$163+ Cheap flights from Knoxville (TYS) to Washington
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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SEA
Jun 23 — Jun 301
Round-trip
1 adult, Economy
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Cheapest flights from Knoxville to WashingtonExplore the most affordable flight options available from Knoxville to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 24, 2026.
Explore the most affordable flight options available from Knoxville to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 8/58:32 pm
TYS
- PDX
1 stop23h 21m
Multiple Airlines
Wed 8/125:16 pm
PDX
- TYS
1 stop17h 45m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 8/76:30 am
TYS
- PDX
2 stops37h 21m
Multiple Airlines
Wed 8/125:21 pm
PDX
- TYS
1 stop17h 40m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 5/20. 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 8/265:45 am
TYS
- PSC
2 stops13h 59m
Delta
Sun 8/305:24 pm
PSC
- TYS
2 stops12h 47m
Delta
Deal found 5/20![Delta logo]()
$359
This Frontier deal was found by Cheapflights users on 5/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/158:32 pm
TYS
- SEA
1 stop20h 46m
Frontier
Tue 6/237:41 pm
SEA
- TYS
1 stop20h 56m
Frontier
Deal found 5/20![Frontier logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 6/257:00 am
TYS
- PDX
1 stop12h 57m
Multiple Airlines
Tue 6/305:20 pm
PDX
- TYS
1 stop23h 17m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 7/256:00 am
TYS
- SEA
2 stops31h 39m
Multiple Airlines
Thu 7/308:53 pm
SEA
- TYS
1 stop14h 04m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 5/21. 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 8/277:00 am
TYS
- PDX
2 stops31h 41m
Multiple Airlines
Sun 8/306:19 pm
PDX
- TYS
1 stop18h 39m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$375
This Delta deal was found by Cheapflights users on 5/19. 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 8/2711:38 am
TYS
- PSC
2 stops11h 12m
Delta
Sun 8/305:24 pm
PSC
- TYS
2 stops12h 47m
Delta
Deal found 5/19![Delta logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 8/36:30 am
TYS
- PDX
2 stops37h 01m
Multiple Airlines
Wed 8/125:16 pm
PDX
- TYS
1 stop17h 45m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$379
This CheapOair deal was found by Cheapflights users on 5/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/198:32 pm
TYS
- PDX
1 stop23h 25m
Frontier
Tue 6/235:20 pm
PDX
- TYS
1 stop23h 17m
Frontier
Deal found 5/22![Frontier logo]()
$380
This Booking.com deal was found by Cheapflights users on 5/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:19 pm
TYS
- SEA
1 stop20h 45m
Frontier
Tue 8/257:41 pm
SEA
- TYS
1 stop20h 56m
Frontier
Deal found 5/23![Frontier logo]()
$381
This Kiwi.com deal was found by Cheapflights users on 5/21. 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 8/277:00 am
TYS
- SEA
1 stop10h 04m
Multiple Airlines
Thu 9/109:16 pm
SEA
- TYS
1 stop17h 57m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$384
Best flights from Knoxville to WashingtonDiscover carefully curated flight deals from Knoxville to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 24, 2026.
Discover carefully curated flight deals from Knoxville to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 24, 2026.
This Delta deal was found by Cheapflights users on 5/22. 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 8/276:15 pm
TYS
- PSC
2 stops8h 10m
Delta
Sun 8/305:24 pm
PSC
- TYS
2 stops12h 47m
Delta
Deal found 5/22![Delta logo]()
$359
This Southwest deal was found by Cheapflights users on 5/23. 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 8/247:10 am
TYS
- SEA
1 stop9h 45m
Southwest
Tue 9/111:05 pm
SEA
- TYS
2 stops10h 00m
Southwest
Deal found 5/23![Southwest logo]()
$438
This United Airlines deal was found by Cheapflights users on 5/20. 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 8/274:50 pm
TYS
- PSC
1 stop6h 47m
United Airlines
Sun 8/305:15 am
PSC
- TYS
1 stop7h 39m
United Airlines
Deal found 5/20![United Airlines logo]()
$479
This American Airlines deal was found by Cheapflights users on 5/21. 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.
