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 42m. The time it takes to get you to your destination can typically vary by up to 1h 47m. 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 $43 on Allegiant Air. Other airlines that offer cheap prices include United Airlines from $116 and American Airlines from $116 one-way.

In terms of precipitation, rainfall in District of Columbia ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit District of Columbia when rainfall is around 2.6 in.

If weather is an important factor for your trip to District of Columbia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

While on average a flight from Knoxville to District of Columbia is generally $1,539, our data shows the cheapest flight currently is $83. When looking at the most popular route, (Knoxville McGhee Tyson - Washington, D.C. Dulles Intl), you can expect to pay $81 for that flight.

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

Consider Ethiopian Air (97%), Copa Airlines (87%) or Allegiant Air (86%) when booking your flight. These represent the most reliable airlines when flying from Knoxville to District of Columbia.

What are the most popular airlines that fly from Knoxville to District of Columbia?

Before booking your flight from Knoxville to District of Columbia check out the most popular airlines for this route: Delta, Allegiant Air or United Airlines.

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 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.

$43+ Flights from Knoxville to District of Columbia

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Cheap flight deals from Knoxville to District of Columbia

Round-trip from	$135 (Trip.com)
One-way from	$43 (FlightHub)
Popular in	January
Cheapest in	July
Average price	$308
Good round-trip deal	$251 or less
Good one-way deal	$125 or less

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. 7% potential increase in price ($22 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Price to beat on a round-trip flight from Knoxville McGhee Tyson to District of Columbia.

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Price to beat on a one-way flight from Knoxville McGhee Tyson to District of Columbia.

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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 September 17, 2025.

Mon 10/137:02 pmTYS - IAD

Nonstop1h 44mAllegiant Air

Fri 10/179:36 pmIAD - TYS

Nonstop1h 40mAllegiant Air

Deal found 9/17

$135

Fri 10/316:45 amTYS - IAD

1 stop8h 18mAllegiant Air

Fri 11/78:46 pmIAD - TYS

Nonstop1h 40mAllegiant Air

Deal found 9/16

$140

Fri 10/316:45 amTYS - IAD

1 stop8h 18mAllegiant Air

Mon 11/31:34 pmIAD - TYS

Nonstop1h 40mAllegiant Air

Deal found 9/15

$142

Fri 10/177:02 pmTYS - IAD

Nonstop1h 44mAllegiant Air

Sun 10/196:13 pmIAD - TYS

1 stop25h 57mAllegiant Air

Deal found 9/16

$160

Fri 11/146:42 pmTYS - IAD

Nonstop1h 44mAllegiant Air

Sun 11/1611:10 amIAD - TYS

1 stop22h 15mAllegiant Air

Deal found 9/15

$161

Thu 10/163:22 pmTYS - IAD

1 stop5h 01mAllegiant Air

Mon 10/209:36 pmIAD - TYS

Nonstop1h 40mAllegiant Air

Deal found 9/16

$168

Tue 11/2512:24 pmTYS - IAD

Nonstop1h 44mAllegiant Air

Sat 11/293:04 pmIAD - TYS

Nonstop1h 40mAllegiant Air

Deal found 9/16

$175

Fri 10/245:59 pmTYS - IAD

Nonstop1h 44mAllegiant Air

Sun 10/2610:08 amIAD - TYS

1 stop22h 17mAllegiant Air

Deal found 9/16

$183

Fri 10/316:23 pmTYS - IAD

Nonstop1h 44mMultiple Airlines

Mon 11/36:00 amIAD - TYS

2 stops11h 30mMultiple Airlines

Deal found 9/15

$184

Wed 10/227:26 pmTYS - IAD

Nonstop1h 44mUnited Airlines

Sun 10/2610:15 pmIAD - TYS

Nonstop1h 44mUnited Airlines

Deal found 9/15

$189

Fri 10/246:03 amTYS - DCA

Nonstop1h 42mAmerican Airlines

Mon 10/278:19 amDCA - TYS

Nonstop1h 54mAmerican Airlines

Deal found 9/15

$189

Fri 11/146:42 pmTYS - IAD

Nonstop1h 44mMultiple Airlines

Sun 11/165:29 pmIAD - TYS

2 stops25h 08mMultiple Airlines

Deal found 9/15

$190

Best flights from Knoxville to District of Columbia
Discover carefully curated flight deals from Knoxville to District of Columbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2025.

