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Knoxville to Washington D.C. - Flights Starting at US$81

Book one-way or return flights from Knoxville to Washington D.C. from as little as US$81. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip
      • TYS08:48
        9h 20m
        1 stop
        DCA18:08
        Tue, May 14|Knoxville - Washington D.C.|Frontier Airlines
        US$81US$149
        45% OFF
        45% OFF
        US$149US$81
      • TYS07:15
        4h 24m
        1 stop
        DCA11:39
        Thu, Jul 4|Knoxville - Washington D.C.|Delta Air Lines
        US$91US$149
        39% OFF
        39% OFF
        US$149US$91
      • TYS17:05
        1h 38m
        Direct
        DCA18:43
        Tue, Jul 2|Knoxville - Washington D.C.|American Airlines
        US$92US$149
        38% OFF
        38% OFF
        US$149US$92
      • TYS15:56
        5h 43m
        1 stop
        IAD21:39
        Mon, Jul 1|Knoxville - Washington D.C.|Delta Air Lines
        US$92
        US$92
      • TYS14:43
        4h 37m
        1 stop
        DCA19:20
        Tue, May 14|Knoxville - Washington D.C.|American Airlines
        US$95
        US$95
      • TYS06:52
        1h 49m
        Direct
        DCA08:41
        Wed, Jun 12|Knoxville - Washington D.C.|American Airlines
        US$98
        US$98
      • TYS17:00
        4h 22m
        1 stop
        DCA21:22
        Wed, Jun 12|Knoxville - Washington D.C.|Delta Air Lines
        US$99
        US$99
      • TYS16:34
        3h 47m
        1 stop
        DCA20:21
        Wed, May 15|Knoxville - Washington D.C.|Delta Air Lines
        US$105
        US$105
      • TYS14:01
        5h 21m
        1 stop
        DCA19:22
        Sat, May 25|Knoxville - Washington D.C.|Delta Air Lines
        US$106
        US$106
      • TYS08:13
        9h 27m
        1 stop
        DCA17:40
        Thu, May 9|Knoxville - Washington D.C.|Frontier Airlines
        US$109
        US$109
      • TYS13:00
        3h 5m
        Direct
        WAS14:00
        Fri, May 3|Knoxville - Washington D.C.|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

We've found these cheap flights for you. You may book a one-way or round trip as per your needs.

We monitor flight fares to help you seize the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from Knoxville to Washington D.C.

View airlines operating flights from Knoxville to Washington D.C.. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From US$81
Delta Air Lines
From US$91
American Airlines
From US$92
United Airlines
From US$112
Allegiant Air
From US$343
ANA airlines

Find more flights and airlines

Alternative Routes from Knoxville to Washington D.C.

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Knoxville to Washington D.C..

  • Cheapest
    Frontier Airlines
    TYS
    08:48
    9h 20m
    1 transfer
    DCA
    18:08
    Mcghee Tyson Airport - Ronald Reagan Washington National Airport
    Tue, May 14Frontier Airlines
    US$81
  • Delta Air Lines
    TYS
    15:56
    5h 43m
    1 transfer
    IAD
    21:39
    Mcghee Tyson Airport - Dulles International Airport
    Mon, Jul 1Delta Air Lines
    US$92
  • Delta Air Lines
    TYS
    15:56
    5h 43m
    1 transfer
    IAD
    21:39
    Mcghee Tyson Airport - Dulles International Airport
    Mon, Jul 1Delta Air Lines
    US$92
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from Knoxville (TYS) to Washington D.C. (WAS) the cheapest?

    Airlines adjust prices for flights from Knoxville to Washington D.C. based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Knoxville (TYS) to Washington D.C. (WAS) cost?

    According to Trip.com's data, the lowest price is around $377.

  • How long does it take to fly from Knoxville (TYS) to Washington D.C. (WAS) and what is the distance?

    It takes around 1 hour 41 minutes to fly from Knoxville (TYS) to Washington D.C. (WAS).

  • What are the most popular airlines that fly from Knoxville (TYS) to Washington D.C. (WAS)?

    Airlines with flights from Knoxville (TYS) to Washington D.C. (WAS): Brussels Airlines, Lufthansa, Avianca, Air Canada, Ethiopian Airlines, Copa Airlines, United Airlines and American Airlines.

How to find a cheap flight from Knoxville to Washington D.C.

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Knoxville to Washington D.C.. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com
Knoxville to Washington D.C. Flight Information

Cheapest nonstop flight price

$81

Cheapest round-trip ticket price

$177

Off-season for travel

May

Peak season for travel

October

Flight distance

703.49km

Average flight time

1 hour 41 minutes

Popular airline

American Airlines

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