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$142+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — SEA
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Greenville to Seattle/Tacoma Intl are usually found in September or November, booked 70 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap 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 14, 2025.

Round-trip from

$283
(Delta)

One-way from

$142
(American Airlines)

Popular in

June

Cheapest in

September

Average price

$486
From Greenville to Seattle/Tacoma Intl
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One-way flight from Greenville to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 12% potential increase in price ($66 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Greenville to Seattle

Cheapest flights from Greenville to Seattle
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 14, 2025.

This Delta deal was found by Cheapflights users on 8/13. 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 10/285:30 amGSP - SEA
1 stop7h 44mDelta
Tue 11/41:40 pmSEA - GSP
1 stop7h 14mDelta
Deal found 8/13$283
This Delta deal was found by Cheapflights users on 8/13. 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.
Wed 10/297:30 amGSP - SEA
1 stop10h 05mDelta
Sat 11/111:40 amSEA - GSP
1 stop9h 14mDelta
Deal found 8/13$304
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/306:13 pmGSP - SEA
1 stop8h 41mDelta
Sun 10/511:20 pmSEA - GSP
1 stop7h 49mDelta
Deal found 8/14$310
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:05 amGSP - SEA
1 stop10h 35mDelta
Mon 10/611:10 pmSEA - GSP
1 stop6h 49mDelta
Deal found 8/14$325
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Sun 9/145:46 pmGSP - SEA
1 stop8h 13mAmerican Airlines
Fri 9/2611:05 pmSEA - GSP
1 stop10h 23mAmerican Airlines
Deal found 8/13$337
This American Airlines deal was found by Cheapflights users on 8/13. 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 10/114:46 pmGSP - SEA
1 stop9h 49mAmerican Airlines
Tue 10/1412:34 amSEA - GSP
1 stop7h 22mAmerican Airlines
Deal found 8/13$341
This American Airlines deal was found by Cheapflights users on 8/13. 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 10/105:55 pmGSP - SEA
1 stop8h 04mAmerican Airlines
Tue 10/1412:34 amSEA - GSP
1 stop7h 22mAmerican Airlines
Deal found 8/13$347
This Delta deal was found by Cheapflights users on 8/13. 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 10/287:30 amGSP - SEA
1 stop10h 05mDelta
Wed 10/297:25 amSEA - GSP
2 stops13h 29mDelta
Deal found 8/13$351
This Delta deal was found by Cheapflights users on 8/13. 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.
Thu 10/307:30 amGSP - SEA
1 stop10h 05mDelta
Tue 11/47:25 amSEA - GSP
2 stops13h 29mDelta
Deal found 8/13$352
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Tue 10/146:00 amGSP - SEA
1 stop8h 30mAmerican Airlines
Sat 10/1812:34 amSEA - GSP
1 stop7h 22mAmerican Airlines
Deal found 8/13$355
This Delta deal was found by Cheapflights users on 8/13. 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.
Sun 10/265:30 amGSP - SEA
1 stop7h 44mDelta
Sun 11/21:40 pmSEA - GSP
1 stop7h 14mDelta
Deal found 8/13$358

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 14, 2025.
Use the filters below to find and compare flights from Greenville to Seattle that are best for you.

