Trip.com
>
Cheap Flights
>
United States
>
District of Columbia
>
Washington D.C.
>
Knoxville to Washington D.C. flight
>
Mcghee Tyson Airport to Dulles International Airport flight

Explore the cheapest one-way and round-trip flights from Mcghee Tyson Airport to Dulles International Airport over the next 90 days, with one-way fares from £18 and round-trip from £50. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      TYS 07:45
      1h 28m
      Direct
      IAD 09:13
      Knoxville - Washington D.C. | Thu, Nov 5 | Allegiant Air
      IAD 10:03
      1h 35m
      Direct
      TYS 11:38
      Washington D.C. - Knoxville | Thu, Nov 12 | Allegiant Air
      £50 £525
      90% off
      90% off
      £525 £50
    • TYS 05:45
      1h 43m
      Direct
      IAD 07:28
      Knoxville - Washington D.C. | Fri, Nov 20 | United Airlines
      IAD 20:32
      1h 32m
      Direct
      TYS 22:04
      Washington D.C. - Knoxville | Sun, Nov 22 | Allegiant Air
      £224 £525
      56% off
      56% off
      £525 £224
    • TYS 09:45
      1h 43m
      Direct
      IAD 11:28
      Knoxville - Washington D.C. | Thu, Nov 5 | United Airlines
      IAD 17:45
      1h 51m
      Direct
      TYS 19:36
      Washington D.C. - Knoxville | Thu, Nov 12 | United Airlines
      £298 £525
      43% off
      43% off
      £525 £298
    • TYS 19:35
      1h 40m
      Direct
      IAD 21:15
      Knoxville - Washington D.C. | Wed, Nov 25 | United Airlines
      IAD 09:40
      1h 50m
      Direct
      TYS 11:30
      Washington D.C. - Knoxville | Sun, Nov 29 | United Airlines
      £342
      35% off
      £525 £342
    • TYS 05:40
      3h 29m
      1 stop
      IAD 09:09
      Knoxville - Washington D.C. | Fri, Nov 20 | Delta Air Lines
      DCA 07:00
      6h 35m
      1 stop
      TYS 13:35
      Washington D.C. - Knoxville | Sun, Nov 22 | Delta Air Lines
      £205
      61% off
      £525 £205
    • TYS 11:50
      5h 20m
      1 stop
      IAD 17:10
      Knoxville - Washington D.C. | Thu, Nov 5 | Delta Air Lines
      IAD 08:05
      5h 50m
      1 stop
      TYS 13:55
      Washington D.C. - Knoxville | Thu, Nov 12 | Delta Air Lines
      £243
      54% off
      £525 £243
    • TYS 20:04
      3h 50m
      1 stop
      IAD 23:54
      Knoxville - Washington D.C. | Thu, Nov 5 | American Airlines
      DCA 19:49
      1h 51m
      Direct
      TYS 21:40
      Washington D.C. - Knoxville | Thu, Nov 12 | American Airlines
      £251
      52% off
      £525 £251
    • TYS 19:14
      3h 45m
      1 stop
      IAD 22:59
      Knoxville - Washington D.C. | Mon, Nov 2 | American Airlines
      DCA 09:00
      1h 58m
      Direct
      TYS 10:58
      Washington D.C. - Knoxville | Thu, Nov 5 | American Airlines
      £329
      37% off
      £525 £329
    • TYS 09:45
      1h 43m
      Direct
      IAD 11:28
      Knoxville - Washington D.C. | Mon, Nov 2 | United Airlines
      DCA 07:59
      5h 32m
      1 stop
      TYS 13:31
      Washington D.C. - Knoxville | Thu, Nov 5 | Delta Air Lines
      £363
      31% off
      £525 £363
    • TYS 13:00
      17h 25m
      1 stop
      WAS 14:00
      Knoxville - Washington D.C. | Thu, Oct 29 | Normal Airline
      WAS 15:00
      6h
      Direct
      TYS 16:00
      Washington D.C. - Knoxville | Sat, Oct 31 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest
      TYS 07:30
      1h 28m
      Direct
      IAD 08:58
      Knoxville - Washington D.C. | Sun, Nov 15 | Allegiant Air
      £18 £210
      91% off
      91% off
      £210 £18
    • TYS 07:45
      1h 28m
      Direct
      IAD 09:13
      Knoxville - Washington D.C. | Thu, Nov 5 | Allegiant Air
      £27 £210
      87% off
      87% off
      £210 £27
    • TYS 06:00
      1h 26m
      Direct
      IAD 07:26
