Knoxville to Washington, D.C. Flights on Allegiant from $40*
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Flights from Knoxville to Washington, D.C.
*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 Knoxville to Washington, D.C.
From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Knoxville (TYS) | Washington, D.C. (IAD) | One-way / Economy | Departing: January 29 2026 | From $40 Seen: 1 day ago |
| Knoxville (TYS) | Washington, D.C. (IAD) | One-way / Economy | Departing: December 24 2025 | From $40 Seen: 13 hrs ago |
| Knoxville (TYS) | Washington, D.C. (IAD) | One-way / Economy | Departing: February 1 2026 | From $40 Seen: 1 day ago |
| Knoxville (TYS) | Washington, D.C. (IAD) | One-way / Economy | Departing: February 5 2026 | From $40 Seen: 20 hrs ago |
| Knoxville (TYS) | Washington, D.C. (IAD) | One-way / Economy | Departing: February 8 2026 | From $40 Seen: 20 hrs ago |
| Knoxville (TYS) | Washington, D.C. (IAD) | One-way / Economy | Departing: January 8 2026 | From $40 Seen: 7 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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