HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Knoxville

$42+ Cheap flights from District of Columbia to Knoxville (TYS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — TYS
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from District of Columbia to Knoxville with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from District of Columbia to Knoxville

Keep the following information in mind while searching for District of Columbia to Knoxville flight deals. Data was last updated septiembre 17, 2025.

Round-trip from

$84
(FlightHub)

One-way from

$42
(FlightHub)

Popular in

September

Cheapest in

August

Average price

$344

Good round-trip deal

$140 or less

Good one-way deal

$97 or less
From District of Columbia to Knoxville McGhee Tyson
Search Deals
One-way flight from District of Columbia to Knoxville McGhee Tyson
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($2 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from District of Columbia to Knoxville McGhee Tyson.
Search Deals
Price to beat on a one-way flight from District of Columbia to Knoxville McGhee Tyson.
Search Deals

Find flight deals from District of Columbia to Knoxville

Cheapest flights from District of Columbia to Knoxville
Explore the most affordable flight options available from District of Columbia to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 17, 2025.

This FlightHub deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/209:36 pmIAD - TYS
Nonstop1h 40mAllegiant Air
vie. 10/245:59 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 9/17$84
This FlightHub deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/208:23 pmIAD - TYS
Nonstop1h 40mAllegiant Air
dom. 11/235:49 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 9/17$85
This FlightHub deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/248:33 pmIAD - TYS
Nonstop1h 40mAllegiant Air
lun. 10/2711:00 amTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 9/17$87
This FlightHub deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/242:35 pmIAD - TYS
Nonstop1h 40mAllegiant Air
mié. 12/3112:01 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 9/16$94
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/149:16 pmIAD - TYS
Nonstop1h 40mAllegiant Air
lun. 11/172:22 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 9/15$96
This Booking.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/78:46 pmIAD - TYS
Nonstop1h 40mAllegiant Air
lun. 11/105:22 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 9/15$102
This Booking.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/139:36 pmIAD - TYS
Nonstop1h 40mAllegiant Air
lun. 10/207:02 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 9/15$135
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/201:59 pmDCA - TYS
Nonstop1h 49mAmerican Airlines
dom. 11/236:06 amTYS - DCA
Nonstop1h 43mAmerican Airlines
Deal found 9/15$189
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/41:55 pmDCA - TYS
Nonstop1h 46mAmerican Airlines
mar. 10/74:41 pmTYS - DCA
Nonstop1h 36mAmerican Airlines
Deal found 9/15$194
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/288:19 amDCA - TYS
Nonstop1h 54mAmerican Airlines
vie. 10/314:41 pmTYS - DCA
Nonstop1h 36mAmerican Airlines
Deal found 9/15$205
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/258:59 amDCA - TYS
1 stop5h 52mDelta
lun. 10/278:10 pmTYS - DCA
1 stop3h 31mDelta
Deal found 9/16$209
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/46:20 pmDCA - TYS
1 stop5h 24mDelta
mar. 10/72:55 pmTYS - DCA
1 stop5h 38mDelta
Deal found 9/15$214

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia to Knoxville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 17, 2025.
Use the filters below to find and compare flights from District of Columbia to Knoxville that are best for you.

Fly from

District of Columbia

Fly to

Knoxville

Route

Depart

Return

Price

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

sáb. 11/1

2:56 pm-4:44 pm

Nonstop1h 48m

Knoxville McGhee Tyson

sáb. 11/8

6:06 am-7:49 am

Nonstop1h 43m

$189

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

vie. 10/3

7:58 pm-9:41 pm

Nonstop1h 43m

Knoxville McGhee Tyson

jue. 10/9

4:41 pm-6:17 pm

Nonstop1h 36m

$194

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

mar. 10/28

10:15 pm-11:59 pm

Nonstop1h 44m

Knoxville McGhee Tyson

vie. 10/31

9:50 am-11:33 am

Nonstop1h 43m

$205

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

mié. 10/29

6:05 am-11:04 am

1 stop4h 59m

Knoxville McGhee Tyson

sáb. 11/1

5:16 pm-11:20 pm

1 stop6h 04m

$209

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

sáb. 10/25

6:05 am-11:04 am

1 stop4h 59m

Knoxville McGhee Tyson

lun. 10/27

8:10 pm-12:12 am

1 stop4h 02m

$209

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

sáb. 11/1

5:22 pm-9:13 pm

1 stop3h 51m

Knoxville McGhee Tyson

sáb. 11/8

2:41 pm-6:33 pm

1 stop3h 52m

$209

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

mar. 11/4

8:59 am-2:51 pm

1 stop5h 52m

Knoxville McGhee Tyson

sáb. 11/8

2:41 pm-6:33 pm

1 stop3h 52m

$209

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

sáb. 10/25

10:20 am-2:51 pm

1 stop4h 31m

Knoxville McGhee Tyson

lun. 10/27

8:10 pm-11:41 pm

1 stop3h 31m

$209

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

sáb. 10/4

5:25 pm-11:44 pm

1 stop6h 19m

Knoxville McGhee Tyson

mar. 10/7

2:55 pm-7:26 pm

1 stop4h 31m

$214

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

sáb. 10/4

6:20 pm-11:44 pm

1 stop5h 24m

Knoxville McGhee Tyson

mar. 10/7

5:44 am-9:10 am

1 stop3h 26m

$214

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 45 results
1
2
3
...
5

Best time to book a flight from District of Columbia to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from District of Columbia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Knoxville

What is the cheapest month to book a flight from District of Columbia to Knoxville?

