$192+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — PDX
Jun 4 — Jun 111
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 May 5, 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 May 5, 2026.
This American Airlines deal was found by Cheapflights users on 5/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:29 pm
GSP
- PDX
1 stop8h 38m
American Airlines
Tue 9/16:27 am
PDX
- GSP
1 stop7h 08m
American Airlines
Deal found 5/4![American Airlines logo]()
$383
This Southwest deal was found by Cheapflights users on 4/30. 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 8/2511:00 am
GSP
- PDX
2 stops9h 45m
Southwest
Tue 9/110:45 pm
PDX
- GSP
1 stop8h 30m
Southwest
Deal found 4/30![Southwest logo]()
$388
This American Airlines deal was found by Cheapflights users on 5/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:06 pm
GSP
- PDX
1 stop10h 53m
American Airlines
Mon 6/110:40 pm
PDX
- GSP
1 stop9h 08m
American Airlines
Deal found 5/2![American Airlines logo]()
$391
This American Airlines deal was found by Cheapflights users on 5/5. 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.
Wed 6/35:25 pm
GSP
- PDX
1 stop8h 26m
American Airlines
Wed 6/105:10 am
PDX
- GSP
1 stop8h 22m
American Airlines
Deal found 5/5![American Airlines logo]()
$395
This American Airlines deal was found by Cheapflights users on 5/5. 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 8/255:29 pm
GSP
- PDX
1 stop8h 38m
American Airlines
Sat 8/295:18 am
PDX
- GSP
1 stop8h 17m
American Airlines
Deal found 5/5![American Airlines logo]()
$397
This American Airlines deal was found by Cheapflights users on 5/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/12:48 pm
GSP
- PDX
1 stop11h 35m
American Airlines
Mon 6/810:40 pm
PDX
- GSP
1 stop9h 10m
American Airlines
Deal found 5/4![American Airlines logo]()
$399
This American Airlines deal was found by Cheapflights users on 5/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/95:25 pm
GSP
- PDX
1 stop8h 26m
American Airlines
Fri 6/1210:40 pm
PDX
- GSP
1 stop9h 10m
American Airlines
Deal found 5/4![American Airlines logo]()
$400
This Southwest deal was found by Cheapflights users on 5/1. 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 5/275:05 pm
GSP
- PDX
2 stops9h 05m
Southwest
Wed 6/35:40 am
PDX
- GSP
2 stops11h 20m
Southwest
Deal found 5/1![Southwest logo]()
$401
This Delta deal was found by Cheapflights users on 5/2. 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 5/305:40 am
GSP
- PDX
2 stops9h 45m
Delta
Thu 6/411:12 pm
PDX
- GSP
1 stop8h 43m
Delta
Deal found 5/2![Delta logo]()
$404
This Delta deal was found by Cheapflights users on 5/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/911:44 am
GSP
- PDX
2 stops10h 40m
Delta
Fri 6/1211:15 pm
PDX
- GSP
1 stop9h 51m
Delta
Deal found 5/4![Delta logo]()
$405
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 May 5, 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 May 5, 2026.
This United Airlines deal was found by Cheapflights users on 5/4. 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.
Wed 8/264:15 pm
GSP
- PDX
1 stop7h 40m
United Airlines
Sat 8/298:29 am
PDX
- GSP
1 stop9h 48m
United Airlines
Deal found 5/4![United Airlines logo]()
$400
This Southwest deal was found by Cheapflights users on 5/4. 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.
Tue 6/238:25 am
GSP
- PDX
1 stop10h 00m
Southwest
Wed 7/229:20 pm
PDX
- GSP
1 stop12h 55m
Southwest
Deal found 5/4![Southwest logo]()
$400
This Delta deal was found by Cheapflights users on 5/5. 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.
Sun 8/235:46 am
GSP
- PDX
1 stop7h 42m
Delta
Fri 8/2811:45 am
PDX
- GSP
1 stop8h 14m
Delta
Deal found 5/5![Delta logo]()
$417
This Southwest deal was found by Cheapflights users on 5/2. 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 8/191:20 pm
GSP
- PDX
2 stops11h 55m
Southwest
Sat 8/2210:45 pm
PDX
- GSP
1 stop8h 25m
Southwest
Deal found 5/2![Southwest logo]()
$405
This United Airlines deal was found by Cheapflights users on 5/4. 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.
