What is the cheapest airline that flies from Knoxville McGhee Tyson to Washington, D.C. Reagan-National?

Delta, American Airlines, and Frontier are the most popular carriers operating from Knoxville McGhee Tyson to Washington, D.C. Reagan-National

When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Washington, D.C. Reagan-National Airport?

Prices for flights from Knoxville McGhee Tyson Airport to Washington, D.C. Reagan-National Airport are updated daily.

How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Washington, D.C. Reagan-National Airport?

The number of operators available for flights from Knoxville McGhee Tyson Airport to Washington, D.C. Reagan-National Airport is 1 as of November 2025.

How old do you have to be to fly from Knoxville McGhee Tyson Airport to Washington, D.C. Reagan-National Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Washington, D.C. Reagan-National Airport.

What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

The travel and health documents you'll need for your trip to Washington, D.C. Reagan-National Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$65 Cheap Flights from Knoxville to Washington, D.C. Reagan-National Airport in 2025/26

Q: How many flights depart from Knoxville to Washington, D.C. Reagan-National Airport on average per day?

As of November 2025, 3 flights take off from Knoxville and land in Washington, D.C. Reagan-National Airport each day. The most common flight departure time for this route is 6:00AM, with 71% of daily flights taking off at noon.

Q: How many flights depart from Knoxville to Washington, D.C. Reagan-National Airport on average per week?

As of November 2025, there are 21 flights per week flying from Knoxville to Washington, D.C. Reagan-National Airport. The most common day of the week flights depart is Mon, with 19% of flights taking off on this day.

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5:49 am - 7:34 amTYS-DCA

1h 45mnonstop

1:50 pm - 3:45 pmDCA-TYS

1h 55mnonstop

$189American Airlines

Find Deal

Fri, Feb 13 - Sun, Feb 15

11:19 am - 12:59 pmTYS-DCA

1h 40mnonstop

2:20 pm - 4:17 pmDCA-TYS

1h 57mnonstop

$190American Airlines

Find Deal

Thu, Jan 8 - Sun, Jan 11

4:52 pm - 1:06 pmTYS-DCA

20h 14m1 stop

2:00 pm - 3:57 pmDCA-TYS

25h 57m1 stop

$198Frontier

Find Deal

Thu, Dec 4 - Sun, Dec 7

5:40 am - 9:10 amTYS-DCA

3h 30m1 stop

1:42 pm - 6:58 pmDCA-TYS

5h 16m1 stop

$209Delta

Find Deal

Wed, Dec 10 - Wed, Dec 17

6:12 am - 7:55 amTYS-DCA

1h 43mnonstop

1:59 pm - 3:46 pmDCA-TYS

1h 47mnonstop

$219American Airlines

Find Deal

Tue, Dec 2 - Sat, Dec 6

2:55 pm - 8:50 pmTYS-DCA

5h 55m1 stop

12:00 pm - 7:40 pmDCA-TYS

7h 40m2 stops

$229Southwest

Find Deal

Tue, Apr 7 - Tue, Apr 14

4:59 pm - 6:37 pmTYS-DCA

1h 38mnonstop

5:00 am - 10:30 amDCA-TYS

5h 30m1 stop

$233American Airlines

Find Deal

Thu, Dec 11 - Sun, Dec 14

7:59 pm - 11:40 pmTYS-DCA

3h 41m1 stop

6:00 am - 9:38 amDCA-TYS

3h 38m1 stop

$234Delta

Find Deal

Thu, Dec 11 - Sun, Dec 14

3:57 pm - 9:41 pmTYS-DCA

5h 44m1 stop

1:52 pm - 6:58 pmDCA-TYS

5h 06m1 stop

$239Delta

Find Deal

Tue, Dec 2 - Sat, Dec 6

6:05 am - 11:00 amTYS-DCA

4h 55m1 stop

9:03 am - 10:50 amDCA-TYS

1h 47mnonstop

$244American Airlines

Find Deal

Wed, Dec 10 - Wed, Dec 17

Delta flights from Knoxville to Washington, D.C. Reagan-National Airport

Our best Delta deals on Knoxville to Washington, D.C. Reagan-National Airport flight tickets

