$135+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SEA
jun 7 — jun 141
Round-trip
1 adult, Economy
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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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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 maio 8, 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 maio 8, 2026.
This Mytrip deal was found by Cheapflights users on 5/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 8/128:32 pm
TYS
- SEA
1 stop16h 17m
Frontier
dom 8/167:41 pm
SEA
- TYS
1 stop20h 55m
Frontier
Deal found 5/7![Frontier logo]()
$260
This Gotogate deal was found by Cheapflights users on 5/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 8/198:32 pm
TYS
- SEA
1 stop16h 16m
Frontier
qui 8/277:41 pm
SEA
- TYS
1 stop20h 56m
Frontier
Deal found 5/7![Frontier logo]()
$274
This CheapOair deal was found by Cheapflights users on 5/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 8/218:32 pm
TYS
- PDX
1 stop23h 25m
Frontier
dom 8/2312:26 pm
PDX
- TYS
1 stop28h 11m
Frontier
Deal found 5/5![Frontier logo]()
$280
This Mytrip deal was found by Cheapflights users on 5/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 7/88:32 pm
TYS
- SEA
1 stop16h 17m
Frontier
qui 7/233:34 pm
SEA
- TYS
1 stop25h 02m
Frontier
Deal found 5/7![Frontier logo]()
$281
This CheapOair deal was found by Cheapflights users on 5/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 6/18:32 pm
TYS
- PDX
1 stop23h 29m
Frontier
dom 6/712:35 pm
PDX
- TYS
1 stop27h 58m
Frontier
Deal found 5/4![Frontier logo]()
$300
This Booking.com deal was found by Cheapflights users on 5/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 7/88:32 pm
TYS
- SEA
1 stop16h 17m
Frontier
ter 7/217:41 pm
SEA
- TYS
1 stop20h 55m
Frontier
Deal found 5/7![Frontier logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
seg 6/87:25 am
TYS
- SEA
2 stops29h 23m
Multiple Airlines
qui 6/117:41 pm
SEA
- TYS
1 stop20h 56m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$304
This CheapOair deal was found by Cheapflights users on 5/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 7/18:32 pm
TYS
- PDX
1 stop23h 25m
Frontier
ter 7/75:16 pm
PDX
- TYS
1 stop23h 20m
Frontier
Deal found 5/6![Frontier logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
dom 6/77:00 am
TYS
- SEA
2 stops38h 35m
Multiple Airlines
qui 6/117:41 pm
SEA
- TYS
1 stop20h 56m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$326
This CheapOair deal was found by Cheapflights users on 5/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 7/208:32 pm
TYS
- PDX
1 stop22h 59m
Frontier
ter 8/45:16 pm
PDX
- TYS
1 stop23h 20m
Frontier
Deal found 5/5![Frontier logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
seg 6/87:25 am
TYS
- SEA
2 stops29h 23m
Multiple Airlines
sáb 6/137:41 pm
SEA
- TYS
1 stop15h 11m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 6/187:00 am
TYS
- PDX
2 stops39h 47m
Multiple Airlines
ter 6/235:20 pm
PDX
- TYS
1 stop23h 17m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$353
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 maio 8, 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 maio 8, 2026.
This Delta deal was found by Cheapflights users on 5/5. 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.
qua 7/226:45 am
TYS
- GEG
1 stop7h 54m
Delta
qua 7/2910:48 pm
GEG
- TYS
1 stop9h 17m
Delta
Deal found 5/5![Delta logo]()
$395
This American Airlines deal was found by Cheapflights users on 5/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 8/51:46 pm
TYS
- GEG
1 stop9h 56m
American Airlines
qui 8/2012:53 pm
GEG
- TYS
1 stop7h 25m
American Airlines
Deal found 5/4![American Airlines logo]()
$443
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 8/317:10 am
TYS
- SEA
1 stop9h 45m
Southwest
qui 9/1011:05 pm
SEA
- TYS
2 stops9h 50m
Southwest
Deal found 5/6![Southwest logo]()
$462
This United Airlines deal was found by Cheapflights users on 5/6. 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.
