What is the cheapest airline that flies from Knoxville McGhee Tyson to District of Columbia?

Allegiant Air, American Airlines, and Delta are the most popular carriers operating from Knoxville McGhee Tyson to District of Columbia

How many flights depart from Knoxville to District of Columbia on average per day?

As of October 2025, there are 12 flights per day flying from Knoxville to District of Columbia. The most common time of day flights depart is 7:00PM, with 42% of flights taking off at noon.

What airlines fly to District of Columbia?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to District of Columbia from Knoxville according to our data. American Airlines is the first choice among our users, with 65% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 4 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.

How many flights depart from Knoxville to District of Columbia on average per week?

As of October 2025, 84 flights take off from Knoxville and land in District of Columbia each week. The most common flight departure day for this route is Thu, with 24% of weekly flights taking off on this day.

When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to District of Columbia?

Prices for flights from Knoxville McGhee Tyson Airport to District of Columbia are updated daily.

How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to District of Columbia?

The number of operators available for flights from Knoxville McGhee Tyson Airport to District of Columbia is 4 as of October 2025.

How old do you have to be to fly from Knoxville McGhee Tyson Airport to District of Columbia?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to District of Columbia.

What documentation or ID do you need to fly to District of Columbia?

The travel and health documents required for your trip to District of Columbia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at District of Columbia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$65 Cheap Flights from Knoxville to District of Columbia in 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

2:22 pm - 4:06 pmTYS-IAD

1h 44mnonstop

9:20 pm - 4:33 pmIAD-TYS

19h 13m1 stop

$148Multiple Airlines

Find Deal

lun., nov. 17 - sáb., dic. 6

2:22 pm - 4:06 pmTYS-IAD

1h 44mnonstop

11:12 am - 8:53 pmIAD-TYS

9h 41m1 stop

$153Multiple Airlines

Find Deal

lun., nov. 17 - jue., nov. 20

5:23 pm - 7:07 pmTYS-IAD

1h 44mnonstop

5:21 pm - 6:59 pmIAD-TYS

25h 38m1 stop

$157Allegiant Air

Find Deal

jue., dic. 11 - dom., dic. 14

6:00 am - 7:48 amTYS-DCA

1h 48mnonstop

1:59 pm - 3:46 pmDCA-TYS

1h 47mnonstop

$158American Airlines

Find Deal

vie., dic. 5 - sáb., dic. 6

5:45 am - 7:28 amTYS-IAD

1h 43mnonstop

12:55 pm - 2:43 pmIAD-TYS

1h 48mnonstop

$163United Airlines

Find Deal

jue., nov. 20 - sáb., dic. 6

6:12 pm - 7:56 pmTYS-IAD

1h 44mnonstop

11:14 am - 4:32 pmIAD-TYS

5h 18m1 stop

$167Allegiant Air

Find Deal

vie., nov. 7 - lun., nov. 10

4:59 pm - 6:37 pmTYS-DCA

1h 38mnonstop

9:06 am - 10:53 amDCA-TYS

1h 47mnonstop

$179American Airlines

Find Deal

vie., dic. 5 - dom., dic. 7

5:45 am - 7:28 amTYS-IAD

1h 43mnonstop

12:55 pm - 2:43 pmIAD-TYS

1h 48mnonstop

$189United Airlines

Find Deal

mié., nov. 19 - mié., dic. 3

8:07 pm - 12:16 amTYS-IAD

4h 09m1 stop

6:00 am - 9:37 amIAD-TYS

3h 37m1 stop

$209Delta

Find Deal

jue., nov. 13 - mar., nov. 18

5:35 am - 9:10 amTYS-DCA

3h 35m1 stop

6:00 am - 12:09 pmDCA-TYS

6h 09m1 stop

$209Delta

Find Deal

jue., nov. 13 - mar., nov. 18

United Airlines flights from Knoxville to District of Columbia

Our best United Airlines deals on Knoxville to District of Columbia flight tickets

