$130+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GSP
Jul 11 — Jul 181
Round-trip
1 adult, Economy
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Cheapest flights from Portland to GreenvilleExplore 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 June 11, 2026.
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 June 11, 2026.
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:02 pm
PDX
- GSP
1 stop7h 33m
United Airlines
Tue 9/154:33 pm
GSP
- PDX
1 stop7h 32m
United Airlines
Deal found 6/10![United Airlines logo]()
$249
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:30 pm
PDX
- GSP
2 stops10h 00m
Southwest
Tue 9/151:20 pm
GSP
- PDX
2 stops11h 55m
Southwest
Deal found 6/10![Southwest logo]()
$258
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Sat 8/295:18 am
PDX
- GSP
1 stop8h 20m
American Airlines
Sat 9/57:00 am
GSP
- PDX
1 stop8h 48m
American Airlines
Deal found 6/9![American Airlines logo]()
$338
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/411:20 pm
PDX
- GSP
1 stop9h 39m
Delta
Tue 9/86:45 am
GSP
- PDX
1 stop6h 48m
Delta
Deal found 6/8![Delta logo]()
$358
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Sat 8/225:00 am
PDX
- GSP
1 stop7h 15m
United Airlines
Fri 8/284:33 pm
GSP
- PDX
1 stop9h 21m
United Airlines
Deal found 6/9![United Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Wed 7/810:40 pm
PDX
- GSP
1 stop8h 15m
United Airlines
Wed 7/156:10 am
GSP
- PDX
1 stop8h 28m
United Airlines
Deal found 6/7![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Sat 11/147:11 am
PDX
- GSP
1 stop6h 49m
United Airlines
Wed 11/185:41 pm
GSP
- PDX
1 stop7h 37m
United Airlines
Deal found 6/8![United Airlines logo]()
$383
This United Airlines deal was found by Cheapflights users on 6/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:25 am
PDX
- GSP
1 stop7h 40m
United Airlines
Sat 9/52:15 pm
GSP
- PDX
2 stops9h 50m
United Airlines
Deal found 6/6![United Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 7/85:07 am
PDX
- GSP
1 stop8h 29m
American Airlines
Tue 7/148:01 pm
GSP
- PDX
1 stop7h 54m
American Airlines
Deal found 6/10![American Airlines logo]()
$387
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/410:30 pm
PDX
- GSP
1 stop7h 48m
Delta
Sat 7/113:06 pm
GSP
- PDX
1 stop9h 38m
Delta
Deal found 6/8![Delta logo]()
$392
Best flights from Portland to GreenvilleDiscover carefully curated flight deals from Portland to Greenville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 11, 2026.
Discover carefully curated flight deals from Portland to Greenville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 11, 2026.
This United Airlines deal was found by Cheapflights users on 6/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:00 am
PDX
- GSP
1 stop7h 15m
United Airlines
Sat 9/55:43 pm
GSP
- PDX
1 stop8h 07m
United Airlines
Deal found 6/6![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 6/7. 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 9/510:55 pm
PDX
- GSP
1 stop7h 33m
Delta
Wed 9/96:45 am
GSP
- PDX
1 stop9h 21m
Delta
Deal found 6/7![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/811:30 pm
PDX
- GSP
2 stops9h 45m
Southwest
Tue 7/147:00 am
GSP
- PDX
2 stops10h 40m
Southwest
Deal found 6/10![Southwest logo]()
$405
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Sat 11/147:11 am
PDX
- GSP
1 stop6h 49m
United Airlines
Wed 11/185:41 pm
GSP
- PDX
1 stop7h 37m
United Airlines
Deal found 6/8![United Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/410:30 pm
PDX
- GSP
1 stop7h 48m
Delta
Sat 7/113:06 pm
GSP
- PDX
1 stop9h 38m
Delta
Deal found 6/8![Delta logo]()
$392
This Delta deal was found by Cheapflights users on 6/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:30 am
PDX
- GSP
2 stops11h 45m
Delta
Wed 7/158:52 am
GSP
- PDX
1 stop7h 06m
Delta
Deal found 6/6![Delta logo]()
$394
This United Airlines deal was found by Cheapflights users on 6/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:25 am
PDX
- GSP
1 stop7h 40m
United Airlines
Wed 9/27:00 am
GSP
- PDX
2 stops11h 05m
United Airlines
Deal found 6/6![United Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:55 pm
PDX
- GSP
1 stop7h 33m
Delta
Fri 9/117:45 am
GSP
- PDX
1 stop8h 21m
Delta
Deal found 6/8![Delta logo]()
$423
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/45:00 am
PDX
- GSP
2 stops11h 04m
United Airlines
Sat 7/115:43 pm
GSP
- PDX
1 stop7h 47m