qua 6/31:35 pm
TYS
- PDX
1 stop10h 49m
United Airlines
sáb 6/610:40 pm
PDX
- TYS
1 stop8h 03m
United Airlines
Deal found 5/6![United Airlines logo]()
$510
This Delta deal was found by Cheapflights users on 5/4. 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.
sáb 6/136:45 am
TYS
- GEG
1 stop9h 33m
Delta
ter 6/232:23 pm
GEG
- TYS
1 stop5h 38m
Delta
Deal found 5/4![Delta logo]()
$402
This Southwest deal was found by Cheapflights users on 5/5. 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.
qua 8/191:55 pm
TYS
- SEA
2 stops12h 10m
Southwest
qua 9/911:05 pm
SEA
- TYS
2 stops9h 50m
Southwest
Deal found 5/5![Southwest logo]()
$467
This American Airlines deal was found by Cheapflights users on 5/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 7/28:11 pm
TYS
- PDX
1 stop7h 44m
American Airlines
qua 7/85:49 am
PDX
- TYS
1 stop8h 47m
American Airlines
Deal found 5/3![American Airlines logo]()
$468
This Delta deal was found by Cheapflights users on 5/6. 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.
qua 8/55:45 am
TYS
- GEG
2 stops13h 24m
Delta
qui 8/205:20 am
GEG
- TYS
2 stops8h 59m
Delta
Deal found 5/6![Delta logo]()
$438
This United Airlines deal was found by Cheapflights users on 5/7. 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.
qui 5/286:30 am
TYS
- PDX
2 stops13h 17m
United Airlines
ter 6/26:03 pm
PDX
- TYS
2 stops12h 40m
United Airlines
Deal found 5/7![United Airlines logo]()
$520
This Southwest deal was found by Cheapflights users on 5/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 8/274:50 pm
TYS
- SEA
2 stops10h 30m
Southwest
qui 9/1011:05 pm
SEA
- TYS
2 stops9h 50m
Southwest
Deal found 5/7![Southwest logo]()
$487
This Delta deal was found by Cheapflights users on 5/4. 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.
seg 7/136:45 am
TYS
- PDX
1 stop6h 56m
Delta
seg 7/2011:15 pm
PDX
- TYS
1 stop8h 05m
Delta
Deal found 5/4![Delta logo]()
$457
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 9/16:30 am
TYS
- SEA
2 stops15h 37m
United Airlines
sex 9/116:00 pm
SEA
- TYS
2 stops13h 36m
United Airlines
Deal found 5/4![United Airlines logo]()
$536
This American Airlines deal was found by Cheapflights users on 5/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 6/911:43 am
TYS
- PSC
2 stops14h 42m
American Airlines
ter 6/165:15 am
PSC
- TYS
2 stops13h 42m
American Airlines
Deal found 5/6![American Airlines logo]()
$545
This Delta deal was found by Cheapflights users on 5/5. 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.
qua 6/105:25 pm
TYS
- GEG
2 stops9h 34m
Delta
qua 6/1712:35 pm
GEG
- TYS
1 stop7h 26m
Delta
Deal found 5/5![Delta logo]()
$462
This Southwest deal was found by Cheapflights users on 5/3. 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.
qua 7/12:45 pm
TYS
- PDX
2 stops10h 50m
Southwest
ter 7/75:35 am
PDX
- TYS
1 stop9h 45m
Southwest
Deal found 5/3![Southwest logo]()
$528
This United Airlines deal was found by Cheapflights users on 5/7. 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.
sex 5/295:45 am
TYS
- SEA
1 stop9h 06m
United Airlines
ter 6/211:00 pm
SEA
- TYS
2 stops12h 27m
United Airlines
Deal found 5/7![United Airlines logo]()
$538
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 6/155:40 am
TYS
- SEA
1 stop7h 20m
Delta
dom 6/285:30 am
SEA
- TYS
1 stop6h 26m
Delta
Deal found 5/3![Delta logo]()
$478
This United Airlines deal was found by Cheapflights users on 5/6. 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.
