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Cheap Flights from Washington D.C. (WASA) to Knoxville (TYS)

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      Travellers and cabin class, 1 Adult, Economy

      Compare Washington D.C. 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 D.C. to Knoxville

      Looking for a cheap last-minute deal or the best return flight from Washington D.C. to Knoxville Airport? If you want to travel next month, return fares start from $239. Find the lowest prices on one-way and return tickets right here.
      Knoxville.$109 per passenger.Departing Sun, 25 Oct, returning Thu, 29 Oct.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Washington Dulles on Sun, 25 Oct, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Thu, 29 Oct, arriving in Washington Dulles.Price includes taxes and charges.From $109, select.
      Knoxville.$109 per passenger.Departing Sun, 1 Nov, returning Thu, 5 Nov.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Washington Dulles on Sun, 1 Nov, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Thu, 5 Nov, arriving in Washington Dulles.Price includes taxes and charges.From $109, select.
      Knoxville.$109 per passenger.Departing Sun, 25 Oct, returning Thu, 5 Nov.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Washington Dulles on Sun, 25 Oct, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Thu, 5 Nov, arriving in Washington Dulles.Price includes taxes and charges.From $109, select.
      Knoxville.$115 per passenger.Departing Mon, 27 Jul, returning Mon, 3 Aug.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Washington Dulles on Mon, 27 Jul, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Mon, 3 Aug, arriving in Washington Dulles.Price includes taxes and charges.From $115, select.
      Knoxville.$115 per passenger.Departing Mon, 27 Jul, returning Fri, 31 Jul.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Washington Dulles on Mon, 27 Jul, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Fri, 31 Jul, arriving in Washington Dulles.Price includes taxes and charges.From $115, select.
      Knoxville.$231 per passenger.Departing Sat, 26 Sep, returning Wed, 30 Sep.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Baltimore Washington International on Sat, 26 Sep, arriving in Knoxville.Inbound direct flight with Southwest Airlines departs from Knoxville on Wed, 30 Sep, arriving in Baltimore Washington International.Price includes taxes and charges.From $231, select.
      Knoxville.$240 per passenger.Departing Sat, 29 Aug, returning Mon, 31 Aug.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Baltimore Washington International on Sat, 29 Aug, arriving in Knoxville.Inbound direct flight with Southwest Airlines departs from Knoxville on Mon, 31 Aug, arriving in Baltimore Washington International.Price includes taxes and charges.From $240, select.
      Knoxville.$275 per passenger.Departing Tue, 4 Aug, returning Fri, 4 Sep.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Baltimore Washington International on Tue, 4 Aug, arriving in Knoxville.Inbound indirect flight with Southwest Airlines, departs from Knoxville on Fri, 4 Sep, arriving in Baltimore Washington International.Price includes taxes and charges.From $275, select.
      Knoxville.$340 per passenger.Departing Thu, 31 Dec, returning Thu, 14 Jan.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Thu, 31 Dec, arriving in Knoxville.Inbound direct flight with United departs from Knoxville on Thu, 14 Jan, arriving in Washington Dulles.Price includes taxes and charges.From $340, select.
      Knoxville.$356 per passenger.Departing Mon, 25 Jan, returning Mon, 22 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Washington Ronald Reagan on Mon, 25 Jan, arriving in Knoxville.Inbound indirect flight with Delta, departs from Knoxville on Mon, 22 Feb, arriving in Baltimore Washington International.Price includes taxes and charges.From $356, select.
      Knoxville.$367 per passenger.Departing Tue, 25 Aug, returning Tue, 1 Sep.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Tue, 25 Aug, arriving in Knoxville.Inbound direct flight with United departs from Knoxville on Tue, 1 Sep, arriving in Washington Dulles.Price includes taxes and charges.From $367, select.
      Knoxville.$386 per passenger.Departing Thu, 13 May, returning Sun, 16 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Washington Dulles on Thu, 13 May, arriving in Knoxville.Inbound indirect flight with Delta, departs from Knoxville on Sun, 16 May, arriving in Baltimore Washington International.Price includes taxes and charges.From $386, select.
      Knoxville.$485 per passenger.Departing Thu, 24 Dec, returning Sun, 27 Dec.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Thu, 24 Dec, arriving in Knoxville.Inbound direct flight with United departs from Knoxville on Sun, 27 Dec, arriving in Washington Dulles.Price includes taxes and charges.From $485, select.

