Cheap Flights from Knoxville, TN to Seattle, WA from $190

Return flight: Seattle – Knoxville

On Cheapflightsplus.com you will find 60 connecting flights from Knoxville to Seattle. You can compare airfare deals from 3 airlines and multiple travel sites from $190, book and save on cheap plane tickets and last minute offers. Also check out TYS-SEA flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Knoxville to Seattle Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $190 (one-way), $326 (round-trip).
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Full flight schedule will help you in detecting at what time planes fly from Knoxville to Seattle. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
05:23 — 12:29
05:23 — 07:08 AS4348 Alaska Airlines
Knoxville — Dallas
2h 52m stop
10:00 — 12:29 AS573 Alaska Airlines
Dallas — Seattle
10h 6m
including layover
Find flight
from$464
06:45 — 20:35
07:00 — 08:45 UA4913 United Airlines
Knoxville — Houston
9h stop
18:59 — 21:57 AS439 Alaska Airlines
Houston — Seattle
16h 50m
including layover
Find flight
from$599
07:00 — 22:53
07:00 — 08:02 UA1677 United Airlines
Knoxville — Chicago
12h 2m stop
20:04 — 22:53 UA2211 United Airlines
Chicago — Seattle
18h 53m
including layover
Find flight
from$315
07:00 — 16:16
07:00 — 08:02 UA1677 United Airlines
Knoxville — Chicago
5h 28m stop
13:30 — 16:16 UA1485 United Airlines
Chicago — Seattle
12h 16m
including layover
Find flight
from$362
08:30 — 09:59
+1 day
08:30 — 10:18 UA5673 United Airlines
Knoxville — Denver
21h 32m stop
07:50 — 09:59 UA204 United Airlines
Denver — Seattle
28h 29m
including layover
Find flight
from$366
09:00 — 17:37
09:00 — 10:48 G41400 Allegiant Air
Knoxville — Las Vegas
4h 9m stop
14:57 — 17:37 NK781 Spirit Airlines
Las Vegas — Seattle
11h 37m
including layover
Find flight
from$190
13:55 — 22:53
13:55 — 14:51 UA5844 United Airlines
Knoxville — Chicago
5h 13m stop
20:04 — 22:53 UA2211 United Airlines
Chicago — Seattle
11h 58m
including layover
Find flight
from$454
14:00 — 18:45
14:00 — 14:55 UA4408 United Airlines
Knoxville — Chicago
1h 10m stop
16:05 — 18:45 UA2278 United Airlines
Chicago — Seattle
7h 45m
including layover
Find flight
from$475
14:40 — 20:19
14:40 — 16:21 UA4848 United Airlines
Knoxville — Washington D.C.
58m stop
17:19 — 20:19 UA1730 United Airlines
Washington D.C. — Seattle
8h 39m
including layover
Find flight
from$475
16:25 — 09:59
+1 day
16:25 — 18:01 UA1303 United Airlines
Knoxville — Denver
13h 49m stop
07:50 — 09:59 UA204 United Airlines
Denver — Seattle
20h 34m
including layover
Find flight
from$366
16:25 — 18:15
+1 day
16:25 — 18:01 UA1303 United Airlines
Knoxville — Denver
22h 9m stop
16:10 — 18:15 UA745 United Airlines
Denver — Seattle
28h 50m
including layover
Find flight
from$366
17:47 — 12:07
+1 day
17:47 — 18:50 UA5305 United Airlines
Knoxville — Chicago
14h 30m stop
09:20 — 12:07 UA2849 United Airlines
Chicago — Seattle
21h 20m
including layover
Find flight
from$248
17:47 — 22:53
17:35 — 18:38 UA5305 United Airlines
Knoxville — Chicago
1h 14m stop
19:55 — 22:44 UA2211 United Airlines
Chicago — Seattle
8h 6m
including layover
Find flight
from$466
05:45 — 13:55
05:45 — 07:31 UA4311 United Airlines
Knoxville — Washington D.C.
1h 2m stop
08:33 — 10:35 UA1017 United Airlines
Washington D.C. — Denver
1h 15m stop
11:50 — 13:55 UA690 United Airlines
Denver — Seattle
11h 10m
including layover
Find flight
from$472
06:45 — 15:45
06:45 — 08:36 UA4913 United Airlines
Knoxville — Houston
1h 4m stop
09:40 — 12:05 UA1605 United Airlines
Houston — San Francisco
1h 20m stop
13:25 — 15:45 UA593 United Airlines
San Francisco — Seattle
12h
including layover
Find flight
from$472
08:30 — 00:15
+1 day
08:30 — 10:21 G43051 Allegiant Air
Knoxville — Tampa
6h 26m stop
16:47 — 19:01 NK184 Spirit Airlines
Tampa — Las Vegas
2h 27m stop
21:28 — 00:15 NK181 Spirit Airlines
Las Vegas — Seattle
18h 45m
including layover
Find flight
from$321
09:00 — 23:10
09:00 — 10:48 G41400 Allegiant Air
Knoxville — Las Vegas
5h 11m stop
15:59 — 17:19 NK1495 Spirit Airlines
Las Vegas — Los Angeles
3h 3m stop
20:22 — 23:10 NK804 Spirit Airlines
Los Angeles — Seattle
17h 10m
including layover
Find flight
from$225
11:40 — 21:20
11:40 — 13:25 UA4302 United Airlines
Knoxville — Houston
1h 15m stop
14:40 — 17:13 UA1385 United Airlines
Houston — San Francisco
1h 47m stop
19:00 — 21:20 UA2019 United Airlines
San Francisco — Seattle
12h 40m
including layover
Find flight
from$617
11:57 — 00:15
+1 day
11:57 — 13:45 G43475 Allegiant Air
Knoxville — Orlando
4h 22m stop
18:07 — 20:29 NK2993 Spirit Airlines
Orlando — Las Vegas
59m stop
21:28 — 00:15 NK181 Spirit Airlines
Las Vegas — Seattle
15h 18m
including layover
Find flight
from$273
13:55 — 21:11
13:55 — 14:51 UA5844 United Airlines
Knoxville — Chicago
1h 17m stop
16:08 — 17:59 UA2436 United Airlines
Chicago — Denver
1h 6m stop
19:05 — 21:11 UA299 United Airlines
Denver — Seattle
10h 16m
including layover
Find flight
from$472
*Departure and arrival times - local. Updated on January 6, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Knoxville to Seattle depends on and how to choose the most interesting flight option for you.