Sat 10/259:55 amTYS - IAD

Nonstop1h 44mUnited Airlines

Wed 10/2910:15 pmIAD - TYS

Nonstop1h 44mUnited Airlines

Deal found 9/17

$189

Fri 10/246:03 amTYS - DCA

Nonstop1h 42mAmerican Airlines

Mon 10/278:19 amDCA - TYS

Nonstop1h 54mAmerican Airlines

Deal found 9/16

$189

Tue 12/93:56 pmTYS - IAD

1 stop3h 29mDelta

Mon 1/196:10 amIAD - TYS

1 stop5h 56mDelta

Deal found 9/14

$209

Thu 11/65:45 amTYS - IAD

Nonstop1h 43mUnited Airlines

Mon 11/1710:15 pmIAD - TYS

Nonstop1h 44mUnited Airlines

Deal found 9/15

$189

Thu 10/910:43 amTYS - DCA

Nonstop1h 31mAmerican Airlines

Mon 10/138:24 pmDCA - TYS

Nonstop1h 45mAmerican Airlines

Deal found 9/17

$189

Fri 10/176:03 amTYS - DCA

Nonstop1h 42mAmerican Airlines

Sun 10/198:02 pmDCA - TYS

Nonstop1h 51mAmerican Airlines

Deal found 9/17

$189

Tue 12/93:56 pmTYS - DCA

1 stop3h 37mDelta

Mon 1/195:15 pmDCA - TYS

1 stop4h 17mDelta

Deal found 9/14

$209

Thu 10/232:16 pmTYS - IAD

Nonstop1h 44mUnited Airlines

Sun 10/2610:15 pmIAD - TYS

Nonstop1h 44mUnited Airlines

Deal found 9/15

$194

Thu 10/93:48 pmTYS - DCA

1 stop3h 45mDelta

Mon 10/137:59 amDCA - TYS

1 stop6h 44mDelta

Deal found 9/16

$209

Mon 12/87:59 pmTYS - DCA

1 stop3h 40mDelta

Mon 1/195:15 pmDCA - TYS

1 stop4h 17mDelta

Deal found 9/14

$209

Fri 11/215:45 amTYS - IAD

Nonstop1h 43mUnited Airlines

Sat 11/229:00 amIAD - TYS

Nonstop1h 48mUnited Airlines

Deal found 9/16

$219

Thu 10/304:41 pmTYS - DCA

Nonstop1h 36mAmerican Airlines

Sat 11/16:59 amDCA - TYS

1 stop5h 32mAmerican Airlines

Deal found 9/16

$220

Thu 12/117:59 pmTYS - DCA

1 stop3h 40mDelta

Mon 1/195:15 pmDCA - TYS

1 stop4h 17mDelta

Deal found 9/15

$209

Sat 9/277:26 pmTYS - IAD

Nonstop1h 44mUnited Airlines

Mon 9/298:45 amIAD - TYS

Nonstop1h 44mUnited Airlines

Deal found 9/14

$224

Sat 9/276:25 amTYS - DCA

Nonstop1h 49mAmerican Airlines

Mon 9/298:30 amDCA - TYS

Nonstop2h 07mAmerican Airlines

Deal found 9/14

$224

Tue 9/3012:25 pmTYS - DCA

1 stop6h 34mDelta

Sat 10/46:20 pmDCA - TYS

1 stop5h 24mDelta

Deal found 9/15

$219

Wed 11/192:25 pmTYS - IAD

Nonstop1h 43mUnited Airlines

Wed 11/1910:15 pmIAD - TYS

Nonstop1h 44mUnited Airlines

Deal found 9/16

$231

Fri 10/248:10 pmTYS - IAD

1 stop4h 02mDelta

Mon 10/276:00 amIAD - TYS

1 stop4h 45mDelta

Deal found 9/16

$234

Tue 12/27:25 pmTYS - IAD

Nonstop1h 43mUnited Airlines

Sun 12/79:00 amIAD - TYS

Nonstop1h 48mUnited Airlines

Deal found 9/16

$244

Thu 12/117:59 pmTYS - IAD

1 stop4h 17mDelta

Mon 1/195:00 pmIAD - TYS

1 stop4h 32mDelta

Deal found 9/15

$234

Tue 12/27:25 pmTYS - IAD

Nonstop1h 43mUnited Airlines

Sat 12/612:55 pmIAD - TYS

Nonstop1h 48mUnited Airlines

Deal found 9/15

$244

Tue 12/97:25 pmTYS - IAD

Nonstop1h 43mUnited Airlines

Mon 1/199:00 amIAD - TYS

Nonstop1h 57mUnited Airlines

Deal found 9/14

$249

Last-minute flights from Knoxville to District of Columbia
Discover last-minute flight deals from Knoxville to District of Columbia. Data last updated September 17, 2025 and is based on user searches.

