$168+ Cheap flights from Seattle to Greenville (SEA - GSP)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GSP
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Greenville with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Seattle to Greenville
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Best
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One-way
Cheapest flights from Seattle to GreenvilleExplore the most affordable flight options available from Seattle to Greenville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
Explore the most affordable flight options available from Seattle to Greenville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
This American Airlines deal was found by Cheapflights users on 9/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:12 am -
1 stop8h 56m
Thu 11/53:58 pm -
1 stop10h 12m
Deal found 9/3![American Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 9/4. 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.
Thu 10/296:00 am -
1 stop9h 12m
Thu 11/55:40 am -
1 stop7h 23m
Deal found 9/4![Delta logo]()
$389
This American Airlines deal was found by Cheapflights users on 9/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:31 am -
1 stop9h 29m
Sat 10/246:43 pm -
1 stop8h 53m
Deal found 9/7![American Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 9/7. 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.
Mon 10/1912:10 am -
2 stops9h 30m
Sat 10/246:40 am -
2 stops10h 15m
Deal found 9/7![Southwest logo]()
$419
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/305:30 am -
1 stop8h 04m
Tue 10/65:25 pm -
1 stop9h 45m
Deal found 9/5![American Airlines logo]()
$421
This Delta deal was found by Cheapflights users on 9/7. 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.
Sat 10/316:00 am -
1 stop8h 40m
Tue 11/37:20 am -
1 stop10h 25m
Deal found 9/7![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 9/7. 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.
Thu 10/296:00 am -
1 stop9h 12m
Tue 11/37:20 am -
1 stop10h 25m
Deal found 9/7![Delta logo]()
$431
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/2910:26 am -
1 stop8h 39m
Thu 11/57:02 am -
1 stop10h 18m
Deal found 9/5![American Airlines logo]()
$433
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:42 am -
1 stop7h 35m
Sat 10/246:20 am -
2 stops10h 57m
Deal found 9/7![United Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:30 am -
2 stops10h 29m
Tue 11/34:29 pm -
1 stop7h 50m
Deal found 9/7![United Airlines logo]()
$436
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Sun 10/1811:59 pm -
1 stop8h 09m
Wed 10/216:43 pm -
1 stop8h 53m
Deal found 9/5![American Airlines logo]()
$443
Best flights from Seattle to GreenvilleDiscover carefully curated flight deals from Seattle to Greenville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from Seattle to Greenville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This Delta deal was found by Cheapflights users on 9/4. 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.
Thu 10/296:00 am -
1 stop9h 12m
Thu 11/55:40 am -
1 stop7h 23m
Deal found 9/4![Delta logo]()
$389
This Southwest deal was found by Cheapflights users on 9/7. 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.
Mon 10/1912:10 am -
2 stops9h 30m
Sat 10/246:40 am -
2 stops10h 15m
Deal found 9/7![Southwest logo]()
$419
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Wed 9/306:30 am -
2 stops11h 47m
Tue 10/611:30 am -
1 stop9h 49m
Deal found 9/3![United Airlines logo]()
$484
This Southwest deal was found by Cheapflights users on 9/2. 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.
Fri 10/99:00 am -
2 stops10h 50m
Mon 10/121:05 pm -
2 stops14h 35m
Deal found 9/2![Southwest logo]()
$503
This Delta deal was found by Cheapflights users on 9/7. 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.
Tue 9/226:00 am -
1 stop8h 46m
Tue 9/295:45 am -
1 stop7h 05m
Deal found 9/7![Delta logo]()
$521
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 10/297:35 pm -
2 stops10h 55m
Thu 11/54:29 pm -
1 stop9h 46m
Deal found 9/3![United Airlines logo]()
$529
This Southwest deal was found by Cheapflights users on 9/4. 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.
Thu 10/229:00 am -
2 stops10h 50m
Thu 10/291:05 pm -
2 stops10h 30m
Deal found 9/4![Southwest logo]()
$516
This Delta deal was found by Cheapflights users on 9/7. 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.
