$140 Find Cheap Flights from Knoxville to Seattle - Compare and Save

Two cabin classes are available on flights from Knoxville to Seattle:

• Economy Class
• First Class

A nonstop flight from Knoxville to Seattle takes 00m, covering 2,109 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Knoxville to Seattle range from $454 to $653, with an average of $560 over the past 12 months. Anything below $454 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 29% above the $560 route average. Book 6 weeks before departure for the lowest fares.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $279 to $2,473. That means the highest observed fare was about 9x higher than the lowest one.

One-way fares from Knoxville to Seattle are currently lower than usual. Average one-way flight prices are about $211, which is 27% below the typical average for this route.

Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:

• Fox
• Europcar
• Thrifty
• Budget
• Hertz

Flights from Knoxville to Seattle usually depart from Knoxville McGhee Tyson (TYS) and arrive at Seattle/Tacoma Intl (SEA).

One-stop flights from Knoxville to Seattle most commonly connect through:

• Dallas/Fort Worth (DFW) - 37% of one-stop connections
• Chicago O'Hare Intl (ORD) - 33% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 14% of one-stop connections
• Denver Intl (DEN) - 6% of one-stop connections

Yes. Flexible dates can save you up to 10% on flights from Knoxville to Seattle. Monday is the cheapest departure day at $547 round-trip on average, while Thursday is the most expensive at $606, a difference of $59.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Flying via Minneapolis St Paul (MSP) gives the shortest average 1-stop total travel time at 7h 26m, compared with 7h 42m via Chicago O'Hare Intl (ORD) and 7h 43m via Atlanta Hartsfield-Jackson (ATL).

Seattle is 3 hours behind Knoxville (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Seattle are Pike Place Market, Lumen Field and Space Needle. These are among the most viewed places in Seattle on KAYAK.

Although most airlines consider PRMs, you will conveniently fly from Knoxville to Seattle via United Airlines. Priority boarding for PRMs and their families, free wheelchair assistance, and a team of specially trained staff members to provide specialized services to PRMs are just a few of the airline's special access services.

Consider booking your flight ticket with Frontier from Knoxville to Seattle with your furry friend. Frontier's pet-friendly allows smaller pets that can fit under your seat to travel in the cabin. Larger domestic pets may have to be transported as cargo in pressure- and temperature-controlled carriers.

Consider using United Airlines for your flights from Knoxville to Seattle if you want to travel sustainably. The airline has invested in sustainable biofuels, fuel-efficient aircraft, recycling initiatives, and energy-saving technologies to reduce waste. To lessen its environmental impact, United Airlines collaborates with environmental organizations to advocate for carbon offsetting initiatives.

For most travelers, Seattle/Tacoma Intl (SEA) is the destination airport, but not the final destination. To connect from Seattle/Tacoma Intl (SEA) to the city center, there are various transport options. After deplaning from your Knoxville to Seattle flight, you will either board Link Light Rail, a taxi, ride-share services like Lyft or a public means of transport, such as Metro Transit Bus Route 40 and 124. Buses and trains offer more budget-friendly and reliable options than taxis.