$184+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — PDX
Apr 11 — Apr 181
Round-trip
1 adult, Economy
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Find cheap flights from Greenville to Portland with Cheapflights
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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
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Cheapest flights from Greenville to PortlandExplore 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 March 12, 2026.
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 March 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 5/72:18 pm
GSP
- PDX
2 stops48h 24m
Multiple Airlines
Thu 5/149:53 am
PDX
- GSP
1 stop31h 47m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$361
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/124:35 pm
GSP
- PDX
1 stop7h 34m
United Airlines
Tue 5/1911:55 pm
PDX
- GSP
1 stop6h 52m
United Airlines
Deal found 3/10![United Airlines logo]()
$367
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 5/275:25 pm
GSP
- PDX
1 stop10h 25m
American Airlines
Mon 6/110:40 pm
PDX
- GSP
1 stop9h 10m
American Airlines
Deal found 3/9![American Airlines logo]()
$372
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.
Wed 4/85:12 pm
GSP
- PDX
1 stop8h 37m
American Airlines
Sat 4/1811:56 am
PDX
- GSP
1 stop7h 44m
American Airlines
Deal found 3/10![American Airlines logo]()
$373
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.
Sun 8/235:45 am
GSP
- PDX
1 stop7h 52m
Delta
Fri 8/2810:55 pm
PDX
- GSP
1 stop8h 33m
Delta
Deal found 3/9![Delta logo]()
$377
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:05 pm
GSP
- PDX
2 stops9h 05m
Southwest
Tue 6/99:20 pm
PDX
- GSP
1 stop12h 50m
Southwest
Deal found 3/10![Southwest logo]()
$378
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 4/85:40 am
GSP
- PDX
2 stops10h 08m
Delta
Sat 4/1810:55 pm
PDX
- GSP
1 stop7h 14m
Delta
Deal found 3/9![Delta logo]()
$382
This American Airlines deal was found by Cheapflights users on 3/12. 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.
Thu 4/235:12 pm
GSP
- PDX
1 stop8h 37m
American Airlines
Mon 4/2711:40 pm
PDX
- GSP
2 stops10h 34m
American Airlines
Deal found 3/12![American Airlines logo]()
$384
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:30 am
GSP
- PDX
1 stop8h 16m
United Airlines
Sat 4/188:40 am
PDX
- GSP
2 stops10h 19m
United Airlines
Deal found 3/10![United Airlines logo]()
$387
This American Airlines deal was found by Cheapflights users on 3/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/175:12 pm
GSP
- PDX
1 stop8h 37m
American Airlines
Mon 4/2010:23 pm
PDX
- GSP
1 stop10h 06m
American Airlines
Deal found 3/11![American Airlines logo]()
$388
Best flights from Greenville to PortlandDiscover carefully curated flight deals from Greenville to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 12, 2026.
Discover carefully curated flight deals from Greenville to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 12, 2026.
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 4/234:10 pm
GSP
- PDX
1 stop9h 44m
United Airlines
Mon 4/2711:15 pm
PDX
- GSP
1 stop8h 59m
United Airlines
Deal found 3/8![United Airlines logo]()
$377
This American Airlines deal was found by Cheapflights users on 3/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/85:12 pm
GSP
- PDX
1 stop8h 37m
American Airlines
Fri 4/1712:59 am
PDX
- GSP
1 stop7h 45m
American Airlines
Deal found 3/11![American Airlines logo]()
$379
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:25 pm
GSP
- PDX
2 stops8h 45m
Southwest
Mon 4/2711:55 pm
PDX
- GSP
2 stops10h 15m
Southwest
Deal found 3/8![Southwest logo]()
$387
This Delta deal was found by Cheapflights users on 3/11. 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.
Wed 4/88:30 am
GSP
- PDX
2 stops14h 55m
Delta
Sat 4/186:28 am
PDX
- GSP
1 stop7h 13m
Delta
Deal found 3/11![Delta logo]()
$387
This United Airlines deal was found by Cheapflights users on 3/7. 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.
Sat 8/224:15 pm
GSP
- PDX
1 stop9h 37m
United Airlines
Sat 8/2910:50 pm
PDX
- GSP
1 stop8h 54m
United Airlines
Deal found 3/7![United Airlines logo]()
$377
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/233:42 pm
GSP
- PDX
2 stops10h 59m
Delta
Fri 8/287:40 pm
PDX
- GSP
2 stops11h 48m
Delta
Deal found 3/8![Delta logo]()
$387
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/85:05 pm
GSP
- PDX
2 stops9h 05m
Southwest
Sat 4/186:00 am
PDX
- GSP
2 stops11h 40m
Southwest
Deal found 3/10![Southwest logo]()
$392
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.
