$172+ 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — PDX
Aug 6 — Aug 131
Round-trip
1 adult, Economy
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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 July 7, 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 July 7, 2026.
This Delta deal was found by Cheapflights users on 7/2. 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 8/198:49 am
GSP
- PDX
1 stop7h 09m
Delta
Wed 8/266:45 am
PDX
- GSP
1 stop6h 30m
Delta
Deal found 7/2![Delta logo]()
$363
This Delta deal was found by Cheapflights users on 7/2. 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 8/156:00 am
GSP
- PDX
1 stop7h 27m
Delta
Mon 8/2410:55 pm
PDX
- GSP
1 stop7h 23m
Delta
Deal found 7/2![Delta logo]()
$372
This Southwest deal was found by Cheapflights users on 7/2. 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 8/195:30 pm
GSP
- PDX
2 stops8h 40m
Southwest
Wed 8/265:50 am
PDX
- GSP
2 stops12h 05m
Southwest
Deal found 7/2![Southwest logo]()
$373
This Delta deal was found by Cheapflights users on 7/6. 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.
Tue 8/255:20 pm
GSP
- PDX
1 stop7h 24m
Delta
Tue 9/110:55 pm
PDX
- GSP
1 stop7h 23m
Delta
Deal found 7/6![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 7/6. 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 8/1811:00 am
GSP
- PDX
2 stops9h 50m
Southwest
Tue 8/2510:45 pm
PDX
- GSP
1 stop8h 30m
Southwest
Deal found 7/6![Southwest logo]()
$384
This United Airlines deal was found by Cheapflights users on 7/2. 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 7/284:15 pm
GSP
- PDX
1 stop8h 00m
United Airlines
Wed 8/1211:15 am
PDX
- GSP
1 stop8h 48m
United Airlines
Deal found 7/2![United Airlines logo]()
$388
This Southwest deal was found by Cheapflights users on 7/3. 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 10/151:05 pm
GSP
- PDX
2 stops10h 40m
Southwest
Mon 10/1911:35 pm
PDX
- GSP
2 stops10h 05m
Southwest
Deal found 7/3![Southwest logo]()
$391
This Southwest deal was found by Cheapflights users on 7/6. 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.
Fri 9/188:40 am
GSP
- PDX
2 stops10h 55m
Southwest
Mon 9/2111:30 pm
PDX
- GSP
2 stops9h 55m
Southwest
Deal found 7/6![Southwest logo]()
$394
This Southwest deal was found by Cheapflights users on 7/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/191:20 pm
GSP
- PDX
2 stops11h 55m
Southwest
Sat 8/2211:30 pm
PDX
- GSP
2 stops15h 50m
Southwest
Deal found 7/5![Southwest logo]()
$395
This United Airlines deal was found by Cheapflights users on 7/3. 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 8/175:43 pm
GSP
- PDX
1 stop8h 09m
United Airlines
Thu 8/205:00 am
PDX
- GSP
1 stop6h 48m
United Airlines
Deal found 7/3![United Airlines logo]()
$402
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 July 7, 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 July 7, 2026.
This United Airlines deal was found by Cheapflights users on 7/4. 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 9/223:01 pm
GSP
- PDX
2 stops10h 51m
United Airlines
Sat 9/265:00 am
PDX
- GSP
1 stop7h 08m
United Airlines
Deal found 7/4![United Airlines logo]()
$384
This Southwest deal was found by Cheapflights users on 7/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:30 pm
GSP
- PDX
2 stops8h 40m
Southwest
Sat 8/2210:45 pm
PDX
- GSP
1 stop8h 25m
Southwest
Deal found 7/5![Southwest logo]()
$384
This Delta deal was found by Cheapflights users on 7/2. 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 8/142:51 pm
GSP
- PDX
1 stop7h 04m
Delta
Mon 8/2410:55 pm
PDX
- GSP
1 stop7h 23m
Delta
Deal found 7/2![Delta logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:45 pm
GSP
- PDX
2 stops47h 26m
Multiple Airlines
Thu 8/275:56 pm
PDX
- GSP
1 stop23h 44m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$429
This Southwest deal was found by Cheapflights users on 7/2. 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 9/31:05 pm
GSP
- PDX
2 stops12h 05m
Southwest
Sun 9/610:45 pm
PDX
- GSP
1 stop14h 20m
Southwest
Deal found 7/2![Southwest logo]()
$420
This Delta deal was found by Cheapflights users on 7/2. 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 8/165:46 am
GSP
- PDX
1 stop7h 41m
Delta
Mon 8/2411:20 pm
PDX
- GSP
1 stop7h 55m
Delta
Deal found 7/2![Delta logo]()
$424
This United Airlines deal was found by Cheapflights users on 7/4. 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.
