United States
USD

TYS - SEA

$170 Find Cheap Flights from Knoxville to Seattle - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 19% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$267
Typical prices: $454-$653
American Airlines
Sun 11/4Sun 11/11
TYS - SEA • 1 stop
Cheapest one-way
$170
Typical prices: $242-$379
Delta
Tue 11/6
TYS - SEA • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Knoxville and Seattle. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
6 weeks
in advance
Our data shows that travelers who book at least 6 weeks in advance save around 42% compared to booking last minute.
Insights
Insights
When to travel
November
Cheapest • 28% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Minneapolis St Paul (MSP)
Cheapest • Avg $523 (round-trip)
Chicago O'Hare Intl (ORD)
Shortest trip • 7h 42m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Seattle!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Knoxville to Seattle (TYS-SEA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Knoxville to Seattle

Wed, Nov 4 - Wed, Nov 11
American Airlines Logo
5:30 am - 11:12 amTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
8h 42m1 stop Dallas/Fort Worth
American Airlines Logo
12:38 pm - 10:48 pmSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
7h 10m1 stop Charlotte Douglas
$267American Airlines
Thu, Nov 5 - Thu, Nov 12
United Airlines Logo
6:45 am - 12:19 pmTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
8h 34m1 stop Chicago O'Hare Intl
United Airlines Logo
10:56 pm - 9:53 amSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
7h 57m1 stop Chicago O'Hare Intl
$302United Airlines
Wed, Oct 28 - Wed, Nov 4
American Airlines Logo
7:25 am - 2:46 pmTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
10h 21m1 stop Dallas/Fort Worth
American Airlines Logo
6:14 am - 4:29 pmSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
7h 15m1 stop Chicago O'Hare Intl
$325American Airlines
Thu, Dec 10 - Thu, Jan 14
Delta Logo
7:26 pm - 11:55 pmTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
7h 29m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:00 pm - 9:37 pmSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
6h 37m1 stop Minneapolis St Paul
$363Delta
Fri, Nov 13 - Tue, Nov 17
Delta Logo
7:22 pm - 11:57 pmTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
7h 35m1 stop Atlanta Hartsfield-Jackson
Delta Logo
8:25 am - 8:09 pmSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
8h 44m1 stop Atlanta Hartsfield-Jackson
$363Delta
Mon, Jan 11 - Fri, Jan 15
Southwest Logo
5:50 pm - 10:30 pmTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
7h 40m1 stop Denver Intl
Southwest Logo
5:15 am - 3:30 pmSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
7h 15m1 stop Denver Intl
$363Southwest
Fri, Nov 6 - Fri, Nov 13
United Airlines Logo
3:45 pm - 10:51 pmTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
10h 06m1 stop Houston George Bush Intcntl
United Airlines Logo
12:45 pm - 10:32 pmSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
6h 47m1 stop Denver Intl
$363United Airlines
Mon, Jan 11 - Fri, Jan 15
Southwest Logo
4:45 pm - 10:30 pmTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
8h 45m2 stops Nashville Intl Denver Intl
Southwest Logo
5:15 am - 3:30 pmSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
7h 15m1 stop Denver Intl
$368Southwest
Mon, Oct 26 - Sat, Oct 31
Multiple Airlines Logo
9:42 pm - 6:54 pmTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
24h 12m2 stops Las Vegas Harry Reid Intl Los Angeles
Multiple Airlines Logo
4:27 pm - 2:11 pmSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
18h 44m1 stop Denver Intl
$414Multiple Airlines
Thu, Nov 5 - Thu, Nov 12
Multiple Airlines Logo
9:33 pm - 9:45 amTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
15h 12m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
10:50 am - 10:35 pmSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
32h 45m2 stops Ontario Las Vegas Harry Reid Intl
$425Multiple Airlines
Booking Insights

Price, demand and travel trends for Knoxville to Seattle flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Knoxville to Seattle?

Round-trip flights from Knoxville to Seattle typically range from $454 to $653. The lowest price found in the past 5 days was $267, on American Airlines.

What's the cheapest day of the week to fly from Knoxville to Seattle?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Knoxville to Seattle. It’s 3% cheaper than the average day, while Thursday is the most expensive, with prices 8% higher.

