District of Columbia

$40+ Cheap flights from Knoxville (TYS) to District of Columbia

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.
TYS — IAD
Aug 25 — Sep 11
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Cheap flight deals from Knoxville to District of Columbia

Keep the following information in mind while searching for Knoxville to District of Columbia flight deals. Data was last updated August 20, 2025.

Round-trip from

$149
(Kiwi.com)

One-way from

$40
(Mytrip)

Popular in

November

Cheapest in

July

Average price

$254

Good round-trip deal

$228 or less

Good one-way deal

$180 or less
From Knoxville McGhee Tyson to District of Columbia
One-way flight from Knoxville McGhee Tyson to District of Columbia
Highest demand for flights based on searches. 5% potential increase in price ($15 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from Knoxville McGhee Tyson to District of Columbia.
Price to beat on a one-way flight from Knoxville McGhee Tyson to District of Columbia.

Find flight deals from Knoxville to District of Columbia

Cheapest flights from Knoxville to District of Columbia
Explore the most affordable flight options available from Knoxville to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This Gotogate deal was found by Cheapflights users on 8/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2912:45 pmTYS - IAD
Nonstop1h 38mAllegiant Air
Mon 9/13:13 pmIAD - TYS
Nonstop1h 34mAllegiant Air
Deal found 8/19$120
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 11/76:12 pmTYS - IAD
Nonstop1h 44mMultiple Airlines
Sun 11/98:36 pmIAD - TYS
1 stop26h 38mMultiple Airlines
Deal found 8/18$149
This Delta deal was found by Cheapflights users on 8/19. 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.
Wed 9/175:45 amTYS - IAD
1 stop3h 24mDelta
Wed 9/246:00 amIAD - TYS
1 stop4h 56mDelta
Deal found 8/19$189
This American Airlines deal was found by Cheapflights users on 8/19. 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 10/245:08 pmTYS - DCA
Nonstop1h 37mAmerican Airlines
Mon 10/278:19 amDCA - TYS
Nonstop1h 54mAmerican Airlines
Deal found 8/19$189
This American Airlines deal was found by Cheapflights users on 8/18. 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 9/66:25 amTYS - DCA
Nonstop1h 49mAmerican Airlines
Mon 9/88:30 amDCA - TYS
Nonstop2h 07mAmerican Airlines
Deal found 8/18$194
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Tue 9/29:55 amTYS - IAD
Nonstop1h 43mUnited Airlines
Sat 9/612:55 pmIAD - TYS
Nonstop1h 45mUnited Airlines
Deal found 8/18$199
This American Airlines deal was found by Cheapflights users on 8/18. 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.
Tue 9/25:12 pmTYS - DCA
Nonstop1h 40mAmerican Airlines
Sat 9/61:55 pmDCA - TYS
Nonstop1h 46mAmerican Airlines
Deal found 8/18$199
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/188:30 amTYS - IAD
1 stop9h 54mMultiple Airlines
Thu 9/257:11 pmIAD - TYS
1 stop26h 31mMultiple Airlines
Deal found 8/19$204
This FlightHub deal was found by Cheapflights users on 8/18. 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.
Mon 9/158:35 pmTYS - DCA
1 stop20h 24mFrontier
Mon 9/227:00 amDCA - TYS
1 stop12h 45mFrontier
Deal found 8/18$204
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/268:30 amTYS - IAD
1 stop9h 49mMultiple Airlines
Mon 9/297:14 pmIAD - TYS
1 stop15h 21mMultiple Airlines
Deal found 8/18$207
This Delta deal was found by Cheapflights users on 8/18. 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.
Fri 9/266:08 pmTYS - IAD
1 stop6h 05mDelta
Mon 9/297:22 pmIAD - TYS
1 stop4h 22mDelta
Deal found 8/18$209
This Delta deal was found by Cheapflights users on 8/18. 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 9/256:08 pmTYS - DCA
1 stop5h 34mDelta
Sun 9/286:00 amDCA - TYS
1 stop5h 41mDelta
Deal found 8/18$209

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to District of Columbia 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 August 20, 2025.
Use the filters below to find and compare flights from Knoxville to District of Columbia that are best for you.

