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

Southwest is the most popular carrier operating from Washington, D.C. Reagan-National to Knoxville McGhee Tyson

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

As of July 2026, there is 1 operator available to choose from for flights from Washington, D.C. Reagan-National Airport to Knoxville McGhee Tyson Airport.

What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?

The travel and health documents required for your trip to Knoxville McGhee Tyson Airport 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 Knoxville McGhee Tyson Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$103 Cheap Flights from Washington, D.C. Reagan-National Airport to Knoxville in 2026

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

3 flights are operational daily from Washington, D.C. Reagan-National Airport to Knoxville as of July 2026. The most popular departure time for this route is 7:00PM, with 63% of flights per day taking off in the evening.

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

As of July 2026, there are 27 flights per week flying from Washington, D.C. Reagan-National Airport to Knoxville. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Knoxville

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 5:30 pm

DCA

TYS

1h 50mnonstop

7:04 am - 8:57 am

TYS

DCA

1h 53mnonstop

$185American Airlines

Sat, Aug 22 - Sat, Aug 29

3:40 pm - 5:30 pm

DCA

TYS

1h 50mnonstop

7:04 am - 8:57 am

TYS

DCA

1h 53mnonstop

$193American Airlines

Sat, Aug 22 - Sat, Aug 29

3:40 pm - 5:30 pm

DCA

TYS

1h 50mnonstop

7:31 pm - 9:23 pm

TYS

DCA

1h 52mnonstop

$194American Airlines

Sat, Aug 15 - Mon, Aug 17

6:55 am - 12:00 pm

DCA

TYS

5h 05m

1 stop

2:05 pm - 8:55 pm

TYS

DCA

6h 50m

1 stop

$205Southwest

Mon, Aug 24 - Thu, Aug 27

6:55 am - 12:00 pm

DCA

TYS

5h 05m

1 stop

7:00 am - 3:45 pm

TYS

DCA

8h 45m

2 stops

$210Southwest

Mon, Aug 24 - Tue, Aug 25

3:49 pm - 5:36 pm

DCA

TYS

1h 47mnonstop

7:15 am - 9:04 am

TYS

DCA

1h 49mnonstop

$211American Airlines

Fri, Sep 11 - Sun, Sep 13

6:05 am - 1:15 pm

DCA

TYS

7h 10m

1 stop

4:55 pm - 8:40 pm

TYS

DCA

3h 45m

1 stop

$213Southwest

Sat, Aug 22 - Sat, Aug 29

9:55 am - 1:50 pm

DCA

TYS

3h 55m

1 stop

1:55 pm - 8:55 pm

TYS

DCA

7h 00m

1 stop

$214Southwest

Sun, Sep 6 - Wed, Sep 9

6:05 am - 12:05 pm

DCA

TYS

6h 00m

2 stops

7:00 am - 6:00 pm

TYS

DCA

11h 00m

2 stops

$215Southwest

Tue, Aug 18 - Wed, Aug 19

7:46 pm - 9:34 pm

DCA

TYS

1h 48mnonstop

7:04 am - 8:57 am

TYS

DCA

1h 53mnonstop

$216American Airlines

Fri, Aug 28 - Mon, Aug 31

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

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

Southwest

Aug 24

DCA6:55 amWashington, D.C. Reagan-National

5h 05m

1 stop

TYS12:00 pmKnoxville McGhee Tyson

Aug 27

TYS2:05 pmKnoxville McGhee Tyson

6h 50m

1 stop

DCA8:55 pmWashington, D.C. Reagan-National

$205

Southwest

Aug 24

DCA6:55 amWashington, D.C. Reagan-National

5h 05m

1 stop

TYS12:00 pmKnoxville McGhee Tyson

Aug 27

TYS7:10 amKnoxville McGhee Tyson

9h 00m

2 stops

DCA4:10 pmWashington, D.C. Reagan-National

$210

Southwest

Aug 22

DCA6:05 amWashington, D.C. Reagan-National

7h 10m

1 stop

TYS1:15 pmKnoxville McGhee Tyson

Aug 29

TYS4:55 pmKnoxville McGhee Tyson

3h 45m

1 stop

DCA8:40 pmWashington, D.C. Reagan-National

$213

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

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

American Airlines

Aug 22

DCA3:40 pmWashington, D.C. Reagan-National

1h 50m

TYS5:30 pmKnoxville McGhee Tyson

Aug 29

TYS7:04 amKnoxville McGhee Tyson

1h 53m

DCA8:57 amWashington, D.C. Reagan-National

$185

American Airlines

Aug 22

DCA3:40 pmWashington, D.C. Reagan-National

1h 50m

TYS5:30 pmKnoxville McGhee Tyson

Aug 29

TYS7:04 amKnoxville McGhee Tyson

1h 53m

DCA8:57 amWashington, D.C. Reagan-National

$193