Thu 8/204:15 pm
GSP
- PDX
1 stop9h 37m
United Airlines
Fri 8/2810:50 pm
PDX
- GSP
1 stop8h 54m
United Airlines
Deal found 5/4![United Airlines logo]()
$417
This Southwest deal was found by Cheapflights users on 5/1. 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 6/41:55 pm
GSP
- PDX
2 stops10h 05m
Southwest
Tue 6/99:20 pm
PDX
- GSP
1 stop12h 50m
Southwest
Deal found 5/1![Southwest logo]()
$410
This Southwest deal was found by Cheapflights users on 5/5. 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 8/11:55 pm
GSP
- PDX
1 stop8h 45m
Southwest
Sat 8/810:45 pm
PDX
- GSP
1 stop8h 25m
Southwest
Deal found 5/5![Southwest logo]()
$417
This Southwest deal was found by Cheapflights users on 5/3. 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.
Fri 9/188:40 am
GSP
- PDX
1 stop9h 20m
Southwest
Sat 9/2611:30 pm
PDX
- GSP
2 stops10h 10m
Southwest
Deal found 5/3![Southwest logo]()
$422
Last-minute flights from Greenville to PortlandDiscover last-minute flight deals from Greenville to Portland. Data last updated May 5, 2026 and is based on user searches.
Discover last-minute flight deals from Greenville to Portland. Data last updated May 5, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/1. 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 5/276:08 pm
GSP
- PDX
1 stop8h 51m
American Airlines
Wed 6/35:10 am
PDX
- GSP
1 stop8h 25m
American Airlines
Deal found 5/1![American Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 5/1. 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 5/275:40 am
GSP
- PDX
1 stop7h 26m
Delta
Wed 6/38:13 pm
PDX
- GSP
2 stops11h 42m
Delta
Deal found 5/1![Delta logo]()
$388
This American Airlines deal was found by Cheapflights users on 5/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:06 pm
GSP
- PDX
1 stop10h 53m
American Airlines
Mon 6/110:40 pm
PDX
- GSP
1 stop9h 08m
American Airlines
Deal found 5/2![American Airlines logo]()
$391
This Southwest deal was found by Cheapflights users on 5/1. 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 5/275:05 pm
GSP
- PDX
2 stops9h 05m
Southwest
Wed 6/35:40 am
PDX
- GSP
2 stops11h 20m
Southwest
Deal found 5/1![Southwest logo]()
$401
This American Airlines deal was found by Cheapflights users on 5/1. 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 5/296:29 am
GSP
- PDX
1 stop9h 15m
American Airlines
Mon 6/110:40 pm
PDX
- GSP
1 stop9h 08m
American Airlines
Deal found 5/1![American Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 5/2. 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 5/305:40 am
GSP
- PDX
2 stops9h 45m
Delta
Thu 6/411:12 pm
PDX
- GSP
1 stop8h 43m
Delta
Deal found 5/2![Delta logo]()
$404
This American Airlines deal was found by Cheapflights users on 5/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/12:48 pm
GSP
- PDX
1 stop11h 35m
American Airlines
Mon 6/810:40 pm
PDX
- GSP
1 stop9h 10m
American Airlines
Deal found 5/4![American Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 5/1. 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 6/16:25 pm
GSP
- PDX
2 stops8h 45m
Southwest
Mon 6/811:30 pm
PDX
- GSP
2 stops10h 40m
Southwest
Deal found 5/1![Southwest logo]()
$409
This American Airlines deal was found by Cheapflights users on 5/5. 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.
Wed 6/35:25 pm
GSP
- PDX
1 stop8h 26m
American Airlines
Wed 6/105:10 am
PDX
- GSP
1 stop8h 22m
American Airlines
Deal found 5/5![American Airlines logo]()
$395
This Southwest deal was found by Cheapflights users on 5/1. 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 6/41:55 pm
GSP
- PDX
2 stops10h 05m
Southwest
Mon 6/89:20 pm
PDX
- GSP
1 stop12h 50m
Southwest
Deal found 5/1![Southwest logo]()
$410
This American Airlines deal was found by Cheapflights users on 5/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/95:25 pm
GSP
- PDX
1 stop8h 26m
American Airlines
Fri 6/1210:40 pm
PDX
- GSP
1 stop9h 10m
American Airlines
Deal found 5/4![American Airlines logo]()
$400
This Delta deal was found by Cheapflights users on 5/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/911:44 am
GSP
- PDX
2 stops10h 40m
Delta
Fri 6/1211:15 pm
PDX
- GSP
1 stop9h 51m
Delta
Deal found 5/4![Delta logo]()
$405
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 May 5, 2026.
