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$176+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — SEA
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
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Cheapflights Tip: The best prices from Greenville to Seattle/Tacoma Intl are usually found in November or October, booked 76 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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$351
(Delta)

One-way from

$179
(Delta)

Popular in

June

Cheapest in

November

Average price

$492
Provider with most accurate pricing for Greenville-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Greenville-Seattle/Tacoma Intl flights.
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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. 15% potential increase in price ($89 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 26, 2025.

This Delta deal was found by Cheapflights users on 3/24. 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 6/35:30 amGSP - SEA
1 stop7h 34mDelta
Tue 6/105:55 amSEA - GSP
1 stop8h 50mDelta
Deal found 3/24$351
This American Airlines deal was found by Cheapflights users on 3/25. 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 4/192:33 pmGSP - SEA
1 stop9h 31mAmerican Airlines
Wed 4/237:20 amSEA - GSP
1 stop7h 29mAmerican Airlines
Deal found 3/25$354
This Southwest deal was found by Cheapflights users on 3/24. 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 6/33:40 pmGSP - SEA
2 stops11h 10mSouthwest
Tue 6/109:10 pmSEA - GSP
1 stop9h 40mSouthwest
Deal found 3/24$356
This United Airlines deal was found by Cheapflights users on 3/25. 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 7/302:52 pmGSP - SEA
1 stop8h 56mUnited Airlines
Tue 8/1212:20 amSEA - GSP
1 stop8h 44mUnited Airlines
Deal found 3/25$357
This Mytrip deal was found by Cheapflights users on 3/25. 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.
Mon 4/283:55 pmGSP - SEA
2 stops22h 40mMultiple Airlines
Wed 4/3012:30 pmSEA - GSP
3 stops22h 41mMultiple Airlines
Deal found 3/25$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 March 26, 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 6/3

5:30 am-10:04 am

1 stop7h 34m

Seattle/Tacoma Intl

Tue 6/10

5:55 am-5:45 pm

1 stop8h 50m

$351

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Sat 4/19

2:33 pm-9:04 pm

1 stop9h 31m

Seattle/Tacoma Intl

Wed 4/23

7:20 am-5:49 pm

1 stop7h 29m

$354

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Tue 6/3

3:40 pm-11:50 pm

2 stops11h 10m

Seattle/Tacoma Intl

Tue 6/10

9:10 pm-9:50 am

1 stop9h 40m

$356

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Wed 7/30

2:52 pm-8:48 pm

1 stop8h 56m

Seattle/Tacoma Intl

Tue 8/12

12:20 am-12:04 pm

1 stop8h 44m

$357

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Mon 4/28

3:55 pm-11:35 am

2 stops22h 40m

Seattle/Tacoma Intl

Wed 4/30

12:30 pm-2:11 pm

3 stops22h 41m

$358

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Tue 6/3

5:30 am-10:04 am

1 stop7h 34m

$176

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Sun 9/7

7:15 am-5:00 pm

2 stops12h 45m

$219

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Sat 4/19

6:44 am-6:07 pm

2 stops14h 23m

$220

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Thu 5/29

6:26 am-12:28 pm

1 stop9h 02m

$262

GreenvilleSeattle

GSP - SEA

GSPSEA

Greenville

Mon 3/31

3:55 pm-8:43 am

3 stops43h 48m

$330

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars

*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 March 21, 2025.

To ensure you get the cheapest price possible for a flight from Greenville to Seattle, you should look to book at least 76 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 $411). 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 March 26, 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 March 26, 2025.
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,789 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,891 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,608 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 $351. Additional round-trip tickets that might be worth considering are offered by American Airlines and Southwest, with the lowest prices starting at $354 and $356, respectively. These flights start at 28% 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 $179 on Delta. Other airlines that offer cheap prices include Southwest from $219 and United Airlines from $220 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 $411). 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
Renton
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Cle Elum
Centralia
Mukilteo
Aberdeen
Shoreline
Lynnwood
Shelton
Silverdale
Redmond
Monroe

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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$297Average$488FlexibilityNo cancel feeOn-time75%
DeltaCheapest$311Average$494FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$316Average$480FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$344Average$548FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$459Average$532FlexibilityNo cancel feeOn-time63%
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