Sat 6/131:54 pm
TYS
- GEG
2 stops12h 15m
American Airlines
Tue 6/232:01 pm
GEG
- TYS
1 stop6h 52m
American Airlines
Deal found 5/21![American Airlines logo]()
$481
This Alaska Airlines deal was found by Cheapflights users on 5/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:45 pm
TYS
- SEA
1 stop10h 56m
Alaska Airlines
Fri 10/3012:21 am
SEA
- TYS
1 stop7h 55m
Alaska Airlines
Deal found 5/19![Alaska Airlines logo]()
$512
This Delta deal was found by Cheapflights users on 5/23. 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 8/56:15 pm
TYS
- GEG
2 stops8h 11m
Delta
Thu 8/201:52 pm
GEG
- TYS
1 stop6h 08m
Delta
Deal found 5/23![Delta logo]()
$413
This Southwest deal was found by Cheapflights users on 5/21. 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 8/193:00 pm
TYS
- SEA
1 stop11h 05m
Southwest
Sun 8/235:20 am
SEA
- TYS
1 stop8h 55m
Southwest
Deal found 5/21![Southwest logo]()
$438
This Delta deal was found by Cheapflights users on 5/22. 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 7/26:42 pm
TYS
- PDX
1 stop7h 36m
Delta
Wed 7/81:45 pm
PDX
- TYS
1 stop6h 16m
Delta
Deal found 5/22![Delta logo]()
$437
This Southwest deal was found by Cheapflights users on 5/22. 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 9/44:50 pm
TYS
- GEG
1 stop8h 10m
Southwest
Mon 9/76:30 am
GEG
- TYS
1 stop6h 25m
Southwest
Deal found 5/22![Southwest logo]()
$439
This United Airlines deal was found by Cheapflights users on 5/21. 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 6/104:56 pm
TYS
- PDX
1 stop9h 02m
United Airlines
Wed 6/2410:40 pm
PDX
- TYS
1 stop7h 03m
United Airlines
Deal found 5/21![United Airlines logo]()
$486
This Delta deal was found by Cheapflights users on 5/20. 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 7/83:59 pm
TYS
- SEA
1 stop9h 34m
Delta
Wed 7/1512:05 pm
SEA
- TYS
1 stop7h 56m
Delta
Deal found 5/20![Delta logo]()
$444
This Southwest deal was found by Cheapflights users on 5/20. 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 8/204:50 pm
TYS
- SEA
2 stops10h 30m
Southwest
Tue 8/2511:05 pm
SEA
- TYS
2 stops10h 00m
Southwest
Deal found 5/20![Southwest logo]()
$453
This United Airlines deal was found by Cheapflights users on 5/22. 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 10/146:00 am
TYS
- SEA
2 stops16h 14m
United Airlines
Mon 11/27:00 am
SEA
- TYS
2 stops13h 37m
United Airlines
Deal found 5/22![United Airlines logo]()
$517
This Alaska Airlines deal was found by Cheapflights users on 5/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am
TYS
- PSC
2 stops14h 23m
Alaska Airlines
Wed 10/286:00 pm
PSC
- TYS
2 stops13h 48m
Alaska Airlines
Deal found 5/23![Alaska Airlines logo]()
$569
This Southwest deal was found by Cheapflights users on 5/21. 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 9/64:45 pm
TYS
- SEA
1 stop9h 10m
Southwest
Mon 9/1411:05 pm
SEA
- TYS
2 stops10h 00m
Southwest
Deal found 5/21![Southwest logo]()
$461
This Delta deal was found by Cheapflights users on 5/19. 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 7/163:59 pm
TYS
- SEA
1 stop9h 34m
Delta
Fri 7/245:20 am
SEA
- TYS
1 stop6h 58m
Delta
Deal found 5/19![Delta logo]()
$478
This United Airlines deal was found by Cheapflights users on 5/21. 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 6/165:45 am
TYS
- PDX
2 stops13h 12m
United Airlines
Wed 6/1710:40 pm
PDX
- TYS
1 stop8h 03m
United Airlines
Deal found 5/21![United Airlines logo]()
$552
This Southwest deal was found by Cheapflights users on 5/19. 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 7/304:20 pm
TYS
- PDX
1 stop7h 40m
Southwest
Mon 8/311:30 pm
PDX
- TYS
2 stops9h 35m
Southwest
Deal found 5/19![Southwest logo]()
$462
This Delta deal was found by Cheapflights users on 5/19. 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 7/2010:26 am
TYS
- SEA
1 stop7h 24m
Delta
Fri 7/245:20 am
SEA
- TYS
1 stop6h 58m
Delta
Deal found 5/19![Delta logo]()