American Airlines

Aug 15

DCA3:40 pmWashington, D.C. Reagan-National

1h 50m

TYS5:30 pmKnoxville McGhee Tyson

Aug 17

TYS7:31 pmKnoxville McGhee Tyson

1h 52m

DCA9:23 pmWashington, D.C. Reagan-National

$194

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Sat 8/22

3:40 pm-5:30 pm

Nonstop1h 50m

Knoxville McGhee Tyson

Sat 8/29

7:04 am-8:57 am

Nonstop1h 53m

$185

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Sat 8/22

3:40 pm-5:30 pm

Nonstop1h 50m

Knoxville McGhee Tyson

Sat 8/29

7:04 am-8:57 am

Nonstop1h 53m

$193

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Sat 8/15

3:40 pm-5:30 pm

Nonstop1h 50m

Knoxville McGhee Tyson

Mon 8/17

7:31 pm-9:23 pm

Nonstop1h 52m

$194

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Mon 8/24

6:55 am-12:00 pm

1 stop5h 05m

Knoxville McGhee Tyson

Thu 8/27

2:05 pm-8:55 pm

1 stop6h 50m

$205

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Mon 8/24

6:55 am-12:00 pm

1 stop5h 05m

Knoxville McGhee Tyson

Tue 8/25

7:00 am-3:45 pm

2 stops8h 45m

$210

Quickest round-trip

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Fri 9/11

3:49 pm-5:36 pm

Nonstop1h 47m

Knoxville McGhee Tyson

Sun 9/13

7:15 am-9:04 am

Nonstop1h 49m

$211

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Sat 8/22

6:05 am-1:15 pm

1 stop7h 10m

Knoxville McGhee Tyson

Sat 8/29

4:55 pm-8:40 pm

1 stop3h 45m

$213

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Sun 9/6

9:55 am-1:50 pm

1 stop3h 55m

Knoxville McGhee Tyson

Wed 9/9

1:55 pm-8:55 pm

1 stop7h 00m

$214

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Tue 8/18

6:05 am-12:05 pm

2 stops6h 00m

Knoxville McGhee Tyson

Wed 8/19

7:00 am-6:00 pm

2 stops11h 00m

$215

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Fri 8/28

7:46 pm-9:34 pm

Nonstop1h 48m

Knoxville McGhee Tyson

Mon 8/31

7:04 am-8:57 am

Nonstop1h 53m

$216

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 Washington, D.C. Reagan-National Airport to Knoxville

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 typical price of a round-trip flight between Washington, D.C. Reagan-National Airport and Knoxville?

Prices are currently low for flights on this route.

Typical prices usually range from $260 to $356.
The lowest price recently found on this route was $185.

What is the cheapest month to fly to Knoxville?

The month of January is, on average, the cheapest month to fly to Knoxville from Washington, D.C. Reagan-National Airport, with most prices found around $201. If you aren’t able to travel during the month of January, then book flights to Knoxville from Washington, D.C. Reagan-National Airport during February instead. Flights to Knoxville in February, while not as cheap as those in January, still average around $279.

What is the cheapest day to depart on your flight to Knoxville?

The cheapest day to depart from Washington, D.C. Reagan-National Airport to Knoxville is on a Friday. Travelers who choose to depart for Knoxville on a Friday will often find tickets for as low as $252. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Reagan-National Airport to Knoxville for around $290.

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

In the afternoon is the cheapest time of day to fly from Washington, D.C. Reagan-National Airport to Knoxville when you can find flight prices for as low as $150. Flying to Knoxville in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Knoxville is in the morning when prices are around $334.

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

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

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

You are more likely to see cheaper flights to Knoxville from Washington, D.C. Reagan-National Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $340 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from Washington, D.C. Reagan-National Airport for as low as $189 on momondo.

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

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

Can stopping save me money on Washington, D.C. Reagan-National Airport to Knoxville flights?

You could potentially save up to 50% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Knoxville flight.

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

As of July 2026, prices for Washington, D.C. Reagan-National Airport to Knoxville flights are approximately 56% more expensive when compared to flights at the same time last year.

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

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

Estimated round-trip price

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

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

Best Price Found	$243
Fastest flight time	1h 47m
Direct flights	Every day
Airports in Knoxville	1 airport

The best one-way flight to Knoxville from Washington, D.C. Reagan-National Airport in the past 72 hours is $243. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Knoxville found on momondo in the last 72 hours is $279.

The fastest flight from Washington, D.C. Reagan-National Airport to Knoxville takes 1h 47m

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

There is 1 airport in Knoxville. From Washington, D.C. Reagan-National Airport there are direct flights to Knoxville McGhee Tyson (TYS).

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Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Knoxville

How far is Washington, D.C. Reagan-National to Knoxville McGhee Tyson by plane?
There are 426.9 mi between Washington, D.C. Reagan-National and Knoxville McGhee Tyson. A reasonable flight in good conditions will take 1h 47m.
When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Knoxville McGhee Tyson Airport?
Prices for flights from Washington, D.C. Reagan-National Airport to Knoxville McGhee Tyson Airport are updated daily.
How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Knoxville McGhee Tyson Airport?
As of July 2026, there is 1 operator available to choose from for flights from Washington, D.C. Reagan-National Airport to Knoxville McGhee Tyson Airport.
How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Knoxville McGhee Tyson Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Reagan-National Airport to Knoxville McGhee Tyson Airport.
What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?
The travel and health documents required for your trip to Knoxville McGhee Tyson Airport 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 Knoxville McGhee Tyson Airport. 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 Washington, D.C. Reagan-National Airport to Knoxville?
Based on momondo bookings for flights between Washington, D.C. Reagan-National Airport and Knoxville, the leading plane model is Canadair (Bombardier) Regional Jet 700, making up 26.59% of the total bookings. Other popular models include Canadair (Bombardier) Regional Jet 900 with 25.24%, Embraer ERJ-135 / ERJ-140 / ERJ-145 with 19.65%, and Embraer 175 (Enhanced Winglets) with 18.11%.
What is the most popular airline from Washington, D.C. Reagan-National Airport to Knoxville?
Based on momondo bookings for flights between Washington, D.C. Reagan-National Airport and Knoxville, the leading airline is American Airlines, making up 100% of the total bookings.

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

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $189	Free Cancellation	Rating 7.1 11,844 reviews		Search American Airlines flights

American Airlines Flights From Washington, D.C. Reagan-National Airport to Knoxville
American Airlines flies from Washington, D.C. Reagan-National Airport to Knoxville around 20 times per week, with 11,844 momondo users rating the airline 7.1/10. The cheapest American Airlines deal from Washington, D.C. Reagan-National Airport to Knoxville in the last 72 hours was $189 (round-trip), much lower than the average airfare cost of $343 for American Airlines flights on this route.

Pigeon Forge

Gatlinburg

Cherokee

Bryson City

Morristown

Corbin

Alcoa

Maryville

Crossville

Murphy

Oak Ridge

Kodak

Newport

Lenoir City

Dandridge

Clinton

Jefferson City

Rockford

Why use momondo?

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

Finding the right flight to Knoxville from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Knoxville quick and easy, saving you time and money.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Knoxville.

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

Price alerts on flights to Knoxville from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Washington, D.C. Reagan-National Airport to Knoxville from $103

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

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

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

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

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See travel insights to Knoxville from

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

What is the typical price of a round-trip flight between Washington, D.C. Reagan-National Airport and Knoxville?

What is the cheapest month to fly to Knoxville?

What is the cheapest day to depart on your flight to Knoxville?

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

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

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

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

Can stopping save me money on Washington, D.C. Reagan-National Airport to Knoxville flights?

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

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

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

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

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

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

Best Price Found

Fastest flight time

Direct flights

Airports in Knoxville

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Knoxville

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

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

Traveling to a place near Knoxville?

Why use momondo?

An easier way to manage your Knoxville 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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