7h 41m
Delta
Fri 8/2811:45 am
PDX
-
GSP
1 stop8h 14m
Delta
Deal found 7/26$402
This United Airlines deal was found by Cheapflights users on 7/27. 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 8/252:18 pm
GSP
-
PDX
1 stop7h 35m
United Airlines
Mon 8/3111:17 pm
PDX
-
GSP
1 stop8h 20m
United Airlines
Deal found 7/27$403
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:45 am
GSP
-
PDX
2 stops10h 15m
Southwest
Sat 8/2210:45 pm
PDX
-
GSP
1 stop8h 25m
Southwest
Deal found 7/23$406

Find flight deals from Greenville to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Greenville (GSP) to Portland (PDX). 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 July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$363
(Delta)

One-way from

$182
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$433
Provider with most accurate pricing for Greenville-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greenville-Portland flights.
Search Deals
From Greenville to Portland
Search Deals
One-way flight from Greenville to Portland
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Greenville 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 July 27, 2026.
Use the filters below to find and compare flights from Greenville to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

GreenvillePortland

GSP - PDX

GSPPDX

Greenville

Sat 8/15

5:20 pm-9:44 pm

1 stop7h 24m

Portland

Sat 8/22

10:55 pm-9:18 am

1 stop7h 23m

$363

GreenvillePortland

GSP - PDX

GSPPDX

Greenville

Wed 8/19

6:30 am-11:28 am

1 stop7h 58m

Portland

Wed 8/26

8:25 am-7:05 pm

1 stop7h 40m

$369

GreenvillePortland

GSP - PDX

GSPPDX

Greenville

Tue 8/25

7:00 am-3:00 pm

2 stops11h 00m

Portland

Mon 8/31

11:30 pm-12:25 pm

2 stops9h 55m

$379

GreenvillePortland

GSP - PDX

GSPPDX

Greenville

Fri 10/30

1:05 pm-8:45 pm

2 stops10h 40m

Portland

Mon 11/2

11:30 pm-2:10 pm

2 stops11h 40m

$381

GreenvillePortland

GSP - PDX

GSPPDX

Greenville

Tue 8/25

2:18 pm-6:53 pm

1 stop7h 35m

Portland

Mon 8/31

11:17 pm-10:37 am

1 stop8h 20m

$403

GreenvillePortland

GSP - PDX

GSPPDX

Greenville

Thu 8/20

4:33 pm-12:30 am

2 stops10h 57m

Portland

Thu 8/27

5:00 am-2:48 pm

1 stop6h 48m

$406

GreenvillePortland

GSP - PDX

GSPPDX

Greenville

Sat 8/15

11:05 am-6:25 pm

2 stops10h 20m

Portland

Sat 8/22

11:30 pm-12:40 pm

2 stops10h 10m

$412

GreenvillePortland

GSP - PDX

GSPPDX

Greenville

Fri 10/23

5:46 pm-10:23 pm

1 stop7h 37m

Portland

Mon 10/26

7:26 pm-9:51 am

2 stops11h 25m

$428

GreenvillePortland

GSP - PDX

GSPPDX

Greenville

Fri 10/23

1:05 pm-8:45 pm

2 stops10h 40m

Portland

Mon 10/26

7:40 am-8:00 pm

2 stops9h 20m

$433

GreenvillePortland

GSP - PDX

GSPPDX

Greenville

Mon 8/17

1:05 pm-9:15 pm

2 stops11h 10m

Portland

Thu 8/20

10:45 pm-4:05 pm

1 stop14h 20m

$435

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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

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

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

Currently, October is the cheapest month in which you can book a flight from Greenville to Portland (average of $376). Flying from Greenville to Portland in December is currently the most expensive (average of $558). 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 Greenville to Portland?

Airfare is below average for this route at the moment.

Greenville to Portland flights typically cost between $378 and $577 in August.
The cheapest round-trip price found within the last 5 days was $363 on Delta (Aug 15-Aug 22).

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 July 27, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Greenville to Portland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,482 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.8

Overall

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,482 reviews
Delta
7.8
Good
8,482 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.8

Overall

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,041 reviews
Delta
7.8
Good
8,482 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.8

Overall

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,836 reviews
Delta
7.8
Good
8,482 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.8

Overall

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Greenville 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 Greenville to Portland?

    Airlines like Delta, United Airlines, and Southwest fly from Greenville to Portland in about 7h 24m. The time it takes to get you to your destination can typically vary by up to 3h 36m. Greenville and Portland are separated by a distance of 2225 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Greenville to Portland round-trip?

    Cheapflights users have booked flights from Greenville to Portland round-trip from $213. Other airlines that can offer you cheap pricing are United Airlines, from $217, and American Airlines, from $336. Delta is priced at 53% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Greenville to Portland one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $134. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Greenville to Portland for a low price.

  • 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 vacation 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, October is the cheapest month in which you can book a flight from Greenville to Portland (average of $376). Flying from Greenville to Portland in December is currently the most expensive (average of $558). 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
Beaverton
Seaside
Lincoln City
Vancouver
Longview
Lake Oswego
Hillsboro
Kelso
Clackamas
Troutdale
Cannon Beach
Long Beach
McMinnville
The Dalles
Wilsonville
Depoe Bay
Stevenson
Tillamook
Astoria
Gresham

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Greenville to Portland

Discover the top 3 airlines that operate flights from Greenville 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 July 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$213Average$412FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$217Average$446FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$336Average$434FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights