$190+ Cheap flights from Greenville to Seattle (GSP - SEA)
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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — SEA
Jun 15 — Jun 221
Round-trip
1 adult, Economy
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Cheapest flights from Greenville to SeattleExplore the most affordable flight options available from Greenville to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 16, 2026.
Explore the most affordable flight options available from Greenville to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 16, 2026.
This Delta deal was found by Cheapflights users on 5/13. 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 9/811:10 am
GSP
- SEA
1 stop10h 26m
Delta
Wed 9/166:00 am
SEA
- GSP
1 stop7h 13m
Delta
Deal found 5/13![Delta logo]()
$395
This Southwest deal was found by Cheapflights users on 5/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/308:25 am
GSP
- SEA
1 stop7h 55m
Southwest
Tue 7/75:00 am
SEA
- GSP
2 stops11h 00m
Southwest
Deal found 5/12![Southwest logo]()
$400
This Southwest deal was found by Cheapflights users on 5/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2912:50 pm
GSP
- SEA
2 stops11h 55m
Southwest
Tue 8/1111:05 pm
SEA
- GSP
2 stops10h 20m
Southwest
Deal found 5/12![Southwest logo]()
$405
This Southwest deal was found by Cheapflights users on 5/11. 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.
Tue 9/811:00 am
GSP
- SEA
1 stop12h 25m
Southwest
Wed 9/1611:05 pm
SEA
- GSP
2 stops10h 25m
Southwest
Deal found 5/11![Southwest logo]()
$406
This American Airlines deal was found by Cheapflights users on 5/13. 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 10/34:21 pm
GSP
- SEA
1 stop9h 35m
American Airlines
Wed 10/145:05 am
SEA
- GSP
1 stop8h 38m
American Airlines
Deal found 5/13![American Airlines logo]()
$408
This Southwest deal was found by Cheapflights users on 5/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:10 am
GSP
- SEA
1 stop7h 50m
Southwest
Sat 9/2611:05 pm
SEA
- GSP
2 stops10h 35m
Southwest
Deal found 5/12![Southwest logo]()
$413
This American Airlines deal was found by Cheapflights users on 5/15. 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 6/106:38 pm
GSP
- SEA
1 stop9h 03m
American Airlines
Wed 7/810:35 pm
SEA
- GSP
1 stop9h 15m
American Airlines
Deal found 5/15![American Airlines logo]()
$415
This American Airlines deal was found by Cheapflights users on 5/13. 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 8/175:29 pm
GSP
- SEA
1 stop7h 57m
American Airlines
Sat 8/295:05 am
SEA
- GSP
1 stop8h 30m
American Airlines
Deal found 5/13![American Airlines logo]()
$421
This American Airlines deal was found by Cheapflights users on 5/15. 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 6/306:38 pm
GSP
- SEA
1 stop9h 03m
American Airlines
Tue 7/75:05 am
SEA
- GSP
1 stop8h 32m
American Airlines
Deal found 5/15![American Airlines logo]()
$425
This American Airlines deal was found by Cheapflights users on 5/13. 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 7/105:27 pm
GSP
- SEA
1 stop10h 30m
American Airlines
Tue 7/145:05 am
SEA
- GSP
1 stop8h 32m
American Airlines
Deal found 5/13![American Airlines logo]()
$431
Best flights from Greenville to SeattleDiscover carefully curated flight deals from Greenville to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 16, 2026.
Discover carefully curated flight deals from Greenville to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 16, 2026.
This Delta deal was found by Cheapflights users on 5/13. 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 9/811:10 am
GSP
- SEA
1 stop10h 26m
Delta
Wed 9/166:00 am
SEA
- GSP
1 stop7h 13m
Delta
Deal found 5/13![Delta logo]()
$395
This Southwest deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:10 am
GSP
- SEA
2 stops12h 45m
Southwest
Sat 9/2611:05 pm
SEA
- GSP
2 stops10h 35m
Southwest
Deal found 5/15![Southwest logo]()
$418
This United Airlines deal was found by Cheapflights users on 5/12. 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.