United Airlines

Nov 20

TYS5:45 amKnoxville McGhee Tyson

1h 43m

IAD7:28 amWashington, D.C. Dulles Intl

Dec 6

IAD12:55 pmWashington, D.C. Dulles Intl

1h 48m

TYS2:43 pmKnoxville McGhee Tyson

$163

Find similar

United Airlines

Nov 19

TYS5:45 amKnoxville McGhee Tyson

1h 43m

IAD7:28 amWashington, D.C. Dulles Intl

Dec 3

IAD12:55 pmWashington, D.C. Dulles Intl

1h 48m

TYS2:43 pmKnoxville McGhee Tyson

$189

Find similar

United Airlines

Nov 7

TYS5:45 amKnoxville McGhee Tyson

1h 43m

IAD7:28 amWashington, D.C. Dulles Intl

Nov 11

IAD6:36 pmWashington, D.C. Dulles Intl

1h 44m

TYS8:20 pmKnoxville McGhee Tyson

$194

Find similar

Delta flights from Knoxville to District of Columbia

Our best Delta deals on Knoxville to District of Columbia flight tickets

Delta

Nov 13

TYS8:07 pmKnoxville McGhee Tyson

4h 09m

1 stop

IAD12:16 amWashington, D.C. Dulles Intl

Nov 18

IAD6:00 amWashington, D.C. Dulles Intl

3h 37m

1 stop

TYS9:37 amKnoxville McGhee Tyson

$209

Find similar

Delta

Nov 5

TYS5:44 amKnoxville McGhee Tyson

5h 48m

1 stop

IAD11:32 amWashington, D.C. Dulles Intl

Dec 4

IAD10:08 amWashington, D.C. Dulles Intl

4h 44m

1 stop

TYS2:52 pmKnoxville McGhee Tyson

$214

Find similar

Delta

Nov 6

TYS3:59 pmKnoxville McGhee Tyson

6h 41m

1 stop

DCA10:40 pmWashington, D.C. Reagan-National

Nov 9

DCA6:00 amWashington, D.C. Reagan-National

3h 37m

1 stop

TYS9:37 amKnoxville McGhee Tyson

$219

Find similar

momondo 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

lun. 11/17

2:22 pm-4:06 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

sáb. 12/6

9:20 pm-4:33 pm

1 stop19h 13m

$148

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

lun. 11/17

2:22 pm-4:06 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

jue. 11/20

11:12 am-8:53 pm

1 stop9h 41m

$153

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

jue. 12/11

5:23 pm-7:07 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

dom. 12/14

5:21 pm-6:59 pm

1 stop25h 38m

$157

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

vie. 12/5

6:00 am-7:48 am

Nonstop1h 48m

Washington, D.C. Reagan-National

sáb. 12/6

1:59 pm-3:46 pm

Nonstop1h 47m

$158

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

jue. 11/20

5:45 am-7:28 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

sáb. 12/6

12:55 pm-2:43 pm

Nonstop1h 48m

$163

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

vie. 11/7

6:12 pm-7:56 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

lun. 11/10

11:14 am-4:32 pm

1 stop5h 18m

$167

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

vie. 12/5

4:59 pm-6:37 pm

Nonstop1h 38m

Washington, D.C. Reagan-National

dom. 12/7

9:06 am-10:53 am

Nonstop1h 47m

$179

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

mié. 11/19

5:45 am-7:28 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

mié. 12/3

12:55 pm-2:43 pm

Nonstop1h 48m

$189

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

jue. 11/13

8:07 pm-12:16 am

1 stop4h 09m

Washington, D.C. Dulles Intl

mar. 11/18

6:00 am-9:37 am

1 stop3h 37m

$209

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

jue. 11/13

5:35 am-9:10 am

1 stop3h 35m

Washington, D.C. Reagan-National

mar. 11/18

6:00 am-12:09 pm

1 stop6h 09m

$209

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Knoxville to District of Columbia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to District of Columbia?

In general, July is the cheapest month to fly from Knoxville to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $214. If you don’t want to visit District of Columbia in July, then you should wait until November to fly from Knoxville, when ticket prices are also cheap, with an average price of $244.

What is the cheapest day to depart on your flight to District of Columbia?

The cheapest day to depart on your flight to District of Columbia is on a Friday when prices can be found for as low as $398. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Knoxville because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $776.

What is the cheapest time of day to depart on your flight to District of Columbia?

Flying to District of Columbia from Knoxville in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $311 when looking at flights departing in the afternoon. Flights to District of Columbia are more costly at noon, with an average ticket price of $997. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Knoxville McGhee Tyson to District of Columbia flight route?

Fly from Knoxville McGhee Tyson to Washington, D.C. Dulles Intl for the best Knoxville McGhee Tyson - District of Columbia flight prices

How far in advance should I book a flight to District of Columbia?

You are more likely to see cheaper flights to District of Columbia from Knoxville when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $314 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from Knoxville for as low as $149 on momondo.

What cabin class options are available on Knoxville McGhee Tyson to District of Columbia flights?

There are 4 cabin classes available to choose from on Knoxville McGhee Tyson to District of Columbia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Knoxville to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to District of Columbia

Best Price Found	$145
Fastest flight time	1h 28m
Direct flights	Every day
Airports in District of Columbia	2 airports

The best one-way flight to District of Columbia from Knoxville in the past 72 hours is $145. The best round-trip flight deal from Knoxville to District of Columbia found on momondo in the last 72 hours is $263.

The fastest flight from Knoxville to District of Columbia takes 1h 28m

Direct flights go from Knoxville to District of Columbia every day.

