Dulles Intl

$49+ Cheap flights from Tennessee to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — IAD
Dec 24 — Dec 311
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Cheap flight deals from Tennessee to Dulles Intl

Keep the following information in mind while searching for Tennessee to Dulles Intl flight deals. Data was last updated November 24, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$93
(Breeze Airways)

One-way from

$49
(Trip.com)

Popular in

November

Cheapest in

July

Average price

$328

Good round-trip deal

$368 or less

Good one-way deal

$143 or less
Provider with most accurate pricing for Nashville Intl-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Nashville Intl-Washington, D.C. (WAS) flights.
From Tennessee to Washington, D.C. Dulles Intl
One-way flight from Tennessee to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 16% potential increase in price ($46 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in November 2025
Price to beat on a round-trip flight from Tennessee to Washington, D.C. Dulles Intl.
Price to beat on a one-way flight from Tennessee to Washington, D.C. Dulles Intl.

Find flight deals from Tennessee to Dulles Intl

Cheapest flights from Tennessee to Dulles Intl
Explore the most affordable flight options available from Tennessee to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 24, 2025.

This Breeze Airways deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:00 pmTRI - IAD
Nonstop1h 10mBreeze Airways
Fri 1/23:50 pmIAD - TRI
Nonstop1h 15mBreeze Airways
Deal found 11/24$93
This Kiwi.com deal was found by Cheapflights users on 11/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/71:22 pmTYS - IAD
1 stop23h 26mAllegiant Air
Thu 12/117:57 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 11/22$155
This Kiwi.com deal was found by Cheapflights users on 11/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/75:23 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Sun 12/145:21 pmIAD - TYS
1 stop25h 38mAllegiant Air
Deal found 11/22$160
This Kiwi.com deal was found by Cheapflights users on 11/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/223:45 pmTYS - IAD
1 stop19h 08mAllegiant Air
Wed 12/242:35 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 11/22$178
This Kiwi.com deal was found by Cheapflights users on 11/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/127:42 pmMEM - IAD
1 stop23h 42mMultiple Airlines
Sun 12/145:45 amIAD - MEM
1 stop5h 46mMultiple Airlines
Deal found 11/22$183
This Kiwi.com deal was found by Cheapflights users on 11/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:38 pmTYS - IAD
2 stops18h 00mMultiple Airlines
Wed 12/242:35 pmIAD - TYS
Nonstop1h 40mMultiple Airlines
Deal found 11/22$186
This Kiwi.com deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:55 pmTRI - IAD
1 stop27h 08mMultiple Airlines
Fri 1/23:50 pmIAD - TRI
Nonstop1h 15mMultiple Airlines
Deal found 11/24$187
This Priceline deal was found by Cheapflights users on 11/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/111:11 pmMEM - IAD
1 stop8h 59mFrontier
Sun 12/145:45 amIAD - MEM
1 stop5h 46mFrontier
Deal found 11/22$187
This Frontier deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1411:56 amMEM - IAD
1 stop10h 09mFrontier
Sun 1/45:35 amIAD - MEM
1 stop10h 33mFrontier
Deal found 11/23$188
This United Airlines deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/229:50 amTYS - IAD
Nonstop1h 44mUnited Airlines
Mon 12/299:00 amIAD - TYS
Nonstop1h 56mUnited Airlines
Deal found 11/23$189
This United Airlines deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/127:25 pmTYS - IAD
Nonstop1h 43mUnited Airlines
Mon 12/1512:55 pmIAD - TYS
Nonstop1h 48mUnited Airlines
Deal found 11/23$204
This Kiwi.com deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:11 pmMEM - IAD
1 stop12h 20mMultiple Airlines
Wed 1/75:42 pmIAD - MEM
1 stop24h 18mMultiple Airlines
Deal found 11/23$209

Cheapflights Fare Finder

 
Customize your flight search to find flights from Tennessee to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 24, 2025.
Use the filters below to find and compare flights from Tennessee to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Tennessee

Fly to

Dulles Intl

Route

Depart

Return

Price

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Mon 12/29

2:00 pm-3:10 pm

Nonstop1h 10m

Washington, D.C. Dulles Intl

Fri 1/2

3:50 pm-5:05 pm

Nonstop1h 15m

$93

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Mon 12/22

5:38 pm-11:38 am

2 stops18h 00m

Washington, D.C. Dulles Intl

Wed 12/24

2:35 pm-4:15 pm

Nonstop1h 40m

$186

MemphisWashington, D.C.

