Cheap flights from Knoxville to Washington, D.C. from £32

Cheap flights from Knoxville to Washington, D.C. from £32

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Direct
Fri, Jul 17
Knoxville TYSWashington, D.C. IAD
£32
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Direct
Mon, Jul 13
Knoxville TYSWashington, D.C. IAD
£32
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1 stop
Mon, Jul 13
Knoxville TYSWashington, D.C. BWI
£89
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1 stop
Wed, Jul 15
Knoxville TYSWashington, D.C. BWI
£98
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1 stop
Thu, Jul 16
Knoxville TYSWashington, D.C. BWI
£100
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1 stop
Wed, Jul 15
Knoxville TYSWashington, D.C. IAD
£106
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Direct
Mon, Jul 13 – Fri, Jul 17
Knoxville TYSWashington, D.C. IAD
£60
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Direct
Fri, Jul 17 – Mon, Jul 20
Knoxville TYSWashington, D.C. IAD
£60
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1 stop
Mon, Jul 13 – Fri, Jul 17
Knoxville TYSWashington, D.C. BWI
£115
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Direct
Fri, Jul 17 – Mon, Jul 20
Knoxville TYSWashington, D.C. IAD
£119
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1 stop
Wed, Jul 15 – Mon, Jul 20
Knoxville TYSWashington, D.C. BWI
£124
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1 stop
Wed, Jul 15 – Fri, Jul 17
Knoxville TYSWashington, D.C. IAD
£133
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How much do flights to Washington, D.C. cost?

Cheapest one-way trip

£32

Cheapest nonstop round-trip

£68

Cheapest round-trip

£60

Average round-trip

£252

Includes rare itinerary

Travel hack

Getting from Washington, D.C. airports to the city center

Fastest options: Metro from DCA. Best value: Metro and bus services from all airports.

Washington, D.C. is served by three major airports, each offering various airport transfers to city center destinations. Ronald Reagan Washington National Airport (DCA) is the closest, located just 6 km south of downtown across the Potomac River. Washington Dulles International Airport (IAD) lies 42 km west of the city center in Virginia. Baltimore/Washington International Thurgood Marshall Airport (BWI) is 50 km northeast in Maryland. Transport options include Metro rail, commuter trains, express buses, taxis, ride-hailing services, and private transfers. Journey times and costs vary depending on the airport, time of day, and traffic conditions.

How to get from Ronald Reagan Washington National Airport (DCA) to Washington, D.C.?

Transport Option

Typical Time

Typical Cost

Frequency

Best For

15-20 min

$2 – $6; varies by destination and time of day

every 8–12 min (traffic dependent)

fastest and most affordable

15-30 min

$15 – $25; metered; varies by traffic

on-demand 24/7 (traffic dependent)

door-to-door convenience

How to get from Washington Dulles International Airport (IAD) to Washington, D.C.?

Transport Option

Typical Time

Typical Cost

Frequency

Best For

45-60 min

$6; flat fare to downtown

every 8–15 min (traffic dependent)

budget travelers

20-30 min

$5; to Wiehle-Reston East Metro

every 20 min (traffic dependent)

connecting to Metro

45-75 min

$65 – $85; metered; varies by traffic

on-demand 24/7 (traffic dependent)

groups with luggage

How to get from Baltimore/Washington International Thurgood Marshall Airport (BWI) to Washington, D.C.?

Transport Option

Typical Time

Typical Cost

Frequency

Best For

35-45 min

$8; one-way fare

hourly weekdays (traffic dependent)

commuters to Union Station

30-40 min

$15 – $50; varies by train type and booking time

multiple daily (traffic dependent)

comfort and speed

50-90 min

$90 – $110; metered; varies by traffic

on-demand 24/7 (traffic dependent)

late night arrivals

Notes:

  • Prices in USD; table created in 2025 and subject to change.
  • Metro fares vary by distance and time of day; use SmarTrip card for best rates.
  • MARC trains operate primarily on weekdays with limited weekend service.
  • Taxi and ride-hailing prices vary with demand and traffic conditions.
  • We recommend checking official transport websites for your travel planning.

Updated: December 2025

Key info about flying to Washington, D.C.

Depart from
McGhee Tyson
Arrive to
Washington Dulles International
Average flights per week
307
Flight distance
675 km
Worth visiting
Lincoln Memorial - National Mall

Weekly direct flights

Discover the top airlines offering direct flights from Knoxville to Washington, D.C. in the next month. You’ll find the number of daily direct flights per airline in the chart.

AirlineMon 15.06Tue 16.06Wed 17.06Thu 18.06Fri 19.06Sat 20.06Sun 21.06
United Airlines
4444444
Allegiant Air
1---------1------
Weekly flights: 30 totalDaily flights: 4.29 averageMost flights: Monday 4 flights
AirlineMon 22.06Tue 23.06Wed 24.06Thu 25.06Fri 26.06Sat 27.06Sun 28.06
United Airlines
4444444
Allegiant Air
1---------1------
Weekly flights: 30 totalDaily flights: 4.29 averageMost flights: Monday 4 flights
AirlineMon 29.06Tue 30.06Wed 01.07Thu 02.07Fri 03.07Sat 04.07Sun 05.07
United Airlines
4444444
Allegiant Air
1---------1------
Weekly flights: 30 totalDaily flights: 4.29 averageMost flights: Monday 4 flights
AirlineMon 06.07Tue 07.07Wed 08.07Thu 09.07Fri 10.07Sat 11.07Sun 12.07
United Airlines
4444444
Allegiant Air
1---------1------
Weekly flights: 30 totalDaily flights: 4.29 averageMost flights: Monday 4 flights

Check-in for a flight from Knoxville to Washington, D.C.