Wed 9/2311:35 am -
1 stop8h 20m
Sat 10/35:00 pm -
1 stop7h 49m
Deal found 9/7![Delta logo]()
$521
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Sun 10/1810:48 pm -
1 stop8h 57m
Wed 10/216:20 am -
2 stops16h 09m
Deal found 9/5![United Airlines logo]()
$578
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Wed 9/168:40 am -
2 stops10h 18m
Sun 10/116:20 am -
1 stop8h 07m
Deal found 9/6![United Airlines logo]()
$605
Last-minute flights from Seattle to GreenvilleDiscover last-minute flight deals from Seattle to Greenville. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Greenville. Data last updated September 7, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/305:30 am -
1 stop8h 04m
Tue 10/65:25 pm -
1 stop9h 45m
Deal found 9/5![American Airlines logo]()
$421
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Sun 10/1811:59 pm -
1 stop8h 09m
Wed 10/216:43 pm -
1 stop8h 53m
Deal found 9/5![American Airlines logo]()
$443
This Southwest deal was found by Cheapflights users on 9/7. 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.
Mon 10/1912:10 am -
2 stops9h 30m
Sat 10/246:40 am -
2 stops10h 15m
Deal found 9/7![Southwest logo]()
$419
This American Airlines deal was found by Cheapflights users on 9/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:31 am -
1 stop9h 29m
Sat 10/246:43 pm -
1 stop8h 53m
Deal found 9/7![American Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:42 am -
1 stop7h 35m
Sat 10/246:20 am -
2 stops10h 57m
Deal found 9/7![United Airlines logo]()
$434
This American Airlines deal was found by Cheapflights users on 9/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:12 am -
1 stop8h 56m
Thu 11/53:58 pm -
1 stop10h 12m
Deal found 9/3![American Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 9/4. 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.
Thu 10/296:00 am -
1 stop9h 12m
Thu 11/55:40 am -
1 stop7h 23m
Deal found 9/4![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 9/7. 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.
Thu 10/296:00 am -
1 stop9h 12m
Tue 11/37:20 am -
1 stop10h 25m
Deal found 9/7![Delta logo]()
$431
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/2910:26 am -
1 stop8h 39m
Thu 11/57:02 am -
1 stop10h 18m
Deal found 9/5![American Airlines logo]()
$433
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:30 am -
2 stops10h 29m
Tue 11/34:29 pm -
1 stop7h 50m
Deal found 9/7![United Airlines logo]()
$436
This Delta deal was found by Cheapflights users on 9/7. 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.
Sat 10/316:00 am -
1 stop8h 40m
Tue 11/37:20 am -
1 stop10h 25m
Deal found 9/7![Delta logo]()
$429
One-way flights from Seattle to GreenvilleSearch for one-way flight options from Seattle to Greenville. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from Seattle to Greenville. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:27 pm -
3 stops48h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:27 pm -
2 stops24h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$200
This Southwest deal was found by Cheapflights users on 9/4. 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 9/305:20 am -
2 stops11h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Southwest logo]()
$201
This Delta deal was found by Cheapflights users on 9/7. 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 9/2811:05 pm -
1 stop8h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Delta logo]()
$217
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Sat 10/37:25 pm -
2 stops11h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![United Airlines logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Wed 11/44:27 pm -
3 stops36h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:27 pm -
3 stops44h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$231
This American Airlines deal was found by Cheapflights users on 9/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:14 am -
1 stop6h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![American Airlines logo]()
$239
This United Airlines deal was found by Cheapflights users on 9/3. 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 9/2811:13 pm -
1 stop7h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![United Airlines logo]()
$240
Find flight deals from Seattle to Greenville
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Greenville (GSP). 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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $369 (American Airlines) |
One-way from | $168 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $438 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Greenville 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 7,457,451 searches. Data last updated September 7, 2026.
