Washington, D.C. to Knoxville Flights on Allegiant from $38*
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Flights from Washington, D.C. to Knoxville
$
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.
Deals from Washington, D.C. to Knoxville
$
From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Washington, D.C. (IAD) | Knoxville (TYS) | One-way / Economy | Departing: July 27 2026 | From $38 Seen: 1 day ago |
| Washington, D.C. (IAD) | Knoxville (TYS) | One-way / Economy | Departing: July 24 2026 | From $38 Seen: 20 hrs ago |
| Washington, D.C. (IAD) | Knoxville (TYS) | One-way / Economy | Departing: July 20 2026 | From $38 Seen: 9 hrs ago |
| Washington, D.C. (IAD) | Knoxville (TYS) | One-way / Economy | Departing: July 13 2026 | From $38 Seen: 19 hrs ago |
| Washington, D.C. (IAD) | Knoxville (TYS) | One-way / Economy | Departing: July 17 2026 | From $38 Seen: 9 hrs ago |
| Washington, D.C. (IAD) | Knoxville (TYS) | One-way / Economy | Departing: June 29 2026 | From $42 Seen: 13 hrs ago |
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.
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