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$150+ Cheap flights from Portland to Greenville (PDX - GSP)

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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GSP
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
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Cheap flight deals from Portland to Greenville

Cheapest flights from Portland to Greenville
Explore the most affordable flight options available from Portland to Greenville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.

This United Airlines deal was found by Cheapflights users on 3/9. 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 6/210:52 pm
PDX
-
GSP
1 stop8h 45m
United Airlines
Wed 6/35:41 pm
GSP
-
PDX
1 stop9h 12m
United Airlines
Deal found 3/9$362
This American Airlines deal was found by Cheapflights users on 3/10. 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 4/1411:23 pm
PDX
-
GSP
1 stop7h 56m
American Airlines
Tue 4/217:00 am
GSP
-
PDX
1 stop8h 58m
American Airlines
Deal found 3/10$367
This Southwest deal was found by Cheapflights users on 3/6. 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 4/1411:55 pm
PDX
-
GSP
2 stops10h 15m
Southwest
Tue 4/215:05 pm
GSP
-
PDX
2 stops9h 05m
Southwest
Deal found 3/6$377
This United Airlines deal was found by Cheapflights users on 3/5. 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 5/211:55 pm
PDX
-
GSP
1 stop6h 52m
United Airlines
Sat 5/96:36 am
GSP
-
PDX
2 stops11h 21m
United Airlines
Deal found 3/5$382
This Delta deal was found by Cheapflights users on 3/9. 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 4/17:17 pm
PDX
-
GSP
2 stops11h 09m
Delta
Wed 4/85:40 am
GSP
-
PDX
2 stops10h 08m
Delta
Deal found 3/9$387
This American Airlines deal was found by Cheapflights users on 3/6. 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 4/1011:40 pm
PDX
-
GSP
1 stop9h 04m
American Airlines
Wed 4/155:12 pm
GSP
-
PDX
1 stop8h 37m
American Airlines
Deal found 3/6$392
This American Airlines deal was found by Cheapflights users on 3/10. 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 5/112:59 am
PDX
-
GSP
1 stop7h 45m
American Airlines
Sat 5/96:31 am
GSP
-
PDX
1 stop9h 27m
American Airlines
Deal found 3/10$393
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Thu 9/311:15 pm
PDX
-
GSP
1 stop7h 28m
United Airlines
Mon 9/76:30 am
GSP
-
PDX
1 stop8h 05m
United Airlines
Deal found 3/8$394
This Southwest deal was found by Cheapflights users on 3/6. 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 5/26:00 am
PDX
-
GSP
2 stops11h 40m
Southwest
Sat 5/96:25 am
GSP
-
PDX
2 stops11h 30m
Southwest
Deal found 3/6$397
This American Airlines deal was found by Cheapflights users on 3/9. 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 4/111:59 pm
PDX
-
GSP
2 stops10h 44m
American Airlines
Sun 4/56:01 am
GSP
-
PDX
2 stops11h 02m
American Airlines
Deal found 3/9$402

Find flight deals from Portland to Greenville

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Greenville (GSP). 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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$362
(United Airlines)

One-way from

$150
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$666
Provider with most accurate pricing for Portland-Greenville flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Greenville flights.
Search Deals
From Portland to Greenville
Search Deals
One-way flight from Portland to Greenville
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Greenville 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 March 10, 2026.
Use the filters below to find and compare flights from Portland to Greenville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Wed 4/8

11:59 pm-9:46 am

1 stop6h 47m

Greenville

Wed 4/15

5:41 pm-10:34 pm

1 stop7h 53m

$367

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Tue 6/2

11:30 pm-9:55 am

1 stop7h 25m

Greenville

Wed 6/3

5:41 pm-10:30 pm

1 stop7h 49m

$372

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Tue 6/2

11:55 pm-1:10 pm

2 stops10h 15m

Greenville

Wed 6/3

5:05 pm-11:10 pm

2 stops9h 05m

$377

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Sat 4/4

9:44 pm-8:38 am

1 stop7h 54m

Greenville

Thu 4/9

5:12 pm-11:54 pm

1 stop9h 42m

$377

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Sat 5/2

10:45 am-10:58 pm

1 stop9h 13m

Greenville

Sat 5/9

7:00 am-12:43 pm

1 stop8h 43m

$377

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Wed 4/29

11:59 pm-9:47 am

1 stop6h 48m

Greenville

Sat 5/9

7:00 am-12:43 pm

1 stop8h 43m

$377

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Wed 4/1

7:17 pm-9:26 am

2 stops11h 09m

Greenville

Wed 4/8

5:40 am-10:30 am

1 stop7h 50m

$382

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Wed 8/5

5:50 am-8:55 pm

2 stops12h 05m

Greenville

Mon 8/10

8:40 am-3:00 pm

1 stop9h 20m

$382

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Wed 8/5

7:14 pm-10:28 am

2 stops12h 14m

Greenville

Mon 8/10

3:42 pm-11:41 pm

2 stops10h 59m

$387

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Sat 5/2

6:00 am-8:40 pm

2 stops11h 40m

Greenville

Sat 5/9

6:25 am-2:55 pm

2 stops11h 30m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Portland to Greenville

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 Portland to Greenville in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 Portland-Greenville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Greenville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Greenville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Greenville 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 Portland-Greenville 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 Portland to Greenville

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

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

Currently, August is the cheapest month in which you can book a flight from Portland to Greenville (average of $183). Flying from Portland to Greenville in December is currently the most expensive (average of $363). 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.

Reviews of airlines servicing Greenville

Get insights into the airlines that provide service to Greenville. 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 Greenville. Reviews last updated March 10, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Portland to Greenville by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,276 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,276 reviews
Delta
7.9
Good
8,276 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,409 reviews
Delta
7.9
Good
8,276 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,413 reviews
Delta
7.9
Good
8,276 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

    A quick flight from Portland to Greenville can take about 6h 47m. United Airlines provides one of the quickest options available for as low as $367. Airlines will cover 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 Portland to Greenville round-trip?

    Flying on Delta is currently your cheapest option to Greenville, with prices starting at $228. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $266 and $350, respectively. Delta is priced at 55% lower than the current average price of a flight leaving 3 months from now.

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

    One-way options have recently been found by users for as low as $156 on American Airlines. Other airlines that offer cheap prices include Delta from $166 and United Airlines from $179 one-way.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Portland to Greenville (average of $183). Flying from Portland to Greenville in December is currently the most expensive (average of $363). 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 Greenville?

Book flights to Greenville if you plan to visit one of these locations
Simpsonville
Duncan
Greer
Seneca
Anderson

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Portland to Greenville

Discover the top 3 airlines that operate flights from Portland to Greenville. 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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$228Average$438FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$266Average$476FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$350Average$499FlexibilityNo cancel feeOn-time71%

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