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Cheap flights from Seattle to Knoxville from $191

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Knoxville departing on 2/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seattle to Knoxville

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to Knoxville that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to Knoxville.

Cheap last minute flights

Planning a quick getaway from Seattle to Knoxville? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Knoxville, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to Knoxville

Find recent round-trip train or bus tickets from Seattle to Knoxville.

All round-trip flight deals from Seattle to Knoxville

The cheapest plane tickets from Seattle to Knoxville found on KAYAK recently.
5:38 pm - 6:22 pmSEA-TYS
21h 44m2 stops
7:15 am - 11:46 amTYS-SEA
31h 31m2 stops
Tue, Mar 4 - Fri, Mar 7
5:38 pm - 6:22 pmSEA-TYS
21h 44m2 stops
7:15 am - 11:46 amTYS-SEA
31h 31m2 stops
Tue, Mar 4 - Fri, Mar 7
11:59 pm - 2:44 pmSEA-TYS
11h 45m1 stop
3:09 pm - 11:05 pmTYS-SEA
10h 56m1 stop
$337American Airlines
Find Deal
Tue, Apr 15 - Tue, Apr 22
11:59 pm - 2:44 pmSEA-TYS
11h 45m1 stop
3:09 pm - 11:05 pmTYS-SEA
10h 56m1 stop
$437American Airlines
Find Deal
Fri, Apr 4 - Sun, Apr 6
11:59 pm - 11:00 pmSEA-TYS
20h 01m1 stop
7:00 am - 10:42 pmTYS-SEA
18h 42m1 stop
$497United Airlines
Find Deal
Sat, Feb 22 - Sat, Mar 1
11:59 pm - 10:55 pmSEA-TYS
19h 56m1 stop
7:05 am - 9:01 pmTYS-SEA
16h 56m2 stops
$501United Airlines
Find Deal
Fri, Mar 7 - Wed, Mar 12
6:15 am - 6:37 pmSEA-TYS
9h 22m1 stop
5:45 am - 10:45 amTYS-SEA
8h 00m1 stop
$509Delta
Find Deal
Tue, Feb 11 - Tue, Feb 18
6:15 am - 6:37 pmSEA-TYS
9h 22m1 stop
7:25 am - 2:24 pmTYS-SEA
9h 59m1 stop
$594Delta
Find Deal
Wed, Feb 12 - Mon, Feb 17
11:59 pm - 11:31 amSEA-TYS
8h 32m1 stop
6:50 pm - 10:28 amTYS-SEA
18h 38m1 stop
$759Alaska Airlines
Find Deal
Tue, Mar 4 - Fri, Mar 7
7:59 pm - 7:12 pmSEA-TYS
20h 13m2 stops
6:50 pm - 10:28 amTYS-SEA
18h 38m1 stop
$764Alaska Airlines
Find Deal
Tue, Mar 4 - Fri, Mar 7
8:30 am - 11:13 pmSEA-TYS
35h 43m3 stops
Wed, Feb 26
11:59 pm - 11:37 pmSEA-TYS
20h 38m2 stops
Sat, Jul 19
12:43 am - 11:31 amSEA-TYS
7h 48m1 stop
$255American Airlines
Find Deal
Tue, Feb 25
8:50 am - 11:00 pmSEA-TYS
11h 10m2 stops
$260United Airlines
Find Deal
Wed, Feb 26
9:48 am - 4:36 pmSEA-TYS
27h 48m2 stops
Fri, Mar 28
11:59 pm - 2:21 pmSEA-TYS
11h 22m1 stop
$348American Airlines
Find Deal
Sun, May 4
5:00 am - 10:29 pmSEA-TYS
14h 29m1 stop
$362United Airlines
Find Deal
Mon, May 5
6:00 am - 4:08 pmSEA-TYS
7h 08m1 stop
$370Frontier
Find Deal
Sun, Jul 13
5:08 pm - 4:08 pmSEA-TYS
20h 00m1 stop
$381Frontier
Find Deal
Sat, Jul 19
11:05 pm - 10:03 amSEA-TYS
7h 58m1 stop
$405Delta
Find Deal
Thu, May 15
7:10 am - 2:00 pmSEA-TYS
27h 50m3 stops
9:16 pm - 6:52 pmTYS-SEA
24h 36m3 stops
Sun, Jan 26 - Thu, Feb 27
11:59 pm - 5:27 pmSEA-TYS
14h 28m1 stop
12:19 pm - 9:20 pmTYS-SEA
12h 01m1 stop
$756American Airlines
Find Deal
Sun, Jan 26 - Thu, Feb 27
9:00 am - 10:29 pmSEA-TYS
10h 29m1 stop
8:30 am - 6:15 pmTYS-SEA
12h 45m1 stop
$760United Airlines
Find Deal
Sat, Jan 25 - Sat, Feb 1
9:00 am - 10:29 pmSEA-TYS
10h 29m1 stop
4:25 pm - 11:20 amTYS-SEA
21h 55m2 stops
$765United Airlines
Find Deal
Sat, Jan 25 - Sat, Feb 1
11:17 pm - 4:59 pmSEA-TYS
14h 42m2 stops
7:00 am - 10:42 pmTYS-SEA
18h 42m1 stop
$768United Airlines
Find Deal
Sun, Jan 26 - Thu, Feb 27
5:00 am - 10:42 pmSEA-TYS
14h 42m2 stops
7:00 am - 9:11 pmTYS-SEA
17h 11m2 stops
$771United Airlines
Find Deal
Sat, Jan 25 - Sat, Feb 1
4:30 pm - 11:26 amSEA-TYS
15h 56m1 stop
5:23 am - 8:04 pmTYS-SEA
17h 41m1 stop
$777American Airlines
Find Deal
Mon, Jan 27 - Sat, Feb 1
5:55 pm - 6:55 pmSEA-TYS
22h 00m3 stops
2:03 pm - 5:00 pmTYS-SEA
29h 57m3 stops
Sat, Jan 25 - Sat, Feb 1
12:45 am - 5:27 pmSEA-TYS
13h 42m1 stop
5:23 am - 8:04 pmTYS-SEA
17h 41m1 stop
$803American Airlines
Find Deal
Sun, Jan 26 - Sat, Feb 1
7:00 am - 11:46 pmSEA-TYS
13h 46m2 stops
7:00 am - 10:45 pmTYS-SEA
18h 45m2 stops
$811United Airlines
Find Deal
Sun, Jan 26 - Thu, Feb 27

