Flights from Greenville to Seattle (GSP to SEA)

Discover more affordable routes and cheaper dates from Greenville to Seattle (GSP to SEA) within a date range.

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  • US$1589
    Alaska AirlinesAlaska Airlines
    7:55am - 12:50pm
    Wed Dec 24th 2025
    7h 55m
    Greenville (GSP) → Seattle (SEA)
    1 Stop
    Alaska AirlinesAlaska Airlines
    9:45pm - 10:24am
    Fri Jan 2nd 2026
    9h 39m
    Seattle (SEA) → Greenville (GSP)
    1 Stop

    Wed Dec 24th 2025 Alaska Airlines · AS 4143 Depart at 7:55am from Greenville (GSP) Fly for 2h 15m Arrive at 9:10am in Chicago (ORD)

    Layover in Chicago for 0h 50m

    Wed Dec 24th 2025 Alaska Airlines · AS 329 Depart at 10:00am from Chicago (ORD) Fly for 4h 50m Arrive at 12:50pm in Seattle (SEA)

    Stay in Seattle for 9 nights

    Fri Jan 2nd 2026 Alaska Airlines · AS 371 Depart at 9:45pm from Seattle (SEA) Fly for 5h 16m Arrive at 6:01am in Philadelphia (PHL)

    Layover in Philadelphia for 2h 19m

    Sat Jan 3rd 2026 Alaska Airlines · AS 4588 Depart at 8:20am from Philadelphia (PHL) Fly for 2h 4m Arrive at 10:24am in Greenville (GSP)

  • US$1589
    Alaska AirlinesAlaska Airlines
    1:11pm - 8:01pm
    Wed Dec 24th 2025
    9h 50m
    Greenville (GSP) → Seattle (SEA)
    1 Stop
    Alaska AirlinesAlaska Airlines
    9:45pm - 10:24am
    Fri Jan 2nd 2026
    9h 39m
    Seattle (SEA) → Greenville (GSP)
    1 Stop

    Wed Dec 24th 2025 Alaska Airlines · AS 6852 Depart at 1:11pm from Greenville (GSP) Fly for 2h 9m Arrive at 2:20pm in Chicago (ORD)

    Layover in Chicago for 2h 50m

    Wed Dec 24th 2025 Alaska Airlines · AS 337 Depart at 5:10pm from Chicago (ORD) Fly for 4h 51m Arrive at 8:01pm in Seattle (SEA)

    Stay in Seattle for 9 nights

    Fri Jan 2nd 2026 Alaska Airlines · AS 371 Depart at 9:45pm from Seattle (SEA) Fly for 5h 16m Arrive at 6:01am in Philadelphia (PHL)

    Layover in Philadelphia for 2h 19m

    Sat Jan 3rd 2026 Alaska Airlines · AS 4588 Depart at 8:20am from Philadelphia (PHL) Fly for 2h 4m Arrive at 10:24am in Greenville (GSP)

  • US$1942
    Alaska AirlinesAlaska Airlines
    7:55am - 12:50pm
    Wed Dec 24th 2025
    7h 55m
    Greenville (GSP) → Seattle (SEA)
    1 Stop
    Alaska AirlinesAlaska Airlines
    8:00am - 6:54pm
    Fri Jan 2nd 2026
    7h 54m
    Seattle (SEA) → Greenville (GSP)
    1 Stop

    Wed Dec 24th 2025 Alaska Airlines · AS 4143 Depart at 7:55am from Greenville (GSP) Fly for 2h 15m Arrive at 9:10am in Chicago (ORD)

    Layover in Chicago for 0h 50m

    Wed Dec 24th 2025 Alaska Airlines · AS 329 Depart at 10:00am from Chicago (ORD) Fly for 4h 50m Arrive at 12:50pm in Seattle (SEA)

    Stay in Seattle for 8 nights

    Fri Jan 2nd 2026 Alaska Airlines · AS 4 Depart at 8:00am from Seattle (SEA) Fly for 5h 15m Arrive at 4:15pm in Washington, D.C. (DCA)

    Layover in Washington, D.C. for 1h 0m

    Fri Jan 2nd 2026 Alaska Airlines · AS 4299 Depart at 5:15pm from Washington, D.C. (DCA) Fly for 1h 39m Arrive at 6:54pm in Greenville (GSP)

  • US$1942
    Alaska AirlinesAlaska Airlines
    7:55am - 12:50pm
    Wed Dec 24th 2025
    7h 55m
    Greenville (GSP) → Seattle (SEA)
    1 Stop
    Alaska AirlinesAlaska Airlines
    9:15am - 8:45pm
    Fri Jan 2nd 2026
    8h 30m
    Seattle (SEA) → Greenville (GSP)
    1 Stop