United Airlines
Deal found 6/10![United Airlines logo]()
$423
Last-minute flights from Portland to GreenvilleDiscover last-minute flight deals from Portland to Greenville. Data last updated June 11, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Greenville. Data last updated June 11, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/32:10 pm
PDX
- GSP
1 stop6h 49m
Delta
Sat 7/45:44 am
GSP
- PDX
1 stop7h 46m
Delta
Deal found 6/10![Delta logo]()
$405
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/410:30 pm
PDX
- GSP
1 stop7h 48m
Delta
Sat 7/113:06 pm
GSP
- PDX
1 stop9h 38m
Delta
Deal found 6/8![Delta logo]()
$392
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Sat 7/45:00 am
PDX
- GSP
2 stops11h 04m
United Airlines
Sat 7/115:43 pm
GSP
- PDX
1 stop7h 47m
United Airlines
Deal found 6/8![United Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/710:55 pm
PDX
- GSP
1 stop7h 18m
Delta
Tue 7/143:06 pm
GSP
- PDX
1 stop9h 38m
Delta
Deal found 6/10![Delta logo]()
$395
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Wed 7/810:40 pm
PDX
- GSP
1 stop8h 15m
United Airlines
Wed 7/156:10 am
GSP
- PDX
1 stop8h 28m
United Airlines
Deal found 6/7![United Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 7/85:07 am
PDX
- GSP
1 stop8h 29m
American Airlines
Tue 7/148:01 pm
GSP
- PDX
1 stop7h 54m
American Airlines
Deal found 6/10![American Airlines logo]()
$387
This Delta deal was found by Cheapflights users on 6/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:30 am
PDX
- GSP
2 stops11h 45m
Delta
Wed 7/158:52 am
GSP
- PDX
1 stop7h 06m
Delta
Deal found 6/6![Delta logo]()
$394
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/89:20 pm
PDX
- GSP
1 stop12h 55m
Southwest
Tue 7/147:00 am
GSP
- PDX
2 stops10h 40m
Southwest
Deal found 6/10![Southwest logo]()
$406
This American Airlines deal was found by Cheapflights users on 6/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:07 am
PDX
- GSP
1 stop8h 29m
American Airlines
Wed 7/158:01 pm
GSP
- PDX
1 stop7h 54m
American Airlines
Deal found 6/8![American Airlines logo]()
$418
This Southwest deal was found by Cheapflights users on 6/7. 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.
Wed 7/811:30 pm
PDX
- GSP
2 stops9h 45m
Southwest
Wed 7/1512:50 pm
GSP
- PDX
2 stops10h 05m
Southwest
Deal found 6/7![Southwest logo]()
$428
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Tue 7/2811:40 pm
PDX
- GSP
1 stop7h 15m
United Airlines
Fri 8/74:15 pm
GSP
- PDX
1 stop9h 58m
United Airlines
Deal found 6/8![United Airlines logo]()
$423
One-way flights from Portland to GreenvilleSearch for one-way flight options from Portland to Greenville. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
Search for one-way flight options from Portland to Greenville. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:45 pm
PDX
- GSP
1 stop14h 20m
Southwest
Deal found 6/8![Southwest logo]()
$130
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Sat 7/2510:40 pm
PDX
- GSP
1 stop8h 15m
United Airlines
Deal found 6/8![United Airlines logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/162:48 pm
PDX
- GSP
1 stop17h 38m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$191
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/229:20 pm
PDX
- GSP
1 stop12h 55m
Southwest
Deal found 6/9![Southwest logo]()
$195
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/711:30 pm
PDX
- GSP
1 stop7h 25m
United Airlines
Deal found 6/10![United Airlines logo]()
$198
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:25 pm
PDX
- GSP
2 stops13h 45m
Southwest
Deal found 6/8![Southwest logo]()
$201
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/410:30 pm
PDX
- GSP
1 stop7h 48m
Delta
Deal found 6/8![Delta logo]()
$203
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Sat 7/45:00 am
PDX
- GSP
2 stops11h 04m
United Airlines
Deal found 6/8![United Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/92:48 pm
PDX
- GSP
1 stop17h 38m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 6/7. 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 10/3011:35 pm
PDX
- GSP
2 stops9h 35m
Southwest
Deal found 6/7![Southwest logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/262:48 pm
PDX
- GSP
1 stop17h 38m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$219
This Delta deal was found by Cheapflights users on 6/11. 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.