Currently, January is the cheapest month in which you can book a flight from District of Columbia to Knoxville (average of $295). Flying from District of Columbia to Knoxville in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DC to TYS?

Find hourly flight availability from District of Columbia to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from District of Columbia to Knoxville as you normally would.

Weekly flight availability from District of Columbia to Knoxville

Explore weekly flight availability from District of Columbia to Knoxville. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated septiembre 17, 2025.

The most flights from USDC to TYS are scheduled on a Monday (16 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (13 on average).

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Knoxville from District of Columbia?

    Most people fly into Knoxville McGhee Tyson (TYS) if they book a flight to Knoxville from District of Columbia. McGhee Tyson is conveniently located just 11.3 mi from Knoxville’s city center.

  • How long is the flight from District of Columbia to Knoxville?

    A quick flight from District of Columbia to Knoxville can take about 1h 44m. American Airlines provides one of the quickest options available for as low as $205. District of Columbia and Knoxville are separated by a distance of 419 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from District of Columbia to Knoxville one-way?

    The cheapest airlines for a one-way flight from District of Columbia to Knoxville are Allegiant Air ($53), United Airlines ($116), and American Airlines ($116).

  • What are the most reliable airlines from District of Columbia to Knoxville?

    Before booking your flight to Knoxville from District of Columbia, check out the most reliable airlines to get you to your destination on time: Allegiant Air (92%), Ethiopian Air (77%), CommutAir( 77%).

  • What are the cheapest flights from District of Columbia to Knoxville?

    While on average a flight from District of Columbia to Knoxville is generally $182, our data shows the cheapest flight currently is $43. When looking at the most popular route, (Washington, D.C. Reagan-National - Knoxville McGhee Tyson), you can expect to pay $209 for that flight.

  • Can I find deals for flights from District of Columbia to Knoxville that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Knoxville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Knoxville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Knoxville.

  • Can I find deals for business class flights from District of Columbia to Knoxville?

    Yes. Cheapflights offers flight deals from District of Columbia to Knoxville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from District of Columbia to Knoxville?

    Currently, January is the cheapest month in which you can book a flight from District of Columbia to Knoxville (average of $295). Flying from District of Columbia to Knoxville in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Morristown
Cherokee
Corbin
Alcoa
Oak Ridge
Murphy

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for District of Columbia to Knoxville

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Nashville flights
LaGuardia to Nashville flights
Newark to Nashville flights
Boston to Nashville flights
Los Angeles to Nashville flights
Seattle to Nashville flights
Dallas/Fort Worth to Nashville flights
O'Hare Intl to Nashville flights
Reagan-National to Nashville flights
San Francisco to Nashville flights
Denver to Nashville flights
Dulles Intl to Nashville flights
Hobby to Nashville flights
Raleigh to Nashville flights
Philadelphia to Nashville flights
Fort Lauderdale to Nashville flights
Ontario to Nashville flights
Minneapolis to Nashville flights
Baltimore to Nashville flights
George Bush Intcntl to Nashville flights
Santa Ana to Nashville flights
Providence to Nashville flights
LaGuardia to Memphis flights
Miami to Nashville flights
Sky Harbor Intl to Nashville flights
Burbank to Nashville flights
Newark to Memphis flights
Orlando to Nashville flights
Tampa to Nashville flights
John F Kennedy Intl to Memphis flights
LaGuardia to Knoxville flights
Charlotte to Nashville flights
Portland to Nashville flights
Cleveland to Nashville flights
Hartford to Nashville flights
Midway to Nashville flights
Love Field to Nashville flights
Dallas/Fort Worth to Memphis flights
Detroit to Nashville flights
John F Kennedy Intl to Knoxville flights
O'Hare Intl to Knoxville flights
O'Hare Intl to Memphis flights
Austin to Nashville flights
Pittsburgh to Nashville flights
San Diego to Nashville flights
Reagan-National to Knoxville flights
Dallas/Fort Worth to Knoxville flights
Milwaukee to Nashville flights
Salt Lake City to Nashville flights
Hobby to Memphis flights

Top 4 airlines flying from District of Columbia to Knoxville

Discover the top 4 airlines that operate flights from District of Columbia to Knoxville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$42Average$99FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$189Average$370FlexibilityNo cancel feeOn-time69%
DeltaCheapest$198Average$298FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$199Average$326FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.