    Wed Dec 24th 2025 Alaska Airlines · AS 4143 Depart at 7:55am from Greenville (GSP) Fly for 2h 15m Arrive at 9:10am in Chicago (ORD)

    Layover in Chicago for 0h 50m

    Wed Dec 24th 2025 Alaska Airlines · AS 329 Depart at 10:00am from Chicago (ORD) Fly for 4h 50m Arrive at 12:50pm in Seattle (SEA)

    Stay in Seattle for 8 nights

    Fri Jan 2nd 2026 Alaska Airlines · AS 442 Depart at 9:15am from Seattle (SEA) Fly for 5h 16m Arrive at 5:31pm in Philadelphia (PHL)

    Layover in Philadelphia for 1h 4m

    Fri Jan 2nd 2026 Alaska Airlines · AS 4776 Depart at 6:35pm from Philadelphia (PHL) Fly for 2h 10m Arrive at 8:45pm in Greenville (GSP)

  • US$1942
    Alaska AirlinesAlaska Airlines
    7:55am - 12:50pm
    Wed Dec 24th 2025
    7h 55m
    Greenville (GSP) → Seattle (SEA)
    1 Stop
    Alaska AirlinesAlaska Airlines
    9:55am - 9:42pm
    Fri Jan 2nd 2026
    8h 47m
    Seattle (SEA) → Greenville (GSP)
    1 Stop

    Wed Dec 24th 2025 Alaska Airlines · AS 4143 Depart at 7:55am from Greenville (GSP) Fly for 2h 15m Arrive at 9:10am in Chicago (ORD)

    Layover in Chicago for 0h 50m

    Wed Dec 24th 2025 Alaska Airlines · AS 329 Depart at 10:00am from Chicago (ORD) Fly for 4h 50m Arrive at 12:50pm in Seattle (SEA)

    Stay in Seattle for 8 nights

    Fri Jan 2nd 2026 Alaska Airlines · AS 429 Depart at 9:55am from Seattle (SEA) Fly for 4h 15m Arrive at 4:10pm in Chicago (ORD)

    Layover in Chicago for 2h 20m

    Fri Jan 2nd 2026 Alaska Airlines · AS 4745 Depart at 6:30pm from Chicago (ORD) Fly for 2h 12m Arrive at 9:42pm in Greenville (GSP)

  • US$1942
    Alaska AirlinesAlaska Airlines
    1:11pm - 8:01pm
    Wed Dec 24th 2025
    9h 50m
    Greenville (GSP) → Seattle (SEA)
    1 Stop
    Alaska AirlinesAlaska Airlines
    8:00am - 6:54pm
    Fri Jan 2nd 2026
    7h 54m
    Seattle (SEA) → Greenville (GSP)
    1 Stop

    Wed Dec 24th 2025 Alaska Airlines · AS 6852 Depart at 1:11pm from Greenville (GSP) Fly for 2h 9m Arrive at 2:20pm in Chicago (ORD)

    Layover in Chicago for 2h 50m

    Wed Dec 24th 2025 Alaska Airlines · AS 337 Depart at 5:10pm from Chicago (ORD) Fly for 4h 51m Arrive at 8:01pm in Seattle (SEA)

    Stay in Seattle for 8 nights

    Fri Jan 2nd 2026 Alaska Airlines · AS 4 Depart at 8:00am from Seattle (SEA) Fly for 5h 15m Arrive at 4:15pm in Washington, D.C. (DCA)

    Layover in Washington, D.C. for 1h 0m

    Fri Jan 2nd 2026 Alaska Airlines · AS 4299 Depart at 5:15pm from Washington, D.C. (DCA) Fly for 1h 39m Arrive at 6:54pm in Greenville (GSP)

  • US$1942
    Alaska AirlinesAlaska Airlines
    1:11pm - 8:01pm
    Wed Dec 24th 2025
    9h 50m
    Greenville (GSP) → Seattle (SEA)
    1 Stop
    Alaska AirlinesAlaska Airlines
    9:15am - 8:45pm
    Fri Jan 2nd 2026
    8h 30m
    Seattle (SEA) → Greenville (GSP)
    1 Stop

    Wed Dec 24th 2025 Alaska Airlines · AS 6852 Depart at 1:11pm from Greenville (GSP) Fly for 2h 9m Arrive at 2:20pm in Chicago (ORD)

