$121+ Cheap flights from Seattle to Knoxville (SEA - TYS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — TYS
Jul 15 — Jul 221
Round-trip
1 adult, Economy
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Best
Last-minute
One-way
Cheapest flights from Seattle to KnoxvilleExplore the most affordable flight options available from Seattle to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.
Explore the most affordable flight options available from Seattle to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 8/193:19 pm
SEA
- TYS
1 stop19h 30m
Multiple Airlines
Mon 8/2412:54 pm
TYS
- SEA
1 stop24h 41m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$259
This Delta deal was found by Cheapflights users on 6/11. 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.
Wed 9/96:00 am
SEA
- TYS
1 stop9h 17m
Delta
Tue 9/155:18 pm
TYS
- SEA
1 stop7h 44m
Delta
Deal found 6/11![Delta logo]()
$261
This Southwest deal was found by Cheapflights users on 6/11. 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 9/95:20 am
SEA
- TYS
2 stops10h 35m
Southwest
Tue 9/158:00 am
TYS
- SEA
1 stop8h 00m
Southwest
Deal found 6/11![Southwest logo]()
$266
This Delta deal was found by Cheapflights users on 6/11. 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 10/201:45 pm
SEA
- TYS
1 stop6h 17m
Delta
Sat 10/243:55 pm
TYS
- SEA
1 stop7h 51m
Delta
Deal found 6/11![Delta logo]()
$287
This United Airlines deal was found by Cheapflights users on 6/11. 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 10/2011:13 pm
SEA
- TYS
1 stop7h 32m
United Airlines
Sat 10/2410:42 am
TYS
- SEA
2 stops9h 55m
United Airlines
Deal found 6/11![United Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 6/11. 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.
Mon 10/199:20 pm
SEA
- TYS
1 stop8h 52m
Delta
Mon 10/265:15 pm
TYS
- SEA
1 stop7h 50m
Delta
Deal found 6/11![Delta logo]()
$313
This Southwest deal was found by Cheapflights users on 6/11. 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 8/2611:05 pm
SEA
- TYS
2 stops9h 55m
Southwest
Thu 8/274:50 pm
TYS
- SEA
2 stops10h 30m
Southwest
Deal found 6/11![Southwest logo]()
$315
This Southwest deal was found by Cheapflights users on 6/11. 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 9/225:20 am
SEA
- TYS
2 stops10h 35m
Southwest
Wed 9/238:00 am
TYS
- SEA
1 stop8h 00m
Southwest
Deal found 6/11![Southwest logo]()
$336
This Delta deal was found by Cheapflights users on 6/11. 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.
Fri 10/2311:05 pm
SEA
- TYS
1 stop8h 09m
Delta
Mon 10/2611:30 am
TYS
- SEA
1 stop10h 08m
Delta
Deal found 6/11![Delta logo]()
$340
Best flights from Seattle to KnoxvilleDiscover carefully curated flight deals from Seattle to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 15, 2026.
Discover carefully curated flight deals from Seattle to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 15, 2026.
This Southwest deal was found by Cheapflights users on 6/14. 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 9/96:40 am
SEA
- TYS
1 stop6h 50m
Southwest
Wed 9/231:55 pm
TYS
- SEA
2 stops12h 10m
Southwest
Deal found 6/14![Southwest logo]()
$381
This United Airlines deal was found by Cheapflights users on 6/14. 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 8/257:00 am
SEA
- TYS
1 stop8h 38m
United Airlines
Wed 8/269:45 am
TYS
- SEA
2 stops14h 30m
United Airlines
Deal found 6/14![United Airlines logo]()
$470
This Southwest deal was found by Cheapflights users on 6/14. 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 9/95:20 am
SEA
- TYS
2 stops10h 35m
Southwest
Tue 9/158:00 am
TYS
- SEA
1 stop8h 00m
Southwest
Deal found 6/14![Southwest logo]()
$381
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Wed 9/97:35 pm
SEA
- TYS
2 stops11h 22m
United Airlines
Tue 9/156:00 am
TYS
- SEA
1 stop8h 32m
United Airlines
Deal found 6/14![United Airlines logo]()
$470
This Southwest deal was found by Cheapflights users on 6/13. 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 7/297:35 am
SEA
- TYS
2 stops9h 50m
Southwest
Wed 8/123:00 pm
TYS
- SEA
1 stop11h 05m
Southwest
Deal found 6/13![Southwest logo]()
$438
This Southwest deal was found by Cheapflights users on 6/12. 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 8/2011:05 pm
SEA
- TYS
2 stops9h 55m
Southwest
Sun 8/233:35 pm
TYS
- SEA
2 stops12h 15m
Southwest
Deal found 6/12![Southwest logo]()
$527
Last-minute flights from Seattle to KnoxvilleDiscover last-minute flight deals from Seattle to Knoxville. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Knoxville. Data last updated June 15, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Wed 7/225:10 am
SEA
- TYS
1 stop9h 27m
American Airlines
Mon 7/275:31 pm
TYS
- SEA
1 stop9h 08m
American Airlines
Deal found 6/14![American Airlines logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 7/278:53 pm
SEA
- TYS
2 stops42h 32m
Multiple Airlines
Thu 8/67:00 am
TYS
- SEA
1 stop29h 04m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 7/297:06 pm
SEA
- TYS
1 stop15h 45m
Multiple Airlines
Mon 8/36:30 am
TYS
- SEA
2 stops29h 47m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 7/297:06 pm
SEA
- TYS
1 stop15h 45m
Multiple Airlines
Thu 8/67:00 am
TYS
- SEA
1 stop29h 04m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$378
This American Airlines deal was found by Cheapflights users on 6/13. 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.
