SEA - TYS

$134 Find Cheap Flights from Seattle to Knoxville - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Knoxville departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$267
Typical prices: $388-$630
Delta
Tue 9/22Wed 9/23
SEA - TYS • 1 stop
Cheapest one-way
$132
Typical prices: $228-$353
Multiple Airlines
Wed 11/18
SEA - TYS • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Seattle and Knoxville. You'll need at least 1 connection.
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Top layover airports
Cheapest • Avg $570 (round-trip)
Shortest trip • 7h 06m (one-way)
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When to book
in advance
Our data shows that travelers who book at least 7 weeks in advance save around 20% compared to booking last minute.
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When to travel
Cheapest • 14% price drop
Most popular
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Seattle to Knoxville (SEA-TYS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Knoxville that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Knoxville

Tue, Sep 22 - Wed, Sep 23
Delta Logo
6:00 am - 5:38 pmSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
8h 38m1 stop Detroit Metropolitan Wayne County
Delta Logo
12:23 pm - 6:59 pmTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
9h 36m1 stop Atlanta Hartsfield-Jackson
$267Delta
Tue, Sep 15 - Tue, Sep 29
Delta Logo
10:59 pm - 9:29 amSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
7h 30m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:28 pm - 10:05 pmTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
7h 37m1 stop Detroit Metropolitan Wayne County
$267Delta
Tue, Sep 15 - Wed, Sep 30
American Airlines Logo
6:18 am - 4:11 pmSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
6h 53m1 stop Chicago O'Hare Intl
American Airlines Logo
8:00 am - 12:50 pmTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
7h 50m1 stop Chicago O'Hare Intl
$267American Airlines
Wed, Sep 16 - Sat, Sep 19
American Airlines Logo
10:59 am - 10:42 pmSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
8h 43m1 stop Chicago O'Hare Intl
American Airlines Logo
4:48 pm - 9:36 pmTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
7h 48m1 stop Chicago O'Hare Intl
$267American Airlines
Tue, Sep 22 - Wed, Sep 23
United Airlines Logo
1:57 pm - 12:23 amSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
7h 26m1 stop Chicago O'Hare Intl
United Airlines Logo
4:50 pm - 9:15 pmTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
7h 25m1 stop Denver Intl
$267United Airlines
Tue, Oct 27 - Sat, Oct 31
United Airlines Logo
7:00 am - 4:51 pmSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
6h 51m1 stop Chicago O'Hare Intl
United Airlines Logo
10:51 am - 5:59 pmTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
10h 08m2 stops Chicago O'Hare Intl Denver Intl
$272United Airlines
Tue, Sep 22 - Tue, Sep 29
Southwest Logo
5:20 am - 7:00 pmSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
10h 40m2 stops Chicago Midway Nashville Intl
Southwest Logo
5:30 pm - 11:40 pmTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
9h 10m2 stops Nashville Intl Chicago Midway
$277Southwest
Tue, Sep 22 - Wed, Sep 23
Southwest Logo
5:20 am - 7:00 pmSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
10h 40m2 stops Chicago Midway Nashville Intl
Southwest Logo
5:30 pm - 11:40 pmTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
9h 10m2 stops Nashville Intl Chicago Midway
$277Southwest
Wed, Aug 26 - Sat, Aug 29
Alaska Airlines Logo
8:48 am - 11:46 pmSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
11h 58m2 stops San Diego Chicago O'Hare Intl
Alaska Airlines Logo
7:59 am - 4:56 pmTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
11h 57m2 stops Chicago O'Hare Intl Boise Air Term. Gowen Fld
$701Alaska Airlines
Sat, Nov 21 - Fri, Nov 27
Alaska Airlines Logo
7:56 pm - 6:47 pmSEA  Seattle/Tacoma Intl-TYS Knoxville McGhee Tyson
19h 51m2 stops Portland Chicago O'Hare Intl
Alaska Airlines Logo
2:55 pm - 8:46 pmTYS  Knoxville McGhee Tyson-SEA Seattle/Tacoma Intl
8h 51m1 stop Dallas/Fort Worth
$741Alaska Airlines
Booking Insights

KAYAK's insights & trends for Seattle to Knoxville flights

Get data-powered insights and trends into flights from Seattle to Knoxville to help you find the cheapest flights, the best time to fly and much more.

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

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Seattle to Knoxville departing in September.

Flight prices are below average for this route right now.

Flights to Knoxville from Seattle usually cost between $456 and $603 in September.
The lowest price found in the past 5 days was $267 on Delta (Sep 22-Sep 23).

What is the cheapest month to fly from Seattle to Knoxville?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to Knoxville, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seattle to Knoxville is January, where tickets cost $477 (return) on average. On the other hand, the most expensive months are March and June, where the average cost of round-trip tickets is $681 and $608 respectively.

How far in advance should I book a flight from Seattle to Knoxville?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Seattle to Knoxville, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Seattle to Knoxville, you should book around 7 weeks before departure, which saves you about 20% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 21 weeks before departure.

