Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Knoxville to Washington, D.C. from R1 900

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Knoxville to Washington, D.C.

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:15 - 12:19TYS  Knoxville McGhee Tyson-DCA Washington, D.C. Reagan-National
6h 04m1 stop Newark
United Airlines Logo
7:00 - 11:45DCA  Washington, D.C. Reagan-National-TYS Knoxville McGhee Tyson
4h 45m1 stop Newark
R3 633United Airlines
Wed, Jan 6 - Sat, Jan 9
Delta Logo
14:38 - 20:39TYS  Knoxville McGhee Tyson-DCA Washington, D.C. Reagan-National
6h 01m1 stop Atlanta Hartsfield-Jackson
Delta Logo
9:00 - 15:26DCA  Washington, D.C. Reagan-National-TYS Knoxville McGhee Tyson
6h 26m1 stop Atlanta Hartsfield-Jackson
R3 783Delta
Thu, Oct 29 - Mon, Nov 2
Southwest Logo
14:50 - 19:55TYS  Knoxville McGhee Tyson-DCA Washington, D.C. Reagan-National
5h 05m1 stop Nashville Intl
Southwest Logo
12:00 - 20:35DCA  Washington, D.C. Reagan-National-TYS Knoxville McGhee Tyson
8h 35m2 stops Lambert-St Louis Nashville Intl
R3 867Southwest
Sat, Nov 7 - Mon, Nov 9
Southwest Logo
7:00 - 16:00TYS  Knoxville McGhee Tyson-DCA Washington, D.C. Reagan-National
9h 00m2 stops Nashville Intl Atlanta Hartsfield-Jackson
Southwest Logo
7:25 - 18:40DCA  Washington, D.C. Reagan-National-TYS Knoxville McGhee Tyson
11h 15m2 stops Atlanta Hartsfield-Jackson Nashville Intl
R4 050Southwest
Tue, Jan 26 - Thu, Jan 28
Delta Logo
7:07 - 12:44TYS  Knoxville McGhee Tyson-DCA Washington, D.C. Reagan-National
5h 37m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:00 - 11:06DCA  Washington, D.C. Reagan-National-TYS Knoxville McGhee Tyson
4h 06m1 stop Atlanta Hartsfield-Jackson
R4 100Delta
Fri, Jan 8 - Mon, Jan 11
Southwest Logo
16:45 - 21:55TYS  Knoxville McGhee Tyson-DCA Washington, D.C. Reagan-National
5h 10m1 stop Nashville Intl
Southwest Logo
8:25 - 18:40DCA  Washington, D.C. Reagan-National-TYS Knoxville McGhee Tyson
10h 15m2 stops Lambert-St Louis Nashville Intl
R4 183Southwest
Wed, Jan 20 - Fri, Jan 22
Southwest Logo
7:00 - 16:00TYS  Knoxville McGhee Tyson-DCA Washington, D.C. Reagan-National
9h 00m2 stops Nashville Intl Atlanta Hartsfield-Jackson
Southwest Logo
8:25 - 18:40DCA  Washington, D.C. Reagan-National-TYS Knoxville McGhee Tyson
10h 15m2 stops Lambert-St Louis Nashville Intl
R4 267Southwest
Wed, Jan 20 - Fri, Jan 22
Delta Logo
18:23 - 23:47TYS  Knoxville McGhee Tyson-DCA Washington, D.C. Reagan-National
5h 24m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:59 - 13:40DCA  Washington, D.C. Reagan-National-TYS Knoxville McGhee Tyson
5h 41m1 stop Atlanta Hartsfield-Jackson
R4 283Delta
Wed, Oct 21 - Fri, Oct 30
Southwest Logo
17:15 - 22:00TYS  Knoxville McGhee Tyson-DCA Washington, D.C. Reagan-National
4h 45m1 stop Nashville Intl
Southwest Logo
13:00 - 19:50DCA  Washington, D.C. Reagan-National-TYS Knoxville McGhee Tyson
6h 50m1 stop Nashville Intl
R4 533Southwest
Mon, Nov 16 - Wed, Nov 18
Delta Logo
14:38 - 18:27TYS  Knoxville McGhee Tyson-DCA Washington, D.C. Reagan-National
3h 49m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:00 - 13:31DCA  Washington, D.C. Reagan-National-TYS Knoxville McGhee Tyson
6h 31m1 stop Atlanta Hartsfield-Jackson
R4 550Delta
Wed, Oct 28 - Sun, Nov 1

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Southwest flights from Knoxville to Washington, D.C.

