$157 Cheap Flights from Seattle (SEA) to Greenville (GSP)

View $157 flight on Wed, Jun 11, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Seattle to Greenville (SEA-GSP)

Prices were available within the past 7 days and start at $157 for one-way flights and $313 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, May 27 - Tue, Jun 3
SEA
Seattle
GSP
Greenville
$313 Roundtrip, found 2 days ago
$313
Roundtrip
found 2 days ago
Select United flight, departing Tue, May 27 from Seattle to Greenville, returning Tue, Jun 3, priced at $313 found 2 days ago
American Airlines
Sat, Aug 30 - Sun, Sep 7
SEA
Seattle
GSP
Greenville
$313 Roundtrip, found 2 days ago
$313
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Aug 30 from Seattle to Greenville, returning Sun, Sep 7, priced at $313 found 2 days ago
Delta
Tue, Jun 3 - Wed, Jun 11
SEA
Seattle
GSP
Greenville
$313 Roundtrip, found 2 days ago
$313
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Jun 3 from Seattle to Greenville, returning Wed, Jun 11, priced at $313 found 2 days ago
American Airlines
Tue, Jun 3 - Wed, Jun 11
SEA
Seattle
GSP
Greenville
$315 Roundtrip, found 2 days ago
$315
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Jun 3 from Seattle to Greenville, returning Wed, Jun 11, priced at $315 found 2 days ago
Delta
Sat, Aug 30 - Sun, Sep 7
SEA
Seattle
GSP
Greenville
$318 Roundtrip, found 2 days ago
$318
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Aug 30 from Seattle to Greenville, returning Sun, Sep 7, priced at $318 found 2 days ago
American Airlines
Sat, May 24 - Wed, May 28
SEA
Seattle
GSP
Greenville
$318 Roundtrip, found 12 hours ago
$318
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Sat, May 24 from Seattle to Greenville, returning Wed, May 28, priced at $318 found 12 hours ago
Delta
Sat, May 24 - Wed, May 28
SEA
Seattle
GSP
Greenville
$323 Roundtrip, found 12 hours ago
$323
Roundtrip
found 12 hours ago
Select Delta flight, departing Sat, May 24 from Seattle to Greenville, returning Wed, May 28, priced at $323 found 12 hours ago
United
Tue, May 27 - Tue, Jun 3
SEA
Seattle
GSP
Greenville
$328 Roundtrip, found 2 days ago
$328
Roundtrip
found 2 days ago
Select United flight, departing Tue, May 27 from Seattle to Greenville, returning Tue, Jun 3, priced at $328 found 2 days ago
Southwest Airlines
Tue, Jun 24 - Tue, Jul 1
SEA
Seattle
GSP
Greenville
$337 Roundtrip, found 2 hours ago
$337
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Tue, Jun 24 from Seattle to Greenville, returning Tue, Jul 1, priced at $337 found 2 hours ago
Alaska Airlines
Tue, May 27 - Tue, Jun 3
SEA
Seattle
GSP
Greenville
$413 Roundtrip, found 2 days ago
$413
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, May 27 from Seattle to Greenville, returning Tue, Jun 3, priced at $413 found 2 days ago
Flights from Seattle (SEA) to Greenville (GSP)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Greenville-Spartanburg Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$312
Distance
2227 mi

Seattle to Greenville Flights

The cheapest times to fly from Seattle to Greenville

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Greenville are during the month of May. You can find some of the cheapest flights from Seattle to Greenville with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Seattle to Greenville

Sunday is one of the best days to book for cheap flights from Seattle to Greenville: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Seattle to Greenville

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Greenville in 2025. You can also book with separate airlines for your outbound and return journeys, from $157 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Greenville flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Greenville airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Greenville-Spartanburg Intl. Airport (GSP) cost?
Discover the latest flight deals from SEA to GSP by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SEA to GSP?
The cheapest flights from SEA to GSP are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SEA to GSP?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from SEA to GSP. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Greenville-Spartanburg Intl. Airport (GSP)?
You’ll need to book a flight with a layover if you’re traveling from Seattle - Tacoma Intl. Airport (SEA) to Greenville-Spartanburg Intl. Airport (GSP). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from SEA to GSP?
You’ll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Greenville-Spartanburg Intl. Airport (GSP)?
To touch down at Greenville-Spartanburg Intl. Airport (GSP) without delays, opt for a flight that takes off from Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Greenville-Spartanburg Intl. Airport (GSP) last-minute?
Holding off until right before your break to book a flight from SEA to GSP generally means paying more. While you may come across some last-minute offers, they’re not always guaranteed. Be flexible with your travel plans for a better chance of getting a bargain.
Is it cheaper to book a SEA to GSP flight and hotel package?
You’ll typically save money by booking a SEA to GSP flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s easy to manage it all in one place. Once you’ve selected your ideal accommodations and flights, you can add extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Greenville-Spartanburg Intl. Airport (GSP)?
Typically, you’re able to cancel or reschedule your SEA to GSP flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline’s guidelines and fees on flight changes, or if you need further information, go to our Customer Service portal.

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*Available to One Key members.