HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
District of Columbia

$39+ 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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — IAD
Dec 12 — Dec 191
Fri 12/12
Fri 12/19
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Knoxville to District of Columbia 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.

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 November 12, 2025.

This Mytrip deal was found by Cheapflights users on 11/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/172:22 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Sun 11/238:23 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 11/12$113
This Flightnetwork deal was found by Cheapflights users on 11/10. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:42 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Mon 11/174:56 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 11/10$147
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Tue 11/2512:24 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Sat 11/293:04 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 11/10$149
This eDestinos deal was found by Cheapflights users on 11/12. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/44:52 pmTYS - IAD
2 stops27h 32mMultiple Airlines
Sun 12/77:57 pmIAD - TYS
Nonstop1h 40mMultiple Airlines
Deal found 11/12$156
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Wed 12/37:25 pmTYS - IAD
Nonstop1h 43mUnited Airlines
Tue 12/912:55 pmIAD - TYS
Nonstop1h 48mUnited Airlines
Deal found 11/9$163
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/55:34 pmTYS - IAD
1 stop26h 50mMultiple Airlines
Sun 12/77:57 pmIAD - TYS
Nonstop1h 40mMultiple Airlines
Deal found 11/11$165
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Thu 11/205:49 pmTYS - IAD
Nonstop1h 44mMultiple Airlines
Mon 12/18:40 amIAD - TYS
1 stop7h 09mMultiple Airlines
Deal found 11/10$177
This United Airlines deal was found by Cheapflights users on 11/12. 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 12/107:25 pmTYS - IAD
Nonstop1h 43mUnited Airlines
Wed 12/179:00 amIAD - TYS
Nonstop1h 48mUnited Airlines
Deal found 11/12$183
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Tue 11/2512:24 pmTYS - IAD
Nonstop1h 44mMultiple Airlines
Fri 11/288:35 amIAD - TYS
1 stop10h 44mMultiple Airlines
Deal found 11/10$184
This American Airlines deal was found by Cheapflights users on 11/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/94:32 pmTYS - DCA
Nonstop1h 38mAmerican Airlines
Tue 12/167:48 pmDCA - TYS
Nonstop1h 48mAmerican Airlines
Deal found 11/11$184
This American Airlines deal was found by Cheapflights users on 11/10. 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 12/46:00 amTYS - DCA
Nonstop1h 48mAmerican Airlines
Sun 12/79:06 amDCA - TYS
Nonstop1h 47mAmerican Airlines
Deal found 11/10$186
This American Airlines deal was found by Cheapflights users on 11/10. 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
Thu 1/12:54 pmDCA - TYS
Nonstop1h 44mAmerican Airlines
Deal found 11/10$188

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 November 12, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$153
(eDestinos)

One-way from

$39
(Kiwi.com)

Popular in

September

Cheapest in

November

Average price

$209

Good round-trip deal

$254 or less

Good one-way deal

$208 or less
Provider with most accurate pricing for Knoxville McGhee Tyson-Washington, D.C. (WAS) flight deals.
Search Deals
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. 5% potential increase in price ($16 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 November 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 November 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 12/3

