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$153+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — SEA
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap 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 February 3, 2026.

This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:30 am
GSP
-
SEA
1 stop8h 19m
United Airlines
Tue 3/311:59 pm
SEA
-
GSP
1 stop7h 02m
United Airlines
Deal found 2/2$377
This Southwest deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2510:05 am
GSP
-
SEA
2 stops15h 25m
Southwest
Tue 3/36:05 am
SEA
-
GSP
2 stops10h 45m
Southwest
Deal found 2/2$393
This American Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/311:29 am
GSP
-
SEA
1 stop15h 55m
American Airlines
Tue 3/107:21 am
SEA
-
GSP
1 stop13h 18m
American Airlines
Deal found 2/1$395
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/248:18 pm
GSP
-
SEA
2 stops40h 09m
Multiple Airlines
Thu 5/710:42 am
SEA
-
GSP
1 stop30h 58m
Multiple Airlines
Deal found 2/2$401
This Southwest deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/91:50 pm
GSP
-
SEA
2 stops13h 15m
Southwest
Mon 4/1311:55 pm
SEA
-
GSP
2 stops10h 15m
Southwest
Deal found 2/1$403
This American Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/511:29 am
GSP
-
SEA
1 stop14h 35m
American Airlines
Tue 3/107:21 am
SEA
-
GSP
1 stop13h 18m
American Airlines
Deal found 2/1$405
This American Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:00 am
GSP
-
SEA
1 stop9h 15m
American Airlines
Tue 4/2810:25 am
SEA
-
GSP
1 stop9h 15m
American Airlines
Deal found 2/2$407
This American Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:29 am
GSP
-
SEA
1 stop14h 35m
American Airlines
Wed 3/117:21 am
SEA
-
GSP
1 stop13h 21m
American Airlines
Deal found 2/2$410
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:20 am
GSP
-
SEA
1 stop10h 00m
Delta
Mon 3/911:30 pm
SEA
-
GSP
1 stop6h 56m
Delta
Deal found 2/1$412
This American Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/511:29 am
GSP
-
SEA
1 stop14h 35m
American Airlines
Mon 3/97:21 am
SEA
-
GSP
1 stop13h 21m
American Airlines
Deal found 2/1$415
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/44:16 pm
GSP
-
SEA
1 stop9h 43m
United Airlines
Wed 3/115:00 am
SEA
-
GSP
2 stops8h 51m
United Airlines
Deal found 2/2$417

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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$377
(United Airlines)

One-way from

$153
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$453
Provider with most accurate pricing for Greenville-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greenville-Seattle/Tacoma Intl flights.
Search Deals
From Greenville to Seattle/Tacoma Intl
Search Deals
One-way flight from Greenville to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 3, 2026.
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

Wed 2/25

6:30 am-11:49 am

1 stop8h 19m

Seattle/Tacoma Intl

Tue 3/3

11:59 pm-10:01 am

1 stop7h 02m

$377

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Wed 2/25

10:05 am-10:30 pm

2 stops15h 25m

Seattle/Tacoma Intl

Tue 3/3

6:05 am-7:50 pm

2 stops10h 45m

$393

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Thu 4/9

5:36 pm-12:19 am

1 stop9h 43m

Seattle/Tacoma Intl

Mon 4/13

11:05 pm-11:14 am

1 stop9h 09m

$393

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Wed 3/4

11:29 am-11:04 pm

1 stop14h 35m

Seattle/Tacoma Intl

Wed 3/11

7:21 am-11:42 pm

1 stop13h 21m

$410

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Fri 4/24

12:33 pm-7:00 pm

1 stop9h 27m

Seattle/Tacoma Intl

Tue 4/28

8:55 am-8:47 pm

2 stops8h 52m

$425

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Fri 3/6

11:29 am-11:04 pm

1 stop14h 35m

Seattle/Tacoma Intl

Sat 3/14

7:21 am-10:14 pm

1 stop11h 53m

$435

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Fri 3/6

11:29 am-11:04 pm

1 stop14h 35m

Seattle/Tacoma Intl

Fri 3/13

7:21 am-10:28 pm

1 stop12h 07m

$445

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Fri 4/24

5:36 pm-12:19 am

1 stop9h 43m

Seattle/Tacoma Intl

Thu 5/7

11:14 pm-9:58 am

1 stop7h 44m

$447

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Sat 5/23

6:51 pm-11:39 pm

1 stop7h 48m

Seattle/Tacoma Intl

Sat 5/30

11:58 pm-11:01 am

1 stop8h 03m

$447

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Fri 4/24

4:10 pm-9:06 pm

1 stop7h 56m

Seattle/Tacoma Intl

Sun 4/26

11:59 pm-9:56 am

1 stop6h 57m

$447

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 20 results
1
2

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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 January 30, 2026.

To ensure you get the cheapest price possible for a flight from Greenville to Seattle, you should look to book at least 69 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, August is the cheapest month in which you can book a flight from Greenville to Seattle (average of $238). Flying from Greenville to Seattle in March is currently the most expensive (average of $323). 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.

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 February 3, 2026.
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
11,829 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Alaska Airlines
8.0
Very good
11,829 reviews
Alaska Airlines
8.0
Very good
11,829 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Southwest
8.0
Very good
4,271 reviews
Alaska Airlines
8.0
Very good
11,829 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Delta
7.9
Good
8,132 reviews
Alaska Airlines
8.0
Very good
11,829 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
United Airlines
7.4
Good
9,229 reviews
Alaska Airlines
8.0
Very good
11,829 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
American Airlines
7.2
Good
11,212 reviews
Alaska Airlines
8.0
Very good
11,829 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

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.

  • How long is the flight from Greenville to Seattle?

    Departing from Greenville to Seattle will take you 8h 19m. Greenville and Seattle are separated by a distance of 2226 mi. This flight may include one or multiple stops.

  • 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 $201. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $336 and $336, respectively. These flights start at 59% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Greenville to Seattle one-way?

    One-way options have recently been found by users for as low as $109 on Delta. Other airlines that offer cheap prices include American Airlines from $156 and United Airlines from $166 one-way.

  • 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, August is the cheapest month in which you can book a flight from Greenville to Seattle (average of $238). Flying from Greenville to Seattle in March is currently the most expensive (average of $323). 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
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Renton
Puyallup
Kirkland
Kent
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Greenville to Seattle

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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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$201Average$478FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$336Average$488FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$336Average$457FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$408Average$495FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$454Average$696FlexibilityNo cancel feeOn-time75%

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