Cheap flights from Washington, D.C. to Knoxville

Flights overview

Useful information for finding cheap flights from Washington, D.C. to Knoxville and booking your next trip
Cheapest round-trip flights $80
Allegiant Nonstop 2 hr Fri, Jul 17 — Mon, Jul 20
The cheapest round-trip flight from Washington, D.C. to Knoxville is currently $80
Cheapest one-way flight $40
Allegiant Nonstop 2 hr Fri, May 29
The cheapest one-way flight from Washington, D.C. to Knoxville is currently $40
Cheapest nonstop flights $86
Allegiant Nonstop 2 hr Fri, Jul 10 — Mon, Jul 13
The cheapest nonstop round-trip flight from Washington, D.C. to Knoxville is currently $86
Last-minute weekend getaway $132
Allegiant Nonstop 2 hr Thu, May 7 — Sun, May 10
The cheapest last-minute weekend getaway from Washington, D.C. to Knoxville is currently $132
Cheapest business class flights $466
American Nonstop 2 hr Sat, Jul 11 — Sun, Jul 12
The cheapest business class round-trip flight from Washington, D.C. to Knoxville is currently $466
Fastest flight 1 hr 26 min The fastest nonstop flight from Washington, D.C. to Knoxville takes 1 hr 26 min
Nonstop flights Every day There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Washington, D.C. to Knoxville is typically December. The most expensive month to fly is typically May.
December
Cheapest
Typical prices: $135–290
May
Most expensive
Typical prices: $190–370

Popular airlines from Washington, D.C. to Knoxville

  • American
    Nonstop
    from $257
    Typical price: $185–340
    21 weekly nonstop flights
    DCA - TYS Every day
    1293 weekly connecting flights
    BWI, DCA, IAD - TYS Every day
  • United
    Nonstop
    from $232
    Typical price: $185–390
    21 weekly nonstop flights
    IAD - TYS Every day
    464 weekly connecting flights
    BWI, DCA, IAD - TYS Every day
  • Delta
    from $237
    Typical price: $215–540
    1110 weekly connecting flights
    BWI, DCA, IAD - TYS Every day
  • Southwest
    Nonstop
    from $252
    Typical price: $205–370
    7 weekly nonstop flights
    BWI - TYS Every day
    422 weekly connecting flights
    BWI, DCA, IAD - TYS Every day
  • Allegiant
    Nonstop
    from $80
    Typical price: $80–135
    2 weekly nonstop flights
    IAD - TYS Every Thu, Sun
  • Frontier
    from $250
    Typical price: $230–630
    4 weekly connecting flights
    DCA - TYS Every Thu, Fri

Popular airports near Washington, D.C.

  • Ronald Reagan Washington National Airport (DCA)
    Washington United States 19 min 4 mi
  • Dulles International Airport (IAD)
    Washington United States 54 min 22 mi
  • Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI)
    Baltimore United States 47 min 27 mi
  • Philadelphia International Airport (PHL)
    Philadelphia United States 2 hr 18 min 116 mi

Popular airports near Knoxville

  • McGhee Tyson Airport (TYS)
    Knoxville United States 21 min 11 mi
  • Nashville International Airport (BNA)
    Nashville United States 2 hr 38 min 154 mi
  • Hartsfield-Jackson Atlanta International Airport (ATL)
    Atlanta United States 3 hr 23 min 163 mi
  • Chattanooga Metropolitan Airport (CHA)
    Chattanooga United States 1 hr 39 min 96 mi

Frequently asked questions about flying from Washington, D.C. to Knoxville

The cheapest flights from Washington, D.C. to Knoxville are usually in December. Typical ticket prices in December range from $135 to $290.
The cheapest round-trip flight from Washington, D.C. to Knoxville recently found on Google Flights was with Allegiant from $80. The cheapest one-way flight was with Allegiant from $40.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest American flight from Washington, D.C. to Knoxville is $257, flying from Jul 11 to Jul 13.
  • The cheapest United flight from Washington, D.C. to Knoxville is $232, flying from Jul 24 to Jul 26.
  • The cheapest Delta flight from Washington, D.C. to Knoxville is $237, flying from Jul 23 to Jul 26.
  • The cheapest Southwest flight from Washington, D.C. to Knoxville is $252, flying from Jul 18 to Jul 20.
  • The cheapest Allegiant flight from Washington, D.C. to Knoxville is $80, flying from May 29 to Jun 1.
  • The cheapest Frontier flight from Washington, D.C. to Knoxville is $250, flying from Jul 9 to Jul 13.
The cheapest round-trip flight from Washington, D.C. to Knoxville starts at $80 from Fri, Jul 17 to Mon, Jul 20. The cheapest one-way flight starts at $40 and departs on Fri, May 29.
1 hr 26 min is the shortest flight time from Washington, D.C. to Knoxville.
A common time to visit Knoxville is May–Oct, when the weather is warm and relatively dry. Summers (Jun–Aug) are warm to hot, and winters (Dec–Feb) are cool. Rain is possible year-round. The annual Big Ears Music Festival (Mar) features music, film and visual art. The Rhythm N' Blooms Music Festival sees performances in the city's historic district. The Dogwood Arts Festival (Apr) brings arts and crafts booths, live music and food stalls to Market Square.
It's easy to use Google Flights to find the cheapest days to fly from Washington, D.C. to Knoxville.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from Washington, D.C. to Knoxville really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Washington, D.C. to Knoxville.

