$182+ Cheap flights from Knoxville (TYS) to Washington
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SEA
Nov 4 — Nov 111
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 October 5, 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 October 5, 2026.
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 10/287:30 am -
1 stop9h 47m
Wed 11/46:14 am -
1 stop7h 15m
Deal found 10/5![American Airlines 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 11/44:15 pm -
1 stop8h 40m
Mon 11/94:05 pm -
2 stops17h 15m
Deal found 10/5![Southwest logo]()
$306
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 11/45:15 pm -
2 stops9h 20m
Wed 11/116:10 am -
1 stop6h 20m
Deal found 10/5![Southwest logo]()
$344
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.
Tue 11/245:30 am -
1 stop9h 02m
Tue 12/110:27 am -
1 stop10h 05m
Deal found 10/5![American Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:55 pm -
1 stop8h 41m
Tue 11/35:10 am -
1 stop8h 32m
Deal found 10/1![American Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:43 am -
1 stop7h 49m
Tue 11/310:56 pm -
2 stops9h 34m
Deal found 10/1![United Airlines logo]()
$368
This American Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:49 pm -
1 stop9h 21m
Mon 10/266:12 am -
1 stop9h 08m
Deal found 10/1![American Airlines logo]()
$377
This United Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:00 am -
1 stop9h 25m
Fri 11/610:56 pm -
1 stop8h 11m
Deal found 10/1![United Airlines logo]()
$391
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 10/2711:59 am -
1 stop10h 18m
Sat 10/318:09 am -
1 stop8h 27m
Deal found 10/5![United Airlines logo]()
$397
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.
Sat 11/147:10 am -
1 stop10h 40m
Sun 11/2211:15 pm -
1 stop8h 05m
Deal found 10/4![Delta logo]()
$401
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 11/167:05 am -
2 stops15h 00m
Wed 11/185:40 am -
2 stops11h 10m
Deal found 10/4![Southwest logo]()
$403
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.
Mon 11/22:38 pm -
2 stops9h 44m
Mon 11/910:55 pm -
1 stop8h 00m
Deal found 10/5![Delta logo]()
$418
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 October 5, 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 October 5, 2026.
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 11/44:15 pm -
1 stop8h 40m
Mon 11/94:05 pm -
2 stops17h 15m
Deal found 10/5![Southwest logo]()
$306
This United Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:43 am -
1 stop7h 49m
Tue 11/310:56 pm -
2 stops9h 34m
Deal found 10/1![United Airlines logo]()
$368
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.
Mon 11/25:40 am -
1 stop9h 10m
Mon 11/912:54 pm -
1 stop8h 05m
Deal found 10/5![Delta logo]()
$489
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am -
1 stop8h 59m
Wed 10/2112:49 pm -
1 stop7h 29m
Deal found 10/2![American Airlines logo]()
$565
This United Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:00 am -
1 stop9h 25m
Fri 11/610:56 pm -
1 stop8h 11m
Deal found 10/1![United Airlines logo]()
$391
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 11/167:05 am -
2 stops15h 00m
Wed 11/185:40 am -
2 stops11h 10m
Deal found 10/4![Southwest logo]()
$403
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 10/275:40 pm -
1 stop9h 19m
Sat 10/315:23 pm -
2 stops14h 30m
Deal found 10/5![United Airlines logo]()
$402
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.
Wed 10/2810:45 am -
2 stops13h 34m
Wed 11/46:00 am -
2 stops13h 32m
Deal found 10/5![United Airlines logo]()
$407
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.
Tue 11/245:35 pm -
2 stops11h 10m
Mon 11/3012:15 am -
2 stops9h 05m
Deal found 10/5![Southwest logo]()
$463
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.
Tue 10/202:38 pm -
2 stops12h 12m
Sat 10/247:20 pm -
2 stops12h 34m
Deal found 10/5![Delta logo]()
$575
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.
Thu 10/297:15 am -
2 stops9h 15m
Mon 11/28:30 am -
2 stops9h 00m
Deal found 10/3![Southwest logo]()
$508
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:45 pm -
1 stop10h 06m
Wed 11/45:05 am -
1 stop6h 56m
Deal found 10/4![United Airlines logo]()
$469
This Alaska Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:00 pm -
2 stops10h 35m
Tue 10/207:18 pm -
2 stops12h 47m
Deal found 10/1![Alaska Airlines logo]()
$1,267
This American Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:00 am -
2 stops12h 00m
Thu 11/55:06 pm -
2 stops12h 42m
Deal found 10/1![American Airlines logo]()
$687
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3110:51 am -
2 stops10h 08m
Sat 11/710:56 pm -
1 stop7h 57m
Deal found 10/4![United Airlines logo]()
$474
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.
