$190+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — PDX
Jul 9 — Jul 161
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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Greenville to Portland
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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 June 9, 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 June 9, 2026.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:46 am
GSP
- PDX
1 stop7h 41m
Delta
Tue 9/16:45 am
PDX
- GSP
1 stop9h 00m
Delta
Deal found 6/9![Delta logo]()
$249
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.
Tue 8/251:20 pm
GSP
- PDX
2 stops11h 55m
Southwest
Tue 9/110:45 pm
PDX
- GSP
1 stop8h 30m
Southwest
Deal found 6/9![Southwest logo]()
$253
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 10/205:46 pm
GSP
- PDX
1 stop7h 37m
United Airlines
Sat 10/2411:30 pm
PDX
- GSP
1 stop9h 26m
United Airlines
Deal found 6/8![United Airlines logo]()
$273
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 9/266:20 am
GSP
- PDX
1 stop8h 13m
United Airlines
Sat 10/311:30 pm
PDX
- GSP
1 stop7h 28m
United Airlines
Deal found 6/9![United Airlines logo]()
$297
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 10/1410:50 am
GSP
- PDX
2 stops8h 55m
Southwest
Tue 10/2011:35 pm
PDX
- GSP
2 stops9h 35m
Southwest
Deal found 6/8![Southwest logo]()
$324
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.
Sat 9/266:45 am
GSP
- PDX
2 stops10h 15m
Southwest
Sat 10/36:25 pm
PDX
- GSP
2 stops12h 35m
Southwest
Deal found 6/9![Southwest logo]()
$348
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:46 am
GSP
- PDX
1 stop7h 41m
Delta
Sat 8/2910:55 pm
PDX
- GSP
1 stop8h 45m
Delta
Deal found 6/9![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.
Tue 8/2510:33 am
GSP
- PDX
2 stops15h 12m
United Airlines
Tue 9/111:02 pm
PDX
- GSP
2 stops12h 17m
United Airlines
Deal found 6/9![United Airlines logo]()
$369
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 June 9, 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 June 9, 2026.
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.
Tue 8/255:46 am
GSP
- PDX
1 stop7h 41m
Delta
Tue 9/110:55 pm
PDX
- GSP
1 stop7h 23m
Delta
Deal found 6/8![Delta logo]()
$379
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.
Tue 8/257:00 am
GSP
- PDX
2 stops11h 00m
Southwest
Tue 9/110:45 pm
PDX
- GSP
1 stop8h 30m
Southwest
Deal found 6/7![Southwest logo]()
$384
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:46 am
GSP
- PDX
1 stop7h 41m
Delta
Sat 8/295:54 pm
PDX
- GSP
2 stops12h 24m
Delta
Deal found 6/9![Delta logo]()
$389
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.
Tue 7/217:00 am
GSP
- PDX
2 stops10h 40m
Southwest
Sat 7/259:20 pm
PDX
- GSP
1 stop12h 45m
Southwest
Deal found 6/8![Southwest logo]()
$429
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.
Sun 8/235:46 am
GSP
- PDX
1 stop7h 41m
Delta
Tue 9/111:36 am
PDX
- GSP
1 stop6h 50m
Delta
Deal found 6/8![Delta logo]()
$423
This Southwest deal was found by Cheapflights users on 6/5. 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 8/265:30 pm
GSP
- PDX
2 stops8h 40m
Southwest
Fri 9/410:45 pm
PDX
- GSP
1 stop8h 20m
Southwest
Deal found 6/5![Southwest logo]()
$436
This Southwest deal was found by Cheapflights users on 6/4. 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.
Mon 8/38:30 am
GSP
- PDX
1 stop10h 50m
Southwest
Thu 8/610:45 pm
PDX
- GSP
2 stops10h 45m
Southwest
Deal found 6/4![Southwest logo]()
$451
This Delta 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 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 8/2811:20 pm
PDX
- GSP
1 stop9h 31m
Delta
Deal found 6/9![Delta logo]()
$467
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:40 am
GSP
- PDX
1 stop9h 20m
Southwest
Sun 9/1310:45 pm
PDX
- GSP
1 stop14h 20m
Southwest
Deal found 6/6![Southwest logo]()
$472
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.