In terms of nonstop flights, American is the most popular. American offers 21 nonstop flights and 1,293 connecting flights per week. American flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to McGhee Tyson Airport (TYS) .

Other popular airlines flying from Washington, D.C. to Knoxville are:
  • United offers 21 nonstop flights and 464 connecting flights per week. United flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to McGhee Tyson Airport (TYS) .
  • Delta offers 1,110 connecting flights per week. Delta flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to McGhee Tyson Airport (TYS) .
  • Southwest offers 7 nonstop flights and 422 connecting flights per week. Southwest flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to McGhee Tyson Airport (TYS) .
  • Allegiant offers 2 nonstop flights per week. Allegiant flies from Dulles International Airport (IAD) to McGhee Tyson Airport (TYS) .
  • Frontier offers 4 connecting flights per week. Frontier flies from Ronald Reagan Washington National Airport (DCA) to McGhee Tyson Airport (TYS) .
The number of connecting flights refers to distinct flights with at least one stop between Washington, D.C. and Knoxville.
The cheapest round-trip flight from Washington, D.C. to Knoxville recently found on Google Flights was with Allegiant from $80. The cheapest one-way flight was with Allegiant from $40.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest American flight from Washington, D.C. to Knoxville is $257, flying from Jul 11 to Jul 13.
  • The cheapest United flight from Washington, D.C. to Knoxville is $232, flying from Jul 24 to Jul 26.
  • The cheapest Delta flight from Washington, D.C. to Knoxville is $237, flying from Jul 23 to Jul 26.
  • The cheapest Southwest flight from Washington, D.C. to Knoxville is $252, flying from Jul 18 to Jul 20.
  • The cheapest Allegiant flight from Washington, D.C. to Knoxville is $80, flying from May 29 to Jun 1.
  • The cheapest Frontier flight from Washington, D.C. to Knoxville is $250, flying from Jul 9 to Jul 13.
Southwest, American, United and Allegiant fly direct from Washington, D.C. to Knoxville.
  • There are 21 American direct flights from Washington, D.C. to Knoxville per week. Flights are available every day.
  • There are 21 United direct flights from Washington, D.C. to Knoxville per week. Flights are available every day.
  • There are 7 Southwest direct flights from Washington, D.C. to Knoxville per week. Flights are available every day.
  • There are 2 Allegiant direct flights from Washington, D.C. to Knoxville per week. Flights are available on Thursday and Sunday.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
The cheapest last-minute deal between Washington, D.C. and Knoxville at price $132 is offered by Allegiant from Thu, May 7 to Sun, May 10.
Southwest, American, United and Allegiant fly direct from Washington, D.C. to Knoxville.
  • There are 21 American direct flights from Washington, D.C. to Knoxville per week. Flights are available every day.
  • There are 21 United direct flights from Washington, D.C. to Knoxville per week. Flights are available every day.
  • There are 7 Southwest direct flights from Washington, D.C. to Knoxville per week. Flights are available every day.
  • There are 2 Allegiant direct flights from Washington, D.C. to Knoxville per week. Flights are available on Thursday and Sunday.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
There are direct flights from Washington, D.C. to Knoxville on a daily basis.
The cheapest direct (nonstop) round-trip flights between Washington, D.C. and Knoxville start at $86 from Fri, Jul 10 to Mon, Jul 13 with Allegiant.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Washington, D.C. to Knoxville, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between Washington, D.C. and Knoxville start at $466 from Sat, Jul 11 to Sun, Jul 12 with American.
The cheapest economy class round-trip flights between Washington, D.C. and Knoxville start at $80 from Fri, Jul 17 to Mon, Jul 20.
To book business class trips from Washington, D.C. to Knoxville, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between Washington, D.C. and Knoxville starts at $132 from Thu, May 7 to Sun, May 10 with Allegiant.
The cheapest last-minute deal between Washington, D.C. and Knoxville at price $132 is offered by Allegiant from Thu, May 7 to Sun, May 10.
To find last-minute flight deals from Washington, D.C. to Knoxville, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

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