Fri 10/3010:55 pm
PDX
- GSP
1 stop8h 38m
Delta
Deal found 6/11![Delta logo]()
$234
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 June 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $249 (United Airlines) |
One-way from | $130 (Southwest) |
Popular in | March |
Cheapest in | February |
Average price | $577 |
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 June 11, 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
Cheapest round-trip
PortlandGreenville
PDX - GSP
PDXGSP
Portland
Sat 8/29
5:00 am-3:15 pm
1 stop7h 15m
Greenville
Sat 9/5
5:43 pm-10:50 pm
1 stop8h 07m
$379
PortlandGreenville
PDX - GSP
PDXGSP
Portland
Sat 9/5
10:55 pm-9:28 am
1 stop7h 33m
Greenville
Wed 9/9
6:45 am-1:06 pm
1 stop9h 21m
$379
Quickest round-trip
PortlandGreenville
PDX - GSP
PDXGSP
Portland
Sat 11/14
7:11 am-5:00 pm
1 stop6h 49m
Greenville
Wed 11/18
5:41 pm-10:18 pm
1 stop7h 37m
$383
PortlandGreenville
PDX - GSP
PDXGSP
Portland
Sat 7/4
10:30 pm-9:18 am
1 stop7h 48m
Greenville
Sat 7/11
3:06 pm-9:44 pm
1 stop9h 38m
$392
PortlandGreenville
PDX - GSP
PDXGSP
Portland
Wed 7/8
5:30 am-8:15 pm
2 stops11h 45m
Greenville
Wed 7/15
8:52 am-12:58 pm
1 stop7h 06m
$394
PortlandGreenville
PDX - GSP
PDXGSP
Portland
Wed 7/8
11:30 pm-12:15 pm
2 stops9h 45m
Greenville
Tue 7/14
7:00 am-2:40 pm
2 stops10h 40m
$405
PortlandGreenville
PDX - GSP
PDXGSP
Portland
Sat 8/29
8:25 am-7:05 pm
1 stop7h 40m
Greenville
Wed 9/2
7:00 am-3:05 pm
2 stops11h 05m
$408
PortlandGreenville
PDX - GSP
PDXGSP
Portland
Sat 9/5
10:55 pm-9:28 am
1 stop7h 33m
Greenville
Fri 9/11
7:45 am-1:06 pm
1 stop8h 21m
$423
PortlandGreenville
PDX - GSP
PDXGSP
Portland
Sat 7/4
5:00 am-7:04 pm
2 stops11h 04m
Greenville
Sat 7/11
5:43 pm-10:30 pm
1 stop7h 47m
$423
Cheapest one-way
PortlandGreenville
PDX - GSP
PDXGSP
Portland
Sat 10/31
10:00 am-11:19 pm
1 stop10h 19m
$190
Showing 1-10 of 18 resultsSorted by cheapest first
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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
PDX-GSP
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
How far ahead should I book a flight from Portland to Greenville?
The best time to book flights from Portland to Greenville is 39 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Portland to Greenville?
Currently, February is the cheapest month in which you can book a flight from Portland to Greenville (average of $390). Flying from Portland to Greenville in March is currently the most expensive (average of $742). 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 Portland to Greenville?
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 June 11, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andUnited 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.
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.0
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.0
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.0
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.0
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.0
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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.
Traveling to a place near Greenville?
Book flights to Greenville if you plan to visit one of these locationsGreer
Simpsonville
Greenwood
Duncan
Seneca
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Complete your trip
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Other flights to Greenville
Explore flights to Greenville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 11, 2026.
Portland and Greenville flights
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Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on June 11, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Portland to Greenville
Discover the top 4 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 June 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$248 | Average$438 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$312 | Average$491 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$366 | Average$504 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$526 | Average$716 | FlexibilityNo cancel fee | On-time75% |