Good to know

Low season

January

Cheapest flight

$134
Best time to beat the crowds with an average 15% drop in price.
Most popular time to fly and prices are also 6% lower on average.
Flight from Seattle to Knoxville

When to book flights from Seattle to Knoxville

Are your dates flexible? Find out the best times to travel from Seattle to Knoxville based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Seattle to Knoxville

  • Which kid-friendly options does United Airlines provide on flights from Seattle to Knoxville?

    United Airlines offers a range of kid-friendly options on flights from Seattle to Knoxville, ensuring an enjoyable journey for young travelers. Children can enjoy a variety of entertainment choices, including kid-friendly movies, TV shows, and games on personal seat back screens. Additionally, the airline offers activity kits that contain coloring books, games, and puzzles to keep children engaged during the flight.

  • Which American Airlines layovers are common on flights from Seattle to Knoxville?

    Common layovers on flights from Seattle to Knoxville with American Airlines may include cities such as Dallas-Fort Worth, Charlotte, and Chicago. These layovers often provide convenient connections for passengers traveling between the two cities. For instance, passengers may have a layover in Dallas-Fort Worth International Airport, Charlotte Douglas International Airport, or Chicago O'Hare International Airport before continuing their journey to Knoxville.

  • American Airlines uses which lounges for flights from Seattle to Knoxville?

    American Airlines offers access to several lounges for passengers flying from Seattle to Knoxville. One example is the American Airlines Admirals Club at Seattle-Tacoma International Airport. Another option is the Admirals Club at Knoxville's McGhee Tyson Airport, providing a relaxing environment before the flight. These lounges enhance the overall travel experience for American Airlines' customers on this route.

  • Which ground transportation means can I use from the airport after my flight from Seattle to Knoxville?

    After your flight from Seattle to Knoxville, you can utilize numerous public transportation options from the airport. For instance, you can hop on the McGhee Tyson Airport shuttle service, which provides convenient connections to various destinations within Knoxville. Additionally, there are local bus services like KAT (Knoxville Area Transit) that offer affordable and accessible travel throughout the city.

  • What is the cheapest flight from Seattle to Knoxville?

    In the last 5 days, the lowest price for a flight from Seattle to Knoxville was $134 for a one-way ticket and $267 for a round-trip.

  • Do I need a passport to fly between Seattle and Knoxville?

    No

  • Which airports will I be using when flying from Seattle to Knoxville?

    Seattle and Knoxville are both served by 1 main airport. You will leave Seattle from Seattle/Tacoma Intl and will be arriving at Knoxville McGhee Tyson.

  • Which aircraft models fly most regularly from Seattle to Knoxville?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Seattle to Knoxville?

    SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between Seattle and Knoxville, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from Seattle to Knoxville, Alaska Airlines or Delta?

    The two airlines most popular with KAYAK users for flights from Seattle to Knoxville are Alaska Airlines and Delta. With an average price for the route of $760 and an overall rating of 7.9, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $560 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from Seattle to Knoxville?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Knoxville.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Knoxville?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Knoxville from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Knoxville?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Knoxville with an airline and back to Seattle with another airline. Booking your flights between Seattle and TYS can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Knoxville?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Knoxville from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Seattle to Knoxville

  • United Airlines has specific pet restrictions for flights from Seattle (SEA) to Knoxville (TYS). Only cats and dogs are allowed as in-cabin pets, while other animals must be transported in the cargo hold. In-cabin pets must be small enough to fit comfortably in a carrier under the seat in front of you. The weight limit for pets in the cabin is typically 20 lbs., including the weight of the carrier.
  • Passengers flying United Airlines from Seattle to Knoxville can pre-select their seats. When booking their tickets or managing their reservations online, passengers have the option to choose their preferred seats. By pre-selecting seats, passengers can ensure their desired seating arrangements and enhance their travel experience with United Airlines.
  • United Airlines supports sustainable travel on flights from Seattle to Knoxville by implementing various eco-friendly initiatives. They utilize fuel-efficient aircraft, optimize flight routes to reduce fuel consumption, and encourage passengers to participate in their carbon offset program. By prioritizing sustainability, United Airlines strives to minimize their environmental impact and promote greener travel choices.
  • You can rent a car after your flight from Seattle to Knoxville. There are several rental companies available at Knoxville's McGhee Tyson Airport, including major brands like Hertz, Avis, Enterprise, Budget, and National Car Rental. These companies offer a range of vehicles to pick from, accommodating various budgets and preferences. Simply visit their respective counters at the airport to arrange your rental and explore Knoxville and its surroundings conveniently.
  • Frontier Airlines offers a range of in-flight entertainment amenities on their flights from Seattle to Knoxville, ensuring passengers have an enjoyable journey. Travelers can expect to find a variety of options, such as seat back screens with a selection of movies and TV shows, in-flight magazines to browse through, and even free internet connectivity for those who prefer to stream their own entertainment on personal devices.

Everything you need to know for your flight from Seattle to Knoxville

Information on your arrival and departure airports