Cheap Flights from Seattle, WA to Knoxville, TN from $76

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On Cheapflightsplus.com you will find 172 connecting flights from Seattle to Knoxville. You can compare airfare deals from 5 airlines and multiple travel sites from $76, book and save on cheap plane tickets and last minute offers. Also check out SEA-TYS flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Seattle to Knoxville 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: $76 (one-way), $130 (round-trip).

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Best Flights from Seattle to Knoxville Today

Take a look at the list of non stop flights and flights with layovers from Seattle to Knoxville with the lowest price of $76. Take a look at the list of flights with layovers from Seattle to Knoxville from $76. There’re no direct flights. The fastest connecting flight – 6h 40m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $76 Find flight	08:18 Seattle Seattle-Tacoma Intl	18:29 Knoxville Mc Ghee Tyson	7h 11m layover 1h 44m - Denver	Frontier Airlines	F93406 F92374
from $79 Find flight	22:08 Seattle Seattle-Tacoma Intl	16:50+1 день Knoxville Mc Ghee Tyson	15h 42m layover 10h 7m - Denver	Frontier Airlines	F91176 F92374
from $321 Find flight	23:59 Seattle Seattle-Tacoma Intl	16:59+1 день Knoxville Mc Ghee Tyson	14h 0m layover 8h 10m - Chicago	United Airlines	UA2019 UA5379
from $375 Find flight	19:13 Seattle Seattle-Tacoma Intl	14:58+1 день Knoxville Mc Ghee Tyson	16h 45m layover 11h 13m - Denver	United Airlines	UA1387 UA2420
from $230 Find flight	05:30 Seattle Seattle-Tacoma Intl	21:18 Knoxville Mc Ghee Tyson	12h 48m layover 2h 15m - Las Vegas 3h 26m - Phoenix	Spirit Airlines	NK176 NK2007 G41408
from $281 Find flight	17:28 Seattle Seattle-Tacoma Intl	20:30+1 день Knoxville Mc Ghee Tyson	24h 2m layover 9h 35m - Las Vegas 5h 24m - Miami	Spirit Airlines	NK204 NK867 G41435
from $298 Find flight	18:27 Seattle Seattle-Tacoma Intl	17:34+1 день Knoxville Mc Ghee Tyson	20h 7m layover 6h 28m - Minneapolis 5h 11m - Clearwater	Sun Country Airlines	SY286 SY213 G43028
from $299 Find flight	18:37 Seattle Seattle-Tacoma Intl	13:05+1 день Knoxville Mc Ghee Tyson	15h 28m layover 2h 34m - Las Vegas 4h 5m - Sanford	Spirit Airlines	NK782 NK1853 G43057
from $307 Find flight	18:39 Seattle Seattle-Tacoma Intl	17:18+1 день Knoxville Mc Ghee Tyson	19h 39m layover 8h 48m - Minneapolis 2h 22m - Orlando	Sun Country Airlines	SY286 SY343 G43056
from $314 Find flight	16:00 Seattle Seattle-Tacoma Intl	14:24+1 день Knoxville Mc Ghee Tyson	19h 24m layover 5h 18m - Las Vegas 5h 32m - Sanford	Spirit Airlines	NK414 NK1853 G41422
from $318 Find flight	17:28 Seattle Seattle-Tacoma Intl	11:36+1 день Knoxville Mc Ghee Tyson	15h 8m layover 1h 40m - Las Vegas 4h 56m - Sanford	Spirit Airlines	NK204 NK1853 G42836
from $320 Find flight	18:27 Seattle Seattle-Tacoma Intl	18:14+1 день Knoxville Mc Ghee Tyson	20h 47m layover 6h 42m - Minneapolis 5h 36m - Sanford	Sun Country Airlines	SY286 SY341 G43050
from $323 Find flight	18:37 Seattle Seattle-Tacoma Intl	12:38+1 день Knoxville Mc Ghee Tyson	15h 1m layover 1h 0m - Las Vegas 4h 33m - Miami	Spirit Airlines	NK782 NK954 G41428
from $331 Find flight	18:13 Seattle Seattle-Tacoma Intl	18:35+1 день Knoxville Mc Ghee Tyson	21h 22m layover 7h 41m - Minneapolis 3h 24m - Phoenix	Sun Country Airlines	SY286 SY601 G41429
from $334 Find flight	18:39 Seattle Seattle-Tacoma Intl	17:18+1 день Knoxville Mc Ghee Tyson	19h 39m layover 6h 1m - Minneapolis 5h 10m - Orlando	Sun Country Airlines	SY286 SY341 G43056
from $341 Find flight	18:27 Seattle Seattle-Tacoma Intl	17:59+1 день Knoxville Mc Ghee Tyson	20h 32m layover 6h 42m - Minneapolis 5h 21m - Sanford	Sun Country Airlines	SY286 SY341 G43054

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on May 13, 2025

Flight Schedule Seattle (Washington) to Knoxville (Tennessee)

