$185+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — SEA
Sep 8 — Sep 151
Round-trip
1 adult, Economy
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Find cheap flights from Greenville to Seattle 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 Greenville to Seattle
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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 August 9, 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 August 9, 2026.
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Thu 8/2711:25 am -
1 stop10h 16m
Sat 9/55:00 am -
1 stop6h 48m
Deal found 8/6![United Airlines logo]()
$380
This Delta deal was found by Cheapflights users on 8/8. 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.
Fri 9/115:45 am -
1 stop7h 05m
Sat 9/2611:59 pm -
1 stop6h 26m
Deal found 8/8![Delta logo]()
$389
This Southwest deal was found by Cheapflights users on 8/5. 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 9/111:00 am -
2 stops9h 55m
Sat 9/511:05 pm -
2 stops11h 35m
Deal found 8/5![Southwest logo]()
$390
This United Airlines deal was found by Cheapflights users on 8/4. 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 8/274:33 pm -
1 stop9h 31m
Mon 9/711:00 pm -
1 stop7h 35m
Deal found 8/4![United Airlines logo]()
$391
This United Airlines deal was found by Cheapflights users on 8/4. 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 9/210:33 am -
2 stops10h 09m
Wed 9/911:04 pm -
1 stop7h 44m
Deal found 8/4![United Airlines logo]()
$396
This Southwest deal was found by Cheapflights users on 8/4. 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 9/28:15 am -
2 stops12h 40m
Wed 9/911:05 pm -
2 stops10h 25m
Deal found 8/4![Southwest logo]()
$401
This Delta deal was found by Cheapflights users on 8/4. 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.
Fri 8/285:46 am -
1 stop7h 03m
Sat 9/56:00 am -
1 stop7h 15m
Deal found 8/4![Delta logo]()
$402
This Delta deal was found by Cheapflights users on 8/8. 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.
Wed 9/95:45 am -
1 stop7h 05m
Sat 9/2611:59 pm -
1 stop6h 26m
Deal found 8/8![Delta logo]()
$409
This Southwest deal was found by Cheapflights users on 8/6. 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 8/278:40 am -
2 stops11h 55m
Sat 9/511:05 pm -
2 stops11h 35m
Deal found 8/6![Southwest logo]()
$412
This American Airlines deal was found by Cheapflights users on 8/3. 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.
Thu 8/276:34 pm -
1 stop8h 01m
Fri 9/411:56 pm -
1 stop8h 04m
Deal found 8/3![American Airlines logo]()
$413
This United Airlines deal was found by Cheapflights users on 8/8. 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 9/110:33 am -
1 stop8h 34m
Sat 9/57:00 am -
1 stop7h 02m
Deal found 8/8![United Airlines logo]()
$414
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 August 9, 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 August 9, 2026.
This Delta deal was found by Cheapflights users on 8/8. 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.
Fri 9/115:45 am -
1 stop7h 05m
Sat 10/310:59 pm -
1 stop7h 26m
Deal found 8/8![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 8/5. 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.
Wed 9/210:33 am -
2 stops10h 09m
Wed 9/911:00 pm -
1 stop7h 35m
Deal found 8/5![United Airlines logo]()
$396
This Southwest deal was found by Cheapflights users on 8/8. 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 9/111:00 am -
2 stops9h 55m
Sat 9/511:05 pm -
2 stops11h 35m
Deal found 8/8![Southwest logo]()
$461
This United Airlines deal was found by Cheapflights users on 8/8. 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 9/16:30 am -
2 stops10h 54m
Sat 9/57:00 am -
1 stop7h 02m
Deal found 8/8![United Airlines logo]()
$419
This Southwest deal was found by Cheapflights users on 8/4. 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 9/31:05 pm -
2 stops10h 50m
Tue 9/811:05 pm -
2 stops10h 20m
Deal found 8/4![Southwest logo]()
$488
This Southwest deal was found by Cheapflights users on 8/7. 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.