Our best Southwest deals on Knoxville to Washington, D.C. flight tickets
Southwest
Nov 7
TYS14:50Knoxville McGhee Tyson
5h 05m
1 stop
DCA19:55Washington, D.C. Reagan-National
Nov 9
DCA12:00Washington, D.C. Reagan-National
8h 35m
2 stops
TYS20:35Knoxville McGhee Tyson
R3 867
Southwest
Jan 26
TYS7:00Knoxville McGhee Tyson
9h 00m
2 stops
DCA16:00Washington, D.C. Reagan-National
Jan 28
DCA7:25Washington, D.C. Reagan-National
11h 15m
2 stops
TYS18:40Knoxville McGhee Tyson
R4 050
Southwest
Jan 20
TYS16:45Knoxville McGhee Tyson
5h 10m
1 stop
DCA21:55Washington, D.C. Reagan-National
Jan 22
DCA8:25Washington, D.C. Reagan-National
10h 15m
2 stops
TYS18:40Knoxville McGhee Tyson
R4 183

Delta flights from Knoxville to Washington, D.C.

Our best Delta deals on Knoxville to Washington, D.C. flight tickets
Delta
Oct 29
TYS14:38Knoxville McGhee Tyson
6h 01m
1 stop
DCA20:39Washington, D.C. Reagan-National
Nov 2
DCA9:00Washington, D.C. Reagan-National
6h 26m
1 stop
TYS15:26Knoxville McGhee Tyson
R3 783
Delta
Jan 8
TYS7:07Knoxville McGhee Tyson
5h 37m
1 stop
DCA12:44Washington, D.C. Reagan-National
Jan 11
DCA7:00Washington, D.C. Reagan-National
4h 06m
1 stop
TYS11:06Knoxville McGhee Tyson
R4 100
Delta
Oct 21
TYS18:23Knoxville McGhee Tyson
5h 24m
1 stop
DCA23:47Washington, D.C. Reagan-National
Oct 30
DCA7:59Washington, D.C. Reagan-National
5h 41m
1 stop
TYS13:40Knoxville McGhee Tyson
R4 283

momondo Fare Finder

 
Use the filters below to find and compare flights from Knoxville to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

KnoxvilleWashington, D.C.

TYS Knoxville McGhee Tyson - DCA Washington, D.C. Reagan-National

TYSDCA

Knoxville McGhee Tyson

Wed 6/1

6:15-12:19

1 stop6h 04m

Washington, D.C. Reagan-National

Sat 9/1

7:00-11:45

1 stop4h 45m

R3 633

KnoxvilleWashington, D.C.

TYS Knoxville McGhee Tyson - DCA Washington, D.C. Reagan-National

TYSDCA

Knoxville McGhee Tyson

Thu 29/10

14:38-20:39

1 stop6h 01m

Washington, D.C. Reagan-National

Mon 2/11

9:00-15:26

1 stop6h 26m

R3 783

KnoxvilleWashington, D.C.

TYS Knoxville McGhee Tyson - DCA Washington, D.C. Reagan-National

TYSDCA

Knoxville McGhee Tyson

Sat 7/11

14:50-19:55

1 stop5h 05m

Washington, D.C. Reagan-National

Mon 9/11

12:00-20:35

2 stops8h 35m

R3 867

KnoxvilleWashington, D.C.

TYS Knoxville McGhee Tyson - DCA Washington, D.C. Reagan-National

TYSDCA

Knoxville McGhee Tyson

Tue 26/1

7:00-16:00

2 stops9h 00m

Washington, D.C. Reagan-National

Thu 28/1

7:25-18:40

2 stops11h 15m

R4 050
Fastest return journey

KnoxvilleWashington, D.C.

TYS Knoxville McGhee Tyson - DCA Washington, D.C. Reagan-National

TYSDCA

Knoxville McGhee Tyson

Fri 8/1

7:07-12:44

1 stop5h 37m

Washington, D.C. Reagan-National

Mon 11/1

7:00-11:06

1 stop4h 06m

R4 100

KnoxvilleWashington, D.C.