Wed 7/298:20 am
SEA
- TYS
1 stop8h 40m
American Airlines
Tue 8/48:11 pm
TYS
- SEA
1 stop7h 46m
American Airlines
Deal found 6/13![American Airlines logo]()
$434
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Thu 7/307:06 pm
SEA
- TYS
2 stops23h 09m
Multiple Airlines
Thu 8/67:00 am
TYS
- SEA
1 stop29h 04m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Thu 7/307:06 pm
SEA
- TYS
2 stops23h 09m
Multiple Airlines
Mon 8/38:19 pm
TYS
- SEA
1 stop15h 58m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 7/317:06 pm
SEA
- TYS
2 stops23h 55m
Multiple Airlines
Thu 8/67:00 am
TYS
- SEA
1 stop29h 04m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 7/317:06 pm
SEA
- TYS
2 stops23h 55m
Multiple Airlines
Mon 8/38:19 pm
TYS
- SEA
1 stop15h 58m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$433
One-way flights from Seattle to KnoxvilleSearch for one-way flight options from Seattle to Knoxville. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
Search for one-way flight options from Seattle to Knoxville. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 8/267:41 pm
SEA
- TYS
1 stop15h 08m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$121
This Southwest deal was found by Cheapflights users on 6/11. 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 8/2611:05 pm
SEA
- TYS
2 stops9h 55m
Southwest
Deal found 6/11![Southwest logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Sun 8/238:13 pm
SEA
- TYS
1 stop22h 33m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$159
This Delta deal was found by Cheapflights users on 6/14. 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.
Wed 7/81:35 pm
SEA
- TYS
1 stop7h 17m
Delta
Deal found 6/14![Delta logo]()
$178
This Southwest deal was found by Cheapflights users on 6/10. 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 8/107:25 pm
SEA
- TYS
2 stops13h 40m
Southwest
Deal found 6/10![Southwest logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 7/297:06 pm
SEA
- TYS
1 stop15h 45m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 6/14. 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.
Thu 7/97:06 pm
SEA
- TYS
2 stops25h 27m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$220
This United Airlines deal was found by Cheapflights users on 6/12. 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 9/311:00 pm
SEA
- TYS
1 stop7h 57m
United Airlines
Deal found 6/12![United Airlines logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 7/77:06 pm
SEA
- TYS
1 stop21h 18m
Frontier
Deal found 6/14![Frontier logo]()
$227
This United Airlines deal was found by Cheapflights users on 6/11. 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 8/311:49 pm
SEA
- TYS
1 stop8h 30m
United Airlines
Deal found 6/11![United Airlines logo]()
$229
This Southwest deal was found by Cheapflights users on 6/12. 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 8/411:05 pm
SEA
- TYS
2 stops10h 00m
Southwest
Deal found 6/12![Southwest logo]()
$234
Find flight deals from Seattle to Knoxville
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Knoxville (TYS). 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 June 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $259 (Kiwi.com) |
One-way from | $121 (Kiwi.com) |
Popular in | March |
Cheapest in | August |
Average price | $608 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Knoxville 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 2,558,603 searches. Data last updated June 15, 2026.