Delta

Dec 10

TYS5:40 amKnoxville McGhee Tyson

3h 30m

1 stop

DCA9:10 amWashington, D.C. Reagan-National

Dec 17

DCA1:42 pmWashington, D.C. Reagan-National

5h 16m

1 stop

TYS6:58 pmKnoxville McGhee Tyson

$209

Find similar

Delta

Dec 11

TYS7:59 pmKnoxville McGhee Tyson

3h 41m

1 stop

DCA11:40 pmWashington, D.C. Reagan-National

Dec 14

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

3h 38m

1 stop

TYS9:38 amKnoxville McGhee Tyson

$234

Find similar

Delta

Dec 2

TYS3:57 pmKnoxville McGhee Tyson

5h 44m

1 stop

DCA9:41 pmWashington, D.C. Reagan-National

Dec 6

DCA1:52 pmWashington, D.C. Reagan-National

5h 06m

1 stop

TYS6:58 pmKnoxville McGhee Tyson

$239

Find similar

American Airlines flights from Knoxville to Washington, D.C. Reagan-National Airport

Our best American Airlines deals on Knoxville to Washington, D.C. Reagan-National Airport flight tickets

American Airlines

Feb 13

TYS5:49 amKnoxville McGhee Tyson

1h 45m

DCA7:34 amWashington, D.C. Reagan-National

Feb 15

DCA1:50 pmWashington, D.C. Reagan-National

1h 55m

TYS3:45 pmKnoxville McGhee Tyson

$189

Find similar

American Airlines

Jan 8

TYS11:19 amKnoxville McGhee Tyson

1h 40m

DCA12:59 pmWashington, D.C. Reagan-National

Jan 11

DCA2:20 pmWashington, D.C. Reagan-National

1h 57m

TYS4:17 pmKnoxville McGhee Tyson

$190

Find similar

American Airlines

Dec 2

TYS6:12 amKnoxville McGhee Tyson

1h 43m

DCA7:55 amWashington, D.C. Reagan-National

Dec 6

DCA1:59 pmWashington, D.C. Reagan-National

1h 47m

TYS3:46 pmKnoxville McGhee Tyson

$219

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momondo Fare Finder

Use the filters below to find and compare flights from Knoxville to Washington, D.C. Reagan-National Airport that are best for you.

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Fly to

Route

Depart

Return

Price

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

1:50 pm-3:45 pm

Nonstop1h 55m

$189

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Thu 1/8

11:19 am-12:59 pm

Nonstop1h 40m

Washington, D.C. Reagan-National

Sun 1/11

2:20 pm-4:17 pm

Nonstop1h 57m

$190

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Thu 12/4

4:52 pm-1:06 pm

1 stop20h 14m

Washington, D.C. Reagan-National

Sun 12/7

2:00 pm-3:57 pm

1 stop25h 57m

$198

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Wed 12/10

5:40 am-9:10 am

1 stop3h 30m

Washington, D.C. Reagan-National

Wed 12/17

1:42 pm-6:58 pm

1 stop5h 16m

$209

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Tue 12/2

6:12 am-7:55 am

Nonstop1h 43m

Washington, D.C. Reagan-National

Sat 12/6

1:59 pm-3:46 pm

Nonstop1h 47m

$219

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Tue 4/7

2:55 pm-8:50 pm

1 stop5h 55m

Washington, D.C. Reagan-National

Tue 4/14

12:00 pm-7:40 pm

2 stops7h 40m

$229

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Thu 12/11

4:59 pm-6:37 pm

Nonstop1h 38m

Washington, D.C. Reagan-National

Sun 12/14

5:00 am-10:30 am

1 stop5h 30m

$233

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Thu 12/11

7:59 pm-11:40 pm

1 stop3h 41m

Washington, D.C. Reagan-National

Sun 12/14

6:00 am-9:38 am

1 stop3h 38m

$234

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Tue 12/2

3:57 pm-9:41 pm

1 stop5h 44m

Washington, D.C. Reagan-National

Sat 12/6

1:52 pm-6:58 pm

1 stop5h 06m

$239

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Wed 12/10

6:05 am-11:00 am

1 stop4h 55m

Washington, D.C. Reagan-National

Wed 12/17

9:03 am-10:50 am

Nonstop1h 47m

$244

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How to get the cheapest flight ticket from Knoxville to Washington, D.C. Reagan-National Airport

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

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What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?

