$125 Cheap Flights from Knoxville (TYS) to Seattle (SEA)

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Cheap Flights from Knoxville to Seattle (TYS-SEA)

Prices were available within the past 7 days and start at $125 for one-way flights and $214 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Flights from Knoxville (TYS) to Seattle (SEA)
Origin airport
McGhee Tyson
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$214
Distance
2109 mi

Knoxville to Seattle Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Knoxville to Seattle offer the perfect respite. Not only does exploring Seattle provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Knoxville to Seattle may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from to today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Seattle are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Seattle more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Seattle is $125 now!

Frequently asked questions

How much is a one-way flight from Knoxville Airport to Seattle - Tacoma Intl. Airport (SEA)?
Book with Expedia and you could walk away with one-way Knoxville flights to Seattle from only $120. This was the best price found for this journey departing within the next three months — an Frontier Airlines flight, departing TYS on June 10 2024 and arriving at Sea-Tac Airport. This price was last updated on May 23 2024 and has not changed since. Eager to pick up your own bargain? Awesome deals are only a few clicks away.
Is it cheaper to buy a plane ticket from Knoxville Airport to Seattle - Tacoma Intl. Airport (SEA) last minute?
Booking your trip from McGhee Tyson Airport (TYS) to SEA at the last minute could save you some dough if you’re lucky to find a real bargain. However, airfares don’t typically get cheaper as the departure date nears. If you hold out, flights could also be booked solid or the best seats taken (we hope you like the middle seat!). If you don’t want to risk it, book well ahead of when you want to leave. Remember that some of the most awesome deals can be found up to a year in advance. If your favorite airline hasn’t released tickets yet, check back regularly as offers are constantly updated on Expedia.
What is the cheapest airline flying from Knoxville Airport to SEA in the next 90 days?
The cheapest carrier traveling from Knoxville to Seattle found on Expedia is Frontier Airlines, with fares starting at $120. This price is based on fares found on Expedia with a departure date within the next 90 days. The flight leaves Knoxville Airport on June 10 2024 and arrives at Seattle - Tacoma Intl. Airport (SEA). The pricing information was updated on May 23 2024 and has not changed since.
What's the cheapest price for a flight from McGhee Tyson Airport (TYS) to Sea-Tac Airport next month?
The best price for a flight from Knoxville to Seattle within the next month is $120. If you plan to travel soon, now’s the time to snap up this fare. This price was found after searching all available flights on Expedia with a departure date within the next 30 days. This fare is for a one-way Frontier Airlines flight departing McGhee Tyson Airport (TYS) on June 10 2024 and touching down at Seattle - Tacoma Intl. Airport (SEA). Pricing info was last updated on May 23 2024 and has not changed since.
What airports do you fly into for Seattle from Knoxville?
With Seattle - Tacoma Intl. Airport (SEA), Renton Municipal Airport (RNT) and Boeing Field Airport (BFI) to select from, getting from Knoxville to Seattle is easy. The city’s busiest terminal, Seattle - Tacoma Intl. Airport (SEA), is roughly 12 mi south of the center. As well as ticket costs, consider factors like bus or train options from the airport and the distance to your hotel when deciding where to land. Get your Seattle trip off to a fun start by checking out Space Needle and Pike Place Market.
Can I change the date of my flight from McGhee Tyson Airport (TYS) to Sea-Tac Airport?
It’s a cinch to make amendments to your Knoxville Airport to Sea-Tac Airport journey yourself. Just go to the Expedia Trips portal and tap “change flight.” Look for new flights and choose the one that fits your plans. You’ll see an estimate of your flight change fee, if applicable. Alternatively, visit our Customer Service portal to connect with our Virtual Agent and get answers to all your questions.
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