Thu 9/256:00 amTYS - DCA

Nonstop1h 49mAmerican Airlines

Sat 9/278:30 amDCA - TYS

Nonstop2h 07mAmerican Airlines

Deal found 9/15

$249

Thu 9/259:24 amTYS - IAD

1 stop8h 57mMultiple Airlines

Sun 9/287:14 pmIAD - TYS

1 stop22h 20mMultiple Airlines

Deal found 9/16

$262

Sat 9/277:26 pmTYS - IAD

Nonstop1h 44mUnited Airlines

Mon 9/298:45 amIAD - TYS

Nonstop1h 44mUnited Airlines

Deal found 9/14

$224

Sat 9/276:25 amTYS - DCA

Nonstop1h 49mAmerican Airlines

Mon 9/298:30 amDCA - TYS

Nonstop2h 07mAmerican Airlines

Deal found 9/14

$224

Sat 9/275:05 amTYS - IAD

1 stop5h 02mAmerican Airlines

Mon 9/2912:48 pmIAD - TYS

1 stop4h 01mAmerican Airlines

Deal found 9/14

$269

Tue 9/305:20 pmTYS - DCA

Nonstop1h 39mAmerican Airlines

Sat 10/41:55 pmDCA - TYS

Nonstop1h 46mAmerican Airlines

Deal found 9/15

$199

Tue 9/3012:25 pmTYS - DCA

1 stop6h 34mDelta

Sat 10/46:20 pmDCA - TYS

1 stop5h 24mDelta

Deal found 9/15

$219

Thu 10/26:00 amTYS - DCA

Nonstop1h 49mAmerican Airlines

Mon 10/68:19 amDCA - TYS

Nonstop1h 54mAmerican Airlines

Deal found 9/15

$194

Tue 10/74:41 pmTYS - DCA

Nonstop1h 36mAmerican Airlines

Wed 10/88:19 amDCA - TYS

Nonstop1h 54mAmerican Airlines

Deal found 9/15

$255

Thu 10/95:44 amTYS - DCA

1 stop3h 26mDelta

Mon 10/136:59 amDCA - TYS

1 stop3h 46mDelta

Deal found 9/17

$209

Fri 10/246:03 amTYS - DCA

Nonstop1h 42mAmerican Airlines

Mon 10/278:19 amDCA - TYS

Nonstop1h 54mAmerican Airlines

Deal found 9/15

$189

Sat 10/257:00 amTYS - DCA

1 stop3h 59mAmerican Airlines

Wed 10/298:24 pmDCA - TYS

Nonstop1h 45mAmerican Airlines

Deal found 9/17

$220

One-way flights from Knoxville to District of Columbia
Search for one-way flight options from Knoxville to District of Columbia. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.

Mon 11/172:22 pmTYS - IAD

Nonstop1h 44mAllegiant Air

Deal found 9/17

$43

Wed 12/2412:01 pmTYS - IAD

Nonstop1h 44mAllegiant Air

Deal found 9/15

$54

Mon 10/137:02 pmTYS - IAD

Nonstop1h 44mAllegiant Air

Deal found 9/16

$63

Thu 12/259:50 amTYS - IAD

Nonstop1h 44mUnited Airlines

Deal found 9/15

$90

Fri 10/178:17 pmTYS - DCA

1 stop15h 47mFrontier

Deal found 9/15

$110

Wed 10/87:26 pmTYS - IAD

Nonstop1h 44mUnited Airlines

Deal found 9/15

$116

Tue 10/146:03 amTYS - DCA

Nonstop1h 42mAmerican Airlines

Deal found 9/14

$116

Wed 10/85:44 amTYS - IAD

1 stop3h 32mDelta

Deal found 9/16

$126

Tue 10/145:19 pmTYS - DCA

1 stop5h 32mDelta

Deal found 9/16

$126

Tue 11/256:30 amTYS - IAD

1 stop26h 00mAllegiant Air

Deal found 9/14

$127

Tue 10/147:26 pmTYS - IAD

Nonstop1h 44mUnited Airlines

Deal found 9/16

$129

Thu 11/137:17 pmTYS - DCA

1 stop16h 47mFrontier

Deal found 9/15

$133

Cheapflights Fare Finder

Use the filters below to find and compare flights from Knoxville to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Sat 10/25