      Find the cheapest month to fly from Washington D.C. to Knoxville

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington D.C. to Knoxville flights are currently cheapest in October.
      Jul
      from $115
      Aug
      from $239
      Sep
      from $231
      Oct
      from $109
      Nov
      from $109
      Dec
      from $484
      Jan
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      Feb
      Find prices
      Mar
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      Apr
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      May
      from $385
      Jun
      Find prices

      Direct flights from Washington D.C. to Knoxville

      Washington D.C. to Knoxville: Alternative routes

      Compare routes from Washington D.C. 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 $109
      Search flights

      Washington D.C. to Knoxville: Flight information

      The things to know before you go.
      Cheapest flight found$109
      Cheapest month to flyOctober
      Average flight time1 hr, 44 mins
      Most popular airlineAmerican Airlines
      Average flights per week205

      Finding cheap flights from Washington D.C. to Knoxville: Frequently asked questions

      The best price we found for a return flight from Washington D.C. to Knoxville is $109. 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 43 minutes is the average flight time from Washington D.C. to Knoxville.
      American Airlines, PSA Airlines and United fly direct from Washington D.C. to Knoxville.
      As of July 2026, there are 205 flights per week flying from Washington D.C. to Knoxville.
      The cheapest month to fly from Washington D.C. to Knoxville is usually October.
      After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to Knoxville Airport on Sunday, 25 October 2026.
      Yes – the average flight time is 1 hour and 43 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.

      The cheapest airline that flies to Knoxville is Allegiant Air .

      Flying from Washington DC to Knoxville McGhee Tyson Airport (TYS): What you need to know

      • Your trip gets off the ground at one of Washington DC's main airports, Ronald Reagan Washington National Airport (DCA) or Washington Dulles International Airport (IAD). Explore the options for booking a flight from Washington DC to Knoxville McGhee Tyson Airport (TYS) taking off from either of these bases.

      • 1 hour 50 minutes is the average duration of a direct Washington DC to Knoxville McGhee Tyson Airport flight.

      • Knoxville McGhee Tyson Airport is located in Knoxville. The city's timezone is UTC-5 — the same as Washington DC.

      • Ronald Reagan Washington National Airport (DCA) to Knoxville McGhee Tyson Airport (TYS) is the most popular route. There are 20 direct departures a week to choose from. If you have plans before you fly, take the last flight with American Airlines at 8:10pm. Choose the first DCA to TYS departure operated by American Airlines at 7:30am if getting there sooner works for you.

      • Get to the airport on time so you don't miss your flight from Washington DC to TYS. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.

      • Popular months like July or holiday times such as Thanksgiving and Christmas/New Year will mean longer queues at check-in and security. If you're travelling then, play it safe and head to the airport even earlier. Arriving two hours before a domestic flight and up four hours ahead of international flights is a smart move.

      Airports in Washington DC

      Ronald Reagan Washington National Airport (DCA)

      • Ronald Reagan Washington National Airport (DCA) is a convenient option for travelling directly to your destination. Nonstop flights from Washington DC to Knoxville McGhee Tyson Airport (TYS) operate out of this terminal.

      • When taking off from DCA, you can take a direct flight from Washington DC to Knoxville McGhee Tyson Airport with American Airlines.

      • The most frequently booked airline between DCA and TYS is American Airlines.

      • The top on-time carrier on this route is American Airlines. Its services arrive as planned 65.49% of the time.

      • DCA is about 6 kilometres from central Washington DC. If you're ride-sharing, driving or catching a taxi from the centre, it'll take you 10 minutes or so to get there, depending on traffic. If you're taking public transport, expect the trip time to be around 25 minutes.

      • Planning to catch an early flight from Washington DC to Knoxville McGhee Tyson Airport? Avoid the stress of rushing to the terminal (and catch some extra z's) by choosing one of these hotels near Ronald Reagan Washington National Airport:

      • Of the departures from Ronald Reagan Washington National Airport, 71% land on time at their destination.

      • DCA's address is 1 Aviation Circle.

      Washington Dulles International Airport (IAD)

      • You can book a direct Washington DC to Knoxville McGhee Tyson Airport (TYS) plane ticket out of Washington Dulles International Airport (IAD). Figure out if flying from IAD works better for your plans.

      • Board your direct flight from Washington DC to TYS with United Airlines. This is one of the top carriers that operates this route out of IAD.

      • United attracts the most bookings on the IAD to TYS route.

      • United is the most punctual carrier flying between Washington Dulles International Airport and Knoxville McGhee Tyson Airport, with 73.76% of its services landing on time.