Search for one-way flight options from Greenville to Portland. Find affordable one-way fares based on user searches. Data last updated May 5, 2026.
This American Airlines deal was found by Cheapflights users on 5/1. 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 6/27:54 pm
GSP
- PDX
1 stop7h 56m
American Airlines
Deal found 5/1![American Airlines logo]()
$192
This Delta deal was found by Cheapflights users on 5/1. 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 6/25:40 am
GSP
- PDX
2 stops9h 50m
Delta
Deal found 5/1![Delta logo]()
$197
This American Airlines deal was found by Cheapflights users on 5/5. 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.
Thu 6/45:25 pm
GSP
- PDX
1 stop8h 26m
American Airlines
Deal found 5/5![American Airlines logo]()
$200
This Southwest deal was found by Cheapflights users on 5/1. 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 6/41:55 pm
GSP
- PDX
2 stops10h 05m
Southwest
Deal found 5/1![Southwest logo]()
$205
This American Airlines deal was found by Cheapflights users on 5/5. 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.
Thu 5/282:48 pm
GSP
- PDX
1 stop11h 35m
American Airlines
Deal found 5/5![American Airlines logo]()
$209
This Delta deal was found by Cheapflights users on 5/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/135:44 am
GSP
- PDX
2 stops9h 54m
Delta
Deal found 5/4![Delta logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 6/43:48 pm
GSP
- PDX
3 stops45h 32m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/283:27 pm
GSP
- PDX
3 stops52h 19m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 5/3. 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.
Mon 6/151:55 pm
GSP
- PDX
2 stops10h 05m
Southwest
Deal found 5/3![Southwest logo]()
$239
This Alaska Airlines deal was found by Cheapflights users on 5/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2811:34 am
GSP
- PDX
2 stops12h 54m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$269
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 May 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $383 (American Airlines) |
One-way from | $192 (American Airlines) |
Popular in | December |
Cheapest in | October |
Average price | $463 |
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 May 5, 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
Wed 8/26
4:15 pm-8:55 pm
1 stop7h 40m
Portland
Sat 8/29
8:29 am-9:17 pm
1 stop9h 48m
$400
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Tue 6/23
8:25 am-3:25 pm
1 stop10h 00m
Portland
Wed 7/22
9:20 pm-1:15 pm
1 stop12h 55m
$400
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Wed 8/19
1:20 pm-10:15 pm
2 stops11h 55m
Portland
Sat 8/22
10:45 pm-10:10 am
1 stop8h 25m
$405
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Thu 6/4
1:55 pm-9:00 pm
2 stops10h 05m
Portland
Tue 6/9
9:20 pm-1:10 pm
1 stop12h 50m
$410
Quickest round-trip
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Sun 8/23
5:46 am-10:28 am
1 stop7h 42m
Portland
Fri 8/28
11:45 am-10:59 pm
1 stop8h 14m
$417
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Thu 8/20
4:15 pm-10:52 pm
1 stop9h 37m
Portland
Fri 8/28
10:50 pm-10:44 am
1 stop8h 54m
$417
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Sat 8/1
1:55 pm-7:40 pm
1 stop8h 45m
Portland
Sat 8/8
10:45 pm-10:10 am
1 stop8h 25m
$417
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Fri 9/18
8:40 am-3:00 pm
1 stop9h 20m
Portland
Sat 9/26
11:30 pm-12:40 pm
2 stops10h 10m
$422
Cheapest one-way
Quickest one-way
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Tue 8/25
5:20 pm-9:40 pm
1 stop7h 20m
$192
GreenvillePortland
GSP - PDX
GSPPDX
Greenville
Thu 6/4
1:55 pm-9:00 pm
2 stops10h 05m
$205
Showing 1-10 of 14 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 May.
| 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?
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 61 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, October is the cheapest month in which you can book a flight from Greenville to Portland (average of $376). 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 May 5, 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
Boarding
8.1
Food
7.2
Overall
7.9
Comfort
7.9
Crew
8.5
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Entertainment
7.8
Boarding
8.1
Food
7.2
Overall
7.9
Comfort
7.9
Crew
8.5
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Entertainment
7.8
Boarding
8.1
Food
7.2
Overall
7.9
Comfort
7.9
Crew
8.5
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Entertainment
7.8
Boarding
8.1
Food
7.2
Overall
7.9
Comfort
7.9
Crew
8.5
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
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
Pacific City
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Greenville and Portland flights
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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 May 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$213 | Average$412 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$217 | Average$438 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$336 | Average$464 | FlexibilityNo cancel fee | On-time71% |