Tue 12/297:15 pm -
2 stops9h 00m
Wed 1/67:00 am -
1 stop5h 45m
Deal found 10/3![Southwest logo]()
$523
This United Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:00 am -
1 stop9h 25m
Sat 10/315:00 am -
1 stop8h 04m
Deal found 10/1![United Airlines logo]()
$483
This United Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:15 am -
1 stop10h 38m
Sat 10/2412:43 pm -
1 stop6h 31m
Deal found 10/1![United Airlines logo]()
$485
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:40 am -
2 stops12h 10m
Sun 10/115:19 pm -
2 stops13h 15m
Deal found 10/2![Delta logo]()
$883
This United Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:45 am -
2 stops9h 21m
Sat 11/145:10 am -
1 stop7h 54m
Deal found 10/1![United Airlines logo]()
$504
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.
Sun 1/35:57 pm -
1 stop7h 31m
Sun 1/175:00 am -
1 stop6h 55m
Deal found 10/5![United Airlines logo]()
$545
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 10/209:00 am -
1 stop6h 36m
Sat 10/245:00 am -
2 stops13h 55m
Deal found 10/5![United Airlines logo]()
$570
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:30 am -
2 stops15h 10m
Sat 10/245:05 am -
2 stops13h 50m
Deal found 9/30![United Airlines logo]()
$624
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:43 am -
2 stops13h 15m
Thu 11/55:10 am -
1 stop7h 54m
Deal found 9/30![United Airlines logo]()
$804
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 10/309:45 am -
2 stops14h 13m
Fri 11/612:55 pm -
1 stop6h 37m
Deal found 10/2![United Airlines logo]()
$822
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.
Mon 10/265:05 pm -
1 stop6h 53m
Thu 10/295:10 am -
1 stop7h 54m
Deal found 10/2![United Airlines logo]()
$908
Last-minute flights from Knoxville to WashingtonDiscover last-minute flight deals from Knoxville to Washington. Data last updated October 5, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Washington. Data last updated October 5, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:49 pm -
1 stop9h 21m
Mon 10/266:12 am -
1 stop9h 08m
Deal found 10/1![American Airlines logo]()
$377
This American Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:55 pm -
1 stop8h 41m
Tue 11/35:10 am -
1 stop8h 32m
Deal found 10/1![American Airlines logo]()
$363
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 10/2711:59 am -
1 stop10h 18m
Sat 10/318:09 am -
1 stop8h 27m
Deal found 10/5![United Airlines logo]()
$397
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 10/287:30 am -
1 stop9h 47m
Wed 11/46:14 am -
1 stop7h 15m
Deal found 10/5![American Airlines logo]()
$267
This United Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:43 am -
1 stop7h 49m
Tue 11/310:56 pm -
2 stops9h 34m
Deal found 10/1![United Airlines logo]()
$368
This United Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:00 am -
1 stop9h 25m
Fri 11/610:56 pm -
1 stop8h 11m
Deal found 10/1![United Airlines logo]()
$391
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.
Mon 11/22:38 pm -
2 stops9h 44m
Mon 11/910:55 pm -
1 stop8h 00m
Deal found 10/5![Delta 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.
Wed 11/44:15 pm -
1 stop8h 40m
Mon 11/94:05 pm -
2 stops17h 15m
Deal found 10/5![Southwest logo]()
$306
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 11/45:15 pm -
2 stops9h 20m
Wed 11/116:10 am -
1 stop6h 20m
Deal found 10/5![Southwest logo]()
$344
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.
Sat 11/147:10 am -
1 stop10h 40m
Sun 11/2211:15 pm -
1 stop8h 05m
Deal found 10/4![Delta logo]()
$401
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 11/167:05 am -
2 stops15h 00m
Wed 11/185:40 am -
2 stops11h 10m
Deal found 10/4![Southwest logo]()
$403
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.
Tue 11/245:30 am -
1 stop9h 02m
Tue 12/110:27 am -
1 stop10h 05m
Deal found 10/5![American Airlines logo]()
$349
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 October 5, 2026.
Search for one-way flight options from Knoxville to Washington. Find affordable one-way fares based on user searches. Data last updated October 5, 2026.
This Delta deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/157:59 am -
1 stop7h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Delta logo]()
$182
This United Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1510:57 am -
2 stops10h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![United Airlines logo]()
$187
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:42 pm -
2 stops47h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Multiple Airlines logo]()
$196
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.
Thu 12/242:40 pm -
2 stops10h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Southwest logo]()
$199
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:30 am -
1 stop10h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![American Airlines logo]()
$206
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/310:33 am -
2 stops13h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![United Airlines logo]()
$211
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:23 pm -
1 stop8h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Delta logo]()
$215
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.
