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$149+ Cheap flights from Greenville to Seattle (GSP - SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$297
(Delta)

One-way from

$149
(United Airlines)

Popular in

June

Cheapest in

September

Average price

$592
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. 14% potential increase in price ($82 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/294:17 pmGSP - SEA
1 stop9h 36mAmerican Airlines
Mon 9/811:05 pmSEA - GSP
1 stop10h 23mAmerican Airlines
Deal found 6/12$277
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/125:34 pmGSP - SEA
2 stops10h 25mUnited Airlines
Tue 8/195:07 amSEA - GSP
1 stop6h 51mUnited Airlines
Deal found 6/11$302
This Southwest deal was found by Cheapflights users on 6/10. 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 8/251:50 pmGSP - SEA
2 stops12h 45mSouthwest
Wed 9/35:15 amSEA - GSP
2 stops11h 40mSouthwest
Deal found 6/10$337
This Mytrip deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/184:05 pmGSP - SEA
2 stops27h 20mMultiple Airlines
Tue 7/225:30 pmSEA - GSP
2 stops24h 22mMultiple Airlines
Deal found 6/11$355
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/33:42 pmGSP - SEA
1 stop8h 07mDelta
Mon 10/1311:05 pmSEA - GSP
1 stop8h 26mDelta
Deal found 6/11$423
This Alaska Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/185:53 pmGSP - SEA
1 stop8h 02mAlaska Airlines
Sun 7/2711:40 pmSEA - GSP
1 stop8h 11mAlaska Airlines
Deal found 6/10$527

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 June 12, 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 8/12

5:30 am-10:06 am

1 stop7h 36m

Seattle/Tacoma Intl

Tue 8/19

11:17 pm-10:37 am

1 stop8h 20m

$297

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Tue 8/12

5:34 pm-12:59 am

2 stops10h 25m

Seattle/Tacoma Intl

Tue 8/19

5:07 am-2:58 pm

1 stop6h 51m

$302

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Mon 8/4

4:07 pm-8:46 pm

1 stop7h 39m

Seattle/Tacoma Intl

Wed 8/13

6:34 am-4:48 pm

1 stop7h 14m

$327

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Mon 8/25

1:50 pm-11:35 pm

2 stops12h 45m

Seattle/Tacoma Intl

Wed 9/3

5:15 am-7:55 pm

2 stops11h 40m

$337

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Fri 7/18

4:05 pm-4:25 pm

2 stops27h 20m

Seattle/Tacoma Intl

Tue 7/22

5:30 pm-8:52 pm

2 stops24h 22m

$355

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Fri 7/18

5:53 pm-10:55 pm

1 stop8h 02m

Seattle/Tacoma Intl

Sun 7/27

11:40 pm-10:51 am

1 stop8h 11m

$527

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Mon 8/4

7:45 pm-12:56 am

1 stop8h 11m

$149

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Mon 8/4

4:05 pm-4:25 pm

2 stops27h 20m

$189

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Tue 7/15

4:07 pm-10:55 pm

1 stop9h 48m

$195

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Tue 7/1

3:10 pm-12:15 am

2 stops12h 05m

$224

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 11 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 June 9, 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 July is currently the most expensive (average of $391). 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 June 12, 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.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 June 12, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Greenville to Seattle have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $297. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $302 and $327, respectively. These flights start at 37% 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 $149 on United Airlines. Other airlines that offer cheap prices include American Airlines from $195 and Southwest from $249 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, 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 July is currently the most expensive (average of $391). 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 Greenville?

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

Browse thousands of different options on Cheapflights for your next trip

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$314Average$458FlexibilityNo cancel feeOn-time71%
DeltaCheapest$321Average$493FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$346Average$520FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$416Average$526FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$454Average$693FlexibilityNo cancel feeOn-time75%

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