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Cheap Flights from Washington Ronald Reagan to Knoxville

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      Travellers and cabin class, 1 Adult, Economy
      American Airlines
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      Compare Washington Ronald Reagan to Knoxville flight deals

      Find the cheapest month or even day of the year to fly to Knoxville

      Book the best Knoxville fare with no extra fees

      Flight deals from Washington Ronald Reagan to Knoxville

      Looking for a cheap last-minute deal or the best return flight from Washington Ronald Reagan Airport to Knoxville Airport? If you want to travel next month, return fares start from R 3,480. Find the lowest prices on one-way and return tickets right here.
      Knoxville.R 1,695 per passenger.Departing Wed, 30 Sep.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Washington Ronald Reagan on Wed, 30 Sep, arriving in Knoxville.Price includes taxes and charges.From R 1,695, select.
      Knoxville.R 1,699 per passenger.Departing Sat, 7 Nov.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Washington Ronald Reagan on Sat, 7 Nov, arriving in Knoxville.Price includes taxes and charges.From R 1,699, select.
      Knoxville.R 1,781 per passenger.Departing Sat, 24 Oct.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Washington Ronald Reagan on Sat, 24 Oct, arriving in Knoxville.Price includes taxes and charges.From R 1,781, select.
      Knoxville.R 2,588 per passenger.Departing Mon, 8 Feb.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Washington Ronald Reagan on Mon, 8 Feb, arriving in Knoxville.Price includes taxes and charges.From R 2,588, select.
      Knoxville.R 2,926 per passenger.Departing Mon, 12 Oct.One-way flight with American Airlines.Outbound direct flight with American Airlines departs from Washington Ronald Reagan on Mon, 12 Oct, arriving in Knoxville.Price includes taxes and charges.From R 2,926, select.
      Knoxville.R 2,942 per passenger.Departing Mon, 31 Aug.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Washington Ronald Reagan on Mon, 31 Aug, arriving in Knoxville.Price includes taxes and charges.From R 2,942, select.
      Knoxville.R 3,111 per passenger.Departing Mon, 18 Jan.One-way flight with Delta.Outbound indirect flight with Delta, departs from Washington Ronald Reagan on Mon, 18 Jan, arriving in Knoxville.Price includes taxes and charges.From R 3,111, select.
      Knoxville.R 3,508 per passenger.Departing Tue, 15 Dec.One-way flight with United.Outbound indirect flight with United, departs from Washington Ronald Reagan on Tue, 15 Dec, arriving in Knoxville.Price includes taxes and charges.From R 3,508, select.
      Knoxville.R 4,153 per passenger.Departing Sun, 4 Jul.One-way flight with Delta.Outbound indirect flight with Delta, departs from Washington Ronald Reagan on Sun, 4 Jul, arriving in Knoxville.Price includes taxes and charges.From R 4,153, select.

      Find the cheapest month to fly from Washington Ronald Reagan to Knoxville

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Ronald Reagan to Knoxville flights are currently cheapest in September.
      Aug
      from R 2,942
      Sep
      from R 1,695
      Oct
      from R 1,781
      Nov
      from R 1,699
      Dec
      from R 3,508
      Jan
      from R 3,111
      Feb
      from R 2,588
      Mar
      Find prices
      Apr
      Find prices
      May
      Find prices
      Jun
      Find prices
      Jul
      from R 4,153

      Direct flights from Washington Ronald Reagan to Knoxville

      Alaska Airlines
      American Airlines
      Delta

      Washington Ronald Reagan to Knoxville: Alternative routes

      Compare routes from Washington Ronald Reagan to Knoxville below. You may find an airport to fly into that's cheaper, faster, or easier than Knoxville.

      Knoxville

      18km from central Knoxville
      ClosestCheapest
      from R 1,695
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      Washington D.C. to Knoxville: Flight information

      The things to know before you go.
      Cheapest flight foundR 1,695
      Cheapest month to flySeptember
      Average flight time1 hr, 52 mins
      Most popular airlineAmerican Airlines
      Average flights per week33

      Finding cheap flights from Washington Ronald Reagan to Knoxville: Frequently asked questions

      The best price we found for a return flight from Washington Ronald Reagan to Knoxville is R 3,248. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      1 hour and 52 minutes is the average flight time from Washington Ronald Reagan to Knoxville.
      American Airlines, Alaska Airlines and Delta fly direct from Washington Ronald Reagan to Knoxville.
      As of August 2026, there are 33 flights per week flying from Washington Ronald Reagan to Knoxville.
      The cheapest month to fly from Washington Ronald Reagan to Knoxville is usually January.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Ronald Reagan Airport to Knoxville Airport on Saturday, 9 January 2027.
      Yes – the average flight time is 1 hour and 52 minutes.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Knoxville but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Knoxville is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, United and American Airlines offer the cheapest flight tickets to Knoxville.