      Knoxville - Washington D.C. | Sun, Nov 1 | Allegiant Air
      £27 £210
      87% off
      87% off
      £210 £27
    • TYS 07:45
      1h 26m
      Direct
      IAD 09:11
      Knoxville - Washington D.C. | Thu, Oct 29 | Allegiant Air
      £29
      86% off
      £210 £29
    • TYS 13:52
      28h 38m
      1 stop
      IAD 17:30
      Knoxville - Washington D.C. | Sat, Oct 31 | Allegiant Air
      £131
      38% off
      £210 £131
    • TYS 15:46
      3h 47m
      1 stop
      IAD 19:33
      Knoxville - Washington D.C. | Thu, Dec 3 | American Airlines
      £142
      32% off
      £210 £142
    • TYS 19:22
      5h 19m
      1 stop
      IAD 00:41
      Knoxville - Washington D.C. | Sun, Nov 15 | Delta Air Lines
      £161
      23% off
      £210 £161
    • TYS 19:20
      3h 39m
      1 stop
      IAD 22:59
      Knoxville - Washington D.C. | Sat, Nov 7 | American Airlines
      £161
      23% off
      £210 £161
    • TYS 16:00
      4h 10m
      1 stop
      IAD 20:10
      Knoxville - Washington D.C. | Wed, Nov 25 | Delta Air Lines
      £162
      23% off
      £210 £162
    • TYS 13:00
      17h 25m
      1 stop
      WAS 14:00
      Knoxville - Washington D.C. | Thu, Oct 29 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      TYS 07:30
      1h 28m
      Direct
      IAD 08:58
      Knoxville - Washington D.C. | Sun, Nov 15 | Allegiant Air
      £18 £210
      91% off
      91% off
      £210 £18
    • TYS 07:45
      1h 28m
      Direct
      IAD 09:13
      Knoxville - Washington D.C. | Thu, Nov 5 | Allegiant Air
      £27 £210
      87% off
      87% off
      £210 £27
    • TYS 06:00
      1h 26m
      Direct
      IAD 07:26
      Knoxville - Washington D.C. | Sun, Nov 1 | Allegiant Air
      £27 £210
      87% off
      87% off
      £210 £27
    • TYS 07:45
      1h 26m
      Direct
      IAD 09:11
      Knoxville - Washington D.C. | Thu, Oct 29 | Allegiant Air
      £29
      86% off
      £210 £29
    • TYS 13:55
      1h 43m
      Direct
      IAD 15:38
      Knoxville - Washington D.C. | Sat, Nov 7 | United Airlines
      £165
      21% off
      £210 £165
    • TYS 05:45
      1h 43m
      Direct
      IAD 07:28
      Knoxville - Washington D.C. | Mon, Nov 30 | United Airlines
      £194
      23% off
      £253 £194
    • TYS 19:45
      1h 40m
      Direct
      IAD 21:25
      Knoxville - Washington D.C. | Wed, Dec 2 | United Airlines
      £195
      21% off
      £247 £195
    • TYS 19:35
      1h 40m
      Direct
      IAD 21:15
      Knoxville - Washington D.C. | Tue, Nov 17 | United Airlines
      £195
      21% off
      £247 £195
    • TYS 19:35
      1h 40m
      Direct
      IAD 21:15
      Knoxville - Washington D.C. | Wed, Nov 18 | United Airlines
      £195
      21% off
      £247 £195
    • TYS 13:00
      17h 25m
      1 stop
      WAS 14:00
      Knoxville - Washington D.C. | Thu, Oct 29 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      TYS 07:30
      1h 28m
      Direct
      IAD 08:58
      Knoxville - Washington D.C. | Sun, Nov 15 | Allegiant Air
      £18 £253
      93% off
      93% off
      £253 £18
    • TYS 06:00
      1h 26m
      Direct
      IAD 07:26
      Knoxville - Washington D.C. | Sun, Nov 1 | Allegiant Air
      £27 £253
      89% off
      89% off
      £253 £27
    • TYS 05:45
      1h 43m
      Direct
      IAD 07:28
      Knoxville - Washington D.C. | Mon, Nov 30 | United Airlines
      £194 £253
      23% off
      23% off
      £253 £194
    • TYS 19:35
      1h 40m
      Direct
      IAD 21:15
      Knoxville - Washington D.C. | Sat, Jan 2 | United Airlines
      £196
      23% off
      £253 £196
    • TYS 19:35
      1h 40m
      Direct
      IAD 21:15
      Knoxville - Washington D.C. | Sat, Nov 28 | United Airlines