Fly from

Knoxville

Fly to

District of Columbia

Route

Depart

Return

Price

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Fri 11/7

6:12 pm-7:56 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sun 11/9

8:36 pm-11:14 pm

1 stop26h 38m

$149

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Sat 9/20

5:45 am-7:28 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

Wed 9/24

8:45 am-10:28 am

Nonstop1h 43m

$189

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Fri 10/24

3:48 pm-9:31 pm

1 stop5h 43m

Washington, D.C. Dulles Intl

Mon 10/27

7:35 pm-11:46 pm

1 stop4h 11m

$189

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Fri 9/19

11:07 am-12:44 pm

Nonstop1h 37m

Washington, D.C. Reagan-National

Wed 9/24

2:59 pm-4:49 pm

Nonstop1h 50m

$189

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Wed 9/17

5:45 am-9:09 am

1 stop3h 24m

Washington, D.C. Dulles Intl

Wed 9/24

6:00 am-10:56 am

1 stop4h 56m

$189

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Thu 11/6

5:45 am-7:28 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sun 11/9

9:00 am-10:48 am

Nonstop1h 48m

$189

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Sat 10/11

6:03 am-7:45 am

Nonstop1h 42m

Washington, D.C. Reagan-National

Mon 10/13

8:24 pm-10:09 pm

Nonstop1h 45m

$189

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Fri 9/26

6:08 pm-9:39 pm

1 stop3h 31m

Washington, D.C. Dulles Intl

Sun 9/28

6:00 am-9:44 am

1 stop3h 44m

$189

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Wed 9/17

7:25 pm-9:08 pm

Nonstop1h 43m

Washington, D.C. Dulles Intl

Wed 9/24

8:45 am-10:28 am

Nonstop1h 43m

$189

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Wed 10/29

5:08 pm-6:45 pm

Nonstop1h 37m

Washington, D.C. Reagan-National

Sun 11/2

7:48 pm-9:31 pm

Nonstop1h 43m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 37 results
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Best time to book a flight from Knoxville to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Knoxville 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 Knoxville to District of Columbia

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

Currently, July is the cheapest month in which you can book a flight from Knoxville to District of Columbia (average of $303). Flying from Knoxville to District of Columbia in April is currently the most expensive (average of $337). 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 TYS to DC?

Find hourly flight availability from Knoxville to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 20, 2025.

When flying from Knoxville to District of Columbia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Knoxville to District of Columbia

Explore weekly flight availability from Knoxville to District of Columbia. 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 August 20, 2025.

The most flights from TYS to USDC 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 (12 on average).

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to District of Columbia. Reviews last updated August 20, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Knoxville to District of Columbia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Knoxville to District of Columbia. 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 from for flights from Knoxville to District of Columbia?

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

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

    Airlines like United Airlines, Delta, and American Airlines fly from Knoxville to District of Columbia in about 1h 37m. The time it takes to get you to your destination can typically vary by up to 4h 06m. The distance from Knoxville to District of Columbia is about 436 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Consider Ethiopian Air (95%), Allegiant Air (83%) or Copa Airlines (78%) when booking your flight. These represent the most reliable airlines when flying from Knoxville to District of Columbia.

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

    While on average a flight from Knoxville to District of Columbia is generally $1,468, our data shows the cheapest flight currently is $40. When looking at the most popular route, (Knoxville McGhee Tyson - Washington, D.C. Dulles Intl), you can expect to pay $73 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Knoxville to District of Columbia 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 Knoxville to District of Columbia?

    Currently, July is the cheapest month in which you can book a flight from Knoxville to District of Columbia (average of $303). Flying from Knoxville to District of Columbia in April is currently the most expensive (average of $337). 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

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Alternative routes for Knoxville to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Knoxville to District of Columbia

Discover the top 4 airlines that operate flights from Knoxville to District of Columbia. 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$42Average$83FlexibilityNo cancel feeOn-time88%
DeltaCheapest$132Average$253FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$189Average$311FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$219Average$333FlexibilityNo cancel feeOn-time69%

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