Mon 7/201:55 pm
GSP
- PDX
2 stops10h 05m
Southwest
Sat 7/2511:30 pm
PDX
- GSP
2 stops9h 40m
Southwest
Deal found 6/8![Southwest logo]()
$472
Last-minute flights from Greenville to PortlandDiscover last-minute flight deals from Greenville to Portland. Data last updated June 9, 2026 and is based on user searches.
Discover last-minute flight deals from Greenville to Portland. Data last updated June 9, 2026 and is based on user searches.
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 7/410:30 am
GSP
- PDX
2 stops11h 20m
United Airlines
Tue 7/711:40 pm
PDX
- GSP
1 stop7h 15m
United Airlines
Deal found 6/6![United Airlines logo]()
$397
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/412:30 pm
GSP
- PDX
2 stops10h 50m
Southwest
Tue 7/75:35 am
PDX
- GSP
2 stops10h 25m
Southwest
Deal found 6/6![Southwest logo]()
$410
This Southwest deal was found by Cheapflights users on 6/4. 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.
Wed 7/88:25 am
GSP
- PDX
1 stop10h 00m
Southwest
Wed 7/1511:30 pm
PDX
- GSP
2 stops9h 45m
Southwest
Deal found 6/4![Southwest logo]()
$400
This Delta deal was found by Cheapflights users on 6/5. 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 7/143:06 pm
GSP
- PDX
1 stop9h 38m
Delta
Mon 7/2012:33 am
PDX
- GSP
2 stops11h 30m
Delta
Deal found 6/5![Delta logo]()
$394
This Southwest deal was found by Cheapflights users on 6/5. 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.
Tue 7/147:00 am
GSP
- PDX
2 stops10h 40m
Southwest
Tue 7/215:35 am
PDX
- GSP
2 stops10h 25m
Southwest
Deal found 6/5![Southwest logo]()
$405
This American Airlines deal was found by Cheapflights users on 6/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:01 pm
GSP
- PDX
1 stop7h 54m
American Airlines
Mon 7/2012:45 am
PDX
- GSP
1 stop9h 24m
American Airlines
Deal found 6/5![American Airlines logo]()
$418
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.
Wed 7/156:10 am
GSP
- PDX
1 stop8h 28m
United Airlines
Wed 7/2910:40 pm
PDX
- GSP
1 stop8h 15m
United Airlines
Deal found 6/9![United Airlines logo]()
$407
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 7/158:25 am
GSP
- PDX
1 stop10h 00m
Southwest
Wed 7/2911:30 pm
PDX
- GSP
2 stops9h 45m
Southwest
Deal found 6/9![Southwest logo]()
$423
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.
Tue 7/215:28 pm
GSP
- PDX
1 stop10h 27m
American Airlines
Mon 7/2712:45 am
PDX
- GSP
1 stop9h 24m
American Airlines
Deal found 6/8![American Airlines logo]()
$379
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.
Tue 7/217:00 am
GSP
- PDX
2 stops9h 55m
Southwest
Tue 7/289:20 pm
PDX
- GSP
1 stop12h 50m
Southwest
Deal found 6/8![Southwest logo]()
$398
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 June 9, 2026.
Search for one-way flight options from Greenville to Portland. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
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.
Wed 7/295:10 pm
GSP
- PDX
1 stop8h 38m
United Airlines
Deal found 6/8![United Airlines logo]()
$190
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.
Tue 6/305:44 am
GSP
- PDX
1 stop7h 46m
Delta
Deal found 6/8![Delta logo]()
$203
This Southwest deal was found by Cheapflights users on 6/5. 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.
