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.

$33 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

Fri, Oct 2 - Fri, Oct 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

$92Breeze Airways

Fri, Oct 2 - Mon, Oct 5

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

$92Breeze Airways

Sun, Nov 15 - Sun, Nov 22

3:09 pm - 10:40 amTYS Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl

19h 31m1 stop Sarasota Bradenton Intl

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

1h 32mnonstop

$174Allegiant Air

Thu, Oct 15 - Thu, Oct 22

7:30 pm - 3:29 pmTYS Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl

19h 59m1 stop Valparaiso Destin-Ft Walton Beach

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

1h 28mnonstop

$179Allegiant Air

Thu, Oct 22 - Wed, Oct 28

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

1h 40mnonstop

10:12 pm - 11:59 pmIAD Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson

1h 47mnonstop

$193United Airlines

Sat, Nov 7 - Sat, Nov 14

5:45 am - 7:28 amTYS Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl

1h 43mnonstop

5:45 pm - 7:36 pmIAD Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson

1h 51mnonstop

$193United Airlines

Thu, Oct 15 - Thu, Oct 22

3:08 pm - 12:21 amTYS Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl

9h 13m2 stops Jacksonville Atlanta Hartsfield-Jackson

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

1h 28mnonstop

$193Multiple Airlines

Thu, Oct 1 - Sat, Oct 3

1:37 pm - 3:03 pmTYS Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl

1h 26mnonstop

9:04 pm - 11:03 pmIAD Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson

25h 59m2 stops Atlanta Hartsfield-Jackson Jacksonville

$196Multiple Airlines

Thu, Dec 3 - Tue, Dec 8

10:51 am - 5:32 pmMEM Memphis-IAD Washington, D.C. Dulles Intl

5h 41m1 stop Charlotte Douglas

3:55 pm - 8:36 pmIAD Washington, D.C. Dulles Intl-MEM Memphis

5h 41m1 stop Charlotte Douglas

$277American Airlines

Sat, Oct 3 - Mon, Oct 5

3:17 pm - 10:51 pmMEM Memphis-IAD Washington, D.C. Dulles Intl

6h 34m1 stop Charlotte Douglas

7:15 pm - 11:55 pmIAD Washington, D.C. Dulles Intl-MEM Memphis

5h 40m1 stop Charlotte Douglas

$277American Airlines

Recent last minute flight deals from Tennessee to Dulles Intl

Mon, Sep 14 - Tue, Sep 22

1:49 pm - 6:20 amBNA Nashville Intl-IAD Washington, D.C. Dulles Intl

15h 31m1 stop Las Vegas Harry Reid Intl

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

6h 33m1 stop Orlando

$260Frontier

Sun, Sep 13 - Wed, Oct 14

1:49 pm - 6:20 amBNA Nashville Intl-IAD Washington, D.C. Dulles Intl

15h 31m1 stop Las Vegas Harry Reid Intl

12:30 pm - 5:48 pmIAD Washington, D.C. Dulles Intl-BNA Nashville Intl

6h 18m1 stop Dallas/Fort Worth

$265Frontier

Fri, Sep 11 - Wed, Oct 14

1:49 pm - 6:20 amBNA Nashville Intl-IAD Washington, D.C. Dulles Intl

15h 31m1 stop Las Vegas Harry Reid Intl

12:30 pm - 5:48 pmIAD Washington, D.C. Dulles Intl-BNA Nashville Intl

6h 18m1 stop Dallas/Fort Worth

$265Frontier

Sun, Sep 13 - Sun, Sep 20

5:16 am - 8:42 amTRI Blountville Tri Cities TN/VA-IAD Washington, D.C. Dulles Intl

3h 26m1 stop Charlotte Douglas

5:01 am - 10:38 amIAD Washington, D.C. Dulles Intl-TRI Blountville Tri Cities TN/VA