What’s the cheapest month to fly from Knoxville to Seattle?

•November is the cheapest month to fly from Knoxville to Seattle at $406 round-trip.
•December ($653) and July ($603) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 60% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Knoxville to Seattle the cheapest?

Flights from Knoxville to Seattle are cheapest 6 weeks before departure. Booking in this window typically costs about 42% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Knoxville to Seattle flights

Low season

January

Cheapest flight

$170
Beat the crowds with an average 69% drop in travelers.
The most popular month to fly with an average 130% increase in travelers.
One-way flight from Knoxville to Seattle

When to book flights from Knoxville to Seattle

Are your dates flexible? Find out the best times to travel from Knoxville to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Knoxville to Seattle flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Knoxville to Seattle?

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

    • Economy Class
    • First Class

  • How long is a flight from Knoxville to Seattle?

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

  • Do I need a passport to fly from Knoxville to Seattle?

    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.

  • How much should I expect to pay for a Knoxville to Seattle flight?

    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.

  • How expensive are last-minute Knoxville to Seattle flights?

    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.

  • Have flight prices from Knoxville to Seattle changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $302 to $2,500. That means the highest observed fare was about 8x higher than the lowest one.

  • How are flight prices from Knoxville to Seattle looking right now?

    One-way fares from Knoxville to Seattle are currently lower than usual. Average one-way flight prices are about $201, which is 31% below the typical average for this route.

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    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

  • Which airports can I use when flying from Knoxville to Seattle?

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

  • Which airports do connecting flights from Knoxville to Seattle pass through?

    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

  • Can I save money by using flexible dates for flights from Knoxville to Seattle?

    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.

  • How much time can I save by choosing a different layover airport from Knoxville to Seattle?

    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).

  • What is the time difference between Knoxville and Seattle?

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

  • What popular places can I visit in Seattle?

    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.

  • How convenient are Knoxville to Seattle flights for Persons with Reduced Mobility (PRMs)?

    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.

  • What pet-friendly airline should I consider for my flight from Knoxville to Seattle?

    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.

  • Which eco-friendly airline should I consider for my Knoxville to Seattle flight?

    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.

  • How can I connect to the city center after deplaning from m Knoxville to Seattle flight at Seattle/Tacoma Intl (SEA)?

    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.

Your guide to booking Knoxville to Seattle flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Thursday. On this route, Monday flights average $547, about $59 less than Thursday fares (10% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 6 weeks before you fly. On this route, that window historically saves about 42% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Knoxville to Seattle trip for November. Fares historically average $406 round-trip in that month - typically $247 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.

    • Coast Gateway Hotel
    • Seattle Airport Marriott
    • Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport
  • Most airlines connecting Knoxville (TYS) to Seattle (SEA) offer flights with at least a single layover. Some of the common layovers to expect on your flight from Knoxville to Seattle are Chicago O'Hare Intl (ORD), Washington, D.C. Dulles Intl (IAD), and Dallas/Fort Worth (DFW).
  • Besides serving as the major destination airport for travelers connecting to Seattle, Seattle/Tacoma Intl (SEA) is also the destination airport for travelers who may be connecting to its nearby cities. Some of these cities are; Victoria, Surrey, and Burnaby. You can easily travel to these cities by renting a car or taxi.
  • To rent a car for movement flexibility after deplaning from your flight from Knoxville to Seattle, you will visit any onsite car rentals conveniently accessible at the Sea-Tac Airport Rental Vehicle Facility within the airport premises. A courtesy bus connects each terminal to the car rental facility.
  • Alaska Airlines is among the family-friendly airlines to consider for your flight from Knoxville to Seattle with children. Besides priority boarding and kid-friendly entertainment, the airline allows families with children under two to travel free on their parent's laps.
  • Among the transport options for travelers connecting from Downtown Knoxville to McGhee Tyson (TYS) are taxis and Knoxville Area Transit (KAT) buses. Among these options, taxis offer a quicker and more flexible option, but they are slightly more expensive compared to buses.

More options for your flight from Knoxville to Seattle

Complete your trip to Seattle with a hotel stay or car rental

Car rentals in Seattle
Hotels in Seattle
Vacations in Seattle