How does KAYAK find such low prices on flights from Tennessee to Washington Dulles Airport?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Tennessee to Washington Dulles Airport.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Tennessee to Washington Dulles Airport?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from Tennessee is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Tennessee to Washington Dulles Airport?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington Dulles Airport with an airline and back to Tennessee with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Tennessee to Washington Dulles Airport?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington Dulles Airport from Tennessee up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$41 CHEAP FLIGHTS from Tennessee to Washington Dulles (IAD)

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Flight Deals

Cheap Flights from Tennessee to Dulles Intl

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Tennessee to Dulles Intl

Thu, Oct 29 - Sun, Nov 1

7:45 am - 9:11 amTYS Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl

1h 26mnonstop

8:16 am - 9:44 amIAD Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson

1h 28mnonstop

$68Allegiant Air

Thu, Nov 5 - Sun, Nov 22

7:45 am - 9:13 amTYS Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl

1h 28mnonstop

8:32 pm - 10:04 pmIAD Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson

1h 32mnonstop

$75Allegiant Air

Fri, Sep 25 - Mon, Sep 28

4:36 pm - 5:56 pmTRI Blountville Tri Cities TN/VA-IAD Washington, D.C. Dulles Intl

1h 20mnonstop

6:36 pm - 8:01 pmIAD Washington, D.C. Dulles Intl-TRI Blountville Tri Cities TN/VA

1h 25mnonstop

$78Breeze Airways

Fri, Nov 6 - Mon, Nov 9

4:36 pm - 5:56 pmTRI Blountville Tri Cities TN/VA-IAD Washington, D.C. Dulles Intl

1h 20mnonstop

6:36 pm - 8:01 pmIAD Washington, D.C. Dulles Intl-TRI Blountville Tri Cities TN/VA