Mon 8/175:50 am
GSP
- SEA
1 stop8h 42m
United Airlines
Fri 8/2811:00 pm
SEA
- GSP
2 stops12h 19m
United Airlines
Deal found 5/12![United Airlines logo]()
$559
This Southwest deal was found by Cheapflights users on 5/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:00 am
GSP
- SEA
2 stops9h 20m
Southwest
Fri 10/912:15 am
SEA
- GSP
2 stops8h 55m
Southwest
Deal found 5/12![Southwest logo]()
$418
This Delta deal was found by Cheapflights users on 5/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:20 pm
GSP
- SEA
1 stop9h 37m
Delta
Fri 8/287:16 am
SEA
- GSP
1 stop8h 48m
Delta
Deal found 5/12![Delta logo]()
$449
This Southwest deal was found by Cheapflights users on 5/15. 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 8/271:05 pm
GSP
- SEA
2 stops10h 40m
Southwest
Fri 9/45:15 am
SEA
- GSP
2 stops12h 00m
Southwest
Deal found 5/15![Southwest logo]()
$476
This Delta deal was found by Cheapflights users on 5/15. 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.
Thu 7/235:16 pm
GSP
- SEA
1 stop9h 43m
Delta
Mon 7/275:20 am
SEA
- GSP
1 stop9h 47m
Delta
Deal found 5/15![Delta logo]()
$493
This Southwest deal was found by Cheapflights users on 5/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/811:05 am
GSP
- SEA
1 stop8h 55m
Southwest
Sun 8/1611:00 pm
SEA
- GSP
1 stop10h 30m
Southwest
Deal found 5/12![Southwest logo]()
$482
This Southwest deal was found by Cheapflights users on 5/15. 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 6/1012:50 pm
GSP
- SEA
2 stops11h 55m
Southwest
Wed 7/810:45 pm
SEA
- GSP
1 stop10h 30m
Southwest
Deal found 5/15![Southwest logo]()
$487
This Southwest deal was found by Cheapflights users on 5/15. 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 7/171:55 pm
GSP
- SEA
2 stops12h 10m
Southwest
Tue 8/410:30 pm
SEA
- GSP
1 stop8h 45m
Southwest
Deal found 5/15![Southwest logo]()
$487
This Southwest deal was found by Cheapflights users on 5/13. 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.
Sun 6/71:55 pm
GSP
- SEA
1 stop8h 10m
Southwest
Mon 6/1511:05 pm
SEA
- GSP
2 stops11h 05m
Southwest
Deal found 5/13![Southwest logo]()
$524
Last-minute flights from Greenville to SeattleDiscover last-minute flight deals from Greenville to Seattle. Data last updated May 16, 2026 and is based on user searches.
Discover last-minute flight deals from Greenville to Seattle. Data last updated May 16, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/15. 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 5/228:45 am
GSP
- SEA
1 stop8h 39m
Delta
Sun 5/2411:30 am
SEA
- GSP
1 stop9h 18m
Delta
Deal found 5/15![Delta logo]()
$672
This Southwest deal was found by Cheapflights users on 5/15. 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 5/2212:35 pm
GSP
- SEA
2 stops9h 30m
Southwest
Sun 5/246:40 am
SEA
- GSP
2 stops10h 45m
Southwest
Deal found 5/15![Southwest logo]()
$772
This Delta deal was found by Cheapflights users on 5/11. 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.
Sat 5/236:45 am
GSP
- SEA
1 stop8h 41m
Delta
Mon 6/15:30 am
SEA
- GSP
1 stop9h 23m
Delta
Deal found 5/11![Delta logo]()
$670
This Delta deal was found by Cheapflights users on 5/11. 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.