Thu 8/277:00 am -
1 stop9h 55m
Mon 8/3110:30 pm -
1 stop8h 45m
Deal found 8/7![Southwest logo]()
$494
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Mon 12/148:40 am -
1 stop10h 24m
Fri 12/257:00 am -
2 stops12h 33m
Deal found 8/6![United Airlines logo]()
$495
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Mon 8/3110:33 am -
2 stops14h 18m
Wed 9/27:00 am -
1 stop7h 02m
Deal found 8/6![United Airlines logo]()
$506
This United Airlines deal was found by Cheapflights users on 8/4. 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 9/2310:33 am -
2 stops14h 18m
Sat 9/267:25 pm -
2 stops11h 33m
Deal found 8/4![United Airlines logo]()
$511
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:33 am -
2 stops10h 56m
Tue 9/15:00 am -
2 stops13h 07m
Deal found 8/4![United Airlines logo]()
$511
Last-minute flights from Greenville to SeattleDiscover last-minute flight deals from Greenville to Seattle. Data last updated August 9, 2026 and is based on user searches.
Discover last-minute flight deals from Greenville to Seattle. Data last updated August 9, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Thu 8/2711:25 am -
1 stop10h 16m
Sat 9/55:00 am -
1 stop6h 48m
Deal found 8/6![United Airlines logo]()
$380
This United Airlines deal was found by Cheapflights users on 8/4. 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 8/274:33 pm -
1 stop9h 31m
Mon 9/711:00 pm -
1 stop7h 35m
Deal found 8/4![United Airlines logo]()
$391
This Southwest deal was found by Cheapflights users on 8/6. 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 8/278:40 am -
2 stops11h 55m
Sat 9/511:05 pm -
2 stops11h 35m
Deal found 8/6![Southwest logo]()
$412
This American Airlines deal was found by Cheapflights users on 8/3. 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.
Thu 8/276:34 pm -
1 stop8h 01m
Fri 9/411:56 pm -
1 stop8h 04m
Deal found 8/3![American Airlines logo]()
$413
This Delta deal was found by Cheapflights users on 8/4. 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.
Fri 8/285:46 am -
1 stop7h 03m
Sat 9/56:00 am -
1 stop7h 15m
Deal found 8/4![Delta logo]()
$402
This Southwest deal was found by Cheapflights users on 8/5. 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 9/111:00 am -
2 stops9h 55m
Sat 9/511:05 pm -
2 stops11h 35m
Deal found 8/5![Southwest logo]()
$390
This United Airlines deal was found by Cheapflights users on 8/8. 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 9/110:33 am -
1 stop8h 34m
Sat 9/57:00 am -
1 stop7h 02m
Deal found 8/8![United Airlines logo]()
$414
This United Airlines deal was found by Cheapflights users on 8/4. 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 9/210:33 am -
2 stops10h 09m
Wed 9/911:04 pm -
1 stop7h 44m
Deal found 8/4![United Airlines logo]()
$396
This Southwest deal was found by Cheapflights users on 8/5. 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 9/28:15 am -
2 stops12h 40m
Wed 9/911:05 pm -
2 stops10h 25m
Deal found 8/5![Southwest logo]()
$401
This Delta deal was found by Cheapflights users on 8/8. 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.
Wed 9/95:45 am -
1 stop7h 05m
Sat 9/2611:59 pm -
1 stop6h 26m
Deal found 8/8![Delta logo]()
$409
This Delta deal was found by Cheapflights users on 8/8. 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.
Fri 9/115:45 am -
1 stop7h 05m
Sat 9/2611:59 pm -
1 stop6h 26m
Deal found 8/8![Delta logo]()
$389
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 August 9, 2026.
Search for one-way flight options from Greenville to Seattle. Find affordable one-way fares based on user searches. Data last updated August 9, 2026.
This Delta deal was found by Cheapflights users on 8/4. 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.
Fri 9/115:45 am -
1 stop7h 05m
Deal found 8/4![Delta logo]()
$185
This Southwest deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:40 am -
2 stops11h 55m
Deal found 8/4![Southwest logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Tue 9/111:07 am -
2 stops25h 12m
Deal found 8/6![Multiple Airlines logo]()
$193
This Delta deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:00 pm -
1 stop8h 05m
Deal found 8/6![Delta logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Fri 9/112:18 pm -
3 stops31h 18m
Deal found 8/4![Multiple Airlines logo]()
$200
This Southwest deal was found by Cheapflights users on 8/7. 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.
Sat 10/1712:45 pm -
2 stops11h 50m
Deal found 8/7![Southwest logo]()
$201
This American Airlines deal was found by Cheapflights users on 8/4. 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.
