How long does it take to fly to Knoxville?

Average flight duration from Washington, D.C. to Knoxville depends on which airport you fly into and out of. Flying from Baltimore to Knoxville is 1h 35m on average, while flying from Washington, D.C. to Knoxville is 1h 44m on average. Knoxville is the most popular airport in Knoxville.

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

Allegiant Air, Frontier, and Southwest are the most popular carriers operating from Washington, D.C. to Knoxville McGhee Tyson

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

51 flights are operational weekly from Washington, D.C. to Knoxville as of February 2026. The most popular departure day for this route is Mon, with 33% of flights per week taking off on this day.

What airlines fly to Knoxville?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Knoxville from Washington, D.C. according to our data. American Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Knoxville. Keep in mind that there are 6 different airlines that fly to Knoxville on a routine basis, so you have a few additional options to choose from.

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

The number of flights available between Washington, D.C. and Knoxville is 7 per day as of February 2026. The most frequent departure time is 5:00PM, with 60% of daily flights leaving in the afternoon.

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

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

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

There are 5 operators available for flights from Washington, D.C. to Knoxville McGhee Tyson Airport as of February 2026.

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

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 Washington, D.C. to Knoxville McGhee Tyson Airport.

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

The travel and health documents you'll need for your trip to Knoxville McGhee Tyson 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 Knoxville McGhee Tyson Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$40 Cheap Flights from Washington, D.C. to Knoxville in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from $89 to $384. The lowest price recently found on this route was $85.

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Find the cheapest flights from Washington, D.C. to Knoxville

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Enter your travel dates to find the best prices.