American Airlines flights from Seattle to Knoxville

Our best American Airlines deals on Seattle to Knoxville flight tickets
American Airlines
Apr 15
SEA11:59 pmSeattle/Tacoma Intl
11h 45m
1 stop
TYS2:44 pmKnoxville McGhee Tyson
Apr 22
TYS3:09 pmKnoxville McGhee Tyson
10h 56m
1 stop
SEA11:05 pmSeattle/Tacoma Intl
American Airlines
Apr 4
SEA11:59 pmSeattle/Tacoma Intl
11h 45m
1 stop
TYS2:44 pmKnoxville McGhee Tyson
Apr 6
TYS3:09 pmKnoxville McGhee Tyson
10h 56m
1 stop
SEA11:05 pmSeattle/Tacoma Intl
American Airlines
Mar 8
SEA11:59 pmSeattle/Tacoma Intl
13h 29m
1 stop
TYS5:28 pmKnoxville McGhee Tyson
Mar 15
TYS11:10 amKnoxville McGhee Tyson
14h 57m
1 stop
SEA11:07 pmSeattle/Tacoma Intl

Delta flights from Seattle to Knoxville

Our best Delta deals on Seattle to Knoxville flight tickets
Delta
Feb 11
SEA6:15 amSeattle/Tacoma Intl
9h 22m
1 stop
TYS6:37 pmKnoxville McGhee Tyson
Feb 18
TYS5:45 amKnoxville McGhee Tyson
8h 00m
1 stop
SEA10:45 amSeattle/Tacoma Intl
Delta
Feb 12
SEA6:15 amSeattle/Tacoma Intl
9h 22m
1 stop
TYS6:37 pmKnoxville McGhee Tyson
Feb 17
TYS7:25 amKnoxville McGhee Tyson
9h 59m
1 stop
SEA2:24 pmSeattle/Tacoma Intl
Delta
Jun 17
SEA9:20 pmSeattle/Tacoma Intl
8h 53m
1 stop
TYS9:13 amKnoxville McGhee Tyson
Jun 25
TYS7:25 pmKnoxville McGhee Tyson
7h 40m
1 stop
SEA12:05 amSeattle/Tacoma Intl