7:25 pm-9:08 pm

Nonstop1h 43m

Washington, D.C. Dulles Intl

Tue 12/9

12:55 pm-2:43 pm

Nonstop1h 48m

$163

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Thu 2/12

7:25 pm-9:11 pm

Nonstop1h 46m

Washington, D.C. Dulles Intl

Sat 2/14

1:20 pm-3:15 pm

Nonstop1h 55m

$183

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Mon 3/2

7:25 pm-9:11 pm

Nonstop1h 46m

Washington, D.C. Dulles Intl

Wed 3/4

9:00 am-10:49 am

Nonstop1h 49m

$183

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Fri 2/13

11:34 am-1:15 pm

Nonstop1h 41m

Washington, D.C. Reagan-National

Sat 2/14

8:48 am-11:03 am

Nonstop2h 15m

$186

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Thu 12/25

4:28 pm-6:06 pm

Nonstop1h 38m

Washington, D.C. Reagan-National

Wed 12/31

2:54 pm-4:38 pm

Nonstop1h 44m

$186

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Fri 2/6

7:20 pm-9:12 pm

Nonstop1h 52m

Washington, D.C. Dulles Intl

Mon 2/9

12:55 pm-2:49 pm

Nonstop1h 54m

$186

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Fri 2/13

5:49 am-7:34 am

Nonstop1h 45m

Washington, D.C. Reagan-National

Sun 2/15

9:05 am-11:15 am

Nonstop2h 10m

$189

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Fri 12/5

6:00 am-7:48 am

Nonstop1h 48m

Washington, D.C. Reagan-National

Sun 12/7

9:06 am-10:53 am

Nonstop1h 47m

$189

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Fri 12/5

7:25 pm-9:08 pm

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sun 12/7

9:00 am-10:48 am

Nonstop1h 48m

$189

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Thu 4/16

9:40 am-11:24 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Tue 4/28

9:00 am-10:49 am

Nonstop1h 49m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 40 results
1
2
3
4

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 November 12, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 31% on flights from Knoxville to District of Columbia by exploring options for tickets in the morning.

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 November 2, 2025.

Travelers seeking maximum savings on their Knoxville to District of Columbia flight should consider departing on Friday 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 November 12, 2025.

The most flights from TYS to USDC are scheduled on a Monday (18 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (17 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 November 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
8,009 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.1

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
8,009 reviews
Delta
7.9
Good
8,009 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.1

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
9,015 reviews
Delta
7.9
Good
8,009 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.1

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
8,009 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.1

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
698 reviews
Delta
7.9
Good
8,009 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.1

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 and American Airlines fly from Knoxville to District of Columbia in about 1h 41m. The time it takes to get you to your destination is usually consistent. The distance from Knoxville to District of Columbia is about 436 mi. Most flights are nonstop.

  • 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 $39 on Allegiant Air. Other airlines that offer cheap prices include United Airlines from $92 and Delta from $92 one-way.

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

    Consider CommutAir (93%), United Airlines (93%) or Copa Airlines (93%) 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 $1,493, our data shows the cheapest flight currently is $46. When looking at the most popular route, (Knoxville McGhee Tyson - Washington, D.C. Dulles Intl), you can expect to pay $79 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.

See more FAQs

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 Knoxville to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
Nashville to John F Kennedy Intl flights
Nashville to LaGuardia flights
Nashville to Newark flights
Memphis to John F Kennedy Intl flights
Memphis to LaGuardia flights
Nashville to Las Vegas flights
Nashville to Denver flights
Nashville to Los Angeles flights
Nashville to Miami flights
Nashville to Orlando flights
Chattanooga to LaGuardia flights
Nashville to Reagan-National flights
Nashville to Sky Harbor Intl flights
Nashville to Dulles Intl flights
Nashville to Fort Lauderdale flights
Nashville to Dallas/Fort Worth flights
Knoxville to LaGuardia flights
Nashville to Hobby flights
Nashville to Baltimore flights
Memphis to Hobby flights
Nashville to Seattle flights
Memphis to Orlando flights
Nashville to Boston flights
Chattanooga to John F Kennedy Intl flights
Nashville to Salt Lake City flights
Nashville to O'Hare Intl flights
Knoxville to O'Hare Intl flights
Memphis to O'Hare Intl flights
Memphis to Newark flights
Nashville to George Bush Intcntl flights
Memphis to Denver flights
Nashville to Tampa flights
Memphis to Las Vegas flights
Knoxville to John F Kennedy Intl flights
Memphis to Dallas/Fort Worth flights
Memphis to George Bush Intcntl flights
Memphis to Reagan-National flights
Memphis to Miami flights
Memphis to Atlanta flights
Chattanooga to Newark flights
Knoxville to Newark flights
Memphis to Los Angeles flights
Nashville to San Francisco flights
Nashville to San Diego flights
Nashville to Ontario flights
Nashville to Honolulu flights
Chattanooga to Las Vegas flights
Nashville to Raleigh flights
Nashville to Austin flights
Knoxville to Denver flights

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 November 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$43Average$90FlexibilityNo cancel feeOn-time88%
DeltaCheapest$132Average$249FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$189Average$303FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$195Average$338FlexibilityNo cancel feeOn-time69%

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.