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District of Columbia

$46+ 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — IAD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This Super.com deal was found by Cheapflights users on 12/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:01 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Sat 1/34:57 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 12/10$86
This Super.com deal was found by Cheapflights users on 12/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/185:42 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Wed 12/242:35 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 12/10$105
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/259:50 amTYS - IAD
Nonstop1h 44mUnited Airlines
Tue 12/305:55 pmIAD - TYS
Nonstop1h 56mUnited Airlines
Deal found 12/9$204
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 12/3112:01 pmTYS - IAD
Nonstop1h 44mMultiple Airlines
Sat 1/310:15 pmIAD - TYS
2 stops33h 48mMultiple Airlines
Deal found 12/10$205
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/259:50 amTYS - IAD
Nonstop1h 44mUnited Airlines
Mon 12/2912:55 pmIAD - TYS
Nonstop1h 53mUnited Airlines
Deal found 12/10$219
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/254:28 pmTYS - DCA
Nonstop1h 38mAmerican Airlines
Tue 12/302:54 pmDCA - TYS
Nonstop1h 44mAmerican Airlines
Deal found 12/10$219
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 12/199:25 pmTYS - IAD
2 stops20h 51mMultiple Airlines
Sun 12/218:16 pmIAD - TYS
Nonstop1h 40mMultiple Airlines
Deal found 12/10$244
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Mon 12/229:50 amTYS - IAD
Nonstop1h 44mUnited Airlines
Thu 12/2510:10 pmIAD - TYS
Nonstop1h 49mUnited Airlines
Deal found 12/11$249
This Delta deal was found by Cheapflights users on 12/10. 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.
Sun 12/216:00 amTYS - IAD
1 stop3h 46mDelta
Sat 1/108:00 amIAD - TYS
1 stop5h 50mDelta
Deal found 12/10$254
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 12/2412:01 pmTYS - IAD
Nonstop1h 44mMultiple Airlines
Sun 12/289:58 pmIAD - TYS
1 stop12h 17mMultiple Airlines
Deal found 12/10$258
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/254:28 pmTYS - DCA
Nonstop1h 38mAmerican Airlines
Mon 12/291:44 pmDCA - TYS
1 stop6h 59mAmerican Airlines
Deal found 12/10$259
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/305:45 amTYS - IAD
Nonstop1h 45mUnited Airlines
Fri 1/25:55 pmIAD - TYS
Nonstop1h 56mUnited Airlines
Deal found 12/10$264

Find 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 December 12, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$80
(Booking.com)

One-way from

$46
(Super.com)

Popular in

September

Cheapest in

November

Average price

$264

Good round-trip deal

$279 or less

Good one-way deal

$208 or less
Provider with most accurate pricing for Knoxville McGhee Tyson-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Washington, D.C. (WAS) flights.
Search Deals
From Knoxville McGhee Tyson to District of Columbia
Search Deals
One-way flight from Knoxville McGhee Tyson to District of Columbia
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 ($6 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 Knoxville McGhee Tyson to District of Columbia.
Search Deals
Price to beat on a one-way flight from Knoxville McGhee Tyson to District of Columbia.
Search Deals

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 December 12, 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

Wed 1/28

9:30 am-11:21 am

Nonstop1h 51m

Washington, D.C. Dulles Intl

Wed 2/4

5:30 pm-7:27 pm

Nonstop1h 57m

$189

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Fri 2/13

11:16 am-12:59 pm

Nonstop1h 43m

Washington, D.C. Reagan-National

Sun 2/15

7:59 pm-9:52 pm

Nonstop1h 53m

$189

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Thu 1/15

2:17 pm-3:59 pm

Nonstop1h 42m

Washington, D.C. Reagan-National

Thu 1/22

8:47 am-10:49 am

Nonstop2h 02m

$189

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Wed 1/21

11:19 am-12:59 pm

Nonstop1h 40m

Washington, D.C. Reagan-National

Sun 1/25

7:47 pm-9:44 pm

Nonstop1h 57m

$189

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Wed 2/25

11:16 am-12:59 pm

Nonstop1h 43m

Washington, D.C. Reagan-National

Sat 2/28

9:00 am-10:58 am

Nonstop1h 58m

$189

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Thu 1/15

7:26 pm-8:38 am

3 stops37h 12m

Washington, D.C. Dulles Intl

Thu 1/22

4:13 pm-5:53 pm

Nonstop1h 40m

$197

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Fri 12/26

5:45 am-7:30 am

Nonstop1h 45m

Washington, D.C. Dulles Intl

Thu 1/1

9:00 am-10:56 am

Nonstop1h 56m

$204

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Thu 12/25

9:50 am-11:34 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Tue 12/30

5:55 pm-7:51 pm

Nonstop1h 56m

$204

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Thu 1/22

5:40 am-9:13 am

1 stop3h 33m

Washington, D.C. Dulles Intl

Sat 1/24

7:15 am-11:08 am

1 stop3h 53m

$209

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Wed 1/7

4:06 pm-8:37 pm

1 stop4h 31m

Washington, D.C. Dulles Intl

Wed 1/14

9:00 am-3:19 pm

1 stop6h 19m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 40 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, October is the cheapest month in which you can book a flight from Knoxville to District of Columbia (average of $44). Flying from Knoxville to District of Columbia in April is currently the most expensive (average of $213). 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 December 12, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 44% on flights from Knoxville to District of Columbia by exploring options for tickets in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Knoxville to District of Columbia. Price data was last updated on December 6, 2025.

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

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 December 12, 2025.

The most flights from TYS to USDC are scheduled on a Thursday (16 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 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 December 12, 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.
Delta
7.9
Good
8,007 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,050 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Allegiant Air
7.2
Good
699 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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, American Airlines, and Delta fly from Knoxville to District of Columbia in about 1h 43m. The time it takes to get you to your destination can typically vary by up to 1h 50m. 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 cheapest airlines to fly from Knoxville to District of Columbia one-way?

    One-way options have recently been found by users for as low as $40 on Allegiant Air. Other airlines that offer cheap prices include American Airlines from $89 and United Airlines from $115 one-way.

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

    Consider Ethiopian Air (92%), Allegiant Air (91%) or Lufthansa (90%) 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 $1,095, our data shows the cheapest flight currently is $43. When looking at the most popular route, (Knoxville McGhee Tyson - Washington, D.C. Reagan-National), you can expect to pay $209 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, October is the cheapest month in which you can book a flight from Knoxville to District of Columbia (average of $44). Flying from Knoxville to District of Columbia in April is currently the most expensive (average of $213). 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.

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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$44Average$90FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$189Average$305FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$194Average$339FlexibilityNo cancel feeOn-time69%
DeltaCheapest$228Average$292FlexibilityNo cancel feeOn-timeN/A

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