Use the filters below to find and compare flights from Seattle to Knoxville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleKnoxville
SEA - TYS
SEATYS
Seattle/Tacoma Intl
Wed 9/9
6:40 am-4:30 pm
1 stop6h 50m
Knoxville McGhee Tyson
Wed 9/23
1:55 pm-11:05 pm
2 stops12h 10m
$381
Quickest round-trip
SeattleKnoxville
SEA - TYS
SEATYS
Seattle/Tacoma Intl
Wed 9/9
5:20 am-6:55 pm
2 stops10h 35m
Knoxville McGhee Tyson
Tue 9/15
8:00 am-1:00 pm
1 stop8h 00m
$381
SeattleKnoxville
SEA - TYS
SEATYS
Seattle/Tacoma Intl
Wed 7/29
7:35 am-8:25 pm
2 stops9h 50m
Knoxville McGhee Tyson
Wed 8/12
3:00 pm-11:05 pm
1 stop11h 05m
$438
SeattleKnoxville
SEA - TYS
SEATYS
Seattle/Tacoma Intl
Tue 8/25
7:00 am-6:38 pm
1 stop8h 38m
Knoxville McGhee Tyson
Wed 8/26
9:45 am-9:15 pm
2 stops14h 30m
$470
SeattleKnoxville
SEA - TYS
SEATYS
Seattle/Tacoma Intl
Wed 9/9
7:35 pm-9:57 am
2 stops11h 22m
Knoxville McGhee Tyson
Tue 9/15
6:00 am-11:32 am
1 stop8h 32m
$470
SeattleKnoxville
SEA - TYS
SEATYS
Seattle/Tacoma Intl
Thu 8/20
11:05 pm-12:00 pm
2 stops9h 55m
Knoxville McGhee Tyson
Sun 8/23
3:35 pm-12:50 am
2 stops12h 15m
$527
Cheapest one-way
SeattleKnoxville
SEA - TYS
SEATYS
Seattle/Tacoma Intl
Wed 8/26
11:05 pm-12:00 pm
2 stops9h 55m
$136
SeattleKnoxville
SEA - TYS
SEATYS
Seattle/Tacoma Intl
Thu 9/3
11:00 pm-9:57 am
1 stop7h 57m
$226
Quickest one-way
SeattleKnoxville
SEA - TYS
SEATYS
Seattle/Tacoma Intl
Fri 9/4
11:59 pm-9:33 am
1 stop6h 34m
$229
SeattleKnoxville
SEA - TYS
SEATYS
Seattle/Tacoma Intl
Mon 8/3
11:49 pm-11:19 am
1 stop8h 30m
$229
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from Seattle to Knoxville
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 Seattle to Knoxville in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Knoxville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Knoxville 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 Seattle-Knoxville 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 Seattle to Knoxville
Have a flexible travel schedule? Discover the best time to fly to Knoxville from Seattle with our price prediction graph.
SEA-TYS
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 Seattle to Knoxville
How far ahead should I book a flight from Seattle to Knoxville?
The price you pay for your flight from Seattle to Knoxville may vary depending on when you book. For the best chance of a lower fare, look to book 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Seattle to Knoxville?
Currently, August is the cheapest month in which you can book a flight from Seattle to Knoxville (average of $461). Flying from Seattle to Knoxville in March is currently the most expensive (average of $681). 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 Seattle to Knoxville?
Reviews of airlines servicing Knoxville
Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated June 15, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andUnited Airlines from Seattle to Knoxville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Overall
7.9
Crew
8.5
Entertainment
7.0
Boarding
8.1
Food
7.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Overall
7.9
Crew
8.5
Entertainment
7.0
Boarding
8.1
Food
7.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Overall
7.9
Crew
8.5
Entertainment
7.0
Boarding
8.1
Food
7.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Overall
7.9
Crew
8.5
Entertainment
7.0
Boarding
8.1
Food
7.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Overall
7.9
Crew
8.5
Entertainment
7.0
Boarding
8.1
Food
7.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
Find useful and relevant information for your journey from Seattle to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Knoxville?
Book flights to Knoxville if you plan to visit one of these locationsCherokee
Crossville
Morristown
Bryson City
Murphy
Alcoa
Oak Ridge
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Other flights to Knoxville
Explore flights to Knoxville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 15, 2026.
Seattle and Knoxville flights
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Other flights from Seattle
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Top 4 airlines flying from Seattle to Knoxville
Discover the top 4 airlines that operate flights from Seattle to Knoxville. 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 2,558,603 searches. Data last updated June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$323 | Average$557 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$360 | Average$567 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$363 | Average$533 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$483 | Average$768 | FlexibilityNo cancel fee | On-time75% |