Flights from Knoxville to Seattle from $ 389*
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1 Passenger, Economy
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today
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Featured daily fares for flights from Knoxville (TYS) to Seattle (SEA)
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More United deals on Knoxville (TYS) to Seattle (SEA) flights
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Knoxville (TYS) | Seattle (SEA) | Roundtrip | Economy | 08/05/26 - 08/12/26 | from $ 389 Viewed: 13 hours ago |
| Knoxville (TYS) | Seattle (SEA) | Roundtrip | Economy | 08/22/26 - 08/29/26 | from $ 393 Viewed: 18 hours ago |
| Knoxville (TYS) | Seattle (SEA) | Roundtrip | Economy | 07/28/26 - 08/04/26 | from $ 406 Viewed: 13 hours ago |
| Knoxville (TYS) | Seattle (SEA) | Roundtrip | Economy | 08/04/26 - 08/11/26 | from $ 414 Viewed: 13 hours ago |
| Knoxville (TYS) | Seattle (SEA) | Roundtrip | Economy | 05/29/26 - 06/02/26 | from $ 423 Viewed: 13 hours ago |
| Knoxville (TYS) | Seattle (SEA) | Roundtrip | Economy | 05/29/26 - 06/01/26 | from $ 425 Viewed: 13 hours ago |
| Knoxville (TYS) | Seattle (SEA) | Roundtrip | Economy | 09/06/26 - 09/14/26 | from $ 430 Viewed: 1 day ago |
| Knoxville (TYS) | Seattle (SEA) | Roundtrip | Economy | 06/06/26 - 06/10/26 | from $ 446 Viewed: 13 hours ago |
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.
