Washington Reagan (DCA) or Washington Dulles (IAD)?
You can fly nonstop from Knoxville to both. Pick the one closest to where you're going.
DCA: pick it if you're visiting the monuments, museums or anywhere in the city itself. IAD: pick it if you're staying in Northern Virginia, near Dulles or Leesburg, or the fare is much better.
Washington Reagan National (DCA)
Right across the river from downtown Washington, with a Metro train stop at the airport.
- Airline
- American
- Status
- Days
- Every day
- Flight time
- About 1 hr 45 min
- Next flight
- Thursday, October 29, 7:17 am
- Cheapest fare seen
- $93 one way
Pick DCA if you're visiting the monuments, museums or anywhere in the city itself.
Check prices on Google FlightsWashington Dulles (IAD)
A large airport out in Northern Virginia, farther from the city. The Metro Silver Line also reaches it, but the ride is long.
- Airline
- Allegiant and United
- Status
- Days
- Every day
- Flight time
- About 1 hr 45 min
- Next flight
- Thursday, October 29, 5:45 am
- Cheapest fare seen
- $38 one way
Pick IAD if you're staying in Northern Virginia, near Dulles or Leesburg, or the fare is much better.
Check prices on Google FlightsSee the full Knoxville to Washington, DC schedule
Common questions
Can I fly nonstop from Knoxville to both Washington, DC airports?
Yes. American flies nonstop to Washington Reagan National (DCA). Allegiant and United fly nonstop to Washington Dulles (IAD).
When should I fly into Washington Reagan National (DCA)?
Pick DCA if you're visiting the monuments, museums or anywhere in the city itself.
When should I fly into Washington Dulles (IAD)?
Pick IAD if you're staying in Northern Virginia, near Dulles or Leesburg, or the fare is much better.
Flight days and times last checked Wednesday, October 28, 2026 using Google Flights. We check every week. The list of nonstop destinations comes from McGhee Tyson Airport's official nonstop list (checked October 26, 2026).Schedules can change, so always confirm your exact flight with the airline. How we check flights.