Thu 8/131:05 pm
GSP
- PDX
2 stops11h 05m
Southwest
Deal found 6/5![Southwest logo]()
$218
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/163:30 pm
GSP
- PDX
3 stops46h 14m
Allegiant Air
Deal found 6/6![Allegiant Air logo]()
$224
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.
Mon 8/35:20 pm
GSP
- PDX
1 stop7h 24m
Delta
Deal found 6/7![Delta logo]()
$234
This Southwest deal was found by Cheapflights users on 6/5. 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.
Sat 7/1812:50 pm
GSP
- PDX
2 stops12h 35m
Southwest
Deal found 6/5![Southwest logo]()
$239
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.
Tue 6/307:00 am
GSP
- PDX
2 stops11h 05m
Southwest
Deal found 6/8![Southwest logo]()
$245
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.
Tue 8/256:30 am
GSP
- PDX
2 stops11h 36m
United Airlines
Deal found 6/9![United Airlines logo]()
$250
This United Airlines deal was found by Cheapflights users on 6/5. 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 6/306:05 am
GSP
- PDX
1 stop8h 33m
United Airlines
Deal found 6/5![United Airlines logo]()
$257
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/13:48 pm
GSP
- PDX
3 stops52h 36m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$263
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 7/18:25 am
GSP
- PDX
1 stop10h 00m
Southwest
Deal found 6/8![Southwest logo]()
$270
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 June 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $249 (United Airlines) |
One-way from | $190 (United Airlines) |
Popular in | December |
Cheapest in | October |
Average price | $462 |
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 June 9, 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 8/25
5:46 am-10:27 am
1 stop7h 41m
Portland
Tue 9/1
10:55 pm-9:18 am
1 stop7h 23m
$379
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Tue 8/25
7:00 am-3:00 pm
2 stops11h 00m
Portland
Tue 9/1
10:45 pm-10:15 am
1 stop8h 30m
$384
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Tue 8/25
5:46 am-10:27 am
1 stop7h 41m
Portland
Sat 8/29
5:54 pm-9:18 am
2 stops12h 24m
$389
Quickest round-trip
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Sun 8/23
5:46 am-10:27 am
1 stop7h 41m
Portland
Tue 9/1
11:36 am-9:26 pm
1 stop6h 50m
$423
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Tue 7/21
7:00 am-2:40 pm
2 stops10h 40m
Portland
Sat 7/25
9:20 pm-1:05 pm
1 stop12h 45m
$429
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Wed 8/26
5:30 pm-11:10 pm
2 stops8h 40m
Portland
Fri 9/4
10:45 pm-10:05 am
1 stop8h 20m
$436
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Mon 8/3
8:30 am-4:20 pm
1 stop10h 50m
Portland
Thu 8/6
10:45 pm-12:30 pm
2 stops10h 45m
$451
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Sun 8/23
5:46 am-10:27 am
1 stop7h 41m
Portland
Fri 8/28
11:20 pm-11:51 am
1 stop9h 31m
$467
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Thu 9/10
8:40 am-3:00 pm
1 stop9h 20m
Portland
Sun 9/13
10:45 pm-4:05 pm
1 stop14h 20m
$472
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Mon 7/20
1:55 pm-9:00 pm
2 stops10h 05m
Portland
Sat 7/25
11:30 pm-12:10 pm
2 stops9h 40m
$472
Showing 1-10 of 15 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 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 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, October is the cheapest month in which you can book a flight from Greenville to Portland (average of $385). 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 June 9, 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.
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Overall
7.9
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
Troutdale
Cannon Beach
Long Beach
McMinnville
Tigard
The Dalles
Wilsonville
Depoe Bay
Stevenson
Tillamook
Astoria
Gresham
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Top 3 airlines flying from Greenville to Portland
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$213 | Average$416 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$217 | Average$442 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$336 | Average$439 | FlexibilityNo cancel fee | On-time71% |