$182+ Cheap flights from Knoxville to Seattle (TYS - SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SEA
Dec 4 — Dec 111
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Knoxville to Seattle
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Best
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Cheapest flights from Knoxville to SeattleExplore the most affordable flight options available from Knoxville to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2026.
Explore the most affordable flight options available from Knoxville to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:55 pm -
1 stop17h 42m
Thu 12/39:07 pm -
1 stop20h 18m
Deal found 11/3![Multiple Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/246:00 am -
1 stop10h 11m
Fri 1/12:01 pm -
1 stop6h 49m
Deal found 11/2![American Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/511:53 am -
2 stops11h 54m
Mon 12/710:48 am -
1 stop6h 59m
Deal found 11/1![United Airlines logo]()
$368
This American Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/256:00 am -
1 stop10h 11m
Fri 1/12:01 pm -
1 stop6h 49m
Deal found 11/2![American Airlines logo]()
$387
This Southwest deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/24:15 pm -
1 stop9h 35m
Wed 12/95:40 am -
2 stops11h 10m
Deal found 11/4![Southwest logo]()
$392
This Southwest deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/127:10 am -
2 stops11h 55m
Tue 12/155:40 am -
2 stops11h 10m
Deal found 11/4![Southwest logo]()
$397
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/105:10 pm -
1 stop7h 53m
Sun 12/136:00 am -
1 stop9h 22m
Deal found 11/3![Delta logo]()
$401
This American Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/246:48 pm -
1 stop8h 11m
Wed 12/305:45 am -
1 stop7h 09m
Deal found 11/1![American Airlines logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:11 pm -
2 stops20h 26m
Thu 12/39:07 pm -
1 stop20h 18m
Deal found 11/3![Multiple Airlines logo]()
$416
This Southwest deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:05 am -
2 stops13h 45m
Wed 12/95:40 am -
2 stops11h 10m
Deal found 11/2![Southwest logo]()
$417
Best flights from Knoxville to SeattleDiscover carefully curated flight deals from Knoxville to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
Discover carefully curated flight deals from Knoxville to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/125:15 am -
1 stop7h 50m
Fri 1/1512:00 pm -
1 stop7h 14m
Deal found 11/1![Delta logo]()
$363
This Southwest deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/115:25 pm -
2 stops10h 55m
Sun 12/1312:15 am -
2 stops9h 05m
Deal found 11/4![Southwest logo]()
$428
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/54:43 pm -
1 stop7h 38m
Wed 12/910:48 am -
1 stop6h 59m
Deal found 11/3![United Airlines logo]()
$493
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/125:00 pm -
1 stop9h 15m
Tue 1/1910:35 pm -
1 stop7h 50m
Deal found 11/1![Delta logo]()
$363
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/127:18 am -
1 stop10h 22m
Mon 1/186:00 am -
1 stop6h 48m
Deal found 11/1![Delta logo]()
$363
This Southwest deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/244:15 pm -
1 stop9h 35m
Mon 12/285:15 am -
1 stop6h 50m
Deal found 10/31![Southwest logo]()
$485
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/105:10 pm -
1 stop7h 53m
Sun 12/136:00 am -
1 stop9h 22m
Deal found 11/3![Delta logo]()
$401
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/111:55 pm -
2 stops11h 04m
Thu 1/147:00 am -
1 stop6h 54m
Deal found 11/1![United Airlines logo]()
$498
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:00 am -
2 stops13h 22m
Sat 1/98:30 am -
2 stops9h 35m
Deal found 10/31![United Airlines logo]()
$503
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:00 am -
2 stops13h 22m
Wed 12/910:48 am -
2 stops10h 11m
Deal found 11/4![United Airlines logo]()
$503
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/95:15 am -
2 stops18h 14m
Fri 1/1512:00 pm -
1 stop7h 14m
Deal found 11/1![Delta logo]()
$466
Last-minute flights from Knoxville to SeattleDiscover last-minute flight deals from Knoxville to Seattle. Data last updated November 4, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Seattle. Data last updated November 4, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:11 pm -
2 stops20h 26m
Thu 12/39:07 pm -
1 stop20h 18m
Deal found 11/3![Multiple Airlines logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:55 pm -
1 stop17h 42m
Thu 12/39:07 pm -
1 stop20h 18m
Deal found 11/3![Multiple Airlines logo]()
$330
This Southwest deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/24:15 pm -
1 stop9h 35m
Wed 12/95:40 am -
2 stops11h 10m
Deal found 11/4![Southwest logo]()
$392
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/511:53 am -
2 stops11h 54m
Mon 12/710:48 am -
1 stop6h 59m
Deal found 11/1![United Airlines logo]()
$368
This Southwest deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:05 am -
2 stops13h 45m
Wed 12/95:40 am -
2 stops11h 10m
Deal found 11/2![Southwest logo]()
$417
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/105:10 pm -
1 stop7h 53m
Sun 12/136:00 am -
1 stop9h 22m
Deal found 11/3![Delta logo]()
$401
This Southwest deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/127:10 am -
2 stops11h 55m
Tue 12/155:40 am -
2 stops11h 10m
Deal found 11/4![Southwest logo]()
$397
This American Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/246:00 am -
1 stop10h 11m
Fri 1/12:01 pm -
1 stop6h 49m
Deal found 11/2![American Airlines logo]()
$363
This American Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/246:48 pm -
1 stop8h 11m
Wed 12/305:45 am -
1 stop7h 09m
Deal found 11/1![American Airlines logo]()
$411
This American Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/256:00 am -
1 stop10h 11m
Tue 12/2911:59 pm -
1 stop8h 03m
Deal found 11/2![American Airlines logo]()
$387
One-way flights from Knoxville to SeattleSearch for one-way flight options from Knoxville to Seattle. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
Search for one-way flight options from Knoxville to Seattle. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/810:57 am -
1 stop8h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![United Airlines logo]()
$182
This American Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/256:00 am -
1 stop10h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![American Airlines logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/44:31 pm -
1 stop21h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$233
This Southwest deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/227:15 pm -
2 stops9h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Southwest logo]()
$242
This Southwest deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/257:05 am -
2 stops13h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Southwest logo]()
$248
This Southwest deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/12:40 pm -
2 stops11h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Southwest logo]()
$249
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:00 am -
1 stop9h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![United Airlines logo]()
$261
This Southwest deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/317:05 am -
2 stops13h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Southwest logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:29 pm -
2 stops28h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/14:32 pm -
3 stops46h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Multiple Airlines logo]()
$289
Find flight deals from Knoxville to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $330 (Kiwi.com) |
One-way from | $182 (United Airlines) |
Popular in | December |
Cheapest in | November |
Average price | $469 |
Cheapflights Fare Finder
Customize your flight search to find flights from Knoxville to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 4, 2026.