      Travelling from Washington Ronald Reagan Airport (DCA) to Knoxville Airport (TYS): what you need to know

      • Book a direct flight from Washington Ronald Reagan Airport to Knoxville Airport and you'll be in the air for an average of 1 hour 50 minutes.

      • Every week, there are 20 Washington Ronald Reagan Airport to Knoxville Airport flights. If you prefer to be on board early, select the 07:30 American Airlines flight. If you'd rather make the most of your time before you fly, the latest flight is at 20:10 with American Airlines.

      • Leave plenty of time to catch your DCA to TYS flight. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.

      • You can expect bigger queues in popular months such as August. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a smart move.

      • American Airlines offers direct flights from Washington Ronald Reagan Airport to Knoxville Airport. Book with this popular airline, then get ready to see the sights in Knoxville — and maybe even more of the United States if you have time.

      • The airline with the highest passenger demand on this route is American Airlines.

      • The most punctual carrier that offers DCA to TYS flights is American Airlines. Its services arrive without delay 65.49% of the time.

      • Consider adding a stopover when booking your ticket from Washington Ronald Reagan Airport to Knoxville Airport. Just uncheck 'Direct flights only' to break up your trip, or enjoy a detour to a new and interesting place. Check out these options between DCA and TYS:

        • Atlanta Hartsfield-Jackson Airport

        • Charlotte Douglas Airport

        • Philadelphia International Airport

      How to find the cheapest flights from Washington Ronald Reagan Airport (DCA) to Knoxville Airport (TYS)

      • Right now, R 1,695 is the lowest price we've seen for a one-way Washington Ronald Reagan Airport to Knoxville Airport flight. The best price for a return ticket is R 3,248. Remember that fares could change due to demand when booking.

      • To get cheap tickets from DCA to TYS, book your trip four months before your departure.

      • The cheapest month for flights from Washington Ronald Reagan Airport to Knoxville Airport is September. Use the 'Whole month' tool to find the lowest prices if you have flexible dates.

      • You don't need to check back in every day to see if fares have dropped when you create a Price Alert. We'll send you an update the moment a special offer becomes available on cheap flights from DCA to TYS.

      • Lock in the ideal flight for you with the help of the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Washington Ronald Reagan Airport to Knoxville Airport, use the 'Sort by' tool. You can also filter by airline, arrival and departure times, and journey duration.

      Handy information about Washington Ronald Reagan Airport (DCA)

      • You'll find DCA at 1 Aviation Circle.

      • Of all flights leaving Washington Ronald Reagan Airport, 71% touch down on time at their destination.

      • Central Washington DC to Washington Ronald Reagan Airport is approximately 6 kilometres. Depending on traffic, it'll take about 10 minutes to get there if you're driving, catching a taxi or ride-sharing.

      • Expect a journey time of about 25 minutes on public transport.

      • Get your break off to a relaxed start by staying near DCA. Whether you're catching an early flight from Washington Ronald Reagan Airport to Knoxville Airport or want to avoid feeling rushed, these stays are the answer:

      Arriving at Knoxville Airport (TYS)

      • If you're getting in on a late Washington Ronald Reagan Airport to Knoxville Airport flight, few things top the convenience of being close to the terminal. Grab your bags from the carousel and then be resting soon after at one of these options near TYS:

      • Grab a Knoxville Airport rental car and discover Knoxville and beyond with your own wheels. Budget, Alamo and Avis are leading providers you can book with here.

      • Lock in the best deal by reserving your ride from Knoxville Airport about three weeks before your travel date.

      Getting from Knoxville Airport (TYS) to central Knoxville

      • The address for TYS is 2055 Alcoa Highway.

      • From Knoxville Airport, Knoxville is approximately 24 kilometres away. It takes around 25 minutes to reach the centre by car.

      • If you're taking public transport, expect a journey time of around 50 minutes.

      When to fly to Knoxville Airport (TYS)

      • The quietest month for a flight from Washington Ronald Reagan Airport to Knoxville Airport is March, while October is the most popular. Choose the ideal time to go to Knoxville based on whether you prefer a faster pace or a more relaxed vibe.

      • Book your flight from Washington Ronald Reagan Airport to Knoxville Airport for July if you want to visit Knoxville during its warmest month. You can expect temperatures of between 17ºC (63ºF) and 32ºC (90ºF).

      • January sees average temperatures of between -6ºC (21ºF) and 11ºC (52ºF). Search for cheap tickets from DCA to TYS around that time if you want to travel in cooler conditions.

      Explore more of the United States

      • You've done Knoxville, now it's time to discover other parts of the United States. Travel about 451 kilometres north to Columbus to tick off its top attractions. From Franklin Park Conservatory and Botanical Gardens to Whetstone Park / Park of Roses and Ohio Theatre, your itinerary will be busy.

      • Around 467 kilometres north-west of Knoxville, Indianapolis is another essential stop in the United States. No visit is complete without checking out Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis.

      Plan the rest of your trip from Washington D.C. to Knoxville

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.