$478
This United Airlines deal was found by Cheapflights users on 5/21. 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 8/104:56 pm
TYS
- PDX
1 stop9h 17m
United Airlines
Wed 8/127:10 am
PDX
- TYS
1 stop8h 07m
United Airlines
Deal found 5/21![United Airlines logo]()
$571
This Southwest deal was found by Cheapflights users on 5/22. 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 9/32:05 pm
TYS
- GEG
2 stops10h 55m
Southwest
Mon 9/76:30 am
GEG
- TYS
1 stop6h 25m
Southwest
Deal found 5/22![Southwest logo]()
$474
This Delta deal was found by Cheapflights users on 5/20. 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 7/83:54 pm
TYS
- GEG
1 stop8h 39m
Delta
Sun 7/125:37 pm
GEG
- TYS
2 stops12h 59m
Delta
Deal found 5/20![Delta logo]()
$490
This Alaska Airlines deal was found by Cheapflights users on 5/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:40 pm
TYS
- ALW
2 stops13h 09m
Alaska Airlines
Sat 10/315:01 am
ALW
- TYS
2 stops11h 19m
Alaska Airlines
Deal found 5/19![Alaska Airlines logo]()
$745
This United Airlines deal was found by Cheapflights users on 5/19. 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 8/269:45 am
TYS
- PSC
2 stops13h 52m
United Airlines
Sun 8/305:15 am
PSC
- TYS
1 stop7h 39m
United Airlines
Deal found 5/19![United Airlines logo]()
$578
This Southwest deal was found by Cheapflights users on 5/20. 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 8/55:30 pm
TYS
- PDX
2 stops8h 40m
Southwest
Mon 8/1011:30 pm
PDX
- TYS
2 stops9h 35m
Southwest
Deal found 5/20![Southwest logo]()
$487
This Delta deal was found by Cheapflights users on 5/22. 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 6/305:40 am
TYS
- GEG
2 stops10h 38m
Delta
Tue 7/710:48 pm
GEG
- TYS
1 stop9h 17m
Delta
Deal found 5/22![Delta logo]()
$490
This United Airlines deal was found by Cheapflights users on 5/22. 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 7/26:00 am
TYS
- PDX
1 stop8h 38m
United Airlines
Wed 7/811:40 pm
PDX
- TYS
2 stops11h 47m
United Airlines
Deal found 5/22![United Airlines logo]()
$591
This Southwest deal was found by Cheapflights users on 5/19. 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 8/64:50 pm
TYS
- PDX
1 stop8h 55m
Southwest
Mon 8/1011:30 pm
PDX
- TYS
2 stops9h 35m
Southwest
Deal found 5/19![Southwest logo]()
$492
This Delta deal was found by Cheapflights users on 5/20. 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 6/105:40 am
TYS
- GEG
2 stops10h 38m
Delta
Mon 6/1512:47 pm
GEG
- TYS
1 stop8h 07m
Delta
Deal found 5/20![Delta logo]()
$493
This Southwest deal was found by Cheapflights users on 5/19. 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 8/86:50 am
TYS
- PDX
2 stops14h 30m
Southwest
Wed 8/1211:30 pm
PDX
- TYS
2 stops16h 05m
Southwest
Deal found 5/19![Southwest logo]()
$499
Last-minute flights from Knoxville to WashingtonDiscover last-minute flight deals from Knoxville to Washington. Data last updated May 24, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Washington. Data last updated May 24, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/21. 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 6/166:00 am
TYS
- PDX
1 stop8h 38m
United Airlines
Wed 6/1710:40 pm
PDX
- TYS
1 stop8h 03m
United Airlines
Deal found 5/21![United Airlines logo]()
$414
This United Airlines deal was found by Cheapflights users on 5/20. 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 6/166:00 am
TYS
- PDX
1 stop8h 38m
United Airlines
Sat 6/2010:40 pm
PDX
- TYS
1 stop8h 03m
United Airlines
Deal found 5/20![United Airlines logo]()
$426
This CheapOair deal was found by Cheapflights users on 5/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/198:32 pm
TYS
- PDX
1 stop23h 25m
Frontier
Tue 6/235:20 pm
PDX
- TYS
1 stop23h 17m
Frontier
Deal found 5/22![Frontier logo]()
$380
This American Airlines deal was found by Cheapflights users on 5/21. 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.