Sat 5/236:45 am
GSP
- SEA
1 stop8h 41m
Delta
Sat 5/3011:05 pm
SEA
- GSP
1 stop8h 50m
Delta
Deal found 5/11![Delta logo]()
$753
This American Airlines deal was found by Cheapflights users on 5/14. 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 5/237:54 pm
GSP
- SEA
1 stop8h 05m
American Airlines
Mon 6/110:50 am
SEA
- GSP
1 stop7h 45m
American Airlines
Deal found 5/14![American Airlines logo]()
$786
This United Airlines deal was found by Cheapflights users on 5/13. 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 5/2310:46 am
GSP
- SEA
2 stops14h 22m
United Airlines
Mon 6/17:35 am
SEA
- GSP
1 stop8h 33m
United Airlines
Deal found 5/13![United Airlines logo]()
$792
This United Airlines deal was found by Cheapflights users on 5/13. 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 5/236:00 am
GSP
- SEA
2 stops15h 47m
United Airlines
Sat 5/305:20 pm
SEA
- GSP
2 stops13h 51m
United Airlines
Deal found 5/13![United Airlines logo]()
$798
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:20 pm
GSP
- SEA
1 stop10h 41m
Alaska Airlines
Mon 6/111:03 pm
SEA
- GSP
2 stops16h 08m
Alaska Airlines
Deal found 5/12![Alaska Airlines logo]()
$818
One-way flights from Greenville to SeattleSearch for one-way flight options from Greenville to Seattle. Find affordable one-way fares based on user searches. Data last updated May 16, 2026.
Search for one-way flight options from Greenville to Seattle. Find affordable one-way fares based on user searches. Data last updated May 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 8/108:28 pm
GSP
- SEA
2 stops41h 11m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/158:28 pm
GSP
- SEA
2 stops41h 07m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 9/78:28 pm
GSP
- SEA
2 stops40h 32m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$197
This American Airlines deal was found by Cheapflights users on 5/15. 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 6/235:25 pm
GSP
- SEA
1 stop10h 34m
American Airlines
Deal found 5/15![American Airlines logo]()
$198
This United Airlines deal was found by Cheapflights users on 5/12. 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.
Wed 9/306:46 am
GSP
- SEA
2 stops12h 05m
United Airlines
Deal found 5/12![United Airlines logo]()
$203
This American Airlines deal was found by Cheapflights users on 5/14. 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 7/158:01 pm
GSP
- SEA
1 stop7h 56m
American Airlines
Deal found 5/14![American Airlines logo]()
$207
This American Airlines deal was found by Cheapflights users on 5/13. 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 6/107:55 pm
GSP
- SEA
1 stop8h 04m
American Airlines
Deal found 5/13![American Airlines logo]()
$210
This American Airlines deal was found by Cheapflights users on 5/12. 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 7/168:01 pm
GSP
- SEA
1 stop7h 56m
American Airlines
Deal found 5/12![American Airlines logo]()
$211
This Southwest deal was found by Cheapflights users on 5/15. 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 9/85:30 pm
GSP
- SEA
2 stops9h 05m
Southwest
Deal found 5/15![Southwest logo]()
$216
This Southwest deal was found by Cheapflights users on 5/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/231:50 pm
GSP
- SEA
2 stops12h 40m
Southwest
Deal found 5/12![Southwest logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 7/206:19 pm
GSP
- SEA
2 stops19h 20m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/98:25 am
GSP
- SEA
2 stops36h 47m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$224
Find flight deals from Greenville to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Greenville (GSP) to Seattle (SEA). 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 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $395 (Delta) |
One-way from | $190 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $578 |
Cheapflights Fare Finder
Customize your flight search to find flights from Greenville to Seattle 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 16, 2026.