MEM - IAD

MEMIAD

Memphis

Sun 12/14

11:56 am-11:05 pm

1 stop10h 09m

Washington, D.C. Dulles Intl

Thu 1/1

5:35 am-3:08 pm

1 stop10h 33m

$188

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Tue 12/23

9:50 am-11:34 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Tue 12/30

12:55 pm-2:48 pm

Nonstop1h 53m

$189

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Mon 12/22

9:50 am-11:34 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Mon 12/29

9:00 am-10:56 am

Nonstop1h 56m

$189

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Mon 12/29

5:55 pm-11:38 am

2 stops17h 43m

Washington, D.C. Dulles Intl

Fri 1/2

3:50 pm-5:05 pm

Nonstop1h 15m

$189

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Tue 1/6

7:22 pm-11:28 am

2 stops16h 06m

Washington, D.C. Dulles Intl

Sun 1/11

4:13 pm-5:53 pm

Nonstop1h 40m

$195

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Tue 1/27

6:58 pm-12:24 am

1 stop5h 26m

Washington, D.C. Dulles Intl

Sat 1/31

7:15 am-12:26 pm

1 stop5h 11m

$201

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Fri 12/12

7:25 pm-9:08 pm

Nonstop1h 43m

Washington, D.C. Dulles Intl

Mon 12/15

12:55 pm-2:43 pm

Nonstop1h 48m

$204

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Tue 1/6

5:40 am-10:55 am

1 stop5h 15m

Washington, D.C. Dulles Intl

Sat 1/10

8:00 am-1:50 pm

1 stop5h 50m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/23

Showing 1-10 of 60 results
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Best time to book a flight from Tennessee to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Tennessee with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Tennessee to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Tennessee to Washington, D.C. Dulles Intl Airport?

Currently, October is the cheapest month in which you can book a flight from Tennessee to Washington, D.C. Dulles Intl Airport (average of $44). Flying from Tennessee to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $208). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from TN to IAD?

Find hourly flight availability from Tennessee to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 24, 2025.

When flying from Tennessee to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 30% versus a flight at noon.

What is the cheapest day to fly from Tennessee to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Tennessee to Dulles Intl. Price data was last updated on November 2, 2025.

Travelers seeking maximum savings on their Tennessee to Washington, D.C. Dulles Intl Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Tennessee to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Tennessee to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 24, 2025.

The most flights from USTN to IAD are scheduled on a Friday (9 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 on average).

Related info for your journey

Find useful and relevant information for your journey from Tennessee to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Tennessee to Washington, D.C. Dulles Intl Airport?

    A quick flight from Tennessee to Washington, D.C. Dulles Intl Airport can take about 1h 10m. Breeze Airways provides one of the quickest options available for as low as $93. There are 320 mi between Tennessee and Washington, D.C. Dulles Intl Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Tennessee to Washington, D.C. Dulles Intl Airport one-way?

    One-way options have recently been found by users for as low as $53 on Allegiant Air. Other airlines that offer cheap prices include United Airlines from $119 and Avelo Airlines from $123 one-way.

  • What are the most popular routes from Tennessee to Washington, D.C. Dulles Intl Airport?

  • What are the most reliable airlines from Tennessee to Washington, D.C. Dulles Intl Airport?

    Consider ITA Airways (79%), Brussels Airlines (79%) or Lufthansa (76%) when booking your flight. These represent the most reliable airlines when flying from Tennessee to Washington, D.C. Dulles Intl Airport.

  • What are the cheapest flights from Tennessee to Washington, D.C. Dulles Intl Airport?

    On average you can expect to pay $1,012 for a flight from Tennessee to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $93 while the most popular route, (Nashville Intl - Washington, D.C. Dulles Intl) is currently priced at $235.

  • Can I find deals for flights from Tennessee to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Tennessee to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Tennessee to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Tennessee to Dulles Intl.

  • Can I find deals for business class flights from Tennessee to Dulles Intl?

    Yes. Cheapflights offers flight deals from Tennessee to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Tennessee to Washington, D.C. Dulles Intl Airport?

    Currently, October is the cheapest month in which you can book a flight from Tennessee to Washington, D.C. Dulles Intl Airport (average of $44). Flying from Tennessee to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $208). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Tysons
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Tennessee to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Tennessee to Dulles Intl

Discover the top 4 airlines that operate flights from Tennessee to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$43Average$84FlexibilityNo cancel feeOn-time88%
DeltaCheapest$132Average$373FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$157Average$323FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$313Average$466FlexibilityNo cancel feeOn-time71%

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