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$41+ 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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — TYS
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

This Trip.com deal was found by Cheapflights users on 10/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/208:23 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Sun 11/235:49 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 10/29$95
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Wed 12/242:35 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Wed 12/3112:01 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 10/29$98
This Flightnetwork deal was found by Cheapflights users on 10/28. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:56 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Fri 11/146:42 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 10/28$107
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Mon 11/31:34 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Fri 11/76:12 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 10/28$116
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Fri 10/313:53 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Fri 11/76:12 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 10/28$130
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Thu 11/208:23 pmIAD - TYS
Nonstop1h 40mMultiple Airlines
Sun 11/2312:59 pmTYS - IAD
1 stop18h 46mMultiple Airlines
Deal found 10/29$139
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Mon 11/107:56 pmIAD - TYS
Nonstop1h 40mMultiple Airlines
Fri 11/149:38 pmTYS - IAD
1 stop22h 13mMultiple Airlines
Deal found 10/29$143
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 11/201:59 pmDCA - TYS
Nonstop1h 49mAmerican Airlines
Sun 11/236:06 amTYS - DCA
Nonstop1h 43mAmerican Airlines
Deal found 10/29$189
This Delta deal was found by Cheapflights users on 10/30. 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.
Thu 12/412:37 pmDCA - TYS
1 stop6h 15mDelta
Sun 12/77:59 pmTYS - DCA
1 stop3h 41mDelta
Deal found 10/30$209
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Sat 11/158:57 amDCA - TYS
Nonstop1h 55mAmerican Airlines
Tue 11/186:06 amTYS - DCA
Nonstop1h 43mAmerican Airlines
Deal found 10/29$219
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 12/105:00 amDCA - TYS
1 stop4h 54mAmerican Airlines
Tue 12/164:32 pmTYS - DCA
Nonstop1h 38mAmerican Airlines
Deal found 10/29$220
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 11/218:57 amDCA - TYS
Nonstop1h 55mAmerican Airlines
Sun 11/235:03 pmTYS - DCA
Nonstop1h 41mAmerican Airlines
Deal found 10/30$234

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$95
(Trip.com)

One-way from

$41
(Trip.com)

Popular in

February

Cheapest in

August

Average price

$309

Good round-trip deal

$133 or less

Good one-way deal

$50 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Knoxville McGhee Tyson flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Knoxville McGhee Tyson flights.
Search Deals
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. 3% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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.
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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 October 30, 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

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Thu 11/20

8:23 pm-10:03 pm

Nonstop1h 40m

Knoxville McGhee Tyson

Sun 11/23

5:49 pm-7:33 pm

Nonstop1h 44m

$95

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Fri 11/14

10:14 am-10:17 pm

1 stop12h 03m

Knoxville McGhee Tyson

Mon 11/17

2:22 pm-4:06 pm

Nonstop1h 44m

$141

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Mon 11/10

11:14 am-4:32 pm

1 stop5h 18m

Knoxville McGhee Tyson

Fri 11/14

6:42 pm-8:26 pm

Nonstop1h 44m

$166

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Fri 11/14

8:36 pm-1:01 pm

2 stops16h 25m

Knoxville McGhee Tyson

Mon 11/17

2:22 pm-4:06 pm

Nonstop1h 44m

$174

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Thu 3/19

3:55 pm-5:35 pm

Nonstop1h 40m

Knoxville McGhee Tyson

Sun 3/22

1:21 pm-3:05 pm

Nonstop1h 44m

$181

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Tue 11/25

12:55 pm-2:43 pm

Nonstop1h 48m

Knoxville McGhee Tyson

Tue 12/2

5:45 am-7:28 am

Nonstop1h 43m

$189

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Thu 11/20

8:57 am-10:52 am

Nonstop1h 55m

Knoxville McGhee Tyson

Sun 11/23

6:06 am-7:49 am

Nonstop1h 43m

$189

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Sat 11/22

10:15 pm-11:59 pm

Nonstop1h 44m

Knoxville McGhee Tyson

Tue 11/25

5:45 am-7:28 am

Nonstop1h 43m

$189

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Fri 11/21

10:15 pm-11:59 pm

Nonstop1h 44m

Knoxville McGhee Tyson

Sun 11/23

2:25 pm-4:08 pm

Nonstop1h 43m

$195

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Wed 12/10

6:00 am-9:38 am

1 stop3h 38m

Knoxville McGhee Tyson

Tue 12/16

2:37 pm-6:21 pm

1 stop3h 44m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 39 results
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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, August is the cheapest month in which you can book a flight from District of Columbia to Knoxville (average of $46). Flying from District of Columbia to Knoxville in March is currently the most expensive (average of $229). 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 October 30, 2025.

It’s typically best to fly out from District of Columbia to Knoxville in the afternoon. Doing so could potentially save you 22% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from District of Columbia to Knoxville?

Use this chart to determine the cheapest time to fly round-trip from District of Columbia to Knoxville. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their District of Columbia to Knoxville flight should consider departing on Sunday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 40m. Allegiant Air provides one of the quickest options available for as low as $95. 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 ($41), Frontier ($85), and Delta ($126).

  • 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: CommutAir (89%), United Airlines (89%), Ethiopian Air( 89%).

  • 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 $40. 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, August is the cheapest month in which you can book a flight from District of Columbia to Knoxville (average of $46). Flying from District of Columbia to Knoxville in March is currently the most expensive (average of $229). 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
Crossville
Corbin
Bryson City
Alcoa
Oak Ridge
Murphy

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$42Average$97FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$187Average$361FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$189Average$327FlexibilityNo cancel feeOn-time71%
DeltaCheapest$198Average$298FlexibilityNo cancel feeOn-timeN/A

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