      • You can reach IAD from central Washington DC in about 45 minutes by car, depending on traffic conditions. The ride on public transport will take roughly 1 hour 10 minutes to cover the 40 kilometres or so.

      • Start your holiday sooner with an additional night away from home. Before your Washington DC to TYS flight, unwind in one of these hotels close to Washington Dulles International Airport:

      • 77% of flights out of Washington Dulles International Airport arrive according to schedule.

      • The address for IAD is 1 Saarinen Circle.

      Baltimore Washington International Airport (BWI)

      • Begin your trip at Baltimore Washington International Airport (BWI) and head straight to your destination without stopping. You can book direct flights from Washington DC to Knoxville McGhee Tyson Airport from here.

      • You can fly out of BWI with Southwest Airlines. This trusted airline offers direct Washington DC to TYS plane tickets.

      • The top choice among passengers flying between BWI and TYS is Southwest Airlines.

      • The trip to BWI from central Washington DC is around 50 minutes by public transport. If you prefer to travel by car, it'll take you about 40 minutes to cover the 48 kilometres or so.

      • Make catching an early Washington DC to Knoxville McGhee Tyson Airport flight the easiest part of your trip. Book a room at one of these hotels near Baltimore Washington International Airport and get to your check-in counter with time to spare:

      • The on-time performance rating of BWI is 77%. In other words, that's how often flights that depart this airport arrive as planned.

      About Knoxville McGhee Tyson Airport (TYS)

      • Consider staying in a hotel close to TYS if you're catching a late flight from Washington DC to Knoxville McGhee Tyson Airport. Choose one of these accommodation options and be in bed in no time flat:

      • Booking your vehicle around three weeks in advance of your Washington DC to Knoxville McGhee Tyson Airport flight can help you get the lowest rate.

      • TYS is located at 2055 Alcoa Highway.

      Getting from Knoxville McGhee Tyson Airport (TYS) to central Knoxville

      • Central Knoxville is around 24 kilometres from Knoxville McGhee Tyson Airport and takes about 25 minutes to reach by car. Explore your options for getting into the city, whether that's with a taxi, car hire or ride-share.

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

      How to find the cheapest flights from Washington DC to Knoxville McGhee Tyson Airport (TYS)

      • $55 is the best price for a one-way ticket from Washington DC to Knoxville McGhee Tyson Airport. Return flights start from $109. These prices can change based on demand and availability.

      • To pick up cheap flights from Washington DC to TYS, book in advance. Airlines usually offer lower prices when tickets first go on sale.

      • Affordable Washington DC to Knoxville McGhee Tyson Airport tickets are easier to find if you're not locked into specific dates. Use the 'Whole month' search function to compare fares across every month and then fly out on the cheapest day.

      • Be the first to know about deals for plane tickets from Washington DC to TYS by creating a Price Alert. We'll send you an email or notification through the app when a lower fare becomes available.

      • Find an affordable flight from Washington DC to Knoxville McGhee Tyson Airport by using filters. Choose your ideal departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

      The best time to fly from Washington DC to Knoxville McGhee Tyson Airport (TYS)

      • June is when most people book flights from Washington DC to Knoxville McGhee Tyson Airport (TYS). Plan your visit to Knoxville in January for a quieter experience.

      • The warmest month in Knoxville is July, with temperatures ranging between 17ºC (63ºF) and 32ºC (90ºF). Book your Washington DC to TYS plane ticket then if that's your idea of comfortable weather.

      • January has temperatures of between -6ºC (21ºF) and 11ºC (52ºF). Look for cheap tickets from Washington DC to Knoxville McGhee Tyson Airport around that time if you like travelling in cooler conditions.

      More about Knoxville

      • Start your Knoxville trip off on the right foot by choosing the perfect place to stay. Once you've booked your flight from Washington DC to Knoxville McGhee Tyson Airport, explore our range of hotels including:

      • There are so many things to discover in this city, it can be tricky to work out where to begin. Ijams Nature Centre, McClung Museum of Natural History and Culture and World's Fair Park are major attractions which should feature on any well-planned Knoxville itinerary.

      Explore more of the United States

      • You've visited Knoxville, now it's time to discover more of the United States. Journey around 290 kilometres east to Charlotte to check off its must-visit sights. From Bechtler Museum of Modern Art to Discovery Place and NASCAR Hall of Fame, there's plenty to keep you on the go.

      • Around 257 kilometres west of Knoxville, Nashville is another essential stop in the United States. Experience this destination's highlights firsthand at Grand Ole Opry, Country Music Hall of Fame and Museum and The Johnny Cash Museum.

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