Title: CA $348 Cheap Flights from Greenville (GSP) to Seattle (SEA) - Expedia.ca ![](https://images.trvl-media.com/place/178307/82efb684-8d05-4b09-b7ea-52d5ab4ea1ac.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178307/82efb684-8d05-4b09-b7ea-52d5ab4ea1ac.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $348 Cheap Flights from Greenville (GSP) to Seattle (SEA) [View CA $348 flight on Sun, Apr 5, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:GSP,to:SEA,departure:05/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:347.80&airProductToken=AQptCjUIxJgBEgQzMDI4GMZ8IOBcKOnCiQMwqcOJAzhFQABYAWoJTUFJTkJBU0lDcghYQVdPQTBCUQo0CMSYARIDNDQ0GOBcIJIBKOHDiQMwucaJAzhFQAFYAWoJTUFJTkJBU0lDcghYQVdPQTBCURIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Greenville-Spartanburg Intl. Airport (GSP) to Seattle-Tacoma International Airport (SEA) - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:gsp,to:sea,departure:31/10/2025TANYT&leg2=from:sea,to:gsp,departure:07/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:gsp,to:sea,departure:31/10/2025TANYT&leg2=from:sea,to:gsp,departure:07/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:gsp,to:sea,departure:31/10/2025TANYT&leg2=from:sea,to:gsp,departure:07/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:gsp,to:sea,departure:31/10/2025TANYT&leg2=from:sea,to:gsp,departure:07/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Southwest Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:gsp,to:sea,departure:31/10/2025TANYT&leg2=from:sea,to:gsp,departure:07/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Cheap flights from Greenville (GSP) to Seattle (SEA) Prices were available within the past 7 days and start at CA $348 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ## Find the cheapest month to fly from Greenville (GSP) to Seattle (SEA) ### August is typically the cheapest month to fly From CA $290 - CA $712 per traveller. ## Frequently asked questions ### How much is a flight from Roger Milliken Field to Sea-Tac Airport? > Round-trip flights between Roger Milliken Field and SEA start from . This is based on fares listed within the last 7 days on Expedia for flights departing within the next year — book today so you don't miss out. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Roger Milliken Field to Seattle - Tacoma Intl. Airport (SEA)? > We understand that your situation can change unexpectedly, so we've made it as hassle-free as possible for you to cancel your flight online. Just visit the [Customer Service Portal](https://www.expedia.ca/helpcenter) and follow the instructions. ### How do I find cheap flights from GSP to Sea-Tac Airport that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the cost difference between flights. When searching for Greenville-Spartanburg Intl. Airport (GSP) to SEA flights, you'll see a "No change fees" box for you to pick. ### How many hours is the flight from Roger Milliken Field to Sea-Tac Airport? > Lasting around 7 hours and 30 minutes, the flight between Roger Milliken Field and Seattle - Tacoma Intl. Airport (SEA) is a good opportunity to do some last-minute trip planning. Why not use the time to work on your itinerary for SeaTac? ### How far is the flight from Roger Milliken Field to SEA? > Around 3,600 kilometres separates Greer and SeaTac, so pack some in-flight entertainment to keep you busy for a couple of hours. That latest bestseller you're eager to read will be perfect. ### Which airlines fly direct from Roger Milliken Field to Sea-Tac Airport? > You won't find any airlines operating directly between Greenville-Spartanburg Intl. Airport (GSP) and SEA, so be ready to make at least one stop on your journey. A layover, whether short or long, can be a good way to break up a trip! ### Are Roger Milliken Field to SEA flight tickets cheaper when they're purchased at the last minute? > It is possible to get great last-minute deals from Roger Milliken Field to Sea-Tac Airport, but it's also possible to miss out entirely! As many airlines release prices up to a year in advance, it's worthwhile keeping an eye on fares early and being ready to pounce when you see a bargain. Expedia compares carrier prices and updates flight deals frequently, so you can be sure you're always seeing the latest offers. ## Travel information | Origin airport | Greenville-Spartanburg Intl. | | --- | --- | | Destination airport | Seattle - Tacoma Intl. | | Distance | 3564 km | ## Book with confidence ### Greer to Seattle Flights **The easy way to book your flights from Greenville to Seattle**  With Expedia, it’s simple to find and book flights to Seattle from Greenville whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 15 airlines that cover this route. There are nonstop flights to Seattle - Tacoma Intl., too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Greenville to Seattle today, tomorrow, or this week.   **Save dollars with cheap flights from Greenville-Spartanburg Intl., GSP to Seattle - Tacoma Intl., SEA**  Sort your search results by price to find great deals on your flight from Greenville to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Greenville currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Seattle   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Seattle from Greenville**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. 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