TYS - SEA

$193 Find Cheap Flights from Knoxville to Seattle - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$385
Typical prices: $455-$652
American Airlines
Wed 12/5Wed 12/12
TYS - SEA • 1 stop
Cheapest one-way
$193
Typical prices: $252-$383
Delta
Wed 12/12
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 39% compared to booking last minute.
Insights
Insights
When to travel
September
Cheapest • 18% 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)
Denver Intl (DEN)
Shortest trip • 7h 19m (one-way)
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Insights
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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

Sat, Dec 5 - Sat, Dec 12
American Airlines Logo
10:20 am - 5:40 pmTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
10h 20m1 stop Charlotte Douglas
American Airlines Logo
6:20 am - 7:05 pmSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
9h 45m1 stop Chicago O'Hare Intl
$385American Airlines
Wed, Dec 2 - Wed, Dec 9
American Airlines Logo
5:32 pm - 10:38 pmTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
8h 06m1 stop Dallas/Fort Worth
American Airlines Logo
12:39 pm - 10:53 pmSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
7h 14m1 stop Charlotte Douglas
$385American Airlines
Wed, Dec 16 - Wed, Dec 30
United Airlines Logo
7:05 am - 1:22 pmTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
9h 17m1 stop Houston George Bush Intcntl
United Airlines Logo
11:44 pm - 10:10 amSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
7h 26m1 stop Chicago O'Hare Intl
$385United Airlines
Sat, Dec 5 - Tue, Dec 8
United Airlines Logo
6:00 am - 11:44 amTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
8h 44m1 stop Chicago O'Hare Intl
United Airlines Logo
8:09 am - 7:47 pmSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
8h 38m1 stop Washington, D.C. Dulles Intl
$385United Airlines
Wed, Dec 9 - Wed, Dec 16
Delta Logo
5:40 am - 10:18 amTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
7h 38m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:59 pm - 11:27 amSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
8h 28m1 stop Atlanta Hartsfield-Jackson
$385Delta
Wed, Feb 24 - Wed, Mar 3
Southwest Logo
2:40 pm - 10:40 pmTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
11h 00m2 stops Dallas Love Field Las Vegas Harry Reid Intl
Southwest Logo
6:20 am - 7:45 pmSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
10h 25m2 stops Chicago Midway Baltimore/Washington
$405Southwest
Wed, Dec 2 - Wed, Dec 9
Southwest Logo
2:40 pm - 10:50 pmTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
11h 10m2 stops Dallas Love Field Denver Intl
Southwest Logo
6:10 am - 3:30 pmSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
6h 20m1 stop Denver Intl
$405Southwest
Thu, Dec 3 - Mon, Dec 14
Delta Logo
6:17 pm - 11:55 pmTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
8h 38m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:40 pm - 10:01 amSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
8h 21m1 stop Atlanta Hartsfield-Jackson
$435Delta
Thu, Jan 21 - Thu, Jan 28
Multiple Airlines Logo
10:00 am - 5:18 pmTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
34h 18m2 stops Phoenix Sky Harbor Intl Las Vegas Harry Reid Intl
Multiple Airlines Logo
6:33 pm - 4:50 pmSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
19h 17m1 stop Las Vegas Harry Reid Intl
$435Multiple Airlines
Thu, Dec 10 - Sun, Jan 10
Multiple Airlines Logo
1:58 pm - 3:43 pmTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
28h 45m2 stops Phoenix Sky Harbor Intl Denver Intl
Multiple Airlines Logo
11:53 am - 1:16 pmSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
22h 23m1 stop Las Vegas Harry Reid Intl
$519Multiple 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 $455 to $652. The lowest price found in the past 5 days was $385, 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, Wednesday is the cheapest day of the week to fly from Knoxville to Seattle. It’s 7% 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?

•September is the cheapest month to fly from Knoxville to Seattle at $456 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 43% 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 39% 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

December

Cheapest flight

$193
Beat the crowds with an average 67% drop in travelers.
The most popular month to fly with an average 89% 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 $455 to $652, with an average of $559 over the past 12 months. Anything below $455 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 25% above the $559 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 $385 to $2,234. That means the highest observed fare was about 6x 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 $236, which is 19% 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 averaging $61 for economy cars. Top options include:

    • Europcar
    • Fox
    • Thrifty
    • Budget
    • Dollar

  • 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) - 39% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 34% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 12% of one-stop connections
    • Charlotte Douglas (CLT) - 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 14% on flights from Knoxville to Seattle. Wednesday is the cheapest departure day at $523 round-trip on average, while Thursday is the most expensive at $606, a difference of $83.

    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 Denver Intl (DEN) gives the shortest average 1-stop total travel time at 7h 19m, compared with 7h 26m via Atlanta Hartsfield-Jackson (ATL) and 7h 26m via Minneapolis St Paul (MSP).

  • 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 Wednesday departure and avoid flying on Thursday. On this route, Wednesday flights average $523, about $83 less than Thursday fares (14% 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 39% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Knoxville to Seattle trip for September. Fares historically average $456 round-trip in that month - typically $197 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

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