- Recommended
East Tennessee History Center
Engaging museum on regional history with permanent and rotating exhibits covering people, places, and events from East Tennessee's past.
Flights from Washington, DC to Knoxville, TN depart on average 51 times per day, taking around 4h 3m. Cheap flight tickets for this journey start at $111 but you can travel from only $54 by bus.
There are 6 flights per day. The earliest flight runs at 05:00, the last at 22:28. The fastest flight covers the 428 miles (690 km) distance in 1h 26m. August is the cheapest month to fly.
Distance 428 miles (690 km) |
Average flight duration 4h 3m |
Cheapest ticket price $111 |
Flights per day 51 |
Direct flights 6 |
Fastest flight 1h 26m |
First flight 5:00 AM |
Last flight 10:28 PM |
Cheapest Month Aug |
Cheapest Day Sat |
High Season Jul - Sep |
Low Season Jan - Mar |
Busiest Day Thu |
Least Busy Day Thu |
Cheapest price on Sep 21
$463
Average ticket price on Sep 21
$463
Fastest journey on Sep 21
1 h 48 m
Average journey duration on Sep 21
1 h 48 m
Flights on Sep 21
1
Distance
690 km
The best way to find a cheap flight ticket from Washington, DC to Knoxville, TN is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Washington, DC to Knoxville, TN will cost around $463 if you buy it on the day, but the cheapest tickets can be found for only $463.
On Mon, Sep 21, we found 1 flights from Washington, DC to Knoxville, TN, including 1 direct services.
On Mon, Sep 21 the direct flights cover the 690 km distance in an average of 1 h 48 m but if you time it right, some flights will get you there in just 1 h 48 m .
On Mon, Sep 21 the longest flights will take 1 h 48 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.


Omio recommends booking the bus as it is the most popular option from Washington, DC to Knoxville, TN among Omio's users. If you are prioritising price, take the bus, with an average ticket price of $95 For those with little time, consider booking a flight, which has an average total journey time of 6h 3m. Average ticket prices depend on the travel mode: a bus costs an average of $95, while a flight costs an average of $658.
Distance: 428 miles (690 km)
| Flight | Most popular Bus | Driving |
|---|---|---|
$658 Average price | $95 Average price Cheapest | $98 Average price (fuel + tolls) |
6h 3m Average total duration Fastest 4h 3m Onboard + 2h 0m Additional time* | 15h 31m Average total duration 15h 1m Onboard + 30m Additional time* | 7h 9m Average total duration (door-to-door) |
![]() Most popular airline | ![]() Most popular bus company | Your own car or car rental |
Direct Options | Direct Options | Direct Options |
This is compared to other travel options from Washington, DC to Knoxville, TN:
A bus is $563 less than a flight for this route with tickets for a flight from Washington, DC to Knoxville, TN costing on average $658.
Other travel options to Knoxville, TN take longer:
Bus takes on average 15h 1m.
Compare bus and flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
Discover the best of Knoxville, TN — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Knoxville, TN trip today.
Engaging museum on regional history with permanent and rotating exhibits covering people, places, and events from East Tennessee's past.
University museum featuring changing exhibitions of American and international art in a modern gallery setting near campus.
Historic house museum preserving the home of artist Adelia Armstrong Lutz, with decorative arts, local history, and period rooms.
Lively pedestrian-friendly square lined with shops, events, and public seating. It is a central gathering place and a great base for exploring downtown.
Urban park from the 1982 World's Fair with lawns, walking paths, performance spaces, and easy access to the Sunsphere and museums.
Historic warehouse district with brick streets, galleries, murals, and nightlife. It blends railroad-era character with a creative local feel.
Find answers to the most common questions about traveling from Washington, DC to Knoxville, TN by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at Knoxville, TN, this guide helps you travel smarter and with confidence.

Most Washington, DC to Knoxville, TN flights use the Ronald Reagan National Airport to Knoxville airport pair. Use this guide to compare Washington, DC and Knoxville, TN airports on this route, check city-centre transport, alongside checking practicalities like airport facilities and services.
Ronald Reagan National Airport is 4 km from Washington city centre. Public transport options include:
Ronald Reagan National Airport has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Shower, Lounge, Lost and Found Office, and Car Rental.
Food options include: Restaurants are located in all terminals, offering American, Italian, and fast food options; top choices include Legal Sea Foods and Five Guys.
Free Wi-Fi available throughout the airport. ATMs are located throughout the airport, near ticketingas and baggage claim.
Lost and found is available at the station.
Available at Ronald Reagan National Airport: Parking, Taxis, WC.
Available at Ronald Reagan National Airport: Car Rental.
Accessibility facilities are available at Ronald Reagan National Airport: Elevators, ramps, assistance.
Nearby hotels include Hotels within walking distance, including the Crystal Gateway Marriott..
Dulles International Airport is 3 km from Washington city centre. Public transport options include:
Dulles International Airport has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Shower, Lounge, Lost and Found Office, and Car Rental.
Food options include: Restaurants located in all concourses; options include fast food, cafes, and sit-down dining like Five Guys and Chipotle.
Free Wi-Fi available throughout the airport. ATMs are located throughout the airport in all terminals.
Lost and found is available at the station.
Available at Dulles International Airport: Parking, Taxis, WC.
Available at Dulles International Airport: Car Rental.
Accessibility facilities are available at Dulles International Airport: Elevators, ramps, assistance.
Nearby hotels include Hotels nearby include Washington Dulles Airport Marriott within walking distance..
Knoxville is 2 km from Knoxville city centre. Public transport options include:
Knoxville has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Lounge, Lost and Found Office, and Car Rental.
Food options include: Restaurants in Concourse A and B, including Ruby Tuesday and Quiznos
Free Wi-Fi available throughout the airport. ATMs are located near ticketing and baggage claim.
Lost and found is available at the station.
Available at Knoxville: Parking, Taxis, WC.
Available at Knoxville: Car Rental.
Accessibility facilities are available at Knoxville.
Nearby hotels include Hotels within walking distance, including Hilton Knoxville Airport..
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