Cheap flights from Knoxville to Seattle (TYS - SEA)

TYS — SEA
Dec 6 — Dec 131

The best prices from Knoxville McGhee Tyson to Seattle/Tacoma Intl are usually found in February or January, booked 50 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

How to find the cheapest flight from Knoxville (TYS) to Seattle (SEA)

All the information you need to plan the best TYS to SEA flight in 2022: compare Knoxville to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.

TYS - SEA

Price

$344 - $827

SEA

Temperature

41 - 66.2 °F

SEA

Rainfall

0.7 - 6.6 inches

Popular inJulyHigh demand for flights, 32% potential price rise
Cheapest inFebruaryBest time to find cheap flights, 39% potential price drop
Round-trip from$344From Knoxville McGhee Tyson to Seattle/Tacoma Intl
One-way from$76One-way flight from Knoxville McGhee Tyson to Seattle/Tacoma Intl

What is the cheapest day to fly round-trip from Knoxville to Seattle?

Flights from Knoxville to Seattle are found to be more expensive on Sunday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Seattle.

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

Find a great deal and save up to 25% by booking at least 50 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Knoxville to Seattle within the next two weeks, with the cheapest ticket starting at $675.

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

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to Seattle. Flights to Seattle from Knoxville in February are about $561 on average during February, but can be found for as low as $308.

When is the cheapest time to fly from Knoxville to Seattle (TYS - SEA)?

It’s typically best to fly out from Knoxville to Seattle in the evening. Doing so could potentially save you 22% on the flight price compared to flying at noon, which is usually more expensive.

Cheap flights from Knoxville to Seattle in December, January 2022

The best prices found for TYS to SEA flights for December, January
Jan 30 - Feb 2
TYS