      £202
      20% off
      £253 £202
    • TYS 16:11
      4h 3m
      1 stop
      IAD 20:14
      Knoxville - Washington D.C. | Wed, Oct 28 | Delta Air Lines
      £160
      37% off
      £253 £160
    • TYS 16:11
      4h 3m
      1 stop
      IAD 20:14
      Knoxville - Washington D.C. | Thu, Oct 29 | Delta Air Lines
      £160
      37% off
      £253 £160
    • TYS 16:11
      4h 3m
      1 stop
      IAD 20:14
      Knoxville - Washington D.C. | Fri, Oct 30 | Delta Air Lines
      £160
      37% off
      £253 £160
    • TYS 16:11
      4h 3m
      1 stop
      IAD 20:14
      Knoxville - Washington D.C. | Fri, Nov 6 | Delta Air Lines
      £160
      37% off
      £253 £160
    • TYS 13:00
      17h 25m
      1 stop
      WAS 14:00
      Knoxville - Washington D.C. | Thu, Oct 29 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      TYS 06:00
      1h 26m
      Direct
      IAD 07:26
      Knoxville - Washington D.C. | Sun, Nov 1 | Allegiant Air
      £27 £202
      87% off
      87% off
      £202 £27
    • TYS 16:11
      4h 3m
      1 stop
      IAD 20:14
      Knoxville - Washington D.C. | Wed, Oct 28 | Delta Air Lines
      £160 £202
      21% off
      21% off
      £202 £160
    • TYS 16:11
      4h 3m
      1 stop
      IAD 20:14
      Knoxville - Washington D.C. | Thu, Oct 29 | Delta Air Lines
      £160 £202
      21% off
      21% off
      £202 £160
    • TYS 16:11
      4h 3m
      1 stop
      IAD 20:14
      Knoxville - Washington D.C. | Fri, Oct 30 | Delta Air Lines
      £160
      21% off
      £202 £160
    • TYS 08:57
      3h 54m
      1 stop
      IAD 12:51
      Knoxville - Washington D.C. | Wed, Oct 28 | American Airlines
      £161
      20% off
      £202 £161
    • TYS 20:04
      3h 50m
      1 stop
      IAD 23:54
      Knoxville - Washington D.C. | Sun, Nov 1 | American Airlines
      £161
      20% off
      £202 £161
    • TYS 13:00
      17h 25m
      1 stop
      WAS 14:00
      Knoxville - Washington D.C. | Thu, Oct 29 | Normal Airline
      Find more flights
      Find more flights
    • TYS 06:00
      1h 26m
      Direct
      IAD 07:26
      Knoxville - Washington D.C. | Sun, Nov 1 | Allegiant Air
      £27 £210
      87% off
      87% off
      £210 £27
    • TYS 07:45
      1h 26m
      Direct
      IAD 09:11
      Knoxville - Washington D.C. | Thu, Oct 29 | Allegiant Air
      £29 £210
      86% off
      86% off
      £210 £29
    • TYS 07:30
      1h 28m
      Direct
      IAD 08:58
      Knoxville - Washington D.C. | Sun, Nov 15 | Allegiant Air
      £18 £210
      91% off
      91% off
      £210 £18
    • TYS 07:45
      1h 28m
      Direct
      IAD 09:13
      Knoxville - Washington D.C. | Thu, Nov 5 | Allegiant Air
      £27
      87% off
      £210 £27
    • TYS 19:45
      1h 40m
      Direct
      IAD 21:25
      Knoxville - Washington D.C. | Wed, Dec 2 | United Airlines
      £195
      21% off
      £247 £195
    • TYS 19:35
      1h 40m
      Direct
      IAD 21:15
      Knoxville - Washington D.C. | Tue, Nov 17 | United Airlines
      £195
      21% off
      £247 £195
    • TYS 19:35
      1h 40m
      Direct
      IAD 21:15
      Knoxville - Washington D.C. | Wed, Nov 18 | United Airlines
      £195
      21% off
      £247 £195
    • TYS 19:35
      1h 40m
      Direct
      IAD 21:15
      Knoxville - Washington D.C. | Thu, Dec 24 | United Airlines
      £195
      21% off
      £247 £195
    • TYS 19:35
      1h 40m
      Direct
      IAD 21:15
      Knoxville - Washington D.C. | Sat, Jan 2 | United Airlines
      £196
      23% off
      £253 £196
    • TYS 13:00
      17h 25m
      1 stop
      WAS 14:00
      Knoxville - Washington D.C. | Thu, Oct 29 | Normal Airline
      Find more flights
      Find more flights