1h 25mnonstop

$88Breeze Airways

Mon, Oct 19 - Thu, Oct 22

5:39 pm - 7:09 pmTYS Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl

25h 30m1 stop Orlando Sanford Intl

10:01 am - 11:29 amIAD Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson

1h 28mnonstop

$144Multiple Airlines

Tue, Sep 8 - Tue, Sep 15

11:12 am - 10:17 amBNA Nashville Intl-IAD Washington, D.C. Dulles Intl

22h 05m1 stop Orlando

11:12 am - 4:45 pmIAD Washington, D.C. Dulles Intl-BNA Nashville Intl

6h 33m1 stop Orlando

$145Frontier

Sat, Sep 5 - Sun, Sep 6

7:20 pm - 9:04 pmTYS Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl

1h 44mnonstop

10:15 pm - 11:59 pmIAD Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson

1h 44mnonstop

$193United Airlines

Sat, Sep 5 - Thu, Sep 10

5:45 am - 7:25 amTYS Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl

1h 40mnonstop

10:15 pm - 11:59 pmIAD Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson

1h 44mnonstop

$210United Airlines

Tue, Nov 3 - Tue, Nov 10

1:51 pm - 8:54 pmMEM Memphis-IAD Washington, D.C. Dulles Intl

6h 03m1 stop Charlotte Douglas

7:17 pm - 11:08 pmIAD Washington, D.C. Dulles Intl-MEM Memphis

4h 51m1 stop Charlotte Douglas

$299American Airlines

Wed, Aug 26 - Mon, Aug 31

6:32 am - 12:48 pmMEM Memphis-IAD Washington, D.C. Dulles Intl

5h 16m1 stop Charlotte Douglas

5:34 pm - 10:50 pmIAD Washington, D.C. Dulles Intl-MEM Memphis

6h 16m1 stop Charlotte Douglas

$299American Airlines

Recent last minute flight deals from Tennessee to Dulles Intl

Thu, Aug 13 - Sat, Aug 15

11:19 am - 2:06 pmBNA Nashville Intl-IAD Washington, D.C. Dulles Intl

1h 47mnonstop

9:05 pm - 9:53 pmIAD Washington, D.C. Dulles Intl-BNA Nashville Intl

1h 48mnonstop

$155Allegiant Air

Thu, Aug 13 - Sat, Aug 15

3:41 pm - 8:20 amBNA Nashville Intl-IAD Washington, D.C. Dulles Intl

15h 39m1 stop Las Vegas Harry Reid Intl

9:05 pm - 9:53 pmIAD Washington, D.C. Dulles Intl-BNA Nashville Intl

1h 48mnonstop

$210Multiple Airlines

Thu, Aug 13 - Sat, Aug 15

8:41 pm - 4:13 pmBNA Nashville Intl-IAD Washington, D.C. Dulles Intl

18h 32m2 stops Pittsburgh DuBois Jefferson County

9:05 pm - 9:53 pmIAD Washington, D.C. Dulles Intl-BNA Nashville Intl

1h 48mnonstop

$226Multiple Airlines

Thu, Aug 13 - Sun, Aug 16

11:19 am - 2:06 pmBNA Nashville Intl-IAD Washington, D.C. Dulles Intl

1h 47mnonstop

3:27 pm - 4:15 pmIAD Washington, D.C. Dulles Intl-BNA Nashville Intl

1h 48mnonstop

$274Allegiant Air

Wed, Aug 12 - Sat, Aug 15

10:22 am - 4:38 pmMEM Memphis-IAD Washington, D.C. Dulles Intl

5h 16m1 stop Detroit Metropolitan Wayne County

6:10 am - 11:26 amIAD Washington, D.C. Dulles Intl-MEM Memphis

6h 16m1 stop Detroit Metropolitan Wayne County

$317Delta

Tue, Aug 11 - Wed, Aug 12

5:53 pm - 11:26 pmMEM Memphis-IAD Washington, D.C. Dulles Intl

4h 33m1 stop Detroit Metropolitan Wayne County

6:10 am - 9:37 amIAD Washington, D.C. Dulles Intl-MEM Memphis

4h 27m1 stop Detroit Metropolitan Wayne County

$317Delta

Tue, Aug 11 - Fri, Aug 21

1:00 pm - 2:46 pmTYS Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl

1h 46mnonstop

10:15 pm - 11:59 pmIAD Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson

1h 44mnonstop

$319United Airlines

Tue, Aug 11 - Fri, Aug 21

8:10 am - 12:48 pmTYS Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl

4h 38m1 stop Charlotte Douglas

6:10 am - 9:43 amIAD Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson

3h 33m1 stop Charlotte Douglas

$339American Airlines

Thu, Aug 13 - Sun, Aug 16

7:20 pm - 9:04 pmTYS Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl

1h 44mnonstop

12:50 pm - 2:37 pmIAD Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson

1h 47mnonstop

$349United Airlines

Fri, Aug 14 - Sun, Aug 16

5:29 pm - 8:56 pmTRI Blountville Tri Cities TN/VA-IAD Washington, D.C. Dulles Intl

3h 27m1 stop Charlotte Douglas

6:33 am - 10:41 amIAD Washington, D.C. Dulles Intl-TRI Blountville Tri Cities TN/VA

4h 08m1 stop Charlotte Douglas

$369American Airlines

Recent direct flight deals from Tennessee to Dulles Intl

Thu, Oct 29 - Sun, Nov 1

7:45 am - 9:11 amTYS Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl

1h 26mnonstop

8:16 am - 9:44 amIAD Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson

1h 28mnonstop

$68Allegiant Air

Thu, Nov 5 - Sun, Nov 22

7:45 am - 9:13 amTYS Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl

1h 28mnonstop

8:32 pm - 10:04 pmIAD Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson

1h 32mnonstop

$75Allegiant Air

Fri, Sep 25 - Mon, Sep 28

4:36 pm - 5:56 pmTRI Blountville Tri Cities TN/VA-IAD Washington, D.C. Dulles Intl