qua 7/225:45 am
TYS
- SEA
2 stops13h 24m
United Airlines
seg 7/275:04 pm
SEA
- TYS
2 stops13h 39m
United Airlines
Deal found 5/6![United Airlines logo]()
$543
This Southwest deal was found by Cheapflights users on 5/5. 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.
ter 6/236:55 pm
TYS
- SEA
2 stops8h 25m
Southwest
ter 6/307:35 am
SEA
- TYS
2 stops9h 45m
Southwest
Deal found 5/5![Southwest logo]()
$547
This Delta deal was found by Cheapflights users on 5/4. 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.
seg 7/611:55 am
TYS
- SEA
1 stop10h 09m
Delta
dom 7/125:20 am
SEA
- TYS
1 stop6h 58m
Delta
Deal found 5/4![Delta logo]()
$478
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 7/267:00 pm
TYS
- SEA
2 stops9h 10m
Southwest
qui 7/306:30 am
SEA
- TYS
2 stops11h 40m
Southwest
Deal found 5/6![Southwest logo]()
$577
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 5/291:54 pm
TYS
- PSC
2 stops13h 52m
United Airlines
ter 6/212:10 pm
PSC
- TYS
1 stop7h 09m
United Airlines
Deal found 5/4![United Airlines logo]()
$579
This Delta deal was found by Cheapflights users on 5/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 5/215:20 pm
TYS
- PDX
1 stop7h 42m
Delta
dom 5/2411:12 pm
PDX
- TYS
1 stop8h 09m
Delta
Deal found 5/7![Delta logo]()
$517
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 7/134:20 pm
TYS
- PDX
2 stops11h 10m
Southwest
seg 7/205:50 am
PDX
- TYS
2 stops12h 20m
Southwest
Deal found 5/6![Southwest logo]()
$585
This United Airlines deal was found by Cheapflights users on 5/5. 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.
qua 6/31:35 pm
TYS
- PDX
1 stop10h 49m
United Airlines
qua 6/1011:30 pm
PDX
- TYS
1 stop8h 12m
United Airlines
Deal found 5/5![United Airlines logo]()
$595
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 7/86:55 pm
TYS
- SEA
2 stops8h 25m
Southwest
sáb 7/185:30 am
SEA
- TYS
2 stops11h 05m
Southwest
Deal found 5/6![Southwest logo]()
$590
This United Airlines deal was found by Cheapflights users on 5/6. 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.
sáb 7/115:45 am
TYS
- PDX
2 stops13h 12m
United Airlines
ter 7/146:03 pm
PDX
- TYS
2 stops13h 39m
United Airlines
Deal found 5/6![United Airlines logo]()
$606
This Delta deal was found by Cheapflights users on 5/5. 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.
qui 6/45:40 am
TYS
- PDX
1 stop7h 31m
Delta
seg 6/811:15 pm
PDX
- TYS
1 stop8h 12m
Delta
Deal found 5/5![Delta logo]()
$559
This Delta deal was found by Cheapflights users on 5/4. 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.
ter 5/195:40 am
TYS
- PSC
2 stops11h 26m
Delta
sáb 5/237:05 am
PSC
- TYS
2 stops13h 56m
Delta
Deal found 5/4![Delta logo]()
$579
This Delta deal was found by Cheapflights users on 5/8. 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.