Knoxville McGhee Tyson

SEA

Seattle/Tacoma Intl

1 stop

25h 02m
SEA

Seattle/Tacoma Intl

TYS

Knoxville McGhee Tyson

1 stop

13h 00m
$164

Frontier

Pick Dates

Deal found 12/1

Jan 28 - Feb 4
TYS

Knoxville McGhee Tyson

SEA

Seattle/Tacoma Intl

1 stop

25h 18m
SEA

Seattle/Tacoma Intl

TYS

Knoxville McGhee Tyson

1 stop

12h 56m
$179

Multiple Airlines

Pick Dates

Deal found 11/30

Jan 30 - Feb 2
TYS

Knoxville McGhee Tyson

SEA

Seattle/Tacoma Intl

2 stops

21h 24m
SEA

Seattle/Tacoma Intl

TYS

Knoxville McGhee Tyson

1 stop

13h 00m
$191

Frontier

Pick Dates

Deal found 12/1

Knoxville to Seattle 2022 flight deals

Cheap flights to Seattle from Knoxville found for this year
Dec 5 - Dec 11
TYS

Knoxville McGhee Tyson

SEA

Seattle/Tacoma Intl

1 stop

15h 14m
SEA

Seattle/Tacoma Intl

TYS

Knoxville McGhee Tyson

1 stop

25h 09m
$210

Frontier

Pick Dates

Deal found 11/29

Dec 5 - Dec 12
TYS

Knoxville McGhee Tyson

SEA

Seattle/Tacoma Intl

1 stop

15h 14m
SEA

Seattle/Tacoma Intl

TYS

Knoxville McGhee Tyson

2 stops

29h 58m
$241

Frontier

Pick Dates

Deal found 11/30

Dec 5 - Dec 12
TYS

Knoxville McGhee Tyson

SEA

Seattle/Tacoma Intl

1 stop

15h 14m
SEA

Seattle/Tacoma Intl

TYS

Knoxville McGhee Tyson

1 stop

8h 29m
$265

Multiple Airlines

Pick Dates

Deal found 11/30

Cheap Frontier flights from Knoxville to Seattle

Jan 30 - Feb 2
TYS

Knoxville McGhee Tyson

SEA

Seattle/Tacoma Intl

1 stop

25h 02m
SEA

Seattle/Tacoma Intl

TYS

Knoxville McGhee Tyson

1 stop

13h 00m
$164

Frontier

Pick Dates

Deal found 12/1

Jan 30 - Feb 2
TYS

Knoxville McGhee Tyson

SEA

Seattle/Tacoma Intl

2 stops

21h 24m
SEA

Seattle/Tacoma Intl

TYS

Knoxville McGhee Tyson

1 stop

13h 00m
$191

Frontier

Pick Dates

Deal found 12/1

Feb 6 - Feb 12
TYS

Knoxville McGhee Tyson

SEA

Seattle/Tacoma Intl

1 stop

25h 02m
SEA

Seattle/Tacoma Intl

TYS

Knoxville McGhee Tyson

1 stop

25h 50m
$204

Frontier

Pick Dates

Deal found 11/29

Cheap United Airlines flights from Knoxville to Seattle

Feb 1 - Feb 8
TYS

Knoxville McGhee Tyson

SEA

Seattle/Tacoma Intl

1 stop

18h 51m
SEA

Seattle/Tacoma Intl

TYS

Knoxville McGhee Tyson

1 stop

12h 37m
$314

United Airlines

Pick Dates

Deal found 12/1

Jan 19 - Jan 25
TYS

Knoxville McGhee Tyson

SEA

Seattle/Tacoma Intl

1 stop

18h 51m
SEA

Seattle/Tacoma Intl

TYS

Knoxville McGhee Tyson

1 stop

12h 37m
$325

United Airlines

Pick Dates

Deal found 11/29

Dec 6 - Dec 29
TYS

Knoxville McGhee Tyson

SEA

Seattle/Tacoma Intl

2 stops

17h 31m
SEA

Seattle/Tacoma Intl

TYS

Knoxville McGhee Tyson

2 stops

14h 55m
$586

United Airlines

Pick Dates

Deal found 11/29

Last minute flights from Knoxville to Seattle

Late deals on return flights to Seattle from Knoxville, departing today and this week
Dec 6 - Dec 29
TYS

Knoxville McGhee Tyson

SEA

Seattle/Tacoma Intl

2 stops

22h 28m
SEA

Seattle/Tacoma Intl

TYS

Knoxville McGhee Tyson

1 stop

8h 24m
$359

Multiple Airlines

Pick Dates

Deal found 11/29

Dec 7 - Dec 10
TYS

Knoxville McGhee Tyson

SEA

Seattle/Tacoma Intl

2 stops

28h 33m
SEA

Seattle/Tacoma Intl

TYS

Knoxville McGhee Tyson

1 stop

10h 47m
$418

Multiple Airlines

Pick Dates

Deal found 11/30

Dec 7 - Dec 10
TYS

Knoxville McGhee Tyson

SEA

Seattle/Tacoma Intl

2 stops

25h 51m
SEA

Seattle/Tacoma Intl

TYS

Knoxville McGhee Tyson

2 stops

21h 06m
$522

Multiple Airlines

Pick Dates

Deal found 11/30

One-way flights to Seattle from Knoxville

The cheapest one-way flights from Knoxville to Seattle
Jan 14
TYS

Knoxville McGhee Tyson

SEA

Seattle/Tacoma Intl

1 stop

25h 18m
$76

Frontier

Pick Dates

Deal found 12/1

Apr 3
TYS

Knoxville McGhee Tyson

SEA

Seattle/Tacoma Intl

1 stop

15h 40m
$87

Frontier

Pick Dates

Deal found 12/1

Jan 15
TYS

Knoxville McGhee Tyson

SEA

Seattle/Tacoma Intl

1 stop

20h 53m
$103

Multiple Airlines

Pick Dates

Deal found 12/1

Related info for your journey

Useful info, stats and facts about Knoxville to Seattle flights.

Which airlines flying from Knoxville McGhee Tyson to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?

American Airlines, Delta, and United Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Knoxville to Seattle for under $200 on Cheapflights?

Yes, there are multiple flights from Knoxville to Seattle for under $200. The cheapest flight booked recently is on Frontier for just $164, but on average you can expect to pay $218.

Are there last-minute flights available from Knoxville to Seattle for under $400?

There are currently 11+ open flights from Knoxville to Seattle within the next 7 days for less than $400.

How popular is this Knoxville to Seattle flight route?

Within the past month, 14 users have taken a look at flights from Knoxville McGhee Tyson to Seattle/Tacoma Intl.

What is the cheapest airline to fly from Knoxville to Seattle round-trip?

According to our current data, Frontier ($164), offers the cheapest pricing from Knoxville to Seattle. This flight start at 70% lower than the current average price 3 months from now.

What are the most popular airlines that fly from Knoxville to Seattle?

The most popular airlines flying from Knoxville to Seattle are American Airlines, Alaska Airlines and Delta. Something to consider prior to booking your flight.

What are the cheapest flights from Knoxville to Seattle?

While on average a flight from Knoxville to Seattle is generally $992, our data shows the cheapest flight currently is $131. When looking at the most popular route, (Knoxville McGhee Tyson - Seattle/Tacoma Intl), you can expect to pay $205 for that flight.

Alternative routes for Knoxville to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Knoxville to Seattle

The chart below displays the airlines Cheapflights users traveling from Knoxville to Seattle choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$14Average$22FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
FrontierCheapest$144Average$247FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
United AirlinesCheapest$335Average$646FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
American AirlinesCheapest$387Average$626FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
DeltaCheapest$413Average$763FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
Alaska AirlinesCheapest$419Average$676FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights