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Dulles Intl

$35+ 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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — IAD
feb. 7 — feb. 141
sáb. 2/7
sáb. 2/14
1 adult, Economy
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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 enero 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$75
(Kiwi.com)

One-way from

$35
(Kiwi.com)

Popular in

November

Cheapest in

July

Average price

$296

Good round-trip deal

$77 or less

Good one-way deal

$168 or less
Provider with most accurate pricing for Nashville Intl-Washington, D.C. (WAS) flight deals.
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From Tennessee to Washington, D.C. Dulles Intl
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One-way flight from Tennessee to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 12% potential increase in price ($33 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Tennessee to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Tennessee to Washington, D.C. Dulles Intl.
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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 enero 8, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
jue. 1/291:39 pmTYS - IAD
Nonstop1h 44mAllegiant Air
dom. 2/14:13 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 1/6$75
This Kiwi.com deal was found by Cheapflights users on 1/8. 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.
vie. 2/612:53 pmTRI - IAD
Nonstop1h 25mBreeze Airways
lun. 2/92:58 pmIAD - TRI
Nonstop1h 30mBreeze Airways
Deal found 1/8$78
This Booking.com deal was found by Cheapflights users on 1/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 1/221:39 pmTYS - IAD
Nonstop1h 44mAllegiant Air
jue. 1/294:13 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 1/6$80
This Flybillet deal was found by Cheapflights users on 1/7. 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 Flybillet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 1/221:39 pmTYS - IAD
Nonstop1h 44mAllegiant Air
dom. 1/254:13 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 1/7$81
This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
jue. 2/51:39 pmTYS - IAD
Nonstop1h 44mAllegiant Air
jue. 2/128:45 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 1/6$82
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
dom. 2/156:11 pmTYS - IAD
Nonstop1h 44mAllegiant Air
dom. 2/228:30 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 1/7$86
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
vie. 1/1612:53 pmTRI - IAD
Nonstop1h 25mBreeze Airways
lun. 1/192:58 pmIAD - TRI
Nonstop1h 30mBreeze Airways
Deal found 1/7$108
This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
lun. 1/1912:53 pmTRI - IAD
Nonstop1h 25mBreeze Airways
vie. 1/232:58 pmIAD - TRI
Nonstop1h 30mBreeze Airways
Deal found 1/6$118
This Kiwi.com deal was found by Cheapflights users on 1/5. 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.
jue. 4/911:27 amTYS - IAD
Nonstop1h 44mAllegiant Air
dom. 4/122:01 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 1/5$120
This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
dom. 4/1911:27 amTYS - IAD
Nonstop1h 44mAllegiant Air
dom. 4/262:01 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 1/6$146
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
lun. 1/1212:53 pmTRI - IAD
Nonstop1h 25mBreeze Airways
vie. 1/162:58 pmIAD - TRI
Nonstop1h 30mBreeze Airways
Deal found 1/7$147
This Breeze Airways deal was found by Cheapflights users on 1/7. 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.
vie. 1/912:53 pmTRI - IAD
Nonstop1h 25mBreeze Airways
vie. 1/162:58 pmIAD - TRI
Nonstop1h 30mBreeze Airways
Deal found 1/7$148

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 enero 8, 2026.
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