The month of August is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Knoxville, with most prices found around $229. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of August, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $259.

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from Knoxville to Washington, D.C. Reagan-National Airport is on a Friday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Friday will often find tickets for as low as $297. Flights from Knoxville to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $472. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?

Our data shows that the cheapest Knoxville to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the afternoon. Our users have found flights to Washington, D.C. Reagan-National Airport in the afternoon for as low as $304. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is in the morning when prices are around $339.

What is the cheapest Knoxville McGhee Tyson to Washington, D.C. Reagan-National flight route?

Fly from Knoxville McGhee Tyson to Washington, D.C. Reagan-National for the best Knoxville McGhee Tyson - Washington, D.C. Reagan-National flight prices

How far in advance should I book a flight to Washington, D.C. Reagan-National Airport?

You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from Knoxville when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $297 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from Knoxville for as low as $247 on momondo.

What cabin class options are available on Knoxville McGhee Tyson to Washington, D.C. Reagan-National flights?

There are 3 cabin classes available to choose from on Knoxville McGhee Tyson to Washington, D.C. Reagan-National flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Knoxville to Washington, D.C. Reagan-National Airport flight prices changed over time?

As of November 2025, prices for Knoxville to Washington, D.C. Reagan-National Airport flights are approximately 46% more expensive when compared to flights at the same time last year.

When to book flights from Knoxville to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Knoxville to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Knoxville to Washington, D.C. Reagan-National Airport (TYS to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Washington, D.C. Reagan-National Airport

Best Price Found	$218
Fastest flight time	1h 34m
Direct flights	Every day

The best one-way flight to Washington, D.C. Reagan-National Airport from Knoxville in the past 72 hours is $218. The best round-trip flight deal from Knoxville to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $254.

The fastest flight from Knoxville to Washington, D.C. Reagan-National Airport takes 1h 34m

Direct flights go from Knoxville to Washington, D.C. Reagan-National Airport every day.

Search flight deals

How far is Knoxville McGhee Tyson to Washington, D.C. Reagan-National by plane?
Washington, D.C. Reagan-National is 426.9 mi away from Knoxville McGhee Tyson. Flights usually cover this in 1h 36m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Washington, D.C. Reagan-National Airport?
Prices for flights from Knoxville McGhee Tyson Airport to Washington, D.C. Reagan-National Airport are updated daily.
How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Washington, D.C. Reagan-National Airport?
The number of operators available for flights from Knoxville McGhee Tyson Airport to Washington, D.C. Reagan-National Airport is 1 as of November 2025.
How old do you have to be to fly from Knoxville McGhee Tyson Airport to Washington, D.C. Reagan-National Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Washington, D.C. Reagan-National Airport.
What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?
The travel and health documents you'll need for your trip to Washington, D.C. Reagan-National Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Knoxville to Washington, D.C. Reagan-National Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Knoxville to Washington, D.C. Reagan-National Airport is Canadair (Bombardier) Regional Jet 700 (37.04% of total bookings). The next most popular plane models are Embraer ERJ-135 / ERJ-140 / ERJ-145 (26.19%), Canadair (Bombardier) Regional Jet 900 (17.99%), and Airbus A320-100/200 (13.23%).
What is the most popular airline from Knoxville to Washington, D.C. Reagan-National Airport?
Based on momondo bookings for flights between Knoxville and Washington, D.C. Reagan-National Airport, the leading airline is American Airlines, making up 100% of the total bookings.

Best airlines flying from Knoxville to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Knoxville to Washington, D.C. Reagan-National Airport with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $189	Free Cancellation	Rating 7.2 11,045 reviews		Search American Airlines flights

American Airlines Flights From Knoxville to Washington, D.C. Reagan-National Airport
American Airlines flight deals from Knoxville to Washington, D.C. Reagan-National Airport start from $189 round-trip. Over the 15 American Airlines flights for this route in a normal week, average airfare is usually $294 round-trip - but some users have found much cheaper deals with momondo.