Wed 10/284:20 pm -
2 stops10h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Southwest logo]()
$220
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:30 am -
2 stops39h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Multiple Airlines logo]()
$222
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:30 am -
2 stops40h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Multiple Airlines logo]()
$232
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/244:55 pm -
1 stop6h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![United Airlines logo]()
$234
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:50 am -
1 stop9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![American Airlines logo]()
$234
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 October 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $267 (American Airlines) |
One-way from | $182 (Delta) |
Popular in | December |
Cheapest in | November |
Average price | $544 |
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 7,457,451 searches. Data last updated October 5, 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
KnoxvilleSeattle
TYS Knoxville McGhee Tyson - SEA Seattle/Tacoma Intl
TYSSEA
Knoxville McGhee Tyson
Mon 11/2
9:42 pm-6:33 pm
2 stops47h 51m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$196
KnoxvilleSpokane
TYS Knoxville McGhee Tyson - GEG Spokane
TYSGEG
Knoxville McGhee Tyson
Thu 12/24
2:40 pm-9:50 pm
2 stops10h 10m
Spokane
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$199
KnoxvilleSeattle
TYS Knoxville McGhee Tyson - SEA Seattle/Tacoma Intl
TYSSEA
Knoxville McGhee Tyson
Tue 11/3
10:33 am-8:56 pm
2 stops13h 23m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$211
KnoxvilleSeattle
TYS Knoxville McGhee Tyson - SEA Seattle/Tacoma Intl
TYSSEA
Knoxville McGhee Tyson
Tue 12/8
2:40 pm-10:30 pm
2 stops10h 50m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$211
KnoxvilleSeattle
TYS Knoxville McGhee Tyson - SEA Seattle/Tacoma Intl
TYSSEA
Knoxville McGhee Tyson
Wed 10/28
6:23 pm-11:52 pm
1 stop8h 29m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$215
KnoxvilleSeattle
TYS Knoxville McGhee Tyson - SEA Seattle/Tacoma Intl
TYSSEA
Knoxville McGhee Tyson
Sat 10/31
5:40 am-10:03 am
1 stop7h 23m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$215
KnoxvilleSeattle
TYS Knoxville McGhee Tyson - SEA Seattle/Tacoma Intl
TYSSEA
Knoxville McGhee Tyson
Sun 11/1
9:29 pm-9:45 am
1 stop15h 16m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$220
KnoxvilleSeattle
TYS Knoxville McGhee Tyson - SEA Seattle/Tacoma Intl
TYSSEA
Knoxville McGhee Tyson
Wed 10/28
4:20 pm-11:55 pm
2 stops10h 35m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$220
KnoxvilleSeattle
TYS Knoxville McGhee Tyson - SEA Seattle/Tacoma Intl
TYSSEA
Knoxville McGhee Tyson
Thu 11/12
6:30 am-8:08 pm
2 stops40h 38m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$232
KnoxvilleSpokane
TYS Knoxville McGhee Tyson - GEG Spokane
TYSGEG
Knoxville McGhee Tyson
Thu 12/24
4:55 pm-8:51 pm
1 stop6h 56m
Spokane
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$234
Showing 1-10 of 52 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-GEG
TYS-PSC
TYS-BLI
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-GEG
TYS-PSC
TYS-BLI
What is the cheapest month to book a flight from Knoxville to State of Washington?
Currently, November is the cheapest month in which you can book a flight from Knoxville to State of Washington (average of $453). Flying from Knoxville to State of Washington in December is currently the most expensive (average of $695). 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?
Airfare is below average for this route at the moment.
Knoxville to State of Washington flights typically cost between $427 and $597 in October.The cheapest round-trip price found within the last 5 days was $267 on American Airlines (Oct 28-Nov 4).
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 66 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 October 5, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Southwest, andDelta 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.
Comfort
7.8
Food
7.0
Overall
7.9
Crew
8.5
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Comfort
7.8
Food
7.0
Overall
7.9
Crew
8.5
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Comfort
7.8
Food
7.0
Overall
7.9
Crew
8.5
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Comfort
7.8
Food
7.0
Overall
7.9
Crew
8.5
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Comfort
7.8
Food
7.0
Overall
7.9
Crew
8.5
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Comfort
7.8
Food
7.0
Overall
7.9
Crew
8.5
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Related info for your journey
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Knoxville and Washington flights
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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 7,457,451 searches. Data last updated October 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$314 | Average$606 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$354 | Average$561 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$384 | Average$542 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$386 | Average$582 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$603 | Average$848 | FlexibilityNo cancel fee | On-time75% |