9:04 am - 10:44 am

IAD

TYS

1h 40mnonstop

6:30 am - 8:14 am

TYS

IAD

1h 44mnonstop

$85Allegiant Air

Thu, Mar 12 - Sun, Mar 15

9:04 am - 10:44 am

IAD

TYS

1h 40mnonstop

6:30 am - 8:14 am

TYS

IAD

1h 44mnonstop

$89Allegiant Air

Thu, Mar 12 - Sun, Mar 15

9:04 am - 10:44 am

IAD

TYS

1h 40mnonstop

6:30 am - 8:14 am

TYS

IAD

1h 44mnonstop

$90Allegiant Air

Thu, Mar 12 - Sun, Mar 15

9:04 am - 10:44 am

IAD

TYS

1h 40mnonstop

6:30 am - 8:14 am

TYS

IAD

1h 44mnonstop

$93Allegiant Air

Thu, Mar 12 - Sun, Mar 15

9:04 am - 10:44 am

IAD

TYS

1h 40mnonstop

6:30 am - 8:14 am

TYS

IAD

1h 44mnonstop

$94Allegiant Air

Thu, Mar 12 - Sun, Mar 15

8:30 pm - 10:10 pm

IAD

TYS

1h 40mnonstop

10:56 am - 9:25 am

TYS

IAD

22h 29m

1 stop

$151Multiple Airlines

Sun, Feb 22 - Wed, Feb 25

9:18 am - 11:11 am

DCA

TYS

1h 53mnonstop

6:05 am - 7:47 am

TYS

DCA

1h 42mnonstop

$161American Airlines

Wed, Apr 1 - Sat, Apr 4

7:25 pm - 9:10 pm

BWI

TYS

1h 45mnonstop

7:50 am - 9:35 am

TYS

BWI

1h 45mnonstop

$163Southwest

Tue, Mar 10 - Tue, Mar 17

7:49 pm - 9:38 pm

DCA

TYS

1h 49mnonstop

6:05 am - 7:47 am

TYS

DCA

1h 42mnonstop

$164American Airlines

Fri, Mar 20 - Sat, Mar 28

7:05 pm - 8:50 pm

BWI

TYS

1h 45mnonstop

8:15 am - 10:00 am

TYS

BWI

1h 45mnonstop

$173Southwest

Tue, Apr 21 - Tue, Apr 28

Allegiant Air flights from Washington, D.C. to Knoxville

Our best Allegiant Air deals on Washington, D.C. to Knoxville flight tickets

Allegiant Air

Mar 12

IAD9:04 amWashington, D.C. Dulles Intl

1h 40m

TYS10:44 amKnoxville McGhee Tyson

Mar 15

TYS6:30 amKnoxville McGhee Tyson

1h 44m

IAD8:14 amWashington, D.C. Dulles Intl

$85

Allegiant Air

Mar 12

IAD9:04 amWashington, D.C. Dulles Intl

1h 40m

TYS10:44 amKnoxville McGhee Tyson

Mar 15

TYS6:30 amKnoxville McGhee Tyson

1h 44m

IAD8:14 amWashington, D.C. Dulles Intl

$89

Allegiant Air

Mar 12

IAD9:04 amWashington, D.C. Dulles Intl

1h 40m

TYS10:44 amKnoxville McGhee Tyson

Mar 15

TYS6:30 amKnoxville McGhee Tyson

1h 44m

IAD8:14 amWashington, D.C. Dulles Intl

$90

Southwest flights from Washington, D.C. to Knoxville

Our best Southwest deals on Washington, D.C. to Knoxville flight tickets

Southwest

Mar 10

BWI7:25 pmBaltimore/Washington

1h 45m

TYS9:10 pmKnoxville McGhee Tyson

Mar 17

TYS7:50 amKnoxville McGhee Tyson

1h 45m

BWI9:35 amBaltimore/Washington

$163

Southwest

Apr 21

BWI7:05 pmBaltimore/Washington

1h 45m

TYS8:50 pmKnoxville McGhee Tyson

Apr 28

TYS7:05 amKnoxville McGhee Tyson

5h 10m

1 stop

BWI12:15 pmBaltimore/Washington

$173

Southwest

Mar 10

BWI9:25 amBaltimore/Washington

10h 40m

2 stops

TYS8:05 pmKnoxville McGhee Tyson

Mar 17

TYS7:50 amKnoxville McGhee Tyson

1h 45m

BWI9:35 amBaltimore/Washington

$178

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Thu 3/12

9:04 am-10:44 am

Nonstop1h 40m

Knoxville McGhee Tyson

Sun 3/15

6:30 am-8:14 am

Nonstop1h 44m

$85

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Thu 3/12

9:04 am-10:44 am

Nonstop1h 40m

Knoxville McGhee Tyson

Sun 3/15

6:30 am-8:14 am

Nonstop1h 44m

$89

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Thu 3/12

9:04 am-10:44 am

Nonstop1h 40m

Knoxville McGhee Tyson

Sun 3/15

6:30 am-8:14 am

Nonstop1h 44m

$90

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Thu 3/12

9:04 am-10:44 am

Nonstop1h 40m

Knoxville McGhee Tyson

Sun 3/15

6:30 am-8:14 am

Nonstop1h 44m

$93

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Thu 3/12

9:04 am-10:44 am

Nonstop1h 40m

Knoxville McGhee Tyson

Sun 3/15

6:30 am-8:14 am

Nonstop1h 44m

$94

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Sun 2/22

8:30 pm-10:10 pm

Nonstop1h 40m

Knoxville McGhee Tyson

Wed 2/25

10:56 am-9:25 am

1 stop22h 29m

$151

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Wed 4/1

9:18 am-11:11 am

Nonstop1h 53m

Knoxville McGhee Tyson

Sat 4/4

6:05 am-7:47 am

Nonstop1h 42m

$161

BaltimoreKnoxville

BWI - TYS

BWITYS

Baltimore/Washington

Tue 3/10

7:25 pm-9:10 pm

Nonstop1h 45m

Knoxville McGhee Tyson

Tue 3/17

7:50 am-9:35 am

Nonstop1h 45m

$163

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Fri 3/20

7:49 pm-9:38 pm

Nonstop1h 49m

Knoxville McGhee Tyson

Sat 3/28

6:05 am-7:47 am

Nonstop1h 42m

$164

BaltimoreKnoxville

BWI - TYS

BWITYS

Baltimore/Washington

Tue 4/21

7:05 pm-8:50 pm

Nonstop1h 45m

Knoxville McGhee Tyson

Tue 4/28

8:15 am-10:00 am

Nonstop1h 45m

$173

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. 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. and Knoxville?

What is the cheapest month to fly to Knoxville?

The month of February is, on average, the cheapest month to fly to Knoxville from Washington, D.C., with most prices found around $199. If you aren’t able to travel during the month of February, then book flights to Knoxville from Washington, D.C. during August instead. Flights to Knoxville in August, while not as cheap as those in February, still average around $219.

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

The cheapest day to depart from Washington, D.C. to Knoxville is on a Friday. Travelers who choose to depart for Knoxville on a Friday will often find tickets for as low as $276. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. to Knoxville for around $312.

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. to Knoxville when you can find flight prices for as low as $225. 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 $320.

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

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

How far in advance should I book a flight to Knoxville?

You are more likely to see cheaper flights to Knoxville from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $295 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. for as low as $120 on momondo.

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

There are 4 cabin classes available to choose from on Washington, D.C. to Knoxville McGhee Tyson 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. to Knoxville flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. to Knoxville.

How have Washington, D.C. to Knoxville flight prices changed over time?

As of February 2026, prices for Washington, D.C. to Knoxville flights are approximately 115% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Knoxville

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. 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. to Knoxville (WAS to TYS) flight deals and tips

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

Best Price Found	$87
Fastest flight time	1h 35m
Direct flights	Every day
Airports in Knoxville	1 airport

The best one-way flight to Knoxville from Washington, D.C. in the past 72 hours is $87. The best round-trip flight deal from Washington, D.C. to Knoxville found on momondo in the last 72 hours is $120.