Use the filters below to find and compare flights from Greenville to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
GreenvilleSeattle
GSP - SEA
GSPSEA
Greenville
Tue 9/8
11:10 am-6:36 pm
1 stop10h 26m
Seattle/Tacoma Intl
Wed 9/16
6:00 am-4:13 pm
1 stop7h 13m
$395
GreenvilleSeattle
GSP - SEA
GSPSEA
Greenville
Wed 9/16
8:10 am-5:55 pm
2 stops12h 45m
Seattle/Tacoma Intl
Sat 9/26
11:05 pm-12:40 pm
2 stops10h 35m
$418
GreenvilleSeattle
GSP - SEA
GSPSEA
Greenville
Wed 9/30
7:00 am-1:20 pm
2 stops9h 20m
Seattle/Tacoma Intl
Fri 10/9
12:15 am-12:10 pm
2 stops8h 55m
$418
GreenvilleSeattle
GSP - SEA
GSPSEA
Greenville
Mon 8/17
5:20 pm-11:57 pm
1 stop9h 37m
Seattle/Tacoma Intl
Fri 8/28
7:16 am-7:04 pm
1 stop8h 48m
$449
GreenvilleSeattle
GSP - SEA
GSPSEA
Greenville
Thu 8/27
1:05 pm-8:45 pm
2 stops10h 40m
Seattle/Tacoma Intl
Fri 9/4
5:15 am-8:15 pm
2 stops12h 00m
$476
GreenvilleSeattle
GSP - SEA
GSPSEA
Greenville
Sat 8/8
11:05 am-5:00 pm
1 stop8h 55m
Seattle/Tacoma Intl
Sun 8/16
11:00 pm-12:30 pm
1 stop10h 30m
$482
GreenvilleSeattle
GSP - SEA
GSPSEA
Greenville
Wed 6/10
12:50 pm-9:45 pm
2 stops11h 55m
Seattle/Tacoma Intl
Wed 7/8
10:45 pm-12:15 pm
1 stop10h 30m
$487
GreenvilleSeattle
GSP - SEA
GSPSEA
Greenville
Fri 7/17
1:55 pm-11:05 pm
2 stops12h 10m
Seattle/Tacoma Intl
Tue 8/4
10:30 pm-10:15 am
1 stop8h 45m
$487
GreenvilleSeattle
GSP - SEA
GSPSEA
Greenville
Thu 7/23
5:16 pm-11:59 pm
1 stop9h 43m
Seattle/Tacoma Intl
Mon 7/27
5:20 am-6:07 pm
1 stop9h 47m
$493
GreenvilleSeattle
GSP - SEA
GSPSEA
Greenville
Sun 6/7
1:55 pm-7:05 pm
1 stop8h 10m
Seattle/Tacoma Intl
Mon 6/15
11:05 pm-1:10 pm
2 stops11h 05m
$524
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Greenville to Seattle
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 Seattle 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-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Greenville-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Greenville-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Greenville-Seattle 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-Seattle 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 Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Greenville with our price prediction graph.
GSP-SEA
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 Seattle
How far ahead should I book a flight from Greenville to Seattle?
To ensure you get the cheapest price possible for a flight from Greenville to Seattle, you should look to book at least 42 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Greenville to Seattle?
Currently, February is the cheapest month in which you can book a flight from Greenville to Seattle (average of $402). Flying from Greenville to Seattle in December is currently the most expensive (average of $661). 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 Seattle?
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated May 16, 2026.
Read through reviews of airlines operating flights from Greenville to Seattle, such as Southwest,Alaska Airlines, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Greenville to Seattle. 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 Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Tacoma
Ocean Shores
Olympia
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Marysville
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Greenville and Seattle flights
Browse other Greenville and Seattle flight options. Last updated on May 16, 2026.
Other flights from Greenville
Browse through other flights departing from Greenville. Flights are based on user searches made on Cheapflights and were last updated on May 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 16, 2026.
Top 5 airlines flying from Greenville to Seattle
Discover the top 5 airlines that operate flights from Greenville to Seattle. 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 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$223 | Average$478 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$325 | Average$474 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$346 | Average$476 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$408 | Average$488 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$491 | Average$633 | FlexibilityNo cancel fee | On-time75% |