NameCarrier codeIATA CodePassport needed during booking
Allegiant AirAAYG4No
United AirlinesUALUANo
Frontier AirlinesFFTF9No
JetBlue AirwaysJBUB6No
BREEZE MXNo

Online check-in is not available for these airlines.

Weather in Washington, D.C.

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January5°C-2°C
February7°C0°C
March13°C3°C
April19°C8°C
May23°C13°C
June29°C18°C
July32°C21°C
August30°C20°C
September26°C17°C
October20°C11°C
November13°C5°C
December8°C1°C
Hottest Month
32°C
July
Coldest month
-2°C
January
Sunny days
266
days per year
Snow days
8
days per year

14 day forecast

Sunday
21 Jun
17%
30°C21°C
28 Jun
31°C18°C
Monday
22 Jun
61%
30°C19°C
29 Jun
31°C18°C
Tuesday
23 Jun
82%
24°C19°C
30 Jun
35°C18°C
Wednesday
24 Jun
29°C15°C
1 Jul
38°C20°C
Thursday
25 Jun
57%
32°C17°C
2 Jul
39°C23°C
Friday
26 Jun
47%
33°C18°C
3 Jul
75%
34°C21°C
Saturday
27 Jun
57%
33°C21°C
4 Jul
67%
27°C20°C
Book your trip to arrive at Washington Dulles International, Baltimore–Washington International, or Ronald Reagan Washington National. The distance between Knoxville and Washington, D.C. is 675 km. The most popular airlines for this route are Allegiant Air, United Airlines, Frontier Airlines, JetBlue Airways, and BREEZE. Knoxville and Washington, D.C. have 307 direct flights per week. When you arrive at Washington, D.C., consider visiting Lincoln Memorial, and National Mall.

Frequently asked questions

How long does it take to travel from Knoxville to Washington, D.C.?
A one-way nonstop (direct) flight between Knoxville and Washington, D.C. takes around 1.7 hours.
What is the flight distance between Knoxville and Washington, D.C.?
The flight distance between Knoxville and Washington, D.C. is 675 km.
What airlines offer nonstop (direct) flights between Knoxville and Washington, D.C.?
Several carriers operate flights between Knoxville and Washington, D.C.. Airlines offering nonstop (direct) flights include Allegiant Air, United Airlines.
What are the most popular routes to and from Knoxville?
Travelers frequently search for route combinations, such as Knoxville and London, Edinburgh, Fort Lauderdale, Orlando, Houston, Phoenix, Berlin, Destin, Mexico City, Belleville, Reykjavik, Denver, Boston, Ottawa, Ho Chi Minh City, Toronto, St. Louis, Seoul, Chicago, Bucharest.
What are the most popular routes to and from Washington, D.C.?
Travelers frequently search for route combinations, such as Washington, D.C. and London, Manchester, Atlanta, Los Angeles, Orlando, Edinburgh, Glasgow, Mexico City, Dallas, Aberdeen, Tampa, Toronto, San Francisco, Denver, Boston, Houston, San Salvador, Lima, Miami, Las Vegas.
What airports are near Knoxville?
The main airport in Knoxville is McGhee Tyson. It is also served by Nashville International, McGhee Tyson, Asheville Regional, Greenville–Spartanburg International, Blue Grass, Chattanooga Metropolitan, Tri-Cities Regional.
What airports are near Washington, D.C.?
The main airport in Washington, D.C. is Washington Dulles International. It is also served by Philadelphia International, Norfolk International, Atlantic City International, Richmond International, Lehigh Valley International, Trenton–Mercer, Harrisburg International, Salisbury–Ocean City–Wicomico Regional, Hagerstown Regional, Charlottesville–Albemarle.
Which airlines fly between Knoxville and Washington, D.C.?
Currently, you can fly between Knoxville and Washington, D.C. with Allegiant Air, United Airlines, Frontier Airlines, JetBlue Airways, BREEZE.
When’s the best time to travel between Knoxville and Washington, D.C.?
If you don’t have specific dates for your trip between Knoxville and Washington, D.C., you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.
What flights operate between Knoxville and Washington, D.C.?
How many airports are there near Knoxville?
How many airports are there near Washington, D.C.?
What time do nonstop (direct) flights between Knoxville and Washington, D.C. depart?
What time do nonstop (direct) flights between Knoxville and Washington, D.C. arrive?
What time do flights between Knoxville and Washington, D.C. depart?
What time do flights between Knoxville and Washington, D.C. arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any origin and destination in the world by plane. Find the cheapest routes and best deals, as well as the best dates to travel.

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