Wed 4/85:41 pm
GSP
- PDX
1 stop7h 53m
United Airlines
Wed 4/1511:59 pm
PDX
- GSP
1 stop6h 47m
United Airlines
Deal found 3/9![United Airlines logo]()
$377
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:55 pm
GSP
- PDX
2 stops11h 05m
Southwest
Wed 5/205:40 am
PDX
- GSP
2 stops11h 20m
Southwest
Deal found 3/10![Southwest logo]()
$392
This United Airlines deal was found by Cheapflights users on 3/12. 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 7/45:41 pm
GSP
- PDX
1 stop9h 12m
United Airlines
Sat 8/811:40 pm
PDX
- GSP
1 stop7h 34m
United Airlines
Deal found 3/12![United Airlines logo]()
$397
Last-minute flights from Greenville to PortlandDiscover last-minute flight deals from Greenville to Portland. Data last updated March 12, 2026 and is based on user searches.
Discover last-minute flight deals from Greenville to Portland. Data last updated March 12, 2026 and is based on user searches.
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 4/87:00 am
GSP
- PDX
1 stop8h 58m
American Airlines
Sat 4/1810:23 pm
PDX
- GSP
1 stop8h 56m
American Airlines
Deal found 3/9![American Airlines logo]()
$372
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.
Wed 4/85:41 pm
GSP
- PDX
1 stop7h 53m
United Airlines
Wed 4/1511:59 pm
PDX
- GSP
1 stop6h 47m
United Airlines
Deal found 3/9![United Airlines logo]()
$377
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 4/85:40 am
GSP
- PDX
2 stops10h 08m
Delta
Sat 4/1810:55 pm
PDX
- GSP
1 stop7h 14m
Delta
Deal found 3/9![Delta logo]()
$382
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:30 am
GSP
- PDX
1 stop8h 16m
United Airlines
Sat 4/188:40 am
PDX
- GSP
2 stops10h 19m
United Airlines
Deal found 3/10![United Airlines logo]()
$387
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/85:05 pm
GSP
- PDX
2 stops9h 05m
Southwest
Sat 4/186:00 am
PDX
- GSP
2 stops11h 40m
Southwest
Deal found 3/10![Southwest logo]()
$392
This Southwest deal was found by Cheapflights users on 3/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:25 pm
GSP
- PDX
2 stops8h 45m
Southwest
Wed 4/158:50 am
PDX
- GSP
2 stops9h 50m
Southwest
Deal found 3/11![Southwest logo]()
$389
This American Airlines deal was found by Cheapflights users on 3/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/175:12 pm
GSP
- PDX
1 stop8h 37m
American Airlines
Mon 4/2010:23 pm
PDX
- GSP
1 stop10h 06m
American Airlines
Deal found 3/11![American Airlines logo]()
$388
This Southwest deal was found by Cheapflights users on 3/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:25 pm
GSP
- PDX
2 stops8h 45m
Southwest
Mon 4/2011:55 pm
PDX
- GSP
2 stops10h 15m
Southwest
Deal found 3/11![Southwest logo]()
$398
This American Airlines deal was found by Cheapflights users on 3/12. 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.
Thu 4/235:12 pm
GSP
- PDX
1 stop8h 37m
American Airlines
Mon 4/2711:40 pm
PDX
- GSP
2 stops10h 34m
American Airlines
Deal found 3/12![American Airlines logo]()
$384
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.
Thu 4/235:12 pm
GSP
- PDX
1 stop9h 42m
American Airlines
Sun 4/2611:47 pm
PDX
- GSP
1 stop8h 14m
American Airlines
Deal found 3/9![American Airlines logo]()
$397
One-way flights from Greenville to PortlandSearch for one-way flight options from Greenville to Portland. Find affordable one-way fares based on user searches. Data last updated March 12, 2026.
Search for one-way flight options from Greenville to Portland. Find affordable one-way fares based on user searches. Data last updated March 12, 2026.