Fri 9/113:32 pm -
1 stop7h 35m
Deal found 8/4![American Airlines logo]()
$205
This Southwest deal was found by Cheapflights users on 8/8. 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 10/137:00 am -
2 stops10h 20m
Deal found 8/8![Southwest logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 8/308:37 am -
3 stops51h 42m
Deal found 8/6![Multiple Airlines logo]()
$221
This American Airlines deal was found by Cheapflights users on 8/8. 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.
Sat 8/2911:52 am -
1 stop9h 56m
Deal found 8/8![American Airlines logo]()
$230
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Sat 8/2910:17 am -
2 stops10h 25m
Deal found 8/8![United Airlines logo]()
$235
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 August 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $380 (United Airlines) |
One-way from | $185 (Delta) |
Popular in | December |
Cheapest in | February |
Average price | $513 |
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 August 9, 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 Greenville - SEA Seattle/Tacoma Intl
GSPSEA
Greenville
Fri 9/11
5:45 am-9:50 am
1 stop7h 05m
Seattle/Tacoma Intl
Sat 10/3
10:59 pm-9:25 am
1 stop7h 26m
$389
GreenvilleSeattle
GSP Greenville - SEA Seattle/Tacoma Intl
GSPSEA
Greenville
Wed 9/2
10:33 am-5:42 pm
2 stops10h 09m
Seattle/Tacoma Intl
Wed 9/9
11:00 pm-9:35 am
1 stop7h 35m
$396
GreenvilleSeattle
GSP Greenville - SEA Seattle/Tacoma Intl
GSPSEA
Greenville
Tue 9/1
6:30 am-2:24 pm
2 stops10h 54m
Seattle/Tacoma Intl
Sat 9/5
7:00 am-5:02 pm
1 stop7h 02m
$419
GreenvilleSeattle
GSP Greenville - SEA Seattle/Tacoma Intl
GSPSEA
Greenville
Tue 9/1
11:00 am-5:55 pm
2 stops9h 55m
Seattle/Tacoma Intl
Sat 9/5
11:05 pm-1:40 pm
2 stops11h 35m
$461
GreenvilleSeattle
GSP Greenville - SEA Seattle/Tacoma Intl
GSPSEA
Greenville
Thu 9/3
1:05 pm-8:55 pm
2 stops10h 50m
Seattle/Tacoma Intl
Tue 9/8
11:05 pm-12:25 pm
2 stops10h 20m
$488
GreenvilleSeattle
GSP Greenville - SEA Seattle/Tacoma Intl
GSPSEA
Greenville
Thu 8/27
7:00 am-1:55 pm
1 stop9h 55m
Seattle/Tacoma Intl
Mon 8/31
10:30 pm-10:15 am
1 stop8h 45m
$494
GreenvilleSeattle
GSP Greenville - SEA Seattle/Tacoma Intl
GSPSEA
Greenville
Mon 12/14
8:40 am-4:04 pm
1 stop10h 24m
Seattle/Tacoma Intl
Fri 12/25
7:00 am-10:33 pm
2 stops12h 33m
$495
GreenvilleSeattle
GSP Greenville - SEA Seattle/Tacoma Intl
GSPSEA
Greenville
Mon 8/31
10:33 am-9:51 pm
2 stops14h 18m
Seattle/Tacoma Intl
Wed 9/2
7:00 am-5:02 pm
1 stop7h 02m
$506
GreenvilleSeattle
GSP Greenville - SEA Seattle/Tacoma Intl
GSPSEA
Greenville
Wed 9/23
10:33 am-9:51 pm
2 stops14h 18m
Seattle/Tacoma Intl
Sat 9/26
7:25 pm-9:58 am
2 stops11h 33m
$511
GreenvilleSeattle
GSP Greenville - SEA Seattle/Tacoma Intl
GSPSEA
Greenville
Tue 8/25
10:33 am-6:29 pm
2 stops10h 56m
Seattle/Tacoma Intl
Tue 9/1
5:00 am-9:07 pm
2 stops13h 07m
$511
Showing 1-10 of 21 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 August.
| 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 34 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?
Airfare is below average for this route at the moment.
Greenville to Seattle flights typically cost between $466 and $574 in August.The cheapest round-trip price found within the last 5 days was $380 on United Airlines (Aug 27-Sep 5).
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 August 9, 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.
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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.
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Book flights to Seattle if you plan to visit one of these locationsSeaTac
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Greenville and Seattle flights
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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 August 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$258 | Average$488 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$336 | Average$466 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$358 | Average$517 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$443 | Average$520 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$566 | Average$661 | FlexibilityNo cancel fee | On-time75% |