- Cheapest roundtrip flight
- from€317
- Fastest flight
- non-stop flights
- 7x / week
- Flight distance
- 675 km
- Time difference
- none
- Most popular airlines
- United Airlines
- Allegiant Air
- United Airlines
Flight schedule from Knoxville (TYS) to Washington DC (IAD)
Select a travel date in the flight schedule for the route from Knoxville (TYS) to Washington DC (IAD) and compare affordable flight deals.
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Matching outbound flightsTYS–IAD · 6 of 6
fromto
dep.arr.
durationstopovers
- October 4 – 10, 2026
- October 11 – 17, 2026
- October 18 – 24, 2026
- TYSIADnonstop
- TYSIADnonstop
- TYSIADnonstop
- TYSIADnonstop
- TYSIADnonstop
- TYSIADnonstop
Important flight information
Frequently Asked Questions (FAQ)
How long is the flight from Knoxville to Washington DC?
A nonstop flight from Knoxville to Washington DC typically takes around 1 hour 42 minutes. If you choose a connecting flight, allow more travel time. Typical one-stop itineraries take around 9 hours 38 minutes. For the quickest trip, a nonstop flight is usually the most comfortable choice.
Are there nonstop flights from Knoxville to Washington DC?
Yes, there are nonstop flights from Knoxville to Washington DC, although not necessarily every day. On average, around 7 flights per week are available. If you have flexibility with your travel dates, you will have an easier time finding a suitable nonstop connection.
Which airlines fly from Knoxville to Washington DC?
Direct flights from Knoxville to Washington DC are operated by, among others, United Airlines and Allegiant Air. Connecting flights with one stop are also available, for example with Allegiant Air (via Sarasota-Bradenton). If travel time matters to you, a direct flight is usually the most convenient option. Connecting flights often give you more choice of departure times and airlines.
On which days are there nonstop flights from Knoxville to Washington DC?
Nonstop flights from Knoxville to Washington DC operate daily. The schedule may vary by season, so it is worth comparing several travel dates. If your preferred day does not have a nonstop flight, nearby departure days or short connecting flights may be a good alternative.
How many flights are there per day from Knoxville to Washington DC?
On the route from Knoxville to Washington DC, there are on average around 1 flight per day. The number of flights can vary by day of the week and season. If you are flexible with your dates, it is worth comparing several departure days.
How many flights per week are there from Knoxville to Washington DC?
On the route from Knoxville to Washington DC, there are around 7 flights per week. The number of flights can vary depending on the season and day of the week. If you have flexibility, it is worth looking at several departure days.
When does the first flight from Knoxville to Washington DC depart?
The earliest nonstop flight from Knoxville to Washington DC usually departs at 5:45 AM. The exact departure time may vary by day of the week and airline. Early flights are especially useful if you want to make the most of your arrival day in Washington DC.
When does the last flight from Knoxville to Washington DC depart?
The last nonstop flight from Knoxville to Washington DC usually departs at 7:20 PM. Late flights can be convenient if you want to travel after work or in the evening. Do check whether it is a nonstop flight, as a connecting itinerary could push the arrival time significantly later.