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Cheap Flights from Knoxville to Washington D.C. starting at S$ 111

Book one-way or return flights from Knoxville to Washington D.C. from as little as S$ 111. 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
        S$ 111S$ 223
        50% OFF
        50% OFF
        S$ 223S$ 111
      • TYS07:15
        4h 24m
        1 stop
        DCA11:39
        Thu, Jul 4|Knoxville - Washington D.C.|Delta Air Lines
        S$ 124S$ 223
        44% OFF
        44% OFF
        S$ 223S$ 124
      • TYS17:05
        1h 38m
        Direct
        DCA18:43
        Tue, Jul 2|Knoxville - Washington D.C.|American Airlines
        S$ 125S$ 223
        44% OFF
        44% OFF
        S$ 223S$ 125
      • TYS15:56
        5h 43m
        1 stop
        IAD21:39
        Mon, Jul 1|Knoxville - Washington D.C.|Delta Air Lines
        S$ 126
        S$ 126
      • TYS14:43
        4h 37m
        1 stop
        DCA19:20
        Tue, May 14|Knoxville - Washington D.C.|American Airlines
        S$ 129
        S$ 129
      • TYS06:52
        1h 49m
        Direct
        DCA08:41
        Wed, Jun 12|Knoxville - Washington D.C.|American Airlines
        S$ 133
        S$ 133
      • TYS17:00
        4h 22m
        1 stop
        DCA21:22
        Wed, Jun 12|Knoxville - Washington D.C.|Delta Air Lines
        S$ 135
        S$ 135
      • TYS16:34
        3h 47m
        1 stop
        DCA20:21
        Wed, May 15|Knoxville - Washington D.C.|Delta Air Lines
        S$ 143
        S$ 143
      • TYS14:01
        5h 21m
        1 stop
        DCA19:22
        Sat, May 25|Knoxville - Washington D.C.|Delta Air Lines
        S$ 144
        S$ 144
      • TYS08:13
        9h 27m
        1 stop
        DCA17:40
        Thu, May 9|Knoxville - Washington D.C.|Frontier Airlines
        S$ 148
        S$ 148
      • TYS13:00
        3h 5m
        Direct
        WAS14:00
        Sun, May 5|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.

Searching for the best last minute flight from Knoxville to Washington D.C.? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Knoxville to Washington D.C.. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.
Cheapest Airlines flying 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 S$ 111
Delta Air Lines
From S$ 124
American Airlines
From S$ 125
United Airlines
From S$ 152
Allegiant Air
From S$ 467
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
    S$ 111
  • Delta Air Lines
    TYS
    15:56
    5h 43m
    1 transfer
    IAD
    21:39
    Mcghee Tyson Airport - Dulles International Airport
    Mon, Jul 1Delta Air Lines
    S$ 126
  • Delta Air Lines
    TYS
    15:56
    5h 43m
    1 transfer
    IAD
    21:39
    Mcghee Tyson Airport - Dulles International Airport
    Mon, Jul 1Delta Air Lines
    S$ 126
    Find More Flights

Frequently Asked Questions

  • When to buy 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 date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much is a flight from Knoxville (TYS) to Washington D.C. (WAS) cost?

    According to Trip.com's data, the lowest price is around S$ 502.

  • How long is a flight from Knoxville (TYS) to Washington D.C. (WAS)?

    It takes about 1 hour 40 minutes to fly from Knoxville (TYS) to Washington D.C. (WAS).

  • What time does the earliest flight from Knoxville to Washington D.C. depart?

    The earliest flight departs from Knoxville (TYS) at 05:57 and arrives in Washington D.C. (DCA) at 07:37.

  • What time does the latest flight from Knoxville to Washington D.C. depart?

    The latest flight departs from Knoxville (TYS) at 19:18 and arrives in Washington D.C. (DCA) at 21:00.

  • 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.

  • What's the most popular airline for direct flights from Knoxville (TYS) to Washington D.C. (WAS)?

    United Airlines operates 1 direct flights from Knoxville (TYS) to Washington D.C. (WAS).

  • How many airports in Washington D.C.?

    There are 2 airports near Washington D.C.: Ronald Reagan Washington National Airport and Dulles International Airport.

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
Flight Information from Knoxville to Washington D.C.

Cheapest direct flight price

S$ 110

Cheapest return ticket price

S$ 241

Cheapest month

May

Peak season for travel

October

Flight distance

703.49km

Average flight time

1 hour 40 minutes

Popular airline

American Airlines

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