Use the filters below to find and compare flights from Knoxville to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
KnoxvilleSeattle
TYS Knoxville McGhee Tyson - SEA Seattle/Tacoma Intl
TYSSEA
Knoxville McGhee Tyson
Tue 12/8
10:57 am-4:18 pm
1 stop8h 21m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$182
KnoxvilleSeattle
TYS Knoxville McGhee Tyson - SEA Seattle/Tacoma Intl
TYSSEA
Knoxville McGhee Tyson
Sat 1/16
3:30 pm-9:10 pm
1 stop8h 40m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$182
KnoxvilleSeattle
TYS Knoxville McGhee Tyson - SEA Seattle/Tacoma Intl
TYSSEA
Knoxville McGhee Tyson
Tue 12/22
7:15 pm-1:45 am
2 stops9h 30m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$242
KnoxvilleSeattle
TYS Knoxville McGhee Tyson - SEA Seattle/Tacoma Intl
TYSSEA
Knoxville McGhee Tyson
Fri 12/25
7:05 am-5:50 pm
2 stops13h 45m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$248
KnoxvilleSeattle
TYS Knoxville McGhee Tyson - SEA Seattle/Tacoma Intl
TYSSEA
Knoxville McGhee Tyson
Tue 12/1
2:40 pm-10:50 pm
2 stops11h 10m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$249
KnoxvilleSeattle
TYS Knoxville McGhee Tyson - SEA Seattle/Tacoma Intl
TYSSEA
Knoxville McGhee Tyson
Sat 1/16
6:30 am-9:17 pm
3 stops17h 47m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$257
KnoxvilleSeattle
TYS Knoxville McGhee Tyson - SEA Seattle/Tacoma Intl
TYSSEA
Knoxville McGhee Tyson
Thu 12/31
4:27 pm-10:59 pm
1 stop9h 32m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$261
KnoxvilleSeattle
TYS Knoxville McGhee Tyson - SEA Seattle/Tacoma Intl
TYSSEA
Knoxville McGhee Tyson
Tue 12/22
6:00 am-12:26 pm
1 stop9h 26m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$261
KnoxvilleSeattle
TYS Knoxville McGhee Tyson - SEA Seattle/Tacoma Intl
TYSSEA
Knoxville McGhee Tyson
Thu 12/31
7:05 am-5:50 pm
2 stops13h 45m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$272
KnoxvilleSeattle
TYS Knoxville McGhee Tyson - SEA Seattle/Tacoma Intl
TYSSEA
Knoxville McGhee Tyson
Tue 12/29
7:15 pm-1:45 am
2 stops9h 30m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$301
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Knoxville to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Seattle in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Knoxville-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Knoxville-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Knoxville to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Knoxville with our price prediction graph.
TYS-SEA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Knoxville to Seattle
How far ahead should I book a flight from Knoxville to Seattle?
The best time to book flights from Knoxville to Seattle is 73 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Knoxville to Seattle?
Currently, November is the cheapest month in which you can book a flight from Knoxville to Seattle (average of $469). Flying from Knoxville to Seattle in December is currently the most expensive (average of $653). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Knoxville to Seattle?
Airfare is below average for this route at the moment.
Knoxville to Seattle flights typically cost between $396 and $584 in November.The cheapest round-trip price found within the last 5 days was $330 on Multiple Airlines (Nov 25-Dec 3).
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated November 4, 2026.
Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, andDelta from Knoxville to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Related info for your journey
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Book flights to Seattle if you plan to visit one of these locationsSeaTac
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Knoxville and Seattle flights
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Top 5 airlines flying from Knoxville to Seattle
Discover the top 5 airlines that operate flights from Knoxville to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$358 | Average$525 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$362 | Average$573 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$384 | Average$563 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$386 | Average$582 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$603 | Average$848 | FlexibilityNo cancel fee | On-time75% |