This American Airlines deal was found by Cheapflights users on 3/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:12 pm
GSP
- PDX
1 stop8h 37m
American Airlines
Deal found 3/11![American Airlines logo]()
$184
This United Airlines deal was found by Cheapflights users on 3/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1510:33 am
GSP
- PDX
2 stops11h 01m
United Airlines
Deal found 3/11![United Airlines logo]()
$189
This American Airlines deal was found by Cheapflights users on 3/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/252:37 pm
GSP
- PDX
1 stop9h 26m
American Airlines
Deal found 3/11![American Airlines logo]()
$190
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:25 pm
GSP
- PDX
2 stops8h 45m
Southwest
Deal found 3/9![Southwest logo]()
$194
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 5/295:25 pm
GSP
- PDX
1 stop10h 25m
American Airlines
Deal found 3/10![American Airlines logo]()
$199
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 7/16:41 pm
GSP
- PDX
1 stop8h 15m
American Airlines
Deal found 3/9![American Airlines logo]()
$209
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.
Thu 6/115:25 pm
GSP
- PDX
1 stop10h 25m
American Airlines
Deal found 3/10![American Airlines logo]()
$217
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.
Mon 4/65:41 pm
GSP
- PDX
1 stop7h 53m
United Airlines
Deal found 3/9![United Airlines logo]()
$221
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.
Sun 4/195:12 pm
GSP
- PDX
1 stop9h 42m
American Airlines
Deal found 3/10![American Airlines logo]()
$222
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:05 pm
GSP
- PDX
3 stops21h 08m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$227
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 March 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $361 (Kiwi.com) |
One-way from | $184 (American Airlines) |
Popular in | April |
Cheapest in | October |
Average price | $467 |
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 March 12, 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
Cheapest round-trip
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Thu 4/23
4:10 pm-10:54 pm
1 stop9h 44m
Portland
Mon 4/27
11:15 pm-11:14 am
1 stop8h 59m
$377
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Sat 8/22
4:15 pm-10:52 pm
1 stop9h 37m
Portland
Sat 8/29
10:50 pm-10:44 am
1 stop8h 54m
$377
Quickest round-trip
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Wed 4/8
5:41 pm-10:34 pm
1 stop7h 53m
Portland
Wed 4/15
11:59 pm-9:46 am
1 stop6h 47m
$377
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Wed 4/8
5:12 pm-10:49 pm
1 stop8h 37m
Portland
Fri 4/17
12:59 am-11:44 am
1 stop7h 45m
$379
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Thu 4/23
6:25 pm-12:10 am
2 stops8h 45m
Portland
Mon 4/27
11:55 pm-1:10 pm
2 stops10h 15m
$387
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Wed 4/8
8:30 am-8:25 pm
2 stops14h 55m
Portland
Sat 4/18
6:28 am-4:41 pm
1 stop7h 13m
$387
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Sun 8/23
3:42 pm-11:41 pm
2 stops10h 59m
Portland
Fri 8/28
7:40 pm-10:28 am
2 stops11h 48m
$387
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Wed 4/8
5:05 pm-11:10 pm
2 stops9h 05m
Portland
Sat 4/18
6:00 am-8:40 pm
2 stops11h 40m
$392
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Wed 5/13
1:55 pm-10:00 pm
2 stops11h 05m
Portland
Wed 5/20
5:40 am-8:00 pm
2 stops11h 20m
$392
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Sat 7/4
5:41 pm-11:53 pm
1 stop9h 12m
Portland
Sat 8/8
11:40 pm-10:14 am
1 stop7h 34m
$397
Showing 1-10 of 21 resultsSorted by cheapest first
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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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.
GSP-PDX
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
How far ahead should I book a flight from Greenville to Portland?
Use this chart to determine the optimal time to book a round-trip flight from Greenville to Portland. Price data was last updated on March 6, 2026.
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 29 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, April is the cheapest month in which you can book a flight from Greenville to Portland (average of $213). Flying from Greenville to Portland in May is currently the most expensive (average of $329). 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 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 March 12, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited 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.
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsVancouver
Seaside
Clackamas
Lincoln City
Longview
Lake Oswego
Hillsboro
Troutdale
Cannon Beach
Long Beach
McMinnville
Tigard
The Dalles
Beaverton
Depoe Bay
Wilsonville
Stevenson
Tillamook
Pacific City
Astoria
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Greenville and Portland flights
Browse other Greenville and Portland flight options. Last updated on March 12, 2026.
Other flights from Greenville
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Top 4 airlines flying from Greenville to Portland
Discover the top 4 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 March 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$213 | Average$439 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$217 | Average$442 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$336 | Average$505 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$367 | Average$398 | FlexibilityNo cancel fee | On-time63% |