Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. to Knoxville from $54

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 6/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

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

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. to Knoxville that have been recently found on momondo from popular airlines, departing in the coming months.
3:13 pm - 4:47 pmIAD-TYS
1h 34mnonstop
12:45 pm - 2:23 pmTYS-IAD
1h 38mnonstop
$119Allegiant Air
Find Deal
Fri, Jul 18 - Mon, Jul 21
6:00 am - 12:03 pmBWI-TYS
6h 03m1 stop
6:20 am - 10:07 amTYS-BWI
27h 47m1 stop
Sun, Mar 9 - Thu, Mar 13
6:40 am - 12:29 pmBWI-TYS
5h 49m1 stop
6:05 pm - 10:19 pmTYS-BWI
4h 14m1 stop
$199American Airlines
Find Deal
Sat, Apr 5 - Sat, Apr 5
8:14 am - 10:05 amDCA-TYS
1h 51mnonstop
4:10 pm - 5:44 pmTYS-DCA
1h 34mnonstop
$199American Airlines
Find Deal
Sat, Apr 5 - Sat, Apr 5
6:00 am - 11:14 amIAD-TYS
5h 14m1 stop
7:23 pm - 12:31 amTYS-IAD
5h 08m1 stop
$219Delta
Find Deal
Tue, Apr 1 - Tue, Apr 1
6:00 am - 10:23 amBWI-TYS
4h 23m1 stop
2:20 pm - 6:48 pmTYS-BWI
4h 28m1 stop
$234Delta
Find Deal
Tue, May 27 - Sat, May 31
10:10 pm - 11:54 pmIAD-TYS
1h 44mnonstop
5:50 am - 7:35 amTYS-IAD
1h 45mnonstop
$259United Airlines
Find Deal
Tue, Mar 25 - Wed, May 14
1:20 pm - 3:04 pmIAD-TYS
1h 44mnonstop
7:00 am - 2:06 pmTYS-IAD
7h 06m1 stop
$269United Airlines
Find Deal
Tue, Mar 25 - Wed, May 14
7:00 am - 3:46 pmDCA-TYS
8h 46m1 stop
4:31 pm - 12:04 pmTYS-DCA
19h 33m1 stop
$358Frontier
Find Deal
Sun, Apr 13 - Thu, Apr 17
7:00 am - 3:46 pmDCA-TYS
8h 46m1 stop
4:31 pm - 12:04 pmTYS-DCA
19h 33m1 stop
$360Frontier
Find Deal
Sun, Apr 13 - Thu, Apr 17

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

Our best Allegiant Air deals on Washington, D.C. to Knoxville flight tickets
Allegiant Air
Jul 18
IAD3:13 pmWashington, D.C. Dulles Intl
1h 34m
TYS4:47 pmKnoxville McGhee Tyson
Jul 21
TYS12:45 pmKnoxville McGhee Tyson
1h 38m
IAD2:23 pmWashington, D.C. Dulles Intl
Allegiant Air
May 23
IAD3:13 pmWashington, D.C. Dulles Intl
1h 34m
TYS4:47 pmKnoxville McGhee Tyson
May 26
TYS12:45 pmKnoxville McGhee Tyson
1h 38m
IAD2:23 pmWashington, D.C. Dulles Intl
Allegiant Air
Mar 7
IAD10:07 amWashington, D.C. Dulles Intl
26h 18m
1 stop
TYS12:25 pmKnoxville McGhee Tyson
Mar 9
TYS3:00 pmKnoxville McGhee Tyson
18h 17m
1 stop
IAD9:17 amWashington, D.C. Dulles Intl

American Airlines flights from Washington, D.C. to Knoxville

Our best American Airlines deals on Washington, D.C. to Knoxville flight tickets
American Airlines
Apr 5
BWI6:40 amBaltimore/Washington
5h 49m
1 stop
TYS12:29 pmKnoxville McGhee Tyson
Apr 5
TYS6:05 pmKnoxville McGhee Tyson
4h 14m
1 stop
BWI10:19 pmBaltimore/Washington
American Airlines
Apr 12
DCA7:54 pmWashington, D.C. Reagan-National
1h 54m
TYS9:48 pmKnoxville McGhee Tyson
Apr 19
TYS7:23 amKnoxville McGhee Tyson
1h 37m
DCA9:00 amWashington, D.C. Reagan-National
American Airlines
Mar 29
DCA1:55 pmWashington, D.C. Reagan-National
1h 44m
TYS3:39 pmKnoxville McGhee Tyson
Mar 30
TYS7:23 amKnoxville McGhee Tyson
1h 36m
DCA8:59 amWashington, D.C. Reagan-National

See travel insights to Knoxville from

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

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 January is, on average, the cheapest month to fly to Knoxville from Washington, D.C., with most prices found around $278. If you aren’t able to travel during the month of January, then book flights to Knoxville from Washington, D.C. during August instead. Flights to Knoxville in August, while not as cheap as those in January, still average around $298.

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 Wednesday. Travelers who choose to depart for Knoxville on a Wednesday will often find tickets for as low as $301. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. to Knoxville for around $372.

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

At noon is the cheapest time of day to fly from Washington, D.C. to Knoxville when you can find flight prices for as low as $342. Flying to Knoxville at noon 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 afternoon when prices are around $349.

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 22 weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $397 when searching 22 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 $249 on momondo.

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

There are 2 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.

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

As of February 2025, prices for Washington, D.C. to Knoxville flights are approximately 53% cheaper 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

$54

Fastest flight time

1h 34m

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 $54. The best round-trip flight deal from Washington, D.C. to Knoxville found on momondo in the last 72 hours is $119.
The fastest flight from Washington, D.C. to Knoxville takes 1h 34m
Direct flights go from Washington, D.C. to Knoxville every day.
There is 1 airport near Knoxville: Knoxville McGhee Tyson (TYS)

  • 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 34m 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?

  • 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?

  • What is the most popular airline from Washington, D.C. to 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
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $96Free CancellationRating
6.0
3,351 reviews
Search Frontier flights
DeltaPriceFrom $213Free CancellationRating
8.0
8,203 reviews
Search Delta flights
American AirlinesPriceFrom $222Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $229Free CancellationRating
7.4
8,754 reviews
Search United Airlines flights
  • United Airlines Flights From Washington, D.C. to Knoxville

    United Airlines flies from Washington, D.C. to Knoxville around 21 times per week, with 8,754 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 $229 (round-trip), much lower than the average airfare cost of $365 for United Airlines flights on this route.

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

    $222 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 $372, however, with flight time and availability significantly affecting the price. American Airlines (7.2/10 from 10,000 user reviews) flies into Knoxville from Washington, D.C. 21 times in an average week so prices can vary.


Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Gatlinburg
Cherokee
Bryson City
Morristown
Corbin
Maryville
Crossville
Murphy
Newport
Oak Ridge
Alcoa
Kodak
Clinton
Lenoir City
Dandridge
Jefferson City
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.


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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Fri 2/28
Fri 3/7

Find better results for your trip to the United States