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Cheap flights from Seattle to Knoxville from $201

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 1/5. 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 to Knoxville

The cheapest plane tickets to Knoxville found on KAYAK recently.
5:55 pm - 9:09 pmSEA-TYS
24h 14m3 stops
1:58 pm - 12:19 amTYS-SEA
13h 21m1 stop
Fri, Jan 24 - Mon, Jan 27
7:10 am - 1:08 pmSEA-TYS
26h 58m1 stop
6:30 am - 2:16 pmTYS-SEA
34h 46m2 stops
Thu, Feb 6 - Thu, Feb 13
11:59 pm - 2:44 pmSEA-TYS
11h 45m1 stop
3:09 pm - 11:05 pmTYS-SEA
10h 56m1 stop
$377American Airlines
Find Deal
Fri, Apr 4 - Sat, Apr 12
11:59 pm - 2:44 pmSEA-TYS
11h 45m1 stop
3:09 pm - 11:05 pmTYS-SEA
10h 56m1 stop
$422American Airlines
Find Deal
Fri, Apr 4 - Fri, Apr 11
11:05 am - 1:18 pmSEA-TYS
23h 13m1 stop
1:59 pm - 11:10 pmTYS-SEA
12h 11m1 stop
$497United Airlines
Find Deal
Tue, Jan 14 - Sat, Jan 18
11:59 pm - 4:59 pmSEA-TYS
14h 00m1 stop
9:35 am - 10:53 pmTYS-SEA
16h 18m2 stops
$502United Airlines
Find Deal
Tue, Jan 21 - Tue, Jan 28
5:35 pm - 9:21 amSEA-TYS
12h 46m2 stops
7:30 am - 2:17 pmTYS-SEA
9h 47m1 stop
$587Delta
Find Deal
Sat, Apr 12 - Wed, Apr 16
6:39 am - 9:49 pmSEA-TYS
12h 10m2 stops
5:24 am - 11:54 amTYS-SEA
9h 30m1 stop
$763Alaska Airlines
Find Deal
Thu, Apr 10 - Mon, Apr 14
6:39 am - 9:49 pmSEA-TYS
12h 10m2 stops
12:14 pm - 8:00 pmTYS-SEA
10h 46m1 stop
$783Alaska Airlines
Find Deal
Thu, Apr 10 - Mon, Apr 14
5:35 pm - 9:21 amSEA-TYS
12h 46m2 stops
6:45 am - 12:54 pmTYS-SEA
9h 09m1 stop
$1,011Delta
Find Deal
Sat, Apr 12 - Sat, Apr 19
9:21 pm - 1:37 pmSEA-TYS
13h 16m1 stop
Sun, Jan 5
6:11 am - 1:37 pmSEA-TYS
28h 26m2 stops
Sun, Jan 5
9:21 pm - 9:15 pmSEA-TYS
20h 54m3 stops
Sun, Jan 5
7:20 am - 12:20 amSEA-TYS
14h 00m1 stop
$258American Airlines
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Wed, Jan 1
12:31 am - 11:08 amSEA-TYS
7h 37m1 stop
$265American Airlines
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Tue, Dec 31
11:59 pm - 5:40 pmSEA-TYS
14h 41m1 stop
$298American Airlines
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Tue, Apr 8
5:00 am - 7:22 pmSEA-TYS
11h 22m2 stops
$319United Airlines
Find Deal
Wed, Jan 1
5:00 am - 10:22 pmSEA-TYS
14h 22m2 stops
$358United Airlines
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Wed, Apr 9
11:30 pm - 11:05 amSEA-TYS
8h 35m1 stop
$404Delta
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Sun, Apr 13
12:49 am - 11:06 pmSEA-TYS
19h 17m1 stop
$752Delta
Find Deal
Sun, Apr 6
12:55 am - 5:20 pmSEA-TYS
13h 25m1 stop
5:14 am - 2:50 pmTYS-SEA
12h 36m1 stop
$919American Airlines
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Sun, Dec 29 - Fri, Jan 3
2:13 pm - 12:20 amSEA-TYS
7h 07m1 stop
7:05 am - 12:49 pmTYS-SEA
8h 44m1 stop
$948American Airlines
Find Deal
Wed, Dec 25 - Wed, Jan 1
3:22 pm - 4:54 pmSEA-TYS
22h 32m2 stops
6:55 am - 10:44 pmTYS-SEA
18h 49m1 stop
$1,005United Airlines
Find Deal
Wed, Dec 25 - Wed, Jan 1
3:22 pm - 4:54 pmSEA-TYS
22h 32m2 stops
6:55 am - 9:15 pmTYS-SEA
17h 20m2 stops
$1,063United Airlines
Find Deal
Wed, Dec 25 - Wed, Jan 1
6:13 pm - 10:39 amSEA-TYS
13h 26m2 stops
6:55 am - 10:44 pmTYS-SEA
18h 49m1 stop
$1,077United Airlines
Find Deal
Wed, Dec 25 - Wed, Jan 1
5:00 am - 8:48 pmSEA-TYS
12h 48m2 stops
6:55 am - 9:15 pmTYS-SEA
17h 20m2 stops
$1,103United Airlines
Find Deal
Wed, Dec 25 - Wed, Jan 1

