$95+ Cheap flights from Seattle to Knoxville (SEA - TYS)
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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — TYS
Nov 6 — Nov 131
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Knoxville with Cheapflights
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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
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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 Seattle to Knoxville
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Best
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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 October 7, 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 October 7, 2026.
This Delta deal was found by Cheapflights users on 10/5. 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 12/26:00 am -
1 stop6h 13m
Wed 12/95:10 pm -
1 stop7h 54m
Deal found 10/5![Delta logo]()
$267
This Southwest deal was found by Cheapflights users on 10/5. 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 12/25:40 am -
2 stops11h 10m
Wed 12/94:15 pm -
1 stop9h 15m
Deal found 10/5![Southwest logo]()
$272
This Delta deal was found by Cheapflights users on 10/5. 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 11/129:45 am -
1 stop8h 44m
Tue 11/176:30 pm -
1 stop8h 27m
Deal found 10/5![Delta logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 10/7. 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.
Sat 10/314:27 pm -
1 stop18h 44m
Thu 11/126:30 am -
2 stops30h 15m
Deal found 10/7![Multiple Airlines logo]()
$289
This United Airlines deal was found by Cheapflights users on 10/5. 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 10/2610:56 pm -
1 stop7h 57m
Wed 10/2810:45 am -
1 stop7h 47m
Deal found 10/5![United Airlines logo]()
$301
This American Airlines deal was found by Cheapflights users on 10/5. 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.
Mon 11/26:14 am -
1 stop9h 32m
Mon 11/94:59 pm -
1 stop10h 36m
Deal found 10/5![American Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 10/4. 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.
Mon 12/76:10 am -
1 stop6h 20m
Fri 12/115:25 pm -
1 stop8h 35m
Deal found 10/4![Southwest logo]()
$342
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 October 7, 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 October 7, 2026.
This United Airlines deal was found by Cheapflights users on 10/5. 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 11/1210:56 pm -
1 stop7h 57m
Tue 11/176:45 am -
2 stops12h 42m
Deal found 10/5![United Airlines logo]()
$418
This Southwest deal was found by Cheapflights users on 10/5. 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 10/2212:10 am -
2 stops9h 05m
Wed 10/285:15 pm -
2 stops9h 40m
Deal found 10/5![Southwest logo]()
$498
This Delta deal was found by Cheapflights users on 10/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/18:00 am -
1 stop9h 03m
Fri 1/86:00 am -
1 stop9h 23m
Deal found 10/4![Delta logo]()
$556
This United Airlines deal was found by Cheapflights users on 10/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:56 pm -
1 stop8h 11m
Mon 11/95:40 pm -
1 stop8h 27m
Deal found 10/2![United Airlines logo]()
$467
This Southwest deal was found by Cheapflights users on 10/2. 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 11/239:10 am -
1 stop6h 35m
Mon 11/307:15 pm -
2 stops9h 30m
Deal found 10/2![Southwest logo]()
$581
This United Airlines deal was found by Cheapflights users on 10/5. 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 11/211:15 pm -
2 stops12h 33m
Mon 11/95:40 pm -
1 stop8h 27m
Deal found 10/5![United Airlines logo]()
$534
This Southwest deal was found by Cheapflights users on 10/2. 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.
Sun 12/208:30 pm -
2 stops12h 35m
Mon 1/45:25 pm -
2 stops9h 40m
Deal found 10/2![Southwest logo]()
$582
This Southwest deal was found by Cheapflights users on 10/2. 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 11/69:25 pm -
2 stops13h 45m
Mon 11/95:25 pm -
2 stops10h 35m
Deal found 10/2![Southwest logo]()
$589
This United Airlines deal was found by Cheapflights users on 10/6. 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 10/2210:42 am -
1 stop7h 07m
Sat 10/247:15 am -
1 stop8h 33m
Deal found 10/6![United Airlines logo]()
$604
This Southwest deal was found by Cheapflights users on 10/3. 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.
Wed 11/259:50 pm -
2 stops13h 00m
Mon 11/305:35 pm -
1 stop8h 35m
Deal found 10/3![Southwest logo]()
$597
This United Airlines deal was found by Cheapflights users on 10/6. 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 10/205:00 am -
2 stops9h 08m
Sat 10/249:00 am -
1 stop7h 21m
Deal found 10/6![United Airlines logo]()
$606
Last-minute flights from Seattle to KnoxvilleDiscover last-minute flight deals from Seattle to Knoxville. Data last updated October 7, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Knoxville. Data last updated October 7, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/5. 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 10/2610:56 pm -
1 stop7h 57m
Wed 10/2810:45 am -
1 stop7h 47m
Deal found 10/5![United Airlines logo]()
$301
This American Airlines deal was found by Cheapflights users on 10/5. 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 10/286:12 am -
1 stop6h 50m
Sun 11/15:30 am -
1 stop10h 45m
Deal found 10/5![American Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 10/7. 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.
Sat 10/314:27 pm -
1 stop18h 44m
Thu 11/126:30 am -
2 stops30h 15m
Deal found 10/7![Multiple Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 10/5. 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.
Mon 11/211:34 pm -
1 stop8h 27m
Sat 11/75:30 am -
1 stop8h 42m
Deal found 10/5![American Airlines logo]()
$267
This American Airlines deal was found by Cheapflights users on 10/5. 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.
