$133 Cheap Flights from Greenville (GSP) to Seattle (SEA)
Popular airlines from Greenville-Spartanburg Intl. Airport (GSP) to Seattle-Tacoma International Airport (SEA)
Alaska AirlinesAlaska Airlines
American AirlinesAmerican Airlines
UnitedUnited
DeltaDelta
Southwest AirlinesSouthwest Airlines
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Cheap Flights from Greenville to Seattle (GSP-SEA)
Alternative airports near Seattle
Prices were available within the past 7 days. Prices and availability are subject to change.
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Greenville (GSP) to Seattle (SEA) at a glance
Travel from Greenville-Spartanburg International Airport (GSP) to Seattle-Tacoma International Airport (SEA) with a selection of airlines catering to various needs. Whether you're looking for budget-friendly options or prefer full-service carriers, you can compare different Seattle flights to discover the itinerary that aligns with your travel plans and budget. Uncover the essential details for your journey on this long-haul route as you prepare to explore the vibrant sights and neighborhoods of Seattle.
- Fastest flight duration: around 7 hours in-flight, plus roughly 1h 15m layover with one stop
- Route distance: roughly 2,200 miles (3,540 km)
- Flights per week: around 15+ flights with multiple daily departures on average
- Typical fares (one-way): economy tickets often range from $150–$510, depending on seasonality and how far ahead you book
Flights from Greenville-Spartanburg International Airport (GSP) to Seattle - Tacoma International Airport (SEA)
Explore the top airlines favored by travelers flying from Greenville to Seattle, especially those opting for one-stop and multi-stop flights. Common layover points include Charlotte-Douglas International Airport (CLT) with an approximately 1h 15m layover, O'Hare International Airport (ORD) also around 1h 15m, and Hartsfield-Jackson Atlanta International Airport (ATL) with a similar layover time. These options allow you to easily customize your itinerary by balancing price, total travel duration, and cabin class.
- American Airlines: This full-service airline provides one-stop flights, with one-way ticket prices generally falling between $155 and $540. It represents around 42% of departures on this route, featuring an in-flight duration of about 7 hours and a total travel time of approximately 8 hours and 15 minutes, including layovers.
- United: Another full-service option, United offers one-stop service with one-way fares typically in the range of $155 to $515. It makes up roughly 28% of flights on this route, boasting an in-flight time of 7 hours, while the overall journey takes about 8 hours and 15 minutes, considering layovers.
- Delta: Delta is a full-service carrier that provides one-stop service, with one-way fares usually ranging from $150 to $580. It accounts for about 23% of departures along this route, offering an in-air time of 7 hours and a total travel duration of around 8 hours and 15 minutes, factoring in layovers.
- Alaska Airlines: A full-service carrier known for one-stop service, Alaska Airlines has one-way fares generally between $235 and $515. It constitutes approximately 4% of departures on this route, with a flight time of 7 hours and a total journey time of about 8 hours and 15 minutes, including layovers.
- Southwest Airlines: As a low-cost carrier, Southwest provides both one-stop and multi-stop options, with one-way fares typically ranging from $155 to $365. It represents around 3% of departures on this route, featuring an in-flight duration of 7 hours and a total travel time of roughly 8 hours and 15 minutes.
Travelers flying from Greenville to Seattle have the option to upgrade their flight. Major airlines include Delta, which offers both first class and premium economy service; American Airlines, featuring first class; and United, also providing first class.
Best time to fly from Greenville (GSP) to Seattle (SEA)
The most popular months for travelers flying from Greenville to Seattle are April, July, and August, when peak temperatures in Seattle reach up to 67.5°F in August. If you prefer quieter travel, consider October, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 52.7°F. For better deals, September usually offers the lowest average one-way fare around $249. Flight availability peaks in July, with approximately 22 flights per week, making it easier to find convenient departure times. February and March have the fewest flights, with approximately 11 flights per week.
- Cheapest time to fly: September usually offers good deals with average one-way fare around $249, roughly 14% cheaper than the yearly average.
- More budget-friendly months to fly: February, August, and October typically offer average one-way fares of around $255.
- Most flight options: July has the highest number of flights from Greenville to Seattle, with approximately 22 flights per week, giving you more flexibility in scheduling your trip.
| Month | Temperature | Demand | Weekly Flights | Average one-way Fare |
| January | 40.3°F (4.6°C) | Average | 12 | $285 |
| February | 40.5°F (4.7°C) | Average | 11 | $252 |
| March | 43.9°F (6.6°C) | Average | 11 | $288 |
| April | 48.6°F (9.2°C) | Moderately High | 14 | $322 |
| May | 55.8°F (13.2°C) | Average | 19 | $326 |
| June | 61.0°F (16.1°C) | Average | 17 | $305 |
| July | 67.1°F (19.5°C) | Moderately High | 22 | $305 |
| August | 67.5°F (19.7°C) | Moderately High | 21 | $256 |
| September | 61.3°F (16.3°C) | Average | 20 | $249 |
| October | 52.7°F (11.5°C) | Moderately Low | 14 | $258 |
| November | 44.2°F (6.8°C) | Moderately Low | 14 | $329 |
| December | 39.2°F (4.0°C) | Moderately Low | 13 | $326 |
*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.
Alternative routes from Greenville (GSP) to Seattle (SEA)
- Greenville to Seattle (GSP-BFI): Located approximately 6 miles from Seattle - Tacoma International Airport (SEA), Boeing Field Airport (BFI) serves as an alternative hub.