Fri 9/116:20 am
GSP
- PDX
1 stop8h 08m
United Airlines
Sun 9/1311:02 pm
PDX
- GSP
2 stops12h 18m
United Airlines
Deal found 7/4![United Airlines logo]()
$428
This Southwest deal was found by Cheapflights users on 7/4. 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 9/111:05 pm
GSP
- PDX
2 stops12h 05m
Southwest
Sun 9/1311:30 pm
PDX
- GSP
2 stops13h 35m
Southwest
Deal found 7/4![Southwest logo]()
$433
This United Airlines deal was found by Cheapflights users on 7/3. 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.
Fri 9/255:46 pm
GSP
- PDX
1 stop7h 37m
United Airlines
Sun 9/2711:30 pm
PDX
- GSP
1 stop7h 28m
United Airlines
Deal found 7/3![United Airlines logo]()
$467
This Delta deal was found by Cheapflights users on 7/3. 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 8/235:46 am
GSP
- PDX
1 stop7h 41m
Delta
Fri 8/286:45 am
PDX
- GSP
1 stop9h 24m
Delta
Deal found 7/3![Delta logo]()
$467
This Southwest deal was found by Cheapflights users on 7/2. 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 8/138:40 am
GSP
- PDX
2 stops10h 55m
Southwest
Thu 8/206:15 am
PDX
- GSP
2 stops11h 00m
Southwest
Deal found 7/2![Southwest logo]()
$434
Last-minute flights from Greenville to PortlandDiscover last-minute flight deals from Greenville to Portland. Data last updated July 7, 2026 and is based on user searches.
Discover last-minute flight deals from Greenville to Portland. Data last updated July 7, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/2. 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 7/284:15 pm
GSP
- PDX
1 stop8h 00m
United Airlines
Wed 8/1211:15 am
PDX
- GSP
1 stop8h 48m
United Airlines
Deal found 7/2![United Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 7/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:46 am
GSP
- PDX
1 stop7h 41m
Delta
Sat 8/1510:55 pm
PDX
- GSP
1 stop8h 40m
Delta
Deal found 7/5![Delta logo]()
$409
This Delta deal was found by Cheapflights users on 7/2. 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 8/142:51 pm
GSP
- PDX
1 stop7h 04m
Delta
Wed 8/266:45 am
PDX
- GSP
1 stop6h 30m
Delta
Deal found 7/2![Delta logo]()
$415
This Delta deal was found by Cheapflights users on 7/2. 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 8/156:00 am
GSP
- PDX
1 stop7h 27m
Delta
Mon 8/2410:55 pm
PDX
- GSP
1 stop7h 23m
Delta
Deal found 7/2![Delta logo]()
$372
This United Airlines deal was found by Cheapflights users on 7/3. 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 8/175:43 pm
GSP
- PDX
1 stop8h 09m
United Airlines
Thu 8/205:00 am
PDX
- GSP
1 stop6h 48m
United Airlines
Deal found 7/3![United Airlines logo]()
$402
This Southwest deal was found by Cheapflights users on 7/6. 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 8/1811:00 am
GSP
- PDX
2 stops9h 50m
Southwest
Tue 8/2510:45 pm
PDX
- GSP
1 stop8h 30m
Southwest
Deal found 7/6![Southwest logo]()
$384
This Delta deal was found by Cheapflights users on 7/2. 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 8/198:49 am
GSP
- PDX
1 stop7h 09m
Delta
Wed 8/266:45 am
PDX
- GSP
1 stop6h 30m
Delta
Deal found 7/2![Delta logo]()
$363
This Southwest deal was found by Cheapflights users on 7/2. 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 8/195:30 pm
GSP
- PDX
2 stops8h 40m
Southwest
Wed 8/265:50 am
PDX
- GSP
2 stops12h 05m
Southwest
Deal found 7/2![Southwest logo]()
$373
This Southwest deal was found by Cheapflights users on 7/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/191:20 pm
GSP
- PDX
2 stops11h 55m
Southwest
Sat 8/2211:30 pm
PDX
- GSP
2 stops15h 50m
Southwest
Deal found 7/5![Southwest logo]()
$395
This Delta deal was found by Cheapflights users on 7/6. 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.