Mon 11/26:14 am -
1 stop9h 32m
Mon 11/94:59 pm -
1 stop10h 36m
Deal found 10/5![American Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 10/5. 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 11/210:56 pm -
2 stops9h 34m
Sat 11/710:51 am -
1 stop7h 41m
Deal found 10/5![United Airlines logo]()
$362
This United Airlines deal was found by Cheapflights users on 10/7. 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 11/712:45 pm -
1 stop6h 47m
Wed 11/119:45 am -
2 stops14h 34m
Deal found 10/7![United Airlines logo]()
$402
This Delta deal was found by Cheapflights users on 10/6. 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.
Sun 11/87:22 am -
1 stop7h 06m
Sat 11/145:40 am -
1 stop7h 25m
Deal found 10/6![Delta logo]()
$367
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Sun 11/810:56 pm -
2 stops9h 34m
Sat 11/145:40 pm -
1 stop8h 27m
Deal found 10/6![United Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 10/5. 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 11/129:45 am -
1 stop8h 44m
Tue 11/176:30 pm -
1 stop8h 27m
Deal found 10/5![Delta logo]()
$283
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 October 7, 2026.
Search for one-way flight options from Seattle to Knoxville. Find affordable one-way fares based on user searches. Data last updated October 7, 2026.
This Trip.com deal was found by Cheapflights users on 10/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:27 pm -
1 stop17h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$95
This Delta deal was found by Cheapflights users on 10/6. 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 12/26:00 am -
1 stop9h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Delta logo]()
$134
This United Airlines deal was found by Cheapflights users on 10/5. 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 11/1010:56 pm -
2 stops9h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![United Airlines logo]()
$139
This United Airlines deal was found by Cheapflights users on 10/5. 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 10/2610:56 pm -
1 stop7h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![United Airlines logo]()
$168
This Delta deal was found by Cheapflights users on 10/6. 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 11/138:25 am -
1 stop7h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Delta logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 11/107:48 pm -
3 stops47h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Multiple Airlines logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 10/6. 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 11/89:13 pm -
1 stop21h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Multiple Airlines logo]()
$186
This United Airlines deal was found by Cheapflights users on 10/6. 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 11/33:35 pm -
2 stops15h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![United Airlines logo]()
$204
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 October 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $267 (Delta) |
One-way from | $95 (Trip.com) |
Popular in | March |
Cheapest in | October |
Average price | $446 |
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 7,457,451 searches. Data last updated October 7, 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
Quickest round-trip
SeattleKnoxville
SEA Seattle/Tacoma Intl - TYS Knoxville McGhee Tyson
SEATYS
Seattle/Tacoma Intl
Wed 11/11
8:09 am-7:36 pm
1 stop8h 27m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$134
SeattleKnoxville
SEA Seattle/Tacoma Intl - TYS Knoxville McGhee Tyson
SEATYS
Seattle/Tacoma Intl
Wed 12/2
5:40 am-7:50 pm
2 stops11h 10m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$139
SeattleKnoxville
SEA Seattle/Tacoma Intl - TYS Knoxville McGhee Tyson
SEATYS
Seattle/Tacoma Intl
Tue 11/10
10:56 pm-11:30 am
2 stops9h 34m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$139
SeattleKnoxville
SEA Seattle/Tacoma Intl - TYS Knoxville McGhee Tyson
SEATYS
Seattle/Tacoma Intl
Mon 10/26
10:56 pm-11:30 am
2 stops9h 34m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$173
SeattleKnoxville
SEA Seattle/Tacoma Intl - TYS Knoxville McGhee Tyson
SEATYS
Seattle/Tacoma Intl
Wed 11/11
7:48 pm-10:05 pm
3 stops23h 17m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$182
SeattleKnoxville
SEA Seattle/Tacoma Intl - TYS Knoxville McGhee Tyson
SEATYS
Seattle/Tacoma Intl
Tue 11/3
3:35 pm-9:53 am
2 stops15h 18m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$204
SeattleKnoxville
SEA Seattle/Tacoma Intl - TYS Knoxville McGhee Tyson
SEATYS
Seattle/Tacoma Intl
Wed 12/2
6:00 am-6:22 pm
1 stop9h 22m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$206
SeattleKnoxville
SEA Seattle/Tacoma Intl - TYS Knoxville McGhee Tyson
SEATYS
Seattle/Tacoma Intl
Sun 11/8
7:48 pm-8:16 pm
2 stops21h 28m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$212
SeattleKnoxville
SEA Seattle/Tacoma Intl - TYS Knoxville McGhee Tyson
SEATYS
Seattle/Tacoma Intl
Wed 10/28
12:14 pm-8:39 pm
1 stop29h 25m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$237
SeattleKnoxville
SEA Seattle/Tacoma Intl - TYS Knoxville McGhee Tyson
SEATYS
Seattle/Tacoma Intl
Fri 11/13
5:15 am-8:35 pm
2 stops12h 20m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$239
Showing 1-10 of 21 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 October.
| 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, October is the cheapest month in which you can book a flight from Seattle to Knoxville (average of $446). 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?
Airfare is below average for this route at the moment.
Seattle to Knoxville flights typically cost between $410 and $615 in December.The cheapest round-trip price found within the last 5 days was $267 on Delta (Dec 2-Dec 3).
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 October 7, 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.
Entertainment
7.0
Food
7.0
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Food
7.0
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Food
7.0
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Food
7.0
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Food
7.0
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.9
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
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Find flights from Seattle to Knoxville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 October 7, 2026.
Seattle and Knoxville flights
Browse other Seattle and Knoxville flight options. Last updated on October 7, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on October 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated October 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$336 | Average$515 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$354 | Average$556 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$376 | Average$520 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$641 | Average$843 | FlexibilityNo cancel fee | On-time75% |