Distance between Knoxville and Seattle is 3395 miles. Time difference between the cities is 3h. Airplanes depart 05:23 to 17:47 from 1 Knoxville airport and arrive 05:23 to 17:47 to 3 Seattle airports. Average flight time is 11h 59m.

  • The fastest flight 7h 41m
  • Average flight time 11h 59m
  • The earliest flight 05:23
  • The latest flight 17:47
  • Distance 2110 ml

The cheapest months to travel to Seattle are february (from 190 $), january (from 248 $), december (from 481 $).

The most expensive months are november (from 526 $), december (from 481 $), january (from 248 $).

What is the lowest airfare Knoxville to Seattle?

The cheapest plane ticket found by our users is $190. This airfare is for economy class on one-way G41400 flight by Allegiant Air for February 21, 2025 which leaves Mc Ghee Tyson in Knoxville at 09:00 am and arrives at Seattle Seattle-Tacoma Intl at 17:37.

Economy class
$190
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Business class
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First class
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Popular Airlines on the Route

The flight Knoxville — Seattle is served by 3 regular airlines and 1 low-cost airline. Most of the flights on this route are operated by Alaska Airlines - 2 departures per week at the price of from $ 464 . And the most expensive tickets are offered by United Airlines airline - from $ 773.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 60 flights with layovers on the route. The fastest connecting flight is UA2132 by United Airlines takes 7h 41m and the cheapest is G41400 by Allegiant Air for $190.

  • AS - Alaska Airlines
    from $464
    Find
  • UA - United Airlines
    from $248
    Find
  • G4 - Allegiant Air
    from $190
    Find
See more connecting flights

Airports

You can fly from Knoxville to Seattle from 1 airports (Mc Ghee Tyson).

Knoxville airports

  • Mc Ghee Tyson-TYS
    from $190
    Find

Seattle airports

  • Boeing Field International Airport-BFI
    Find
  • Seattle-Tacoma Intl-SEA
    Find
  • Kenmore Air Harbor SPB-LKE
    Find

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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