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Dulles Intl

$68+ Cheap flights from Nashville (BNA) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — IAD
Aug 18 — Aug 251
Mon 8/18
Mon 8/25
1 adult, Economy
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Cheapflights Tip: The best prices from Nashville Intl to Washington, D.C. Dulles Intl are usually found in June or July, booked 86 days in advance, depart on a Thursday or Friday and return on a Sunday

Cheap flight deals from Nashville to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Nashville (BNA) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 13, 2025.

Round-trip from

$76
(Cheapflightsfares)

One-way from

$68
(Flightnetwork)

Popular in

January

Cheapest in

June

Average price

$189

Good round-trip deal

$248 or less

Good one-way deal

$119 or less
From Nashville Intl to Washington, D.C. Dulles Intl
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One-way flight from Nashville Intl to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 13% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Nashville Intl to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Nashville Intl to Washington, D.C. Dulles Intl.
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Find flight deals from Nashville to Dulles Intl

Cheapest flights from Nashville to Dulles Intl
Explore the most affordable flight options available from Nashville to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2025.

This Mytrip deal was found by Cheapflights users on 8/11. 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.
Thu 8/218:00 amBNA - IAD
Nonstop1h 44mAllegiant Air
Sun 8/244:56 pmIAD - BNA
Nonstop1h 49mAllegiant Air
Deal found 8/11$68
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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 8/288:00 amBNA - IAD
Nonstop1h 44mAllegiant Air
Sun 8/314:56 pmIAD - BNA
Nonstop1h 49mAllegiant Air
Deal found 8/12$76
This Cheapflightsfares deal was found by Cheapflights users on 8/11. 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.
Sun 8/248:00 amBNA - IAD
Nonstop1h 44mAllegiant Air
Sun 8/244:56 pmIAD - BNA
Nonstop1h 49mAllegiant Air
Deal found 8/11$84
This Cheapflightsfares deal was found by Cheapflights users on 8/11. 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.
Sat 8/1611:23 amBNA - IAD
Nonstop1h 44mAllegiant Air
Sat 8/308:12 pmIAD - BNA
Nonstop1h 49mAllegiant Air
Deal found 8/11$102
This Cheapflightsfares deal was found by Cheapflights users on 8/11. 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 8/147:30 amBNA - IAD
Nonstop1h 44mAllegiant Air
Sun 8/1711:04 amIAD - BNA
Nonstop1h 49mAllegiant Air
Deal found 8/11$140
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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.
Sat 8/1611:23 amBNA - IAD
Nonstop1h 44mAllegiant Air
Sun 8/1711:04 amIAD - BNA
Nonstop1h 49mAllegiant Air
Deal found 8/12$144
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 8/288:00 amBNA - IAD
Nonstop1h 44mMultiple Airlines
Sat 9/207:14 pmIAD - BNA
1 stop23h 57mMultiple Airlines
Deal found 8/12$148
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 8/288:00 amBNA - IAD
Nonstop1h 44mMultiple Airlines
Mon 9/19:33 pmIAD - BNA
1 stop22h 14mMultiple Airlines
Deal found 8/11$162

Cheapflights Fare Finder

 
Customize your flight search to find flights from Nashville 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 13, 2025.
Use the filters below to find and compare flights from Nashville to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Nashville

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

$68

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Thu 8/28

8:00 am-10:44 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sun 8/31

4:56 pm-5:45 pm

Nonstop1h 49m

$76

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Sun 8/24

8:00 am-10:44 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sun 8/24

4:56 pm-5:45 pm

Nonstop1h 49m

$84

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Sat 8/16

11:23 am-2:07 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sat 8/30

8:12 pm-9:01 pm

Nonstop1h 49m

$102

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Sat 8/16

11:23 am-2:07 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sun 8/17

11:04 am-11:53 am

Nonstop1h 49m

$144

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Thu 8/28

8:00 am-10:44 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sat 9/20

7:14 pm-6:11 pm

1 stop23h 57m

$148

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Thu 8/28

8:00 am-10:44 am

Nonstop1h 44m

$68

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Thu 10/30

10:54 am-7:23 pm

1 stop7h 29m

$71

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Thu 10/23

10:54 am-7:23 pm

1 stop7h 29m

$74

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Sat 8/16

11:23 am-2:07 pm

Nonstop1h 44m

$79

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 15 results
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The best insider tips for Nashville to Washington, D.C. Dulles Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Nashville to Washington, D.C. Dulles Intl Airport trip
Airports
BNA