vie. 2/6

12:53 pm-2:18 pm

Nonstop1h 25m

Washington, D.C. Dulles Intl

lun. 2/9

2:58 pm-4:28 pm

Nonstop1h 30m

$78

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

vie. 2/20

12:53 pm-2:18 pm

Nonstop1h 25m

Washington, D.C. Dulles Intl

lun. 2/23

2:58 pm-4:28 pm

Nonstop1h 30m

$78

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

jue. 1/22

1:39 pm-3:23 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

dom. 1/25

4:13 pm-5:53 pm

Nonstop1h 40m

$80

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

dom. 2/15

6:11 pm-7:55 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

dom. 2/22

8:30 pm-10:10 pm

Nonstop1h 40m

$86

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

vie. 1/16

12:53 pm-2:18 pm

Nonstop1h 25m

Washington, D.C. Dulles Intl

lun. 1/19

2:58 pm-4:28 pm

Nonstop1h 30m

$108

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

lun. 1/19

12:53 pm-2:18 pm

Nonstop1h 25m

Washington, D.C. Dulles Intl

vie. 1/23

2:58 pm-4:28 pm

Nonstop1h 30m

$118

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

lun. 1/12

12:53 pm-2:18 pm

Nonstop1h 25m

Washington, D.C. Dulles Intl

vie. 1/16

2:58 pm-4:28 pm

Nonstop1h 30m

$147

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

vie. 2/6

5:08 pm-10:44 am

2 stops17h 36m

Washington, D.C. Dulles Intl

lun. 2/9

2:58 pm-4:28 pm

Nonstop1h 30m

$174

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

jue. 3/12

6:30 am-8:14 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

lun. 3/16

2:39 pm-11:12 am

1 stop20h 33m

$175

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

vie. 2/13

7:25 pm-9:11 pm

Nonstop1h 46m

Washington, D.C. Dulles Intl

dom. 2/15

1:20 pm-3:15 pm

Nonstop1h 55m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

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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 April is currently the most expensive (average of $175). 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 enero 8, 2026.

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 59% versus a flight in the evening.

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 January 3, 2026.

Travelers seeking maximum savings on their Tennessee to Washington, D.C. Dulles Intl Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday evenings 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 enero 8, 2026.

The most flights from USTN to IAD are scheduled on a Monday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 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 25m. Breeze Airways provides one of the quickest options available for as low as $78. There are 320 mi between Tennessee and Washington, D.C. Dulles Intl Airport. Most flights are nonstop.

  • 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 $40 on Allegiant Air. Other airlines that offer cheap prices include United Airlines from $108 and Delta from $163 one-way.

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

    Most travelers choose Nashville Intl - Washington, D.C. Dulles Intl, Memphis - Washington, D.C. Dulles Intl or Chattanooga Lovell Field - Washington, D.C. Dulles Intl when deciding on the best route 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 Southwest (100%), Mesa Airlines (93%) or United Airlines (83%) 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 $523 for a flight from Tennessee to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $123 while the most popular route, (Nashville Intl - Washington, D.C. Dulles Intl) is currently priced at $173.

  • 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 April is currently the most expensive (average of $175). 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
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Hanover
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Upper Marlboro

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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.
Los Angeles to Reagan-National flights
Los Angeles to Dulles Intl flights
Dallas/Fort Worth to Dulles Intl flights
Los Angeles to Baltimore flights
O'Hare Intl to Baltimore flights
Boston to Baltimore flights
Atlanta to Dulles Intl flights
Atlanta to Reagan-National flights
O'Hare Intl to Reagan-National flights
Hobby to Reagan-National flights
Atlanta to Baltimore flights
Boston to Reagan-National flights
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Seattle to Reagan-National flights
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San Francisco to Reagan-National flights
O'Hare Intl to Dulles Intl flights
Dallas/Fort Worth to Reagan-National flights
San Francisco to Dulles Intl flights
Dallas/Fort Worth to Baltimore flights
Seattle to Dulles Intl flights
Tampa to Reagan-National flights
Tampa to Dulles Intl flights
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San Francisco to Baltimore flights
George Bush Intcntl to Dulles Intl flights
George Bush Intcntl to Reagan-National flights
Hobby to Baltimore flights
Denver to Baltimore flights
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Detroit to Baltimore flights
Detroit to Dulles Intl flights
Seattle to Baltimore flights
Denver to Dulles Intl flights
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Minneapolis to Dulles Intl flights
Orlando to Reagan-National flights
Minneapolis to Baltimore flights
Miami to Dulles Intl flights
Midway to Dulles Intl flights
Orlando to Baltimore flights
LaGuardia to Reagan-National flights
Charlotte to Dulles Intl flights
Charlotte to Baltimore flights
John F Kennedy Intl to Reagan-National flights
Ontario to Baltimore flights
Denver to Reagan-National flights
Midway to Reagan-National flights
Austin to Reagan-National flights

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 enero 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$44Average$84FlexibilityNo cancel feeOn-time88%
DeltaCheapest$136Average$456FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$157Average$322FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$313Average$460FlexibilityNo cancel feeOn-time71%

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