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District of Columbia

$35+ 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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — IAD
Feb 24 — Mar 31
Tue 2/24
Tue 3/3
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 January 25, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/24. 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 2/51:39 pm
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Sun 2/84:13 pm
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Deal found 1/24$78
This Kiwi.com deal was found by Cheapflights users on 1/24. 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.
Sun 2/11:39 pm
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Thu 2/54:13 pm
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Deal found 1/24$86
This Kiwi.com deal was found by Cheapflights users on 1/23. 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.
Sun 3/15:53 pm
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Sun 3/89:54 am
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Deal found 1/23$88
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 4/911:27 am
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Sun 4/122:01 pm
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Deal found 1/24$94
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 4/911:27 am
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Thu 4/162:01 pm
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Deal found 1/24$98
This Kiwi.com deal was found by Cheapflights users on 1/24. 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.
Sun 4/1211:27 am
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Thu 4/162:01 pm
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Deal found 1/24$106
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 5/2512:55 pm
TYS
-
IAD
Nonstop1h 23m
Allegiant Air
Fri 6/53:06 pm
IAD
-
TYS
Nonstop1h 34m
Allegiant Air
Deal found 1/24$108
This Kiwi.com deal was found by Cheapflights users on 1/22. 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.
Sun 3/156:30 am
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Thu 3/193:42 pm
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Deal found 1/22$110
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 1/291:39 pm
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Thu 2/54:13 pm
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Deal found 1/24$113
This American Airlines deal was found by Cheapflights users on 1/22. 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 4/812:01 pm
TYS
-
DCA
Nonstop1h 43m
American Airlines
Sat 4/117:49 pm
DCA
-
TYS
Nonstop1h 51m
American Airlines
Deal found 1/22$173
This American Airlines deal was found by Cheapflights users on 1/23. 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 3/126:05 am
TYS
-
DCA
Nonstop1h 42m
American Airlines
Tue 3/171:44 pm
DCA
-
TYS
Nonstop1h 48m
American Airlines
Deal found 1/23$183
This American Airlines deal was found by Cheapflights users on 1/23. 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 2/276:05 am
TYS
-
DCA
Nonstop1h 42m
American Airlines
Mon 3/27:49 pm
DCA
-
TYS
Nonstop1h 49m
American Airlines
Deal found 1/23$186

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 January 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$78
(Kiwi.com)

One-way from

$35
(Kiwi.com)

Popular in

September

Cheapest in

November

Average price

$309

Good round-trip deal

$189 or less

Good one-way deal

$87 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. 8% potential increase in price ($24 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 January 2026
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 January 25, 2026.
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 2/18

9:40 am-11:26 am

Nonstop1h 46m

Washington, D.C. Dulles Intl

Sat 2/21

5:40 pm-7:29 pm

Nonstop1h 49m

$183

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Thu 2/12

9:40 am-11:26 am

Nonstop1h 46m

Washington, D.C. Dulles Intl

Mon 2/16

9:00 am-10:49 am

Nonstop1h 49m

$186

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Wed 2/18

5:35 am-9:13 am

1 stop3h 38m

Washington, D.C. Dulles Intl

Sat 2/21

6:00 am-11:08 am

1 stop5h 08m

$203

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Thu 4/9

6:38 pm-10:42 pm

1 stop4h 04m

Washington, D.C. Reagan-National

Wed 4/15

12:25 pm-5:08 pm

1 stop4h 43m

$203

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Thu 4/9

6:38 pm-11:39 pm

1 stop5h 01m

Washington, D.C. Reagan-National

Sat 4/18

6:59 am-11:17 am

1 stop4h 18m

$203

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Thu 4/9

5:10 pm-10:42 pm

1 stop5h 32m

Washington, D.C. Reagan-National

Tue 4/14

6:00 am-11:17 am

1 stop5h 17m

$203

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Sat 4/11

5:40 am-11:10 am

1 stop5h 30m

Washington, D.C. Reagan-National

Tue 4/14

6:59 am-11:17 am

1 stop4h 18m

$203

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Sat 4/11

5:13 pm-8:40 pm

1 stop3h 27m

Washington, D.C. Reagan-National

Sat 4/18

6:59 am-11:17 am

1 stop4h 18m

$203

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Sat 4/11

5:13 pm-8:40 pm

1 stop3h 27m

Washington, D.C. Reagan-National

Wed 4/15

12:25 pm-5:08 pm

1 stop4h 43m

$203

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Tue 4/14

5:54 pm-9:34 pm

1 stop3h 40m

Washington, D.C. Reagan-National

Sat 4/18

6:59 am-11:17 am

1 stop4h 18m

$203

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Showing 1-10 of 42 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 $198). 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 January 25, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 59% 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 January 17, 2026.

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. Thursday 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 January 25, 2026.

The most flights from TYS to USDC are scheduled on a Monday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (13 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 January 25, 2026.
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
8,111 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Crew

8.5

Comfort

7.9

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
8,111 reviews
Delta
7.9
Good
8,111 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Crew

8.5

Comfort

7.9

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
9,198 reviews
Delta
7.9
Good
8,111 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Crew

8.5

Comfort

7.9

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
11,197 reviews
Delta
7.9
Good
8,111 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Crew

8.5

Comfort

7.9

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
705 reviews
Delta
7.9
Good
8,111 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Crew

8.5

Comfort

7.9

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 Delta fly from Knoxville to District of Columbia in about 1h 46m. The time it takes to get you to your destination can typically vary by up to 1h 52m. The distance from Knoxville to District of Columbia is about 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 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 (90%), CommutAir (88%) or United Airlines (88%) 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 $701, our data shows the cheapest flight currently is $42. 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 $198). 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 January 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$43Average$90FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$189Average$295FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$194Average$329FlexibilityNo cancel feeOn-time69%
DeltaCheapest$228Average$296FlexibilityNo cancel feeOn-timeN/A

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