Displayed flight fares from Knoxville to Washington D.C. are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from Mcghee Tyson Airport to Dulles International Airport?

The cheapest airline flying from Mcghee Tyson Airport to Dulles International Airport is Allegiant Air (from £18) among 4 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Allegiant Air
From £18
American Airlines
From £142
Delta Air Lines
From £161
United Airlines
From £165

Find more flights and airlines

What is the flight schedule from Mcghee Tyson Airport to Dulles International Airport?

Check the schedule for flights from Knoxville to Washington D.C. and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. G41426

    Mcghee Tyson Airport

    06:00

    TYS

    1h 26m

    07:26

    IAD

    - - - - - - S
    Search

  2. G41427

    Mcghee Tyson Airport

    07:45

    TYS

    1h 26m

    09:11

    IAD

    - - - W - - -
    Search

  3. UA4848

    Mcghee Tyson Airport

    14:07

    TYS

    1h 43m

    15:50

    IAD

    S M T W T F S
    Search

  4. AA5675

    Mcghee Tyson Airport

    20:00

    TYS

    1h 24m

    Direct

    21:24

    CLT

    S M - - - - S
    Search

  5. AA1473

    Charlotte Douglas International Airport

    19:50

    CLT

    1h 22m

    Direct

    21:12

    IAD

    S M - - - - S

  6. DL1148

    Mcghee Tyson Airport

    16:11

    TYS

    1h 3m

    Direct

    17:14

    ATL

    S M T W T F S
    Search

  7. DL1309

    Hartsfield–Jackson Atlanta International Airport

    19:49

    ATL

    1h 41m

    Direct

    21:30

    IAD

    S M T W T F S

  8. DL3015

    Mcghee Tyson Airport

    05:15

    TYS

    1h 8m

    Direct

    06:23

    ATL

    S M T W T F S
    Search

  9. DL1324

    Hartsfield–Jackson Atlanta International Airport

    07:35

    ATL

    1h 44m

    Direct

    09:19

    IAD

    S M T W T F S

  10. AA6113

    Mcghee Tyson Airport

    12:59

    TYS

    1h 24m

    Direct

    14:23

    CLT

    S M - - - - S
    Search

  11. AA5447

    Charlotte Douglas International Airport

    16:00

    CLT

    1h 31m

    Direct

    17:31

    IAD

    S M - - - - S

  12. DL3015

    Mcghee Tyson Airport

    05:15

    TYS

    1h 8m

    Direct

    06:23

    ATL

    S M T W T F S
    Search

  13. DL1444

    Hartsfield–Jackson Atlanta International Airport

    09:45

    ATL

    1h 47m

    Direct

    11:32

    IAD

    - M T W T - -

  14. DL724

    Mcghee Tyson Airport

    14:36

    TYS

    1h 6m

    Direct

    15:42

    ATL

    S M T W T F S
    Search

  15. DL1309

    Hartsfield–Jackson Atlanta International Airport

    19:49

    ATL

    1h 41m

    Direct

    21:30

    IAD

    S M T W T F S

  16. DL5317

    Mcghee Tyson Airport

    07:08

    TYS

    1h 17m

    Direct

    08:25

    ATL

    S M T W T F S
    Search

  17. DL1444

    Hartsfield–Jackson Atlanta International Airport

    09:45

    ATL

    1h 47m

    Direct

    11:32

    IAD

    - M T W T - -
Find more flights and airlines

About Mcghee Tyson Airport and Dulles International Airport

Learn about Mcghee Tyson Airport (TYS) and Dulles International Airport (IAD) — including location, terminals, transportation, and travel tips.

Flight distance 676.23km
Cheapest one-way ticket price £18
Cheapest return ticket price £50

FAQs for Mcghee Tyson Airport to Dulles International Airport Flights

  • How long is the flight from Mcghee Tyson Airport to Dulles International Airport?

    Mcghee Tyson Airport to Dulles International Airport takes about 1 hour 15 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 4 daily flights from Mcghee Tyson Airport (TYS) to Dulles International Airport (IAD).
  • The earliest flight from Mcghee Tyson Airport to Dulles International Airport departs at 05:45, and the last departs at 19:25, with about 7 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Mcghee Tyson Airport (TYS) to Dulles International Airport (IAD) is quite popular. Without considering departure times or holidays, tickets cost around £179 in November, the most expensive month to book this route.
  • Allegiant Air is a very popular airline operating an average of 196 flights per month.
  • One-way flights from Mcghee Tyson Airport to Dulles International Airport currently start from £18, and round-trip fares start from £50. The current lowest fare is a Allegiant Air flight departing on Sun, Nov 15; prices may vary depending on availability.
  • Yes. United Airlines and Allegiant Air operate direct flights from Mcghee Tyson Airport to Dulles International Airport, with an average flight time of 1 hour 11 minutes, and around 29 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Mcghee Tyson Airport to Dulles International Airport is £202. Prices may vary depending on the departure date, airline, and availability.
  • Allegiant Air are the most popular budget airlines flying from Mcghee Tyson Airport to Dulles International Airport, with one-way fares starting from £18. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • Mcghee Tyson Airport to Dulles International Airport operates around 30 weekly flights, mainly by United Airlines and Allegiant Air. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Mcghee Tyson Airport and Dulles International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Find Cheap Flights with Trip.com

Note: Prices shown on this page are the estimated lowest prices and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please visit the customer support pages.