Cheap Flights from Knoxville to Washington, D.C.
No deal from Knoxville to Washington, D.C. has cleared our price bar yet. What we have seen on the route is below.
Across 2 months of observations from Knoxville to Washington, D.C., the lowest round-trip fare we recorded was $76, in October. The typical fare was $129. October was the cheapest month we saw and September the dearest.
The most recent price we saw on this route was $76 on Allegiant, seen Oct 31. It is an unverified observation and may have changed.
See every deal from Knoxville, to Washington, D.C., or the return direction Washington, D.C. to Knoxville.
Latest price we saw: Knoxville to Washington, D.C.
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Knoxville (TYS) to Washington, D.C. (IAD) | $76 | 9.1¢ | Nov 15 – Nov 22 | Allegiant | Oct 31 | Check price |
Price history: Knoxville to Washington, D.C.
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $76 | $79 | 37 |
| Sep 2026 | $180 | $180 | 58 |
Frequently asked questions
How many flight deals from Knoxville to Washington, D.C. are on Sparkflights right now?
There are 0 verified deals from Knoxville to Washington, D.C. on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Knoxville to Washington, D.C.?
The lowest fare we've recorded from Knoxville to Washington, D.C. is $76, based on 95 price observations over 2 months.
How much does a flight from Knoxville to Washington, D.C. cost?
The typical round-trip fare we observed from Knoxville to Washington, D.C. is $129, against a recorded low of $76. These are observations, not quotes.
When is the cheapest month to fly Knoxville to Washington, D.C.?
October was the cheapest month we observed from Knoxville to Washington, D.C. and September the dearest, over 2 months of data.
What is the current price from Knoxville to Washington, D.C.?
The most recent fare our sweep saw from Knoxville to Washington, D.C. is $76, on Oct 31. It is an unverified observation rather than a verified deal, so check it before booking.