There are 2 airports near District of Columbia: Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD)

Search flight deals

When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to District of Columbia?
Prices for flights from Knoxville McGhee Tyson Airport to District of Columbia are updated daily.
How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to District of Columbia?
The number of operators available for flights from Knoxville McGhee Tyson Airport to District of Columbia is 4 as of October 2025.
How old do you have to be to fly from Knoxville McGhee Tyson Airport to District of Columbia?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to District of Columbia.
What documentation or ID do you need to fly to District of Columbia?
The travel and health documents required for your trip to District of Columbia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at District of Columbia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Knoxville to District of Columbia?
momondo data reveals that the most frequently booked plane model on the route from Knoxville to District of Columbia is Embraer ERJ-135 / ERJ-140 / ERJ-145, representing 31.88% of all bookings. The subsequent popular models are Canadair (Bombardier) Regional Jet 700 at 28.49%, Airbus A320-100/200 at 15.94%, and Canadair (Bombardier) Regional Jet 900 at 11.85%.

Best airlines flying from Knoxville to District of Columbia

Compare and see reviews for airlines that fly from Knoxville to District of Columbia with momondo

Airline	Rating	Free Cancellation	Price
Allegiant Air	PriceFrom $43	Free Cancellation	Rating 7.2 694 reviews	Search Allegiant Air flights
Delta	PriceFrom $132	Free Cancellation	Rating 7.9 7,982 reviews	Search Delta flights
American Airlines	PriceFrom $189	Free Cancellation	Rating 7.2 11,033 reviews	Search American Airlines flights
United Airlines	PriceFrom $217	Free Cancellation	Rating 7.4 8,995 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to District of Columbia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Knoxville to District of Columbia. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Knoxville to District of Columbia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Knoxville to District of Columbia flights to just show those with flexible booking policies.

How can momondo help me find flights from Knoxville to District of Columbia?

Once you have performed a search for Knoxville to District of Columbia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Knoxville to District of Columbia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Knoxville to District of Columbia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to District of Columbia and let you know when they change.

An easier way to manage your District of Columbia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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sáb. 11/22

sáb. 11/29

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Popular cities in District of Columbia

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District of Columbia flight routes

Flights from Boston Logan Intl to Washington, D.C. Reagan-National

Flights from San Francisco to Washington, D.C. Dulles Intl

Flights from Los Angeles to Washington, D.C. Dulles Intl

Flights from Atlanta Hartsfield-Jackson to Washington, D.C. Dulles Intl

Flights from Boston Logan Intl to Washington, D.C. Dulles Intl

Cheap flights from Knoxville to District of Columbia from $65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to District of Columbia departing on 12/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Knoxville to District of Columbia

Our best United Airlines deals on Knoxville to District of Columbia flight tickets

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Our best Delta deals on Knoxville to District of Columbia flight tickets

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

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How to get the cheapest flight ticket from Knoxville to District of Columbia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to District of Columbia?

What is the cheapest day to depart on your flight to District of Columbia?

What is the cheapest time of day to depart on your flight to District of Columbia?

What is the cheapest Knoxville McGhee Tyson to District of Columbia flight route?

Fly from Knoxville McGhee Tyson to Washington, D.C. Dulles Intl for the best Knoxville McGhee Tyson - District of Columbia flight prices

How far in advance should I book a flight to District of Columbia?

What cabin class options are available on Knoxville McGhee Tyson to District of Columbia flights?

There are 4 cabin classes available to choose from on Knoxville McGhee Tyson to District of Columbia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest airline that flies from Knoxville McGhee Tyson to District of Columbia?

Allegiant Air, American Airlines, and Delta are the most popular carriers operating from Knoxville McGhee Tyson to District of Columbia

What airlines fly to District of Columbia?

How many flights depart from Knoxville to District of Columbia on average per day?

As of October 2025, there are 12 flights per day flying from Knoxville to District of Columbia. The most common time of day flights depart is 7:00PM, with 42% of flights taking off at noon.

How many flights depart from Knoxville to District of Columbia on average per week?

As of October 2025, 84 flights take off from Knoxville and land in District of Columbia each week. The most common flight departure day for this route is Thu, with 24% of weekly flights taking off on this day.

Cheap Knoxville to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to District of Columbia

Best Price Found

Fastest flight time

Direct flights

Airports in District of Columbia

When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to District of Columbia?

How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to District of Columbia?

How old do you have to be to fly from Knoxville McGhee Tyson Airport to District of Columbia?

What documentation or ID do you need to fly to District of Columbia?

What is the most popular plane model from Knoxville to District of Columbia?

Best airlines flying from Knoxville to District of Columbia

Compare and see reviews for airlines that fly from Knoxville to District of Columbia with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to District of Columbia?

Can I find flights from Knoxville to District of Columbia with flexible booking policies on momondo?

How can momondo help me find flights from Knoxville to District of Columbia?

I’m not ready to book a flight from Knoxville to District of Columbia right now. Can momondo alert me if prices change?

An easier way to manage your District of Columbia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to District of Columbia

Popular cities in District of Columbia

Popular flights according to clicks in the last 7 days on momondo