Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Knoxville from $93

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Knoxville departing on 7/14. 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. Dulles Intl Airport to Knoxville

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. Dulles Intl Airport 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
$93Allegiant Air
Find Deal
Mon, Jul 14 - Fri, Jul 18
3:13 pm - 4:47 pmIAD-TYS
1h 34mnonstop
12:45 pm - 2:23 pmTYS-IAD
1h 38mnonstop
$98Allegiant Air
Find Deal
Mon, Jul 14 - Fri, Jul 18
8:30 am - 9:09 pmIAD-TYS
12h 39m1 stop
12:45 pm - 2:23 pmTYS-IAD
1h 38mnonstop
Fri, Jun 6 - Fri, Jun 13
8:30 am - 9:10 pmIAD-TYS
12h 40m1 stop
12:45 pm - 2:23 pmTYS-IAD
1h 38mnonstop
Mon, Jul 14 - Fri, Jul 18
5:44 pm - 7:36 pmIAD-TYS
1h 52mnonstop
9:55 am - 11:37 amTYS-IAD
1h 42mnonstop
$199United Airlines
Find Deal
Wed, Feb 12 - Sat, Feb 15
6:00 am - 11:23 amIAD-TYS
5h 23m1 stop
5:15 pm - 9:05 pmTYS-IAD
3h 50m1 stop
$219Delta
Find Deal
Wed, Feb 12 - Sat, Feb 15
8:15 am - 9:59 amIAD-TYS
1h 44mnonstop
7:25 pm - 9:07 pmTYS-IAD
1h 42mnonstop
$229United Airlines
Find Deal
Tue, Feb 18 - Thu, Feb 20
6:00 am - 12:14 pmIAD-TYS
6h 14m1 stop
2:07 pm - 6:04 pmTYS-IAD
3h 57m1 stop
$254Delta
Find Deal
Tue, Feb 18 - Thu, Feb 20
9:12 am - 2:13 pmIAD-TYS
5h 01m1 stop
2:43 pm - 6:01 pmTYS-IAD
3h 18m1 stop
$279American Airlines
Find Deal
Sun, Feb 23 - Thu, Feb 27
8:14 pm - 11:46 pmIAD-TYS
3h 32m1 stop
7:54 pm - 11:57 pmTYS-IAD
4h 03m1 stop
$308American Airlines
Find Deal
Fri, Apr 4 - Mon, Apr 7

United Airlines flights from Washington, D.C. Dulles Intl Airport to Knoxville

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Knoxville flight tickets
United Airlines
Feb 12
IAD5:44 pmWashington, D.C. Dulles Intl
1h 52m
TYS7:36 pmKnoxville McGhee Tyson
Feb 15
TYS9:55 amKnoxville McGhee Tyson
1h 42m
IAD11:37 amWashington, D.C. Dulles Intl
United Airlines
Feb 18
IAD8:15 amWashington, D.C. Dulles Intl
1h 44m
TYS9:59 amKnoxville McGhee Tyson
Feb 20
TYS7:25 pmKnoxville McGhee Tyson
1h 42m
IAD9:07 pmWashington, D.C. Dulles Intl
United Airlines
Feb 18
IAD8:15 amWashington, D.C. Dulles Intl
1h 44m
TYS9:59 amKnoxville McGhee Tyson
Feb 20
TYS7:00 amKnoxville McGhee Tyson
4h 41m
1 stop
IAD11:41 amWashington, D.C. Dulles Intl