See travel insights to Knoxville from

How to get the cheapest flight ticket from Seattle to Knoxville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Knoxville?

The month of February is, on average, the cheapest month to fly to Knoxville from Seattle, with most prices found around $609. If you aren’t able to travel during the month of February, then book flights to Knoxville from Seattle during August instead. Flights to Knoxville in August, while not as cheap as those in February, still average around $618.

What is the cheapest day to depart on your flight to Knoxville?

The cheapest day to depart from Seattle to Knoxville is on a Tuesday. Travelers who choose to depart for Knoxville on a Tuesday will often find tickets for as low as $596. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Knoxville for around $758.

What is the cheapest time of day to depart on your flight to Knoxville?

In the afternoon is the cheapest time of day to fly from Seattle to Knoxville when you can find flight prices for as low as $189. Flying to Knoxville in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Knoxville is in the morning when prices are around $656.

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

You are more likely to see cheaper flights to Knoxville from Seattle when booking 18 weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $668 when searching 18 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from Seattle for as low as $456 on momondo.

How have Seattle to Knoxville flight prices changed over time?

As of January 2025, prices for Seattle to Knoxville flights are approximately 45% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Knoxville

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Knoxville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Knoxville (SEA to TYS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Knoxville

Best Price Found

$191

Fastest flight time

6h 36m

Direct flights

None

Airports in Knoxville

1 airport
The best one-way flight to Knoxville from Seattle in the past 72 hours is $191. The best round-trip flight deal from Seattle to Knoxville found on momondo in the last 72 hours is $310.
The fastest flight from Seattle to Knoxville takes 6h 36m
There are no direct flights from Seattle to Knoxville. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Knoxville McGhee Tyson Airport.
There is 1 airport near Knoxville: Knoxville McGhee Tyson (TYS)

  • How far is Seattle/Tacoma Intl to Knoxville McGhee Tyson by plane?

    Seattle/Tacoma Intl and Knoxville McGhee Tyson are 2108.9 mi apart from one another. In terms of flight time, this usually takes a little over 6h 36m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Knoxville McGhee Tyson Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Knoxville McGhee Tyson Airport were last updated today.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Knoxville McGhee Tyson Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Knoxville McGhee Tyson Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Knoxville McGhee Tyson Airport.

  • What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?

    The required travel and health documents for your Knoxville McGhee Tyson Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Knoxville McGhee Tyson Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Seattle to Knoxville?


Best airlines flying from Seattle to Knoxville

Compare and see reviews for airlines that fly from Seattle to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $158Free CancellationRating
6.0
3,440 reviews
Search Frontier flights
American AirlinesPriceFrom $416Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $495Free CancellationRating
7.4
8,971 reviews
Search United Airlines flights
DeltaPriceFrom $515Free CancellationRating
8.0
8,508 reviews
Search Delta flights
Alaska AirlinesPriceFrom $663Free CancellationRating
8.0
9,699 reviews
Search Alaska Airlines flights

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Gatlinburg
Cherokee
Bryson City
Morristown
Corbin
Maryville
Crossville
Murphy
Newport
Alcoa
Oak Ridge
Kodak
Clinton
Lenoir City
Dandridge
Jefferson City
Rockford

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Knoxville?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Knoxville. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seattle to Knoxville with flexible booking policies on momondo?

momondo does allow users to show only those flights to Knoxville from Seattle which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Seattle to Knoxville?

momondo provides multiple filters to help you find the best flight to Knoxville from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Seattle to Knoxville right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Knoxville, momondo offers a useful price alert feature which will track prices for flights to Knoxville from Seattle and alert you when they change.


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