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$39+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — TYS
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap 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 December 23, 2025.

This United Airlines deal was found by Cheapflights users on 12/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:55 pmIAD - TYS
Nonstop1h 56mUnited Airlines
Mon 1/59:50 amTYS - IAD
Nonstop1h 44mUnited Airlines
Deal found 12/22$238
This United Airlines deal was found by Cheapflights users on 12/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:55 pmIAD - TYS
Nonstop1h 56mUnited Airlines
Sun 12/285:45 amTYS - IAD
Nonstop1h 45mUnited Airlines
Deal found 12/21$268
This American Airlines deal was found by Cheapflights users on 12/22. 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 12/312:54 pmDCA - TYS
Nonstop1h 44mAmerican Airlines
Mon 1/55:40 pmTYS - DCA
1 stop5h 19mAmerican Airlines
Deal found 12/22$278
This American Airlines deal was found by Cheapflights users on 12/22. 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 12/314:29 pmIAD - TYS
1 stop5h 29mAmerican Airlines
Mon 1/55:40 pmTYS - IAD
1 stop6h 24mAmerican Airlines
Deal found 12/22$288
This United Airlines deal was found by Cheapflights users on 12/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:55 pmIAD - TYS
Nonstop1h 53mUnited Airlines
Sat 12/275:45 amTYS - IAD
Nonstop1h 45mUnited Airlines
Deal found 12/21$290
This United Airlines deal was found by Cheapflights users on 12/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:55 pmIAD - TYS
Nonstop1h 56mUnited Airlines
Tue 12/305:45 amTYS - IAD
Nonstop1h 45mUnited Airlines
Deal found 12/22$301
This Kiwi.com deal was found by Cheapflights users on 12/22. 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 40mMultiple Airlines
Mon 12/296:00 amTYS - IAD
2 stops9h 10mMultiple Airlines
Deal found 12/22$305
This United Airlines deal was found by Cheapflights users on 12/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:55 pmIAD - TYS
Nonstop1h 56mUnited Airlines
Sun 12/282:00 pmTYS - IAD
Nonstop1h 44mUnited Airlines
Deal found 12/22$323
This American Airlines deal was found by Cheapflights users on 12/21. 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 12/312:54 pmDCA - TYS
Nonstop1h 44mAmerican Airlines
Sat 1/34:28 pmTYS - DCA
Nonstop1h 38mAmerican Airlines
Deal found 12/21$324
This United Airlines deal was found by Cheapflights users on 12/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:10 pmIAD - TYS
Nonstop1h 49mUnited Airlines
Mon 12/295:45 amTYS - IAD
Nonstop1h 45mUnited Airlines
Deal found 12/22$328
This United Airlines deal was found by Cheapflights users on 12/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:55 pmIAD - TYS
Nonstop1h 53mUnited Airlines
Fri 12/2611:00 amTYS - IAD
1 stop5h 24mUnited Airlines
Deal found 12/22$333
This American Airlines deal was found by Cheapflights users on 12/22. 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 12/251:44 pmDCA - TYS
1 stop4h 23mAmerican Airlines
Fri 12/267:00 amTYS - DCA
1 stop3h 57mAmerican Airlines
Deal found 12/22$343

Find 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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$100
(Kiwi.com)

One-way from

$39
(Kiwi.com)

Popular in

February

Cheapest in

August

Average price

$283

Good round-trip deal

$133 or less

Good one-way deal

$54 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. 6% potential increase in price ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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

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 December 23, 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 1/8

4:13 pm-5:53 pm

Nonstop1h 40m

Knoxville McGhee Tyson

Sat 1/17

8:30 am-8:18 pm

1 stop11h 48m

$159

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Wed 2/11

9:00 am-10:57 am

Nonstop1h 57m

Knoxville McGhee Tyson

Tue 2/17

7:25 pm-9:11 pm

Nonstop1h 46m

$163

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Sat 2/14

2:05 pm-3:58 pm

Nonstop1h 53m

Knoxville McGhee Tyson

Wed 2/18

4:28 pm-6:16 pm

Nonstop1h 48m

$173

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Sat 2/14

1:20 pm-3:15 pm

Nonstop1h 55m

Knoxville McGhee Tyson

Wed 2/18

9:40 am-11:26 am

Nonstop1h 46m

$173

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Sat 2/14

2:05 pm-3:58 pm

Nonstop1h 53m

Knoxville McGhee Tyson

Tue 2/17

4:28 pm-6:16 pm

Nonstop1h 48m

$173

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Sat 2/14

1:20 pm-3:15 pm

Nonstop1h 55m

Knoxville McGhee Tyson

Tue 2/17

7:25 pm-9:11 pm

Nonstop1h 46m

$173

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Sat 2/14

7:15 am-11:08 am

1 stop3h 53m

Knoxville McGhee Tyson

Wed 2/18

5:35 am-9:13 am

1 stop3h 38m

$193

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Wed 1/21

6:00 am-11:08 am

1 stop5h 08m

Knoxville McGhee Tyson

Sun 1/25

5:40 am-9:13 am

1 stop3h 33m

$196

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Fri 1/9

8:47 am-10:49 am

Nonstop2h 02m

Knoxville McGhee Tyson

Sat 1/17

11:19 am-12:59 pm

Nonstop1h 40m

$201

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Fri 1/9

12:55 pm-2:49 pm

Nonstop1h 54m

Knoxville McGhee Tyson

Sat 1/17

9:30 am-11:21 am

Nonstop1h 51m

$201

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 37 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 February is currently the most expensive (average of $217). 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 December 23, 2025.

It’s typically best to fly out from District of Columbia to Knoxville in the evening. Doing so could potentially save you 26% 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 Wednesday evenings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 23, 2025.

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

How much does it cost to fly round-trip from District of Columbia to Knoxville?

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 53m. United Airlines provides one of the quickest options available for as low as $173. District of Columbia and Knoxville are separated by a distance of 436 mi. Most flights are nonstop.

  • 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 ($36), Delta ($109), and United Airlines ($115).

  • 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 (79%), United Airlines (79%), Allegiant Air( 78%).

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

    While on average a flight from District of Columbia to Knoxville is generally $168, our data shows the cheapest flight currently is $40. When looking at the most popular route, (Washington, D.C. Dulles Intl - Knoxville McGhee Tyson), you can expect to pay $71 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 February is currently the most expensive (average of $217). 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
Cherokee
Crossville
Corbin
Morristown
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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$51Average$91FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$187Average$366FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$189Average$317FlexibilityNo cancel feeOn-time71%
DeltaCheapest$208Average$281FlexibilityNo cancel feeOn-timeN/A

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