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$44+ 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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — IAD
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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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 October 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/146:42 pmTYS - IAD
Nonstop1h 44mMultiple Airlines
Sun 11/168:36 pmIAD - TYS
1 stop26h 38mMultiple Airlines
Deal found 10/27$139
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 10/316:23 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Mon 11/31:34 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 10/28$145
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Sat 11/89:06 amTYS - IAD
1 stop10h 45mMultiple Airlines
Mon 11/107:56 pmIAD - TYS
Nonstop1h 40mMultiple Airlines
Deal found 10/27$155
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 12/245:31 pmTYS - IAD
2 stops18h 07mMultiple Airlines
Wed 12/312:35 pmIAD - TYS
Nonstop1h 40mMultiple Airlines
Deal found 10/29$156
This Trip.com deal was found by Cheapflights users on 10/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:17 pmTYS - DCA
1 stop17h 45mFrontier
Sun 11/168:15 amDCA - TYS
1 stop10h 07mFrontier
Deal found 10/27$158
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Thu 12/185:42 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Sun 12/218:16 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 10/29$159
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/179:09 pmTYS - IAD
2 stops23h 11mMultiple Airlines
Thu 11/208:23 pmIAD - TYS
Nonstop1h 40mMultiple Airlines
Deal found 10/27$161
This Booking.com deal was found by Cheapflights users on 10/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/114:52 pmTYS - DCA
1 stop24h 07mFrontier
Sat 12/136:00 pmDCA - TYS
1 stop21h 57mFrontier
Deal found 10/28$162
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 12/56:30 amTYS - IAD
1 stop13h 54mMultiple Airlines
Sun 12/77:57 pmIAD - TYS
Nonstop1h 40mMultiple Airlines
Deal found 10/29$165
This American Airlines deal was found by Cheapflights users on 10/27. 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 12/136:00 amTYS - DCA
Nonstop1h 48mAmerican Airlines
Tue 12/169:03 amDCA - TYS
Nonstop1h 47mAmerican Airlines
Deal found 10/27$189
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/1311:22 amTYS - DCA
Nonstop1h 37mAmerican Airlines
Tue 11/187:49 pmDCA - TYS
Nonstop1h 45mAmerican Airlines
Deal found 10/28$194
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/146:06 amTYS - DCA
Nonstop1h 43mAmerican Airlines
Sun 11/169:06 amDCA - TYS
Nonstop1h 48mAmerican Airlines
Deal found 10/28$199

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 October 29, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$139
(Kiwi.com)

One-way from

$44
(Trip.com)

Popular in

September

Cheapest in

July

Average price

$259

Good round-trip deal

$259 or less

Good one-way deal

$213 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. 4% potential increase in price ($14 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 October 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 October 29, 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

Thu 1/8

1:39 pm-3:23 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sun 1/11

6:37 pm-8:36 pm

1 stop25h 59m

$148

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Mon 11/17

9:09 pm-8:20 pm

2 stops23h 11m

Washington, D.C. Dulles Intl

Thu 11/20

8:23 pm-10:03 pm

Nonstop1h 40m

$175

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Thu 11/27

2:25 pm-4:08 pm

Nonstop1h 43m

Washington, D.C. Dulles Intl

Thu 11/27

6:36 pm-8:20 pm

Nonstop1h 44m

$184

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Fri 1/16

11:19 am-12:59 pm

Nonstop1h 40m

Washington, D.C. Reagan-National

Tue 1/20

8:47 am-10:49 am

Nonstop2h 02m

$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

12:55 pm-2:43 pm

Nonstop1h 48m

$189

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Tue 11/25

5:45 am-7:28 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

Fri 11/28

12:55 pm-2:43 pm

Nonstop1h 48m

$189

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Thu 12/4

7:25 pm-9:08 pm

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sat 12/6

12:55 pm-2:43 pm

Nonstop1h 48m

$189

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Thu 11/20

9:50 am-11:33 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sat 11/22

9:00 am-10:48 am

Nonstop1h 48m

$189

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Thu 11/13

11:22 am-12:59 pm

Nonstop1h 37m

Washington, D.C. Reagan-National

Tue 11/18

7:49 pm-9:34 pm

Nonstop1h 45m

$194

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Fri 11/14

6:06 am-7:49 am

Nonstop1h 43m

Washington, D.C. Reagan-National

Sun 11/16

9:06 am-10:54 am

Nonstop1h 48m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 38 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 $55). 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 October 29, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 38% 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 October 26, 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.

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 October 29, 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
7,992 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,992 reviews
Delta
7.9
Good
7,992 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,999 reviews
Delta
7.9
Good
7,992 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,992 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Allegiant Air
7.2
Good
695 reviews
Delta
7.9
Good
7,992 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 Allegiant Air, United Airlines, and American Airlines fly from Knoxville to District of Columbia in about 1h 40m. 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 $53 on Allegiant Air. Other airlines that offer cheap prices include United Airlines from $105 and Delta from $110 one-way.

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

    Consider Ethiopian Air (94%), Copa Airlines (94%) or CommutAir (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 $1,581, our data shows the cheapest flight currently is $43. 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 $55). 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

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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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$43Average$90FlexibilityNo cancel feeOn-time88%
DeltaCheapest$132Average$249FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$189Average$301FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$196Average$338FlexibilityNo cancel feeOn-time69%

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