TYS Knoxville McGhee Tyson - DCA Washington, D.C. Reagan-National

TYSDCA

Knoxville McGhee Tyson

Wed 20/1

16:45-21:55

1 stop5h 10m

Washington, D.C. Reagan-National

Fri 22/1

8:25-18:40

2 stops10h 15m

R4 183

KnoxvilleWashington, D.C.

TYS Knoxville McGhee Tyson - DCA Washington, D.C. Reagan-National

TYSDCA

Knoxville McGhee Tyson

Wed 20/1

7:00-16:00

2 stops9h 00m

Washington, D.C. Reagan-National

Fri 22/1

8:25-18:40

2 stops10h 15m

R4 267

KnoxvilleWashington, D.C.

TYS Knoxville McGhee Tyson - DCA Washington, D.C. Reagan-National

TYSDCA

Knoxville McGhee Tyson

Wed 21/10

18:23-23:47

1 stop5h 24m

Washington, D.C. Reagan-National

Fri 30/10

7:59-13:40

1 stop5h 41m

R4 283

KnoxvilleWashington, D.C.

TYS Knoxville McGhee Tyson - DCA Washington, D.C. Reagan-National

TYSDCA

Knoxville McGhee Tyson

Mon 16/11

17:15-22:00

1 stop4h 45m

Washington, D.C. Reagan-National

Wed 18/11

13:00-19:50

1 stop6h 50m

R4 533

KnoxvilleWashington, D.C.

TYS Knoxville McGhee Tyson - DCA Washington, D.C. Reagan-National

TYSDCA

Knoxville McGhee Tyson

Wed 28/10

14:38-18:27

1 stop3h 49m

Washington, D.C. Reagan-National

Sun 1/11

7:00-13:31

1 stop6h 31m

R4 550

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Knoxville to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Knoxville and Washington, D.C.?

Prices are currently typical for flights on this route.

Typical prices usually range from R3 367 to R7 867.
The lowest price recently found on this route was R3 633.

What is the cheapest month to fly to Washington, D.C.?

In general, February is the cheapest month to fly from Knoxville to Washington, D.C.. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around R3 583. If you aren’t able to travel during the month of February, then book flights to Washington, D.C. from Knoxville during January instead. Flights to Washington, D.C. in January, while not as cheap as those in February, still average around R3 650.

What is the cheapest Knoxville McGhee Tyson to Washington, D.C. flight route?

Fly from Knoxville McGhee Tyson to Washington, D.C. Dulles Intl for the best Knoxville McGhee Tyson - Washington, D.C. flight prices

What cabin class options are available on Knoxville to Washington, D.C. flights?

There is only 1 cabin class available to choose from on Knoxville to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Knoxville to Washington, D.C. flights?

No. A direct flight is the cheapest option for a flight between Knoxville to Washington, D.C..

How have Knoxville to Washington, D.C. flight prices changed over time?

As of October 2026, prices for Knoxville to Washington, D.C. flights are approximately 60% cheaper when compared to flights at the same time last year.

When to book flights from Knoxville to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Knoxville to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Knoxville to Washington, D.C. (TYS to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Washington, D.C.

Best price found

R1 900

Direct flights

None
The best one-way flight to Washington, D.C. from Knoxville in the past 72 hours is R1 900. The best return flight deal from Knoxville to Washington, D.C. found on momondo in the last 72 hours is R3 633.
There are no direct flights from Knoxville to Washington, D.C.. There are no popular flight routes from Knoxville to Washington, D.C..
Search flight deals

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

  • How far is Knoxville McGhee Tyson to Washington, D.C. by plane?

    The straight-line distance from Knoxville McGhee Tyson to Washington, D.C. is 689,8 km.

  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Washington, D.C.?

    Prices for flights from Knoxville McGhee Tyson Airport to Washington, D.C. refresh daily.

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to Washington, D.C.?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Knoxville to Washington, D.C.?

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Arlington
Cambridge
Owings Mills

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to Washington, D.C.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Knoxville.

Can I find flights from Knoxville to Washington, D.C. with flexible booking policies on momondo?

All flight searches from Knoxville to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Knoxville to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Knoxville.

I’m not ready to book a flight from Knoxville to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Knoxville to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 1/11
Sun 8/11
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport