Cheap flights from Greenville-Spartanburg to Seattle

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Flight deals from Greenville-Spartanburg to Seattle

Looking for a cheap last-minute deal or the best round-trip flight from Greenville-Spartanburg to Seattle? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Greenville-Spartanburg to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Greenville-Spartanburg to Seattle flights are currently cheapest in September.

Alternative Greenville-Spartanburg to Seattle routes

Looking for the cheapest, fastest or easiest route from Greenville-Spartanburg to Seattle? You could fly into the following airports instead.

Greenville to Seattle: Flight information

The things to know before you go.
Cheapest flight foundC$462
Cheapest month to flyJune

Finding cheap flights from Greenville-Spartanburg to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a round-trip flight from Greenville-Spartanburg to Seattle is C$462. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Greenville-Spartanburg to Seattle. But we found flights with one or more stops from C$462.
There are no flights flying from Greenville-Spartanburg to Seattle, as of May 2025.
The cheapest month to fly from Greenville-Spartanburg to Seattle is usually May 2025.
If you're flying from Greenville-Spartanburg Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the center of Seattle. We've found flights to this airport from C$462.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Greenville-Spartanburg Airport to Seattle on Tuesday, June 24, 2025.
No airlines currently offer direct flights between Greenville-Spartanburg Airport and Seattle. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 12°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, United offers the cheapest flight tickets to Seattle.

Flying from Greenville-Spartanburg International Airport (GSP) to Seattle: what you need to know

  • Seattle is three hours behind Greenville, where Greenville-Spartanburg International Airport is located. Seattle follows the UTC-7 timezone.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. That way, you won't have to rush to catch your GSP to Seattle flight.

  • Delays at check-in and security are likely if you're flying during high season, so give yourself some extra wiggle room. A good rule for peak periods? Get there up to four hours ahead for international flights and two hours for domestic departures.

  • To reach GSP from central Greenville, it'll take around 20 minutes if you're going by car. It's roughly 16 kilometres from the airport to the city centre.

  • Want a relaxed start to your journey? Stay near GSP. Whether you're taking an early flight from Greenville-Spartanburg International Airport to Seattle or want to avoid feeling rushed, these hotels put convenience first:

  • Of the flights that depart from Greenville-Spartanburg International Airport, 79.7% touch down on time at their destination.

  • The address for GSP is 2000 GPS Drive, Suite 1.

How to find the cheapest flights from Greenville-Spartanburg International Airport (GSP) to Seattle

  • C$244 is the lowest price we've found for a one-way Greenville-Spartanburg International Airport to Seattle flight. A round-trip ticket right now is C$462. Depending on when you want to go and the availability, these fares can change.

  • To find cheap flights from GSP to Seattle, book ahead. Airlines usually offer lower prices when flights first go on sale.

  • Scoring cheap tickets from Greenville-Spartanburg International Airport to Seattle is more likely if you can be flexible with your travel plans. Use the 'Whole month' search tool to access the lowest fares across every month and bag an incredible deal.

  • Save time searching for cheap flights from GSP to Seattle by setting up a Price Alert. We'll send you an email or notification on the app when a lower fare pops up.

  • Choose your ideal arrival and departure times, airlines and number of stops with our filters. Then, sort the results for your flight from Greenville-Spartanburg International Airport to Seattle by 'Best,' 'Cheapest' or 'Fastest.'

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) to central Seattle takes about 20 minutes by car. The centre is roughly 23 kilometres away.

  • It typically takes 55 minutes if you're travelling by public transport.

  • If you're arriving on a late flight from Greenville-Spartanburg International Airport to Seattle, few things beat the convenience of staying close to the terminal. Grab your suitcases from the carousel and then be showered and snoozing soon after at one of these hotels near SEA:

  • Grab a Seattle-Tacoma International Airport rental car and discover Seattle and beyond with your own set of wheels. Thrifty, Europcar and Budget are popular outlets you can book with here.

  • Booking your vehicle from Seattle-Tacoma International Airport around one week before your flight from GSP to Seattle can help you get the best possible rate.

Lake Union Sea Plane Base Airport (LKE)

  • Lake Union Sea Plane Base Airport (LKE) is roughly 3 kilometres from central Seattle. After your flight from Greenville-Spartanburg International Airport to Seattle, it'll take you around 10 minutes to reach the heart of the city in a cab or ride-share.

  • You can expect the trip to take roughly 25 minutes on public transport.

  • There are some comfortable places to drop your things at near LKE. Tuck yourself in and get cozy after your GSP to Seattle flight at any of these well-located options:

Best time to go to Seattle

  • Carefully consider your trip dates before booking your flight from Greenville-Spartanburg International Airport to Seattle. The city buzzes during peak season, but prices are often higher and attractions can be busy. Go to Seattle in the off-season for a quieter vibe.

  • When booking your Greenville-Spartanburg International Airport to Seattle flight ticket, think about the type of weather you enjoy. August is the warmest month in Seattle, with temperatures ranging from 12ºC (54ºF) to 28ºC (82ºF).

  • If you want to travel in cooler conditions, look for a cheap ticket from GSP to Seattle in February when temperatures average between -1ºC (30ºF) and 11ºC (52ºF).

More about Seattle

  • After booking your flight from Greenville-Spartanburg International Airport to Seattle, find a hotel that offers both comfort and a great location. Make one of these options your base for exploring Seattle:

  • There are so many things to see and do in this city it can be tricky to work out where to begin. LMN Architects, Greyhound: Bus Station and Boeing Radiation Effects Lab are popular attractions which should feature on every Seattle itinerary.

Explore more of United States

  • Portland is just one of the many cities in United States waiting to be discovered after you've seen Seattle. Around 241 kilometres away to the south, its top attractions include Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • Spokane is another must-experience destination in United States and is around 370 kilometres east of Seattle. No trip is complete without dropping by Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.