Full flight schedule will help you in detecting at what time planes fly from Seattle to Knoxville. 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	Flight Details	Flight Duration	Price
05:00 — 22:30	05:00 — 08:47 UA757 United Airlines Seattle — Denver 8h 46m stop 17:33 — 22:30 UA4798 United Airlines Denver — Knoxville	14h 30m including layover	Find flight from$367
05:02 — 22:30	05:00 — 08:47 UA2269 United Airlines Seattle — Denver 8h 49m stop 17:33 — 22:30 UA4798 United Airlines Denver — Knoxville	14h 28m including layover	Find flight from$381
06:00 — 18:22	06:00 — 12:07 AS408 Alaska Airlines Seattle — Chicago 3h 43m stop 15:50 — 18:22 AS4765 Alaska Airlines Chicago — Knoxville	9h 22m including layover	Find flight from$578
07:00 — 23:00	07:00 — 13:04 UA1448 United Airlines Seattle — Chicago 7h 11m stop 20:15 — 23:00 UA1871 United Airlines Chicago — Knoxville	13h including layover	Find flight from$507
07:10 — 22:24	07:10 — 13:10 UA2494 United Airlines Seattle — Chicago 6h 30m stop 19:40 — 22:24 UA454 United Airlines Chicago — Knoxville	12h 14m including layover	Find flight from$563
08:18 — 18:29	09:15 — 13:00 F93406 Frontier Airlines Seattle — Denver 1h 44m stop 16:52 — 21:35 F92374 Frontier Airlines Denver — Knoxville	7h 11m including layover	Find flight from$76
08:30 — 14:41 +1 day	08:30 — 12:14 UA1829 United Airlines Seattle — Denver 21h 41m stop 10:05 — 14:51 UA2420 United Airlines Denver — Knoxville	27h 11m including layover	Find flight from$365
09:00 — 22:29	08:30 — 12:14 UA1829 United Airlines Seattle — Denver 4h 48m stop 17:33 — 22:30 UA4798 United Airlines Denver — Knoxville	10h 29m including layover	Find flight from$454
09:44 — 20:38	09:44 — 17:50 AS442 Alaska Airlines Seattle — Philadelphia 45m stop 18:35 — 20:38 AS4531 Alaska Airlines Philadelphia — Knoxville	7h 54m including layover	Find flight from$574
10:01 — 23:46	10:01 — 16:36 AS438 Alaska Airlines Seattle — Houston 3h 52m stop 20:28 — 23:46 UA4810 United Airlines Houston — Knoxville	10h 45m including layover	Find flight from$563
10:55 — 20:35	10:55 — 16:59 UA2296 United Airlines Seattle — Chicago 51m stop 17:50 — 20:35 UA1238 United Airlines Chicago — Knoxville	6h 40m including layover	Find flight from$579
11:05 — 22:36	11:05 — 17:10 UA747 United Airlines Seattle — Chicago 2h 41m stop 19:51 — 22:36 UA1156 United Airlines Chicago — Knoxville	8h 31m including layover	Find flight from$580
11:46 — 23:00	11:46 — 18:00 AS352 Alaska Airlines Seattle — Chicago 2h 15m stop 20:15 — 23:00 UA1871 United Airlines Chicago — Knoxville	8h 14m including layover	Find flight from$552
12:30 — 14:41 +1 day	12:30 — 16:14 UA431 United Airlines Seattle — Denver 17h 41m stop 10:05 — 14:51 UA2420 United Airlines Denver — Knoxville	23h 11m including layover	Find flight from$467
12:30 — 22:30	12:30 — 16:14 UA431 United Airlines Seattle — Denver 1h 19m stop 17:33 — 22:30 UA4798 United Airlines Denver — Knoxville	7h including layover	Find flight from$576
14:06 — 10:08 +1 day	14:06 — 20:09 UA2013 United Airlines Seattle — Chicago 11h 11m stop 07:20 — 10:08 UA5666 United Airlines Chicago — Knoxville	17h 2m including layover	Find flight from$566
14:06 — 13:25 +1 day	14:06 — 20:09 UA2013 United Airlines Seattle — Chicago 14h 26m stop 10:35 — 13:25 UA3686 United Airlines Chicago — Knoxville	20h 19m including layover	Find flight from$566
15:20 — 14:51 +1 day	15:20 — 19:04 UA1476 United Airlines Seattle — Denver 15h 1m stop 10:05 — 14:51 UA2420 United Airlines Denver — Knoxville	20h 31m including layover	Find flight from$365
15:20 — 22:30 +1 day	15:20 — 19:04 UA1476 United Airlines Seattle — Denver 22h 29m stop 17:33 — 22:30 UA4798 United Airlines Denver — Knoxville	28h 10m including layover	Find flight from$365
17:51 — 20:35 +1 day	17:51 — 23:47 AS538 Alaska Airlines Seattle — Chicago 18h 3m stop 17:50 — 20:35 UA1238 United Airlines Chicago — Knoxville	23h 44m including layover	Find flight from$599
19:11 — 14:51 +1 day	19:11 — 22:55 UA297 United Airlines Seattle — Denver 11h 10m stop 10:05 — 14:51 UA2420 United Airlines Denver — Knoxville	16h 40m including layover	Find flight from$565
19:13 — 14:58 +1 day	19:13 — 22:57 UA1387 United Airlines Seattle — Denver 11h 13m stop 10:10 — 14:58 UA2420 United Airlines Denver — Knoxville	16h 45m including layover	Find flight from$375
21:40 — 09:59 +1 day	21:40 — 05:32 AS307 Alaska Airlines Seattle — Washington D.C. 2h 43m stop 08:15 — 09:59 UA4257 United Airlines Washington D.C. — Knoxville	9h 19m including layover	Find flight from$558
21:40 — 14:39 +1 day	21:40 — 05:32 AS307 Alaska Airlines Seattle — Washington D.C. 7h 23m stop 12:55 — 14:39 UA4227 United Airlines Washington D.C. — Knoxville	13h 59m including layover	Find flight from$566
22:08 — 16:50 +1 day	20:19 — 00:05 F91176 Frontier Airlines Seattle — Denver 10h 7m stop 13:45 — 18:29 F92374 Frontier Airlines Denver — Knoxville	15h 42m including layover	Find flight from$79
22:46 — 11:14 +1 day	22:46 — 04:26 AS542 Alaska Airlines Seattle — Dallas 3h 42m stop 08:08 — 11:14 AS4708 Alaska Airlines Dallas — Knoxville	9h 28m including layover	Find flight from$574
23:59 — 16:59 +1 day	23:59 — 06:00 UA2019 United Airlines Seattle — Chicago 8h 10m stop 14:10 — 16:59 UA5379 United Airlines Chicago — Knoxville	14h including layover	Find flight from$321
23:59 — 22:36 +1 day	23:59 — 06:00 UA2019 United Airlines Seattle — Chicago 13h 51m stop 19:51 — 22:36 UA1156 United Airlines Chicago — Knoxville	19h 37m including layover	Find flight from$321