seg 7/205:40 am
TYS
- PDX
2 stops9h 01m
Delta
ter 8/411:55 am
PDX
- TYS
1 stop8h 05m
Delta
Deal found 5/8![Delta logo]()
$584
Last-minute flights from Knoxville to WashingtonDiscover last-minute flight deals from Knoxville to Washington. Data last updated maio 8, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Washington. Data last updated maio 8, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 5/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 5/158:32 pm
TYS
- SEA
1 stop16h 17m
Frontier
dom 5/177:50 pm
SEA
- TYS
1 stop20h 43m
Frontier
Deal found 5/6![Frontier logo]()
$359
This CheapOair deal was found by Cheapflights users on 5/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 6/18:32 pm
TYS
- PDX
1 stop23h 29m
Frontier
dom 6/712:35 pm
PDX
- TYS
1 stop27h 58m
Frontier
Deal found 5/4![Frontier logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
dom 6/77:00 am
TYS
- SEA
2 stops38h 35m
Multiple Airlines
qui 6/117:41 pm
SEA
- TYS
1 stop20h 56m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
dom 6/77:00 am
TYS
- SEA
2 stops38h 35m
Multiple Airlines
sáb 6/137:41 pm
SEA
- TYS
1 stop15h 11m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
dom 6/77:00 am
TYS
- SEA
1 stop30h 06m
Multiple Airlines
seg 6/153:33 pm
SEA
- TYS
2 stops21h 22m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
seg 6/87:25 am
TYS
- SEA
2 stops29h 23m
Multiple Airlines
qui 6/117:41 pm
SEA
- TYS
1 stop20h 56m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
seg 6/87:25 am
TYS
- SEA
2 stops29h 23m
Multiple Airlines
sáb 6/137:41 pm
SEA
- TYS
1 stop15h 11m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
seg 6/88:32 pm
TYS
- SEA
1 stop16h 16m
Frontier
qui 6/117:41 pm
SEA
- TYS
1 stop20h 56m
Frontier
Deal found 5/7![Frontier logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
ter 6/94:45 pm
TYS
- SEA
2 stops24h 33m
Multiple Airlines
qui 6/117:41 pm
SEA
- TYS
1 stop20h 56m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$370
This Gotogate deal was found by Cheapflights users on 5/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 6/108:32 pm
TYS
- SEA
1 stop16h 16m
Frontier
ter 6/233:33 pm
SEA
- TYS
1 stop25h 04m
Frontier
Deal found 5/6![Frontier logo]()
$366
This American Airlines deal was found by Cheapflights users on 5/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 6/165:37 am
TYS
- SEA
1 stop8h 12m
American Airlines
qua 6/245:10 am
SEA
- TYS
1 stop8h 33m
American Airlines
Deal found 5/4![American Airlines logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 6/187:00 am
TYS
- PDX
2 stops39h 47m
Multiple Airlines
ter 6/235:20 pm
PDX
- TYS
1 stop23h 17m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$353
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 maio 8, 2026.
Search for one-way flight options from Knoxville to Washington. Find affordable one-way fares based on user searches. Data last updated maio 8, 2026.
This Mytrip deal was found by Cheapflights users on 5/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 6/58:32 pm
TYS
- SEA
1 stop16h 34m
Frontier
Deal found 5/7![Frontier logo]()
$135
This CheapOair deal was found by Cheapflights users on 5/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 6/198:32 pm
TYS
- PDX
1 stop23h 25m
Frontier
Deal found 5/6![Frontier logo]()
$136
This Mytrip deal was found by Cheapflights users on 5/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 6/298:32 pm
TYS
- SEA
1 stop16h 16m
Frontier
Deal found 5/6![Frontier logo]()
$155
This Mytrip deal was found by Cheapflights users on 5/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 6/178:32 pm
TYS
- SEA
1 stop16h 16m
Frontier
Deal found 5/6![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
qui 8/67:00 am
TYS
- PDX
1 stop12h 53m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
dom 8/162:51 pm
TYS
- SEA
2 stops46h 44m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
ter 6/94:45 pm
TYS
- SEA
2 stops44h 50m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$188
This American Airlines deal was found by Cheapflights users on 5/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 6/25:33 pm
TYS
- PDX
1 stop8h 18m
American Airlines
Deal found 5/4![American Airlines logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
seg 6/295:30 pm
TYS
- SEA
2 stops43h 18m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
sex 6/57:25 am
TYS
- SEA
3 stops38h 40m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$190
This American Airlines deal was found by Cheapflights users on 5/5. 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.
ter 6/95:33 pm
TYS
- SEA
1 stop10h 26m
American Airlines
Deal found 5/5![American Airlines logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
qua 5/272:20 pm
TYS
- SEA
2 stops55h 15m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$197
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 maio 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $260 (Mytrip) |
One-way from | $135 (Mytrip) |
Popular in | December |
Cheapest in | August |
Average price | $564 |
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 maio 8, 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
KnoxvilleSpokane
TYS - GEG
TYSGEG
Knoxville McGhee Tyson
qua 7/22
6:45 am-11:39 am
1 stop7h 54m
Spokane
qua 7/29
10:48 pm-11:05 am
1 stop9h 17m
$395
KnoxvilleSpokane
TYS - GEG
TYSGEG
Knoxville McGhee Tyson
sáb 6/13
6:45 am-1:18 pm
1 stop9h 33m
Spokane
ter 6/23
2:23 pm-11:01 pm
1 stop5h 38m
$402
KnoxvilleSpokane
TYS - GEG
TYSGEG
Knoxville McGhee Tyson
qua 8/5
5:45 am-4:09 pm
2 stops13h 24m
Spokane
qui 8/20
5:20 am-5:19 pm
2 stops8h 59m
$438
KnoxvilleSpokane
TYS - GEG
TYSGEG
Knoxville McGhee Tyson
qua 8/5
1:46 pm-8:42 pm
1 stop9h 56m
Spokane
qui 8/20
12:53 pm-11:18 pm
1 stop7h 25m
$443
KnoxvillePortland
TYS - PDX
TYSPDX
Knoxville McGhee Tyson
seg 7/13
6:45 am-10:41 am
1 stop6h 56m
Portland
seg 7/20
11:15 pm-10:20 am
1 stop8h 05m
$457
KnoxvilleSeattle
TYS - SEA
TYSSEA
Knoxville McGhee Tyson
seg 8/31
7:10 am-1:55 pm
1 stop9h 45m
Seattle/Tacoma Intl
qui 9/10
11:05 pm-11:55 am
2 stops9h 50m
$462
KnoxvilleSpokane
TYS - GEG
TYSGEG
Knoxville McGhee Tyson
qua 6/10
5:25 pm-11:59 pm
2 stops9h 34m
Spokane
qua 6/17
12:35 pm-11:01 pm
1 stop7h 26m
$462
KnoxvilleSeattle
TYS - SEA
TYSSEA
Knoxville McGhee Tyson
qua 8/19
1:55 pm-11:05 pm
2 stops12h 10m
Seattle/Tacoma Intl
qua 9/9
11:05 pm-11:55 am
2 stops9h 50m
$467
KnoxvillePortland
TYS - PDX
TYSPDX
Knoxville McGhee Tyson
qui 7/2
8:11 pm-12:55 am
1 stop7h 44m
Portland
qua 7/8
5:49 am-5:36 pm
1 stop8h 47m
$468
Quickest round-trip
KnoxvilleSeattle
TYS - SEA
TYSSEA
Knoxville McGhee Tyson
seg 6/15
5:40 am-10:00 am
1 stop7h 20m
Seattle/Tacoma Intl
dom 6/28
5:30 am-2:56 pm
1 stop6h 26m
$478
Showing 1-10 of 60 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-SEA
TYS-PDX
TYS-PSC
TYS-GEG
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-SEA
TYS-PDX
TYS-PSC
TYS-GEG
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 75 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.
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 December is currently the most expensive (average of $434). 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?
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 maio 8, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican 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.
Entertainment
7.8
Boarding
8.1
Overall
7.9
Comfort
7.9
Crew
8.5
Food
7.2
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Entertainment
7.8
Boarding
8.1
Overall
7.9
Comfort
7.9
Crew
8.5
Food
7.2
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Entertainment
7.8
Boarding
8.1
Overall
7.9
Comfort
7.9
Crew
8.5
Food
7.2
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Entertainment
7.8
Boarding
8.1
Overall
7.9
Comfort
7.9
Crew
8.5
Food
7.2
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Entertainment
7.8
Boarding
8.1
Overall
7.9
Comfort
7.9
Crew
8.5
Food
7.2
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Related info for your journey
Find useful and relevant information for your journey from Knoxville to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
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Knoxville and Washington flights
Browse other Knoxville and Washington flight options. Last updated on maio 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Knoxville to Washington flights
Consider these flights traveling from Knoxville to Washington.
Top 4 airlines flying from Knoxville to Washington
Discover the top 4 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 maio 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$278 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$288 | Average$518 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$288 | Average$520 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$304 | Average$607 | FlexibilityNo cancel fee | On-time69% |