- Greenville to Seattle (GMU-SEA): Greenville Downtown Airport (GMU) is roughly 8 miles away from Greenville-Spartanburg International Airport (GSP), providing another route option.
- Spartanburg to Seattle (SPA-SEA): Spartanburg Downtown Memorial Airport (SPA) lies about 15 miles from Greenville-Spartanburg International Airport (GSP), offering a convenient departure point.
How to find the best prices for flights from Greenville (GSP) to Seattle (SEA)
Getting some of the best deals on flights from Greenville to Seattle is all about timing and flexibility. Here are some key tips to help you save:
- Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, although most travelers tend to book 2-8 weeks ahead. Departures in the morning (5 AM-12 PM) typically offer lower prices and are also the most favored times. Additionally, flying on Tuesday generally provides cheaper rates, while Wednesday remains the most popular travel day.
- Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
- Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
- Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
- Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
- Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.
*Members only. Savings vary and are not available on all bundles. Select hotels.
Arriving at Seattle - Tacoma International Airport from Greenville-Spartanburg International Airport
Seattle welcomes travelers from Greenville with a range of transport options based on price, convenience, and proximity. For departures, Greenville-Spartanburg International Airport is roughly a 20-minute drive (covering about 16 miles) from central Greenville. Seattle city center is approximately a 20-minute drive (covering about 14 miles) from Seattle - Tacoma International Airport, depending on traffic. Here's how to reach Seattle efficiently:
- Hotel transfer: Transfers offer a convenient way to reach your hotel in Seattle, with private rides that can be arranged in advance.
- Car rental: Renting a car from Seattle - Tacoma International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Seattle - Tacoma International Airport on Expedia.
- Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
- Public transportation: From Seattle - Tacoma International Airport, SeaTac/Airport Station, a metro station, is located about 0.3 miles from the airport and can be reached on foot, while Tukwila Station, a train station, is approximately 4.3 miles away and typically accessed by car.
Greenville to Seattle Flights
The cheapest times to fly from Greenville to Seattle
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 Greenville to Seattle are during the month of October. You can find some of the cheapest flights from Greenville to Seattle with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Greenville to Seattle
Sunday is one of the best days to book for cheap flights from Greenville to Seattle: 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 Greenville to Seattle
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 Greenville to Seattle in 2026. You can also book with separate airlines for your outbound and return journeys, from $133 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 Greenville to Seattle 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 Greenville to Seattle 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 Greenville, SC (GSP-Greenville-Spartanburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
You can find cheap one-way flights from $133 and cheap return flights $265 Greenville, SC (GSP-Greenville-Spartanburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) with Expedia. One-way flights typically cost between $188 and $868, and return flights often range between $410 and $1459. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Greenville, SC (GSP-Greenville-Spartanburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) ticket fares go up or down.
*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Greenville, SC (GSP-Greenville-Spartanburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The cheapest month to fly from GSP to SEA is October when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Greenville, SC (GSP-Greenville-Spartanburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Enter GSP to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Greenville, SC (GSP-Greenville-Spartanburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Greenville, SC (GSP-Greenville-Spartanburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Greenville, SC (GSP-Greenville-Spartanburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Greenville, SC (GSP-Greenville-Spartanburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Greenville (GSP) to Seattle (SEA) usually departs at around 5:00 AM, operated by American Airlines. This seasonal service is available in December, making it a great option for early travelers looking to reach the Pacific Northwest. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Greenville, SC (GSP-Greenville-Spartanburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Greenville, SC (GSP) to Seattle, WA (SEA) are in the early morning, from 6am to 9am. About 34% of passengers prefer this time window. Many major carriers, including American Airlines, United Airlines, and Delta Air Lines, operate flights during this time, making it convenient for those wanting to start their day early.
How long does it take to fly from Greenville, SC (GSP-Greenville-Spartanburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Flights from GSP to SEA with one stop typically take around 8 hours 20 minutes, covering approximately 2,228 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Greenville, SC (GSP-Greenville-Spartanburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You can fly first class between GSP and SEA. First class cabins are available on:
- American Airlines
- Delta Air Lines
- United Airlines
How do I earn miles on a Greenville, SC (GSP-Greenville-Spartanburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Greenville, SC (GSP-Greenville-Spartanburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.
*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle from Greenville-Spartanburg Intl. (GSP)?
From Greenville-Spartanburg Intl. (GSP), you can fly into Seattle - Tacoma Intl. (SEA) to reach Seattle. Some flights may connect through major hubs like Nashville Intl. (BNA), Baltimore Washington Intl. Thurgood Marshall (BWI), Washington Dulles Intl. (IAD) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Greenville, SC (GSP-Greenville-Spartanburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Greenville, SC (GSP-Greenville-Spartanburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Greenville, SC (GSP-Greenville-Spartanburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Greenville, SC (GSP-Greenville-Spartanburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) Seattle Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Greenville, SC (GSP-Greenville-Spartanburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Greenville, SC (GSP-Greenville-Spartanburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.
Travel information
Origin airport | Greenville-Spartanburg Intl. Airport |
|---|---|
Destination airport | Seattle-Tacoma International Airport |
Distance | 2,227 miles away |
Airlines serving | Alaska Airlines, American Airlines, United, Delta, Southwest Airlines |
Popular airline | Alaska Airlines |
Roundtrip price | $265 |