Delta flights from Washington, D.C. Dulles Intl Airport to Knoxville

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Knoxville flight tickets
Delta
Feb 12
IAD6:00 amWashington, D.C. Dulles Intl
5h 23m
1 stop
TYS11:23 amKnoxville McGhee Tyson
Feb 15
TYS5:15 pmKnoxville McGhee Tyson
3h 50m
1 stop
IAD9:05 pmWashington, D.C. Dulles Intl
Delta
Feb 18
IAD6:00 amWashington, D.C. Dulles Intl
6h 14m
1 stop
TYS12:14 pmKnoxville McGhee Tyson
Feb 20
TYS2:07 pmKnoxville McGhee Tyson
3h 57m
1 stop
IAD6:04 pmWashington, D.C. Dulles Intl
Delta
Mar 10
IAD5:14 pmWashington, D.C. Dulles Intl
6h 28m
1 stop
TYS11:42 pmKnoxville McGhee Tyson
Mar 14
TYS7:50 amKnoxville McGhee Tyson
3h 43m
1 stop
IAD11:33 amWashington, D.C. Dulles Intl

See travel insights to Knoxville from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl 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

What is the cheapest month to fly to Knoxville?

The month of August is, on average, the cheapest month to fly to Knoxville from Washington, D.C. Dulles Intl Airport, with most prices found around $319. If you aren’t able to travel during the month of August, then book flights to Knoxville from Washington, D.C. Dulles Intl Airport during September instead. Flights to Knoxville in September, while not as cheap as those in August, still average around $319.

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

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Knoxville is on a Wednesday. Travelers who choose to depart for Knoxville on a Wednesday will often find tickets for as low as $294. 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. Dulles Intl Airport to Knoxville for around $378.

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. Dulles Intl Airport to Knoxville when you can find flight prices for as low as $344. 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 $359.

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

Fly from Washington, D.C. Dulles Intl to Knoxville McGhee Tyson for the best Washington, D.C. Dulles Intl - 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. Dulles Intl Airport when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $393 when searching 21 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from Washington, D.C. Dulles Intl Airport for as low as $267 on momondo.

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

There are 1 cabin classes available to choose from on Washington, D.C. Dulles Intl 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. Dulles Intl Airport to Knoxville flight prices changed over time?

As of January 2025, prices for Washington, D.C. Dulles Intl Airport to Knoxville flights are approximately 5% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Knoxville

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

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

Best Price Found

$100

Fastest flight time

1h 30m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat

Airports in Knoxville

1 airport
The best one-way flight to Knoxville from Washington, D.C. Dulles Intl Airport in the past 72 hours is $100. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Knoxville found on momondo in the last 72 hours is $93.
The fastest flight from Washington, D.C. Dulles Intl Airport to Knoxville takes 1h 30m
Direct flights go from Washington, D.C. Dulles Intl Airport to Knoxville on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. Airlines offering direct flights are: United Airlines and Allegiant Air.
There is 1 airport near Knoxville: Knoxville McGhee Tyson (TYS)

  • How far is Washington, D.C. Dulles Intl to Knoxville McGhee Tyson by plane?

    A flight from Washington, D.C. Dulles Intl to Knoxville McGhee Tyson will travel around 410.2 mi. A reasonable flight in good conditions will take 1h 30m.

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

    Prices for flights from Washington, D.C. Dulles Intl Airport to Knoxville McGhee Tyson Airport were last updated today.

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

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

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

    The required travel and health documents for your Knoxville McGhee Tyson Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Knoxville McGhee Tyson Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Knoxville?

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Knoxville?


Best airlines flying from Washington, D.C. Dulles Intl Airport to Knoxville

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $235Free CancellationRating
7.4
8,927 reviews
Search United Airlines flights
  • United Airlines Flights From Washington, D.C. Dulles Intl Airport to Knoxville

    United Airlines operates around 21 flights from Washington, D.C. Dulles Intl Airport to Knoxville every week. The average price of these flights found in the last 72 hours has been $382, but momondo users have found United Airlines deals from Washington, D.C. Dulles Intl Airport to Knoxville from as low as $235 round-trip. United Airlines has been scored 7.4/10 in 8,927 reviews.


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?

It is quick and easy to find Washington, D.C. to Knoxville flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Knoxville that suits you.

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

momondo does allow users to show only those flights to Knoxville from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

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?

Yes momondo offers price alerts on flights to Knoxville from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Mon 2/3
Mon 2/10
Email me momondo's favorite deals

Find better results for your trip to the United States