Tue 6/235:33 pm
TYS
- PDX
1 stop10h 17m
American Airlines
Wed 7/811:15 pm
PDX
- TYS
1 stop8h 50m
American Airlines
Deal found 5/21![American Airlines logo]()
$422
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 6/248:32 pm
TYS
- PDX
1 stop23h 25m
Frontier
Tue 6/305:20 pm
PDX
- TYS
1 stop23h 17m
Frontier
Deal found 5/18![Frontier logo]()
$413
This American Airlines deal was found by Cheapflights users on 5/22. 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 6/246:07 pm
TYS
- PDX
1 stop8h 52m
American Airlines
Wed 7/85:49 am
PDX
- TYS
1 stop8h 47m
American Airlines
Deal found 5/22![American Airlines logo]()
$421
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 6/249:00 am
TYS
- PDX
2 stops26h 07m
Multiple Airlines
Tue 6/305:20 pm
PDX
- TYS
1 stop23h 17m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 6/257:00 am
TYS
- PDX
1 stop12h 57m
Multiple Airlines
Tue 6/305:20 pm
PDX
- TYS
1 stop23h 17m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 6/257:00 am
TYS
- PDX
1 stop12h 57m
Multiple Airlines
Wed 7/15:20 pm
PDX
- TYS
1 stop17h 31m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$432
This Delta deal was found by Cheapflights users on 5/22. 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 6/295:40 am
TYS
- GEG
2 stops10h 38m
Delta
Wed 7/812:35 pm
GEG
- TYS
1 stop7h 26m
Delta
Deal found 5/22![Delta logo]()
$431
This Delta deal was found by Cheapflights users on 5/22. 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 6/295:40 am
TYS
- GEG
2 stops10h 38m
Delta
Thu 7/910:48 pm
GEG
- TYS
1 stop7h 48m
Delta
Deal found 5/22![Delta logo]()
$462
This Delta deal was found by Cheapflights users on 5/22. 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 6/295:40 am
TYS
- GEG
2 stops10h 38m
Delta
Sat 7/41:10 pm
GEG
- TYS
2 stops7h 52m
Delta
Deal found 5/22![Delta logo]()
$468
One-way flights from Knoxville to WashingtonSearch for one-way flight options from Knoxville to Washington. Find affordable one-way fares based on user searches. Data last updated May 24, 2026.
Search for one-way flight options from Knoxville to Washington. Find affordable one-way fares based on user searches. Data last updated May 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 8/172:47 pm
TYS
- SEA
1 stop22h 48m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 8/149:08 pm
TYS
- SEA
2 stops40h 31m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$184
This Delta deal was found by Cheapflights users on 5/20. 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 7/73:59 pm
TYS
- SEA
1 stop9h 34m
Delta
Deal found 5/20![Delta logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 8/167:00 am
TYS
- SEA
1 stop29h 17m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 5/20. 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 7/83:54 pm
TYS
- GEG
1 stop8h 39m
Delta
Deal found 5/20![Delta logo]()
$198
This United Airlines deal was found by Cheapflights users on 5/19. 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 6/166:00 am
TYS
- PDX
1 stop8h 38m
United Airlines
Deal found 5/19![United Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 8/156:00 pm
TYS
- SEA
2 stops19h 39m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$199
This Southwest deal was found by Cheapflights users on 5/20. 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 7/145:40 pm
TYS
- SEA
2 stops9h 50m
Southwest
Deal found 5/20![Southwest logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 7/276:30 am
TYS
- SEA
3 stops55h 09m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 8/27:00 am
TYS
- SEA
1 stop29h 17m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$204
This CheapOair deal was found by Cheapflights users on 5/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/198:32 pm
TYS
- PDX
1 stop23h 25m
Frontier
Deal found 5/22![Frontier logo]()
$206
This Booking.com deal was found by Cheapflights users on 5/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/158:32 pm
TYS
- SEA
1 stop16h 16m
Frontier
Deal found 5/20![Frontier logo]()
$207
Find flight deals from Knoxville to Washington
Keep the following information in mind while searching for Knoxville to Washington flight deals. Data was last updated May 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $343 (Kiwi.com) |
One-way from | $163 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $536 |
Cheapflights Fare Finder
Customize your flight search to find flights from Knoxville to Washington 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 May 24, 2026.