Fly from

Greenville

Fly to

Seattle

Route

Depart

Return

Price

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Tue 10/28

7:30 am-2:35 pm

1 stop10h 05m

Seattle/Tacoma Intl

Wed 10/29

6:00 am-5:41 pm

1 stop8h 41m

$283

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Wed 1/28

7:15 am-2:24 pm

1 stop10h 09m

Seattle/Tacoma Intl

Tue 2/10

1:45 pm-11:36 pm

1 stop6h 51m

$283

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Wed 10/29

11:04 am-3:50 pm

1 stop7h 46m

Seattle/Tacoma Intl

Tue 11/4

11:40 am-11:54 pm

1 stop9h 14m

$283

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Tue 10/28

5:30 am-10:14 am

1 stop7h 44m

Seattle/Tacoma Intl

Tue 11/4

1:40 pm-11:54 pm

1 stop7h 14m

$283

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Sat 10/4

8:05 am-3:18 pm

1 stop10h 13m

Seattle/Tacoma Intl

Mon 10/6

12:34 am-10:56 am

1 stop7h 22m

$304

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Wed 10/29

7:19 am-2:46 pm

1 stop10h 27m

Seattle/Tacoma Intl

Fri 10/31

12:34 am-10:56 am

1 stop7h 22m

$304

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Sat 9/13

12:59 pm-10:04 pm

1 stop12h 05m

Seattle/Tacoma Intl

Wed 9/17

11:05 pm-12:28 pm

1 stop10h 23m

$304

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Wed 10/29

7:30 am-2:35 pm

1 stop10h 05m

Seattle/Tacoma Intl

Sat 11/1

11:40 am-11:54 pm

1 stop9h 14m

$304

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Tue 10/28

7:30 am-2:35 pm

1 stop10h 05m

Seattle/Tacoma Intl

Sat 11/1

6:00 am-5:41 pm

1 stop8h 41m

$304

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Sat 11/1

8:30 am-3:50 pm

1 stop10h 20m

Seattle/Tacoma Intl

Tue 11/4

11:40 am-11:54 pm

1 stop9h 14m

$304

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 21 results
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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.
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?

Use this chart to determine the optimal time to book a round-trip flight from Greenville to Seattle. Price data was last updated on August 8, 2025.

To ensure you get the cheapest price possible for a flight from Greenville to Seattle, you should look to book at least 70 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, January is the cheapest month in which you can book a flight from Greenville to Seattle (average of $238). Flying from Greenville to Seattle in June is currently the most expensive (average of $389). 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.

What is the cheapest time of day to fly from GSP to SEA?

Find hourly flight availability from Greenville to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

It’s typically best to fly out from Greenville to Seattle in the afternoon. Doing so could potentially save you 10% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Greenville to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Greenville to Seattle. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Greenville to Seattle flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

What’s the top layover airport for flights from Greenville to Seattle?

Share of 1-stop round-trip flights from Greenville to Seattle chosen by Cheapflights users in the past 12 months, using the same layover each way.

Chicago (ORD) – chosen by Cheapflights users on 50% of 1-stop itineraries from Greenville to Seattle on Cheapflights.

What’s the cheapest layover airport for flights from Greenville to Seattle?

Average round-trip fare for 1-stop flights from Greenville to Seattle, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Washington, D.C. (IAD) is the most affordable 1-stop option, with an average round-trip price of $456.

What’s the fastest layover option from Greenville to Seattle?

Shortest average travel time for 1-stop one-way flights from Greenville to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 8h 18m.

Which airport typically offers the quickest layover for flights from Greenville to Seattle?

Average layover duration for 1-stop one-way flights from Greenville to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Washington, D.C. (IAD) offer the fastest connection on this route, with an average layover time of 1h 07m.

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 14, 2025.
Read through reviews of airlines operating flights from Greenville to Seattle, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Southwest
8.0
Very good
4,244 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
United Airlines
7.4
Good
8,916 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

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.

  • What are the cheapest airlines flying from Greenville to Seattle round-trip?

    Flying on Delta is currently your cheapest option to Seattle, with prices starting at $238. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $330 and $344, respectively. These flights start at 49% lower than the current average price 3 months from now.

  • Can I find deals for flights from Greenville to Seattle that include hotel bookings?

    Yes. In addition to deals on Greenville to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Greenville to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Greenville to Seattle.

  • Can I find deals for business class flights from Greenville to Seattle?

    Yes. Cheapflights offers flight deals from Greenville to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Greenville to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Greenville to Seattle (average of $238). Flying from Greenville to Seattle in June is currently the most expensive (average of $389). 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.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Ocean Shores
Lakewood
Lynnwood
Lacey
Leavenworth
Renton
Olympia
Puyallup
Kent
Cle Elum
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

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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 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$238Average$478FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$330Average$445FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$344Average$519FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$408Average$518FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$454Average$618FlexibilityNo cancel feeOn-time75%

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