Tue 8/255:20 pm
GSP
- PDX
1 stop7h 24m
Delta
Tue 9/110:55 pm
PDX
- GSP
1 stop7h 23m
Delta
Deal found 7/6![Delta logo]()
$379
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 July 7, 2026.
Search for one-way flight options from Greenville to Portland. Find affordable one-way fares based on user searches. Data last updated July 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/28:25 am
GSP
- PDX
2 stops35h 29m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$172
This Delta deal was found by Cheapflights users on 7/2. 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 7/293:06 pm
GSP
- PDX
1 stop9h 38m
Delta
Deal found 7/2![Delta logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:45 pm
GSP
- PDX
2 stops23h 26m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$186
This Delta deal was found by Cheapflights users on 7/3. 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 8/255:20 pm
GSP
- PDX
1 stop7h 24m
Delta
Deal found 7/3![Delta logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:32 pm
GSP
- PDX
2 stops44h 55m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$192
This United Airlines deal was found by Cheapflights users on 7/5. 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.
Tue 8/42:55 pm
GSP
- PDX
2 stops10h 35m
United Airlines
Deal found 7/5![United Airlines logo]()
$195
This Delta deal was found by Cheapflights users on 7/2. 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 7/285:16 pm
GSP
- PDX
1 stop7h 28m
Delta
Deal found 7/2![Delta logo]()
$220
This Delta deal was found by Cheapflights users on 7/6. 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.
Fri 8/215:20 pm
GSP
- PDX
1 stop7h 24m
Delta
Deal found 7/6![Delta logo]()
$234
This United Airlines deal was found by Cheapflights users on 7/2. 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 8/2510:33 am
GSP
- PDX
2 stops13h 32m
United Airlines
Deal found 7/2![United Airlines logo]()
$242
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 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $363 (United Airlines) |
One-way from | $172 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $447 |
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 7, 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
Tue 9/22
3:01 pm-10:52 pm
2 stops10h 51m
Portland
Sat 9/26
5:00 am-3:08 pm
1 stop7h 08m
$384
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Wed 8/19
5:30 pm-11:10 pm
2 stops8h 40m
Portland
Sat 8/22
10:45 pm-10:10 am
1 stop8h 25m
$384
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Thu 9/3
1:05 pm-10:10 pm
2 stops12h 05m
Portland
Sun 9/6
10:45 pm-4:05 pm
1 stop14h 20m
$420
Quickest round-trip
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Fri 8/14
2:51 pm-6:55 pm
1 stop7h 04m
Portland
Mon 8/24
10:55 pm-9:18 am
1 stop7h 23m
$424
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Sun 8/16
5:46 am-10:27 am
1 stop7h 41m
Portland
Mon 8/24
11:20 pm-10:15 am
1 stop7h 55m
$424
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Fri 9/11
6:20 am-11:28 am
1 stop8h 08m
Portland
Sun 9/13
11:02 pm-2:20 pm
2 stops12h 18m
$428
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Mon 8/17
8:45 pm-5:11 pm
2 stops47h 26m
Portland
Thu 8/27
5:56 pm-8:40 pm
1 stop23h 44m
$429
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Fri 9/11
1:05 pm-10:10 pm
2 stops12h 05m
Portland
Sun 9/13
11:30 pm-4:05 pm
2 stops13h 35m
$433
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Thu 8/13
8:40 am-4:35 pm
2 stops10h 55m
Portland
Thu 8/20
6:15 am-8:15 pm
2 stops11h 00m
$434
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Fri 9/25
5:46 pm-10:23 pm
1 stop7h 37m
Portland
Sun 9/27
11:30 pm-9:58 am
1 stop7h 28m
$467
Showing 1-10 of 18 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 July.
| 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 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
What is the cheapest month to book a flight from Greenville to Portland?
Currently, September is the cheapest month in which you can book a flight from Greenville to Portland (average of $386). 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?
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 7, 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.
Entertainment
7.8
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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 locationsBeaverton
Seaside
Vancouver
Lincoln City
Longview
Lake Oswego
Hillsboro
Clackamas
Kelso
Troutdale
Cannon Beach
Long Beach
McMinnville
The Dalles
Wilsonville
Depoe Bay
Stevenson
Tillamook
Astoria
Gresham
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Greenville and Portland flights
Browse other Greenville and Portland flight options. Last updated on July 7, 2026.
Other flights from Greenville
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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 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$213 | Average$412 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$217 | Average$446 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$336 | Average$437 | FlexibilityNo cancel fee | On-time71% |