1h 20mnonstop

6:36 pm - 8:01 pmIAD Washington, D.C. Dulles Intl-TRI Blountville Tri Cities TN/VA

1h 25mnonstop

$78Breeze Airways

Thu, Nov 5 - Sun, Nov 8

7:45 am - 9:13 amTYS Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl

1h 28mnonstop

9:48 am - 11:23 amIAD Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson

1h 35mnonstop

$79Allegiant Air

Sun, Nov 1 - Sun, Nov 22

6:00 am - 7:26 amTYS Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl

1h 26mnonstop

8:32 pm - 10:04 pmIAD Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson

1h 32mnonstop

$79Allegiant Air

Fri, Nov 6 - Mon, Nov 9

4:36 pm - 5:56 pmTRI Blountville Tri Cities TN/VA-IAD Washington, D.C. Dulles Intl

1h 20mnonstop

6:36 pm - 8:01 pmIAD Washington, D.C. Dulles Intl-TRI Blountville Tri Cities TN/VA

1h 25mnonstop

$88Breeze Airways

Fri, Sep 4 - Mon, Sep 14

12:47 pm - 2:12 pmTRI Blountville Tri Cities TN/VA-IAD Washington, D.C. Dulles Intl

1h 25mnonstop

6:36 pm - 8:01 pmIAD Washington, D.C. Dulles Intl-TRI Blountville Tri Cities TN/VA

1h 25mnonstop

$108Breeze Airways

Sat, Sep 5 - Sun, Sep 6

7:20 pm - 9:04 pmTYS Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl

1h 44mnonstop

10:15 pm - 11:59 pmIAD Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson

1h 44mnonstop

$193United Airlines

Sat, Sep 5 - Thu, Sep 10

5:45 am - 7:25 amTYS Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl

1h 40mnonstop

10:15 pm - 11:59 pmIAD Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson

1h 44mnonstop

$210United Airlines

Thu, Sep 10 - Fri, Sep 11

6:42 pm - 9:30 pmBNA Nashville Intl-IAD Washington, D.C. Dulles Intl

1h 48mnonstop

5:45 pm - 6:47 pmIAD Washington, D.C. Dulles Intl-BNA Nashville Intl

2h 02mnonstop

$258United Airlines

Useful Info

Low season	January
High season	October
Cheapest flight	$41

Best time to beat the crowds with an average 6% drop in price.

Most popular time to fly and prices are also 14% lower on average.

Flight from Knoxville to Washington Dulles Airport

How does KAYAK find such low prices on flights from Tennessee to Washington Dulles Airport?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Tennessee to Washington Dulles Airport.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Tennessee to Washington Dulles Airport?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from Tennessee is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Tennessee to Washington Dulles Airport?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington Dulles Airport with an airline and back to Tennessee with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Tennessee to Washington Dulles Airport?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington Dulles Airport from Tennessee up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Dulles Intl

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Washington Dulles Airport (IAD)

IAD

$41 Find Cheap Flights from Tennessee to Washington Dulles Airport - Compare and Save

Cheap Flights from Tennessee to Dulles Intl

Recent round-trip flight deals from Tennessee to Dulles Intl

Recent one-way flight deals from Tennessee to Dulles Intl

Recent last minute flight deals from Tennessee to Dulles Intl

Recent direct flight deals from Tennessee to Dulles Intl

Good to know

Low season

High season

Cheapest flight

FAQs for booking Tennessee to Washington Dulles Airport flights

Everything you need to know for your flight to Dulles Intl

Information on your arrival and departure airports

Cabin class types available on flights to Dulles Intl

Complete your trip to Dulles Intl with a hotel stay or car rental

Find direct flights for Dulles Intl

Flights to other popular destinations

Flights from domestic origins to Tennessee

Choose which airport to fly into in Washington, D.C.

Find deals for your return flight