    Layover in Chicago for 2h 50m

    Wed Dec 24th 2025 Alaska Airlines · AS 337 Depart at 5:10pm from Chicago (ORD) Fly for 4h 51m Arrive at 8:01pm in Seattle (SEA)

    Stay in Seattle for 8 nights

    Fri Jan 2nd 2026 Alaska Airlines · AS 442 Depart at 9:15am from Seattle (SEA) Fly for 5h 16m Arrive at 5:31pm in Philadelphia (PHL)

    Layover in Philadelphia for 1h 4m

    Fri Jan 2nd 2026 Alaska Airlines · AS 4776 Depart at 6:35pm from Philadelphia (PHL) Fly for 2h 10m Arrive at 8:45pm in Greenville (GSP)

  • US$1942
    Alaska AirlinesAlaska Airlines
    1:11pm - 8:01pm
    Wed Dec 24th 2025
    9h 50m
    Greenville (GSP) → Seattle (SEA)
    1 Stop
    Alaska AirlinesAlaska Airlines
    9:55am - 9:42pm
    Fri Jan 2nd 2026
    8h 47m
    Seattle (SEA) → Greenville (GSP)
    1 Stop

    Wed Dec 24th 2025 Alaska Airlines · AS 6852 Depart at 1:11pm from Greenville (GSP) Fly for 2h 9m Arrive at 2:20pm in Chicago (ORD)

    Layover in Chicago for 2h 50m

    Wed Dec 24th 2025 Alaska Airlines · AS 337 Depart at 5:10pm from Chicago (ORD) Fly for 4h 51m Arrive at 8:01pm in Seattle (SEA)

    Stay in Seattle for 8 nights

    Fri Jan 2nd 2026 Alaska Airlines · AS 429 Depart at 9:55am from Seattle (SEA) Fly for 4h 15m Arrive at 4:10pm in Chicago (ORD)

    Layover in Chicago for 2h 20m

    Fri Jan 2nd 2026 Alaska Airlines · AS 4745 Depart at 6:30pm from Chicago (ORD) Fly for 2h 12m Arrive at 9:42pm in Greenville (GSP)

@sarahbb1
Sarah Belizaire
@sarahbb1

Have flexible travel plans or looking for alternative routes given the chaos? Check out all the connection possibilities via a super helpful site created by @ismaelyws flightlist.io thanks to @andy_travels for the recommendation #travel #flights

@eyupitsjohn
John Ford
@eyupitsjohn

There seem to be lots of sites launching at the moment that promise to find you cheap flights but not many have the professional finish of Flightlist by @ismaelyws #travel #flights

@oamingsonaa
Roaming Sonaa
@roamingsonaa

For people wanting to maximize their trips, Flightlist is my newest travel hack for uncovering the coolest routes at irresistible prices. No stress, no annoying ads — just seamless flight booking with amazing functionality.

@andy_travels
Andy Travels
@andy_travels

@ismaelyws Just tried out Flightlist for the first time. Really nice idea, well made, and just what I need at the moment 👍

@travelwitbender
Travel With Bender
@travelwitbender

Did you spot my recent article about how to score cheap one way flights? ✈️ FlightList is my new secret tool for discovering cheap routes, within a departure date range. Plus you can also search by country/region for departures & destinations. Powerful! 💪

@travel.with.wes
Wesley Mergard
@travel.with.wes

One useful tool I've found for evaluating different departure and return dates is called FlightList.io. You can quickly scan different travel date ranges, carriers and one way flight options to easily determine the cheapest flight combinations for your trip.

Explore Flight Options

FlightList Blog

Flightlist Interviews 7 Travel Experts On Why They Book One Way Flights
Flightlist Interviews 7 Travel Experts On Why They Book One Way Flights
Why I built FlightList & solved my own problem
Why I Built FlightList & Solved My Own Problem

About FlightList

❝Founded by a remote worker and frequent flyer, who discovered that the best deals come from searching with flexible dates across entire countries or regions. Our streamlined platform strips away the clutter found on typical travel sites, offering a clean interface that focuses solely on finding cost-effective flights. Unlike traditional booking sites, FlightList allows users to search by date ranges and broad destinations, unveiling opportunities that rigid parameters often miss. Our filters let travelers tailor searches to their specific needs, whether they're digital nomads seeking their next adventure or budget-conscious explorers maximizing travel funds. We've made finding cheap flights into a quicker and easier experience, empowering users to discover just how far their budget can take them.❞

Hans Desjarlais, Founder Hans Desjarlais Profile Picture