Use the filters below to find and compare flights from Seattle to Greenville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleGreenville
SEA Seattle/Tacoma Intl - GSP Greenville
SEAGSP
Seattle/Tacoma Intl
Wed 9/30
5:20 am-7:30 pm
2 stops11h 10m
Greenville
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$201
SeattleGreenville
SEA Seattle/Tacoma Intl - GSP Greenville
SEAGSP
Seattle/Tacoma Intl
Mon 9/28
11:05 pm-10:24 am
1 stop8h 19m
Greenville
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$217
SeattleGreenville
SEA Seattle/Tacoma Intl - GSP Greenville
SEAGSP
Seattle/Tacoma Intl
Tue 9/29
11:35 am-10:55 pm
1 stop8h 20m
Greenville
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$217
SeattleGreenville
SEA Seattle/Tacoma Intl - GSP Greenville
SEAGSP
Seattle/Tacoma Intl
Sat 10/3
7:25 pm-9:58 am
2 stops11h 33m
Greenville
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$222
Quickest round-trip
SeattleGreenville
SEA Seattle/Tacoma Intl - GSP Greenville
SEAGSP
Seattle/Tacoma Intl
Mon 9/28
11:13 pm-9:58 am
1 stop7h 45m
Greenville
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$240
SeattleGreenville
SEA Seattle/Tacoma Intl - GSP Greenville
SEAGSP
Seattle/Tacoma Intl
Thu 11/5
9:10 am-10:55 pm
2 stops10h 45m
Greenville
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$244
SeattleGreenville
SEA Seattle/Tacoma Intl - GSP Greenville
SEAGSP
Seattle/Tacoma Intl
Wed 9/23
4:27 pm-9:50 pm
2 stops26h 23m
Greenville
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$259
SeattleGreenville
SEA Seattle/Tacoma Intl - GSP Greenville
SEAGSP
Seattle/Tacoma Intl
Sat 10/24
10:26 am-10:05 pm
1 stop8h 39m
Greenville
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$260
SeattleGreenville
SEA Seattle/Tacoma Intl - GSP Greenville
SEAGSP
Seattle/Tacoma Intl
Fri 9/25
10:48 pm-10:45 am
1 stop8h 57m
Greenville
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$272
SeattleGreenville
SEA Seattle/Tacoma Intl - GSP Greenville
SEAGSP
Seattle/Tacoma Intl
Thu 10/29
6:00 am-6:12 pm
1 stop9h 12m
Greenville
Thu 11/5
5:40 am-10:03 am
1 stop7h 23m
$389
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Seattle to Greenville
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 Seattle to Greenville in September.
| 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 Seattle-Greenville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Greenville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Greenville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Greenville 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 Seattle-Greenville 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 Seattle to Greenville
Have a flexible travel schedule? Discover the best time to fly to Greenville from Seattle with our price prediction graph.
SEA-GSP
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 Seattle to Greenville
How far ahead should I book a flight from Seattle to Greenville?
The best time to book flights from Seattle to Greenville is 74 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Seattle to Greenville?
Currently, November is the cheapest month in which you can book a flight from Seattle to Greenville (average of $358). Flying from Seattle to Greenville in June is currently the most expensive (average of $651). 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 Seattle to Greenville?
Airfare is below average for this route at the moment.
Seattle to Greenville flights typically cost between $397 and $499 in October.The cheapest round-trip price found within the last 5 days was $369 on American Airlines (Oct 28-Nov 5).
Reviews of airlines servicing Greenville
Get insights into the airlines that provide service to Greenville. 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 Greenville. Reviews last updated September 7, 2026.
Read through reviews of airlines operating flights from Seattle to Greenville, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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Simpsonville
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$304 | Average$520 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$324 | Average$513 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$368 | Average$618 | FlexibilityNo cancel fee | On-timeN/A |