Dulles Intl

$40+ 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — IAD
Aug 7 — Aug 141
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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 August 2, 2025.

Round-trip from

$71
(lastminute.com)

One-way from

$40
(Gotogate)

Popular in

March

Cheapest in

June

Average price

$205

Good round-trip deal

$319 or less

Good one-way deal

$138 or less
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. 9% potential increase in price ($24 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in August 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 August 2, 2025.

This lastminute.com deal was found by Cheapflights users on 8/1. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/218:00 amBNA - IAD
Nonstop1h 44mAllegiant Air
Sun 8/244:56 pmIAD - BNA
Nonstop1h 49mAllegiant Air
Deal found 8/1$71
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1112:45 pmTYS - IAD
Nonstop1h 38mAllegiant Air
Mon 8/183:13 pmIAD - TYS
Nonstop1h 34mAllegiant Air
Deal found 7/29$83
This Mytrip deal was found by Cheapflights users on 8/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/318:00 amBNA - IAD
Nonstop1h 44mMultiple Airlines
Sat 9/67:14 pmIAD - BNA
1 stop23h 47mMultiple Airlines
Deal found 8/1$148
This United Airlines deal was found by Cheapflights users on 7/30. 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 9/55:45 amTYS - IAD
Nonstop1h 43mUnited Airlines
Sun 9/710:11 pmIAD - TYS
Nonstop1h 46mUnited Airlines
Deal found 7/30$189
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2912:45 pmTYS - IAD
Nonstop1h 38mMultiple Airlines
Mon 9/18:30 amIAD - TYS
1 stop12h 40mMultiple Airlines
Deal found 7/29$193
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Thu 8/288:30 amBNA - IAD
Nonstop1h 48mUnited Airlines
Sun 8/315:40 pmIAD - BNA
Nonstop1h 58mUnited Airlines
Deal found 8/1$198
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/275:45 amTYS - IAD
1 stop5h 38mDelta
Sat 8/306:00 amIAD - TYS
1 stop4h 27mDelta
Deal found 7/31$204
This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2211:37 amBNA - IAD
1 stop8h 11mFrontier
Sun 8/249:33 pmIAD - BNA
1 stop14h 09mFrontier
Deal found 7/31$205
This Cheapflightsfares deal was found by Cheapflights users on 8/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/187:27 pmBNA - IAD
1 stop15h 56mSun Country Air
Sun 9/2110:54 amIAD - BNA
1 stop5h 45mSun Country Air
Deal found 8/1$231
This Delta deal was found by Cheapflights users on 8/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/267:00 amBNA - IAD
1 stop11h 43mDelta
Tue 9/28:23 pmIAD - BNA
1 stop15h 54mDelta
Deal found 8/1$245
This Delta deal was found by Cheapflights users on 8/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/296:00 amMEM - IAD
1 stop6h 25mDelta
Fri 9/57:22 amIAD - MEM
1 stop5h 19mDelta
Deal found 8/1$257
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Tue 9/27:30 amMEM - IAD
1 stop7h 22mUnited Airlines
Thu 9/45:10 pmIAD - MEM
1 stop5h 33mUnited Airlines
Deal found 7/31$259

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 August 2, 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

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Thu 8/21

8:00 am-10:44 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sun 8/24

4:56 pm-5:45 pm

Nonstop1h 49m

$71

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Mon 8/11

12:45 pm-2:23 pm

Nonstop1h 38m

Washington, D.C. Dulles Intl

Mon 8/18

3:13 pm-4:47 pm

Nonstop1h 34m

$83

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Sun 8/31

8:00 am-10:44 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sat 9/6

7:14 pm-6:01 pm

1 stop23h 47m

$148

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Fri 9/5

5:45 am-7:28 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sun 9/7

10:11 pm-11:57 pm

Nonstop1h 46m

$189

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Fri 8/29

12:45 pm-2:23 pm

Nonstop1h 38m

Washington, D.C. Dulles Intl

Mon 9/1

8:30 am-9:10 pm

1 stop12h 40m

$193

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Thu 8/28

8:30 am-11:18 am

Nonstop1h 48m

Washington, D.C. Dulles Intl

Sun 8/31

5:40 pm-6:38 pm

Nonstop1h 58m

$198

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Wed 8/27

5:45 am-11:23 am

1 stop5h 38m

Washington, D.C. Dulles Intl

Sat 8/30

6:00 am-10:27 am

1 stop4h 27m

$204

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Fri 8/22

11:37 am-8:48 pm

1 stop8h 11m

Washington, D.C. Dulles Intl

Sun 8/24

9:33 pm-10:42 am

1 stop14h 09m

$205

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Thu 9/18

7:27 pm-12:23 pm

1 stop15h 56m

Washington, D.C. Dulles Intl

Sun 9/21

10:54 am-3:39 pm

1 stop5h 45m

$231

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Tue 8/26

7:00 am-7:43 pm

1 stop11h 43m

Washington, D.C. Dulles Intl

Sat 8/30

8:23 pm-11:17 am

1 stop15h 54m

$245

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 43 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, July is the cheapest month in which you can book a flight from Tennessee to Washington, D.C. Dulles Intl Airport (average of $306). Flying from Tennessee to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 August 2, 2025.

When flying from Tennessee to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 August 2, 2025.

The most flights from USTN to IAD are scheduled on a Thursday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated August 2, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Tennessee to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.
  • 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 Frontier from $95 and Delta from $100 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 Avianca (78%), Copa Airlines (74%) or Brussels Airlines (66%) 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 $2,185 for a flight from Tennessee to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $61 while the most popular route, (Nashville Intl - Washington, D.C. Dulles Intl) is currently priced at $71.

  • 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, July is the cheapest month in which you can book a flight from Tennessee to Washington, D.C. Dulles Intl Airport (average of $306). Flying from Tennessee to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Easton
Fairfax
Manassas
Falls Church
Waldorf
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Bowie

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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 August 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$42Average$81FlexibilityNo cancel feeOn-time88%
DeltaCheapest$136Average$352FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$183Average$326FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$256Average$428FlexibilityNo cancel feeOn-time71%

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