For self-parking, Terminal Garage 1 and 2 are closest to the terminal. For cheaper options, consider Terminal Lot A, within walking distance.

Read more about BNAby Mark Chesnut
IAD

The Washington Metro Silver line reaches IAD in under 40 minutes, offering a cheap and convenient way to get to the city.

Read more about IADby Ramsey Qubein
Our travel experts
Mark Chesnut

Mark Chesnut

Expert on BNA

Mark Chesnut

Mark Chesnut

Mark Chesnut is a travel writer and public speaker with more than 30 years of experience. The 2019 winner of the NLGJA Excellence in Travel Writing Award, Mark is the author of the book “Prepare for Departure” and has covered air travel for multiple top consumer and trade media outlets.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Best time to book a flight from Nashville to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Nashville 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 Nashville to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from Nashville to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Nashville to Dulles Intl. Price data was last updated on August 8, 2025.

To ensure you get the cheapest price possible for a flight from Nashville to Washington, D.C. Dulles Intl Airport, you should look to book at least 86 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, July is the cheapest month in which you can book a flight from Nashville to Washington, D.C. Dulles Intl Airport (average of $302). Flying from Nashville 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 BNA to IAD?

Find hourly flight availability from Nashville 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 13, 2025.

It’s typically best to fly out from Nashville to Washington, D.C. Dulles Intl Airport in the evening. Doing so could potentially save you 90% on the flight price compared to flying at noon, which is usually more expensive.

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

Explore weekly flight availability from Nashville 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 13, 2025.

The most flights from BNA to IAD are scheduled on a Monday (10 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 13, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Nashville to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,979 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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!
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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!
United Airlines
7.4
Good
8,920 reviews
Delta
8.0
Very good
7,979 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,979 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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!
Allegiant Air
7.2
Good
702 reviews
Delta
8.0
Very good
7,979 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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 Nashville 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 airport do you fly from for flights from Nashville to Washington, D.C. Dulles Intl?

    Nashville Intl (BNA), located 6.0 mi from the city center, is the airport you fly out of when you book flights from Nashville to Washington, D.C. Dulles Intl. 4 airlines have flights from Nashville Intl to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Nashville Intl to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 8 outbound flights to Washington, D.C. Dulles Intl per day.

  • What is the cheapest airline to fly from Nashville to Washington, D.C. Dulles Intl Airport round-trip?

    Our cheapest airline available from Nashville to Washington, D.C. Dulles Intl Airport is Allegiant Air. Our recent data shows that you can find tickets from as low as $76 on this airline. This flight start at 73% lower than the current average price 3 months from now.

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

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

    While on average a flight from Nashville to Washington, D.C. Dulles Intl Airport is generally $1,148, our data shows the cheapest flight currently is $56. When looking at the most popular route, (Nashville Intl - Washington, D.C. Dulles Intl), you can expect to pay $76 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Nashville 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 Nashville to Washington, D.C. Dulles Intl Airport?

    Currently, July is the cheapest month in which you can book a flight from Nashville to Washington, D.C. Dulles Intl Airport (average of $302). Flying from Nashville 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
Springfield
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Fairfax
Manassas
Falls Church
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Waldorf
Bowie

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Top 4 airlines flying from Nashville to Dulles Intl

Discover the top 4 airlines that operate flights from Nashville 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 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$46Average$78FlexibilityNo cancel feeOn-time88%
DeltaCheapest$136Average$358FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$175Average$322FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$256Average$317FlexibilityNo cancel feeOn-time71%

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