Alexandria

National Harbor

Gettysburg

Arlington

Woodbridge

Waldorf

Tysons

Laurel

Colonial Beach

Silver Spring

Fredericksburg

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Rockville

Reston

Manassas

Gaithersburg

Fairfax

Glen Burnie

Linthicum Heights

Springfield

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to Washington, D.C.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Knoxville.

Can I find flights from Knoxville to Washington, D.C. with flexible booking policies on momondo?

Yes. All flights to Washington, D.C. from Knoxville on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Knoxville to Washington, D.C.?

Once you have performed a search for Knoxville to Washington, D.C. 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 Washington, D.C. right now. Can momondo alert me if prices change?

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

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Cheap flights from Knoxville to Washington, D.C. 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 Washington, D.C. departing on 1/15. 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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Delta flights from Knoxville to Washington, D.C. Reagan-National Airport

Our best Delta deals on Knoxville to Washington, D.C. Reagan-National Airport flight tickets

American Airlines flights from Knoxville to Washington, D.C. Reagan-National Airport

Our best American Airlines deals on Knoxville to Washington, D.C. Reagan-National Airport flight tickets

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How to get the cheapest flight ticket from Knoxville to Washington, D.C. Reagan-National Airport

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 Washington, D.C. Reagan-National Airport?

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?

What is the cheapest Knoxville McGhee Tyson to Washington, D.C. Reagan-National flight route?

Fly from Knoxville McGhee Tyson to Washington, D.C. Reagan-National for the best Knoxville McGhee Tyson - Washington, D.C. Reagan-National flight prices

How far in advance should I book a flight to Washington, D.C. Reagan-National Airport?

What cabin class options are available on Knoxville McGhee Tyson to Washington, D.C. Reagan-National flights?

There are 3 cabin classes available to choose from on Knoxville McGhee Tyson to Washington, D.C. Reagan-National flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Knoxville to Washington, D.C. Reagan-National Airport flight prices changed over time?

As of November 2025, prices for Knoxville to Washington, D.C. Reagan-National Airport flights are approximately 46% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Knoxville McGhee Tyson to Washington, D.C. Reagan-National?

Delta, American Airlines, and Frontier are the most popular carriers operating from Knoxville McGhee Tyson to Washington, D.C. Reagan-National

How many flights depart from Knoxville to Washington, D.C. Reagan-National Airport on average per day?

As of November 2025, 3 flights take off from Knoxville and land in Washington, D.C. Reagan-National Airport each day. The most common flight departure time for this route is 6:00AM, with 71% of daily flights taking off at noon.

How many flights depart from Knoxville to Washington, D.C. Reagan-National Airport on average per week?

As of November 2025, there are 21 flights per week flying from Knoxville to Washington, D.C. Reagan-National Airport. The most common day of the week flights depart is Mon, with 19% of flights taking off on this day.

When to book flights from Knoxville to Washington, D.C. Reagan-National Airport

Cheap Knoxville to Washington, D.C. Reagan-National Airport (TYS to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Washington, D.C. Reagan-National Airport

Best Price Found

Fastest flight time

Direct flights

How far is Knoxville McGhee Tyson to Washington, D.C. Reagan-National by plane?

When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Washington, D.C. Reagan-National Airport?

How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Washington, D.C. Reagan-National Airport?

How old do you have to be to fly from Knoxville McGhee Tyson Airport to Washington, D.C. Reagan-National Airport?

What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

What is the most popular plane model from Knoxville to Washington, D.C. Reagan-National Airport?

What is the most popular airline from Knoxville to Washington, D.C. Reagan-National Airport?

Best airlines flying from Knoxville to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Knoxville to Washington, D.C. Reagan-National Airport with momondo

American Airlines Flights From Knoxville to Washington, D.C. Reagan-National Airport

Traveling to a place near Washington, D.C.?

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to Washington, D.C.?

Can I find flights from Knoxville to Washington, D.C. with flexible booking policies on momondo?

How can momondo help me find flights from Knoxville to Washington, D.C.?

I’m not ready to book a flight from Knoxville to Washington, D.C. right now. Can momondo alert me if prices change?

An easier way to manage your Washington, D.C. Reagan-National Airport 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 Washington, D.C.

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