9:55 am-11:39 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Wed 10/29

10:15 pm-11:59 pm

Nonstop1h 44m

$189

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Fri 10/24

6:03 am-7:45 am

Nonstop1h 42m

Washington, D.C. Reagan-National

Mon 10/27

8:19 am-10:13 am

Nonstop1h 54m

$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

Mon 11/17

10:15 pm-11:59 pm

Nonstop1h 44m

$189

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Thu 10/9

10:43 am-12:14 pm

Nonstop1h 31m

Washington, D.C. Reagan-National

Mon 10/13

8:24 pm-10:09 pm

Nonstop1h 45m

$189

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Fri 10/17

6:03 am-7:45 am

Nonstop1h 42m

Washington, D.C. Reagan-National

Sun 10/19

8:02 pm-9:53 pm

Nonstop1h 51m

$189

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Thu 10/23

2:16 pm-4:00 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sun 10/26

10:15 pm-11:59 pm

Nonstop1h 44m

$194

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Tue 12/9

3:56 pm-7:25 pm

1 stop3h 29m

Washington, D.C. Dulles Intl

Mon 1/19

6:10 am-12:06 pm

1 stop5h 56m

$209

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Tue 12/9

3:56 pm-7:33 pm

1 stop3h 37m

Washington, D.C. Reagan-National

Mon 1/19

5:15 pm-9:32 pm

1 stop4h 17m

$209

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Thu 10/9

3:48 pm-7:33 pm

1 stop3h 45m

Washington, D.C. Reagan-National

Mon 10/13

7:59 am-2:43 pm

1 stop6h 44m

$209

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Mon 12/8

7:59 pm-11:39 pm

1 stop3h 40m

Washington, D.C. Reagan-National

Mon 1/19

5:15 pm-9:32 pm

1 stop4h 17m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 44 results

...

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, August is the cheapest month in which you can book a flight from Knoxville to District of Columbia (average of $292). 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?

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

The most flights from TYS to USDC are scheduled on a Thursday (20 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (17 on average).

Reviews of airlines servicing District of Columbia

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

8.0

Very good

7,961 reviews

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!

Delta

8.0

Very good

7,961 reviews

Delta

8.0

Very good

7,961 reviews

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!

United Airlines

7.4

Good

8,926 reviews

Delta

8.0

Very good

7,961 reviews

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!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,961 reviews

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!

Allegiant Air

7.2

Good

699 reviews

Delta

8.0

Very good

7,961 reviews

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

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 42m. The time it takes to get you to your destination can typically vary by up to 1h 47m. 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 $43 on Allegiant Air. Other airlines that offer cheap prices include United Airlines from $116 and American Airlines from $116 one-way.
What are the most reliable airlines from Knoxville to District of Columbia?
Consider Ethiopian Air (97%), Copa Airlines (87%) or Allegiant Air (86%) 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 $1,539, our data shows the cheapest flight currently is $83. When looking at the most popular route, (Knoxville McGhee Tyson - Washington, D.C. Dulles Intl), you can expect to pay $81 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, August is the cheapest month in which you can book a flight from Knoxville to District of Columbia (average of $292). 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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Top 4 airlines flying from Knoxville to District of Columbia

Airline	Cheapest	Average	Flexibility	On-time
Allegiant Air	Cheapest$43	Average$90	FlexibilityNo cancel fee	On-time88%
Delta	Cheapest$132	Average$250	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$189	Average$298	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$217	Average$339	FlexibilityNo cancel fee	On-time69%

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$43+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Knoxville to District of Columbia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 September 17, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Knoxville to District of Columbia

Cheapest flights from Knoxville to District of ColumbiaExplore 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 September 17, 2025.

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 September 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Knoxville to District of Columbia that are best for you.

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.

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?

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 September 17, 2025.

Weekly flight availability from Knoxville to District of Columbia

Reviews of airlines servicing District of Columbia

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.

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?

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What are the cheapest airlines to fly from Knoxville to District of Columbia one-way?

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

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

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

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

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Alternative routes for Knoxville to District of Columbia

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Top 4 airlines flying from Knoxville to District of Columbia

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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 September 17, 2025.