5h 37m1 stop Charlotte Douglas

$349American Airlines

Wed, Sep 16 - Mon, Sep 21

6:06 pm - 10:51 pmTYS Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl

4h 45m1 stop Charlotte Douglas

6:15 pm - 10:50 pmIAD Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson

4h 35m1 stop Charlotte Douglas

$359American Airlines

Wed, Sep 16 - Mon, Sep 21

1:10 pm - 2:56 pmTYS Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl

1h 46mnonstop

9:00 am - 10:37 amIAD Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson

1h 37mnonstop

$359United Airlines

Wed, Sep 16 - Sun, Sep 20

1:10 pm - 2:56 pmTYS Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl

1h 46mnonstop

9:00 am - 10:37 amIAD Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson

1h 37mnonstop

$369United Airlines

Wed, Sep 16 - Sun, Sep 20

4:57 pm - 10:51 pmTRI Blountville Tri Cities TN/VA-IAD Washington, D.C. Dulles Intl

5h 54m1 stop Charlotte Douglas

5:01 am - 10:38 amIAD Washington, D.C. Dulles Intl-TRI Blountville Tri Cities TN/VA

5h 37m1 stop Charlotte Douglas

$369American Airlines

Tue, Sep 15 - Wed, Sep 16

5:49 pm - 11:14 pmBNA Nashville Intl-IAD Washington, D.C. Dulles Intl

4h 25m1 stop Detroit Metropolitan Wayne County

6:10 am - 9:16 amIAD Washington, D.C. Dulles Intl-BNA Nashville Intl

4h 06m1 stop Detroit Metropolitan Wayne County

$485Delta

Wed, Sep 16 - Sat, Sep 19

10:34 am - 4:30 pmMEM Memphis-IAD Washington, D.C. Dulles Intl

4h 56m1 stop Detroit Metropolitan Wayne County

8:08 am - 2:06 pmIAD Washington, D.C. Dulles Intl-MEM Memphis

6h 58m1 stop Atlanta Hartsfield-Jackson

$489Delta

Recent direct flight deals from Tennessee to Dulles Intl

Fri, Oct 2 - Fri, Oct 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

$92Breeze Airways

Fri, Oct 2 - Mon, Oct 5

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

$92Breeze Airways

Mon, Sep 21 - Fri, Sep 25

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

$102Breeze Airways

Mon, Nov 2 - Fri, Nov 6

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

$158Breeze Airways

Thu, Oct 22 - Wed, Oct 28

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

1h 40mnonstop

10:12 pm - 11:59 pmIAD Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson

1h 47mnonstop

$193United Airlines

Sat, Nov 7 - Sat, Nov 14

5:45 am - 7:28 amTYS Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl

1h 43mnonstop

5:45 pm - 7:36 pmIAD Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson

1h 51mnonstop

$193United Airlines

Thu, Oct 22 - Wed, Oct 28

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

1h 40mnonstop

10:12 pm - 11:59 pmIAD Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson

1h 47mnonstop

$193United Airlines

Mon, Nov 9 - Tue, Nov 17

7:35 pm - 9:15 pmTYS Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl

1h 40mnonstop

9:40 am - 11:30 amIAD Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson

1h 50mnonstop

$193United Airlines

Sun, Oct 4 - Thu, Oct 29

1:37 pm - 3:03 pmTYS Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl

1h 26mnonstop

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

1h 28mnonstop

$253Allegiant Air

Sun, Nov 22 - Sat, Nov 28

6:13 pm - 7:42 pmTYS Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl

1h 29mnonstop

4:22 pm - 5:54 pmIAD Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson

1h 32mnonstop

$291Allegiant Air

Useful Info

Low season	January
High season	October
Cheapest flight	$33

Best time to beat the crowds with an average 3% 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.

Winchester

Linthicum Heights

Hanover

Springfield

Gaithersburg

Towson

Martinsburg

Oxon Hill

Owings Mills

Charles Town

Greenbelt

Glen Burnie

Edgewood

Chesapeake Beach

Camp Springs

Ellicott City

Pikesville

Hunt Valley

Colonial Beach

Lutherville Timonium

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IAD

$33 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

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FAQs for booking Tennessee to Washington Dulles Airport flights

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