The fastest flight from Washington, D.C. to Knoxville takes 1h 35m

Direct flights go from Washington, D.C. to Knoxville every day.

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

Search flight deals

How far is Washington, D.C. to Knoxville McGhee Tyson by plane?
A flight from Washington, D.C. to Knoxville McGhee Tyson will travel around 428.6 mi. Typically, this will take 1h 35m by plane in normal conditions.
When did momondo last update prices for flights from Washington, D.C. to Knoxville McGhee Tyson Airport?
Prices for flights from Washington, D.C. to Knoxville McGhee Tyson Airport are updated daily.
How many operators does momondo search for flights from Washington, D.C. to Knoxville McGhee Tyson Airport?
There are 5 operators available for flights from Washington, D.C. to Knoxville McGhee Tyson Airport as of February 2026.
How old do you have to be to fly from Washington, D.C. to Knoxville McGhee Tyson Airport?
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 Washington, D.C. to Knoxville McGhee Tyson Airport.
What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?
The travel and health documents you'll need for your trip to Knoxville McGhee Tyson 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 Knoxville McGhee Tyson 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 Washington, D.C. to Knoxville?
momondo data reveals that the most frequently booked plane model on the route from Washington, D.C. to Knoxville is Embraer ERJ-135 / ERJ-140 / ERJ-145, representing 32.54% of all bookings. The subsequent popular models are Canadair (Bombardier) Regional Jet 700 at 23.45%, Canadair (Bombardier) Regional Jet 900 at 18.84%, and Airbus A320-100/200 at 16.21%.
What is the most popular airline from Washington, D.C. to Knoxville?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. to Knoxville is American Airlines, representing 47% of all bookings. The subsequent popular airlines are United Airlines at 31% and Allegiant Air at 22%.

Best airlines flying from Washington, D.C. to Knoxville

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

Airline	Rating	Free Cancellation	Price
Allegiant Air	PriceFrom $42	Free Cancellation	Rating 7.2 711 reviews	Search Allegiant Air flights
Delta	PriceFrom $162	Free Cancellation	Rating 7.9 8,180 reviews	Search Delta flights
United Airlines	PriceFrom $187	Free Cancellation	Rating 7.4 9,273 reviews	Search United Airlines flights
American Airlines	PriceFrom $189	Free Cancellation	Rating 7.2 11,265 reviews	Search American Airlines flights
Southwest	PriceFrom $217	Free Cancellation	Rating 8.0 4,280 reviews	Search Southwest flights

United Airlines Flights From Washington, D.C. to Knoxville
United Airlines flies from Washington, D.C. to Knoxville around 9 times per week, with 9,273 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Washington, D.C. to Knoxville in the last 72 hours was $187 (round-trip), much lower than the average airfare cost of $366 for United Airlines flights on this route.
American Airlines Flights From Washington, D.C. to Knoxville
$189 is the best American Airlines flight deal from Washington, D.C. to Knoxville found on momondo over the last 72 hours. The average American Airlines ticket price found was closer to $317, however, with flight time and availability significantly affecting the price. American Airlines (7.2/10 from 11,265 user reviews) flies into Knoxville from Washington, D.C. 9 times in an average week so prices can vary.

Pigeon Forge

Gatlinburg

Cherokee

Bryson City

Morristown

Corbin

Maryville

Alcoa

Crossville

Murphy

Oak Ridge

Lenoir City

Newport

Kodak

Dandridge

Jefferson City

Clinton

Rockford

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Knoxville. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Knoxville from Washington, D.C. with this policy.

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?

Of course. momondo tracks the price of Washington, D.C. to Knoxville flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Washington, D.C. to Knoxville from $40

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Knoxville departing on 3/5. 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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How to get the cheapest flight ticket from Washington, D.C. to Knoxville

What is the typical price of a round-trip flight between Washington, D.C. 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. to Knoxville McGhee Tyson flight route?

How far in advance should I book a flight to Knoxville?

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

Can stopping save me money on Washington, D.C. to Knoxville flights?

How have Washington, D.C. to Knoxville flight prices changed over time?

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

What airlines fly to Knoxville?

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

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

How long does it take to fly to Knoxville?

When to book flights from Washington, D.C. to Knoxville

Cheap Washington, D.C. to Knoxville (WAS to TYS) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Knoxville

Best airlines flying from Washington, D.C. to Knoxville

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

United Airlines Flights From Washington, D.C. to Knoxville

American Airlines Flights From Washington, D.C. to Knoxville

Traveling to a place near Knoxville?

Why use momondo?

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

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

How can momondo help me find flights 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?

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

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List of cabin classes available on flights landing in Knoxville. Availability may vary depending on flight origin and airline.

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