Use the filters below to find and compare flights from Knoxville to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KnoxvillePasco
TYS - PSC
TYSPSC
Knoxville McGhee Tyson
Thu 8/27
6:15 pm-11:25 pm
2 stops8h 10m
Pasco Tri Cities
Sun 8/30
5:24 pm-9:11 am
2 stops12h 47m
$359
KnoxvilleSpokane
TYS - GEG
TYSGEG
Knoxville McGhee Tyson
Wed 8/5
6:15 pm-11:26 pm
2 stops8h 11m
Spokane
Thu 8/20
1:52 pm-11:00 pm
1 stop6h 08m
$413
Quickest round-trip
KnoxvillePortland
TYS - PDX
TYSPDX
Knoxville McGhee Tyson
Thu 7/2
6:42 pm-11:18 pm
1 stop7h 36m
Portland
Wed 7/8
1:45 pm-11:01 pm
1 stop6h 16m
$437
KnoxvilleSeattle
TYS - SEA
TYSSEA
Knoxville McGhee Tyson
Mon 8/24
7:10 am-1:55 pm
1 stop9h 45m
Seattle/Tacoma Intl
Tue 9/1
11:05 pm-12:05 pm
2 stops10h 00m
$438
KnoxvilleSeattle
TYS - SEA
TYSSEA
Knoxville McGhee Tyson
Wed 8/19
3:00 pm-11:05 pm
1 stop11h 05m
Seattle/Tacoma Intl
Sun 8/23
5:20 am-5:15 pm
1 stop8h 55m
$438
KnoxvilleSpokane
TYS - GEG
TYSGEG
Knoxville McGhee Tyson
Fri 9/4
4:50 pm-10:00 pm
1 stop8h 10m
Spokane
Mon 9/7
6:30 am-3:55 pm
1 stop6h 25m
$439
KnoxvilleSeattle
TYS - SEA
TYSSEA
Knoxville McGhee Tyson
Wed 7/8
3:59 pm-10:33 pm
1 stop9h 34m
Seattle/Tacoma Intl
Wed 7/15
12:05 pm-11:01 pm
1 stop7h 56m
$444
KnoxvilleSeattle
TYS - SEA
TYSSEA
Knoxville McGhee Tyson
Thu 8/20
4:50 pm-12:20 am
2 stops10h 30m
Seattle/Tacoma Intl
Tue 8/25
11:05 pm-12:05 pm
2 stops10h 00m
$453
KnoxvilleSeattle
TYS - SEA
TYSSEA
Knoxville McGhee Tyson
Sun 9/6
4:45 pm-10:55 pm
1 stop9h 10m
Seattle/Tacoma Intl
Mon 9/14
11:05 pm-12:05 pm
2 stops10h 00m
$461
KnoxvillePortland
TYS - PDX
TYSPDX
Knoxville McGhee Tyson
Thu 7/30
4:20 pm-9:00 pm
1 stop7h 40m
Portland
Mon 8/3
11:30 pm-12:05 pm
2 stops9h 35m
$462
Showing 1-10 of 54 resultsSorted by cheapest first
Best time to book a flight from Knoxville to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Knoxville with our price prediction graph.
TYS-PDX
TYS-PSC
TYS-SEA
TYS-GEG
TYS-ALW
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 Washington
TYS-USWA
TYS-PDX
TYS-PSC
TYS-SEA
TYS-GEG
What is the cheapest month to book a flight from Knoxville to State of Washington?
Currently, August is the cheapest month in which you can book a flight from Knoxville to State of Washington (average of $179). Flying from Knoxville to State of Washington in November is currently the most expensive (average of $436). 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 State of Washington?
How far ahead should I book a flight from Knoxville to State of Washington?
To ensure you get the cheapest price possible for a flight from Knoxville to State of Washington, you should look to book at least 17 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Reviews of airlines servicing Washington
Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated May 24, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andUnited Airlines from Knoxville to Washington by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Overall
7.9
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Overall
7.9
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Overall
7.9
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Overall
7.9
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Overall
7.9
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Overall
7.9
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Related info for your journey
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Knoxville and Washington flights
Browse other Knoxville and Washington flight options. Last updated on May 24, 2026.
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Knoxville to Washington flights
Consider these flights traveling from Knoxville to Washington.
Top 5 airlines flying from Knoxville to Washington
Discover the top 5 airlines that operate flights from Knoxville to Washington. 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 May 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$278 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$288 | Average$516 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$288 | Average$528 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$304 | Average$580 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$408 | Average$704 | FlexibilityNo cancel fee | On-time75% |