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on May 13, 2025

Flight Information

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

Distance between Seattle and Knoxville is 3395 miles. Time difference between the cities is 3h. Airplanes depart 05:00 to 23:59 from 3 Seattle airports and arrive 05:00 to 23:59 to 1 Knoxville airport. Average flight time is 12h 50m.

The fastest flight 6h 40m
Average flight time 12h 50m
The earliest flight 05:00
The latest flight 23:59
Distance 2110 ml

The cheapest months to travel to Knoxville are november (from 76 $), january (from 230 $), february (from 299 $).

The most expensive months are december (from 307 $), february (from 299 $), january (from 230 $).

What is the lowest airfare Seattle to Knoxville?

The cheapest plane ticket found by our users is $76. This airfare is for economy class on one-way F93406 flight by Frontier Airlines for November 13, 2024 which leaves Seattle-Tacoma Intl in Seattle at 08:18 am and arrives at Knoxville Mc Ghee Tyson at 18:29.

Economy class

$76

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Business class

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First class

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Popular Airlines on the Route

The flight Seattle — Knoxville is served by 5 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 65 departures per week at the price of from $ 533 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 952.

Direct flights

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

Connecting Flights

There are 172 flights with layovers on the route. The fastest connecting flight is UA2296 by United Airlines takes 6h 40m and the cheapest is F93406 by Frontier Airlines for $76.

AS - Alaska Airlines

from $533

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F9 - Frontier Airlines

from $76

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SY - Sun Country Airlines

from $298

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UA - United Airlines

from $321

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NK - Spirit Airlines

from $230

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Airports

You can fly from Seattle to Knoxville from 3 airports (Boeing Field International Airport, Seattle-Tacoma Intl, Kenmore Air Harbor SPB).

Seattle airports

Boeing Field International Airport-BFI

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Seattle-Tacoma Intl-SEA

from $76
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Kenmore Air Harbor SPB-LKE

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Knoxville airports

Mc Ghee Tyson-TYS

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Airplanes

There are flights to Knoxville from Seattle by 5 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Seattle

You may also consider searching for discounted plane tickets to some other popular places from Seattle within United States.

Seattle — Washington D.C.

from $78

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Seattle — Las Vegas

from $62

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Seattle — New York

from $180

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Seattle — Chicago

from $73

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Seattle — Phoenix

from $67

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Seattle — San Diego

from $74

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Seattle — Los Angeles

from $53

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Seattle — Denver

from $243

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Seattle — Dallas

from $72

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Seattle — Boston

from $63

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Top International Destinations from Seattle

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Seattle — Tokyo

from $77

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Seattle — London

from $70

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Seattle — Vancouver

from $57

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Seattle — Cancun

from $63

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Seattle — Paris

from $66

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Seattle — Toronto

from $64

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Seattle — Calgary

from $76

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Seattle — Mumbai

from $80

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Seattle — Montreal

from $68

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Seattle — Amsterdam

from $64

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How to book a plane ticket yourself?

Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
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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.
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