Alaska Airlines flights from Seattle to Knoxville

Our best Alaska Airlines deals on Seattle to Knoxville flight tickets
Alaska Airlines
Apr 10
SEA6:39 amSeattle/Tacoma Intl
12h 10m
2 stops
TYS9:49 pmKnoxville McGhee Tyson
Apr 14
TYS5:24 amKnoxville McGhee Tyson
9h 30m
1 stop
SEA11:54 amSeattle/Tacoma Intl
Alaska Airlines
Apr 10
SEA6:39 amSeattle/Tacoma Intl
12h 10m
2 stops
TYS9:49 pmKnoxville McGhee Tyson
Apr 14
TYS12:14 pmKnoxville McGhee Tyson
10h 46m
1 stop
SEA8:00 pmSeattle/Tacoma Intl
Alaska Airlines
Jun 20
SEA5:30 amSeattle/Tacoma Intl
12h 52m
2 stops
TYS9:22 pmKnoxville McGhee Tyson
Jun 23
TYS2:32 pmKnoxville McGhee Tyson
8h 50m
1 stop
SEA8:22 pmSeattle/Tacoma Intl

American Airlines flights from Seattle to Knoxville

Our best American Airlines deals on Seattle to Knoxville flight tickets
American Airlines
Apr 4
SEA11:59 pmSeattle/Tacoma Intl
11h 45m
1 stop
TYS2:44 pmKnoxville McGhee Tyson
Apr 12
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 11
TYS3:09 pmKnoxville McGhee Tyson
10h 56m
1 stop
SEA11:05 pmSeattle/Tacoma Intl
American Airlines
Apr 10
SEA11:59 pmSeattle/Tacoma Intl
11h 45m
1 stop
TYS2:44 pmKnoxville McGhee Tyson
Apr 17
TYS3:09 pmKnoxville McGhee Tyson
10h 56m
1 stop
SEA11:05 pmSeattle/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?

We recommend purchasing flights from Seattle to Knoxville 6 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Knoxville for $658. Keep in mind that you might also find cheap flights to Knoxville outside of this time window. In fact, momondo users recently found flights from Seattle to Knoxville for $270.

Can stopping save me money on Seattle to Knoxville flights?

You could potentially save up to 10% on your flight if you consider stops on a Seattle to Knoxville flight.

How have Seattle to Knoxville flight prices changed over time?

As of December 2024, prices for Seattle to Knoxville flights are approximately 20% 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

$201

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 $201. The best round-trip flight deal from Seattle to Knoxville found on momondo in the last 72 hours is $318.
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
6.1
3,468 reviews
Search Frontier flights
American AirlinesPriceFrom $392Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $492Free CancellationRating
7.4
9,009 reviews
Search United Airlines flights
DeltaPriceFrom $518Free CancellationRating
8.0
8,580 reviews
Search Delta flights
Alaska AirlinesPriceFrom $663Free CancellationRating
8.0
9,555 reviews
Search Alaska Airlines flights

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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