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Dulles Intl

$72+ Cheap flights from Nashville (BNA) 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — IAD
Oct 25 — Nov 11
Sat 10/25
Sat 11/1
1 adult, Economy
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1. Tell us where you want to go

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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 55 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 September 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$143
(Frontier)

One-way from

$72
(Priceline)

Popular in

January

Cheapest in

June

Average price

$381

Good round-trip deal

$244 or less

Good one-way deal

$119 or less
Provider with most accurate pricing for Nashville Intl-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Nashville Intl-Washington, D.C. Dulles Intl flights.
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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. 14% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 25, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Fri 10/245:05 amBNA - IAD
1 stop15h 08mMultiple Airlines
Sun 10/268:02 pmIAD - BNA
1 stop14h 42mMultiple Airlines
Deal found 9/24$170
This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Thu 10/165:05 amBNA - IAD
1 stop13h 02mMultiple Airlines
Fri 10/173:10 pmIAD - BNA
1 stop17h 27mMultiple Airlines
Deal found 9/24$175
This Trip.com deal was found by Cheapflights users on 9/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/111:25 pmBNA - IAD
1 stop6h 28mFrontier
Sun 10/127:27 pmIAD - BNA
1 stop22h 57mFrontier
Deal found 9/25$179
This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Thu 10/165:45 amBNA - IAD
1 stop7h 40mMultiple Airlines
Sun 10/193:10 pmIAD - BNA
1 stop17h 07mMultiple Airlines
Deal found 9/24$181
This Kiwi.com deal was found by Cheapflights users on 9/23. 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.
Sun 12/79:47 pmBNA - IAD
1 stop8h 48mMultiple Airlines
Fri 12/129:31 amIAD - BNA
1 stop11h 00mMultiple Airlines
Deal found 9/23$182
This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Fri 10/248:05 pmBNA - IAD
1 stop23h 48mMultiple Airlines
Fri 10/313:49 pmIAD - BNA
1 stop16h 48mMultiple Airlines
Deal found 9/24$185
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 10/95:45 amBNA - IAD
1 stop7h 40mMultiple Airlines
Thu 10/163:10 pmIAD - BNA
1 stop17h 07mMultiple Airlines
Deal found 9/25$187
This Trip.com deal was found by Cheapflights users on 9/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/106:09 pmBNA - IAD
1 stop25h 44mFrontier
Sun 10/127:27 pmIAD - BNA
1 stop22h 57mFrontier
Deal found 9/25$189
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 10/175:05 amBNA - IAD
1 stop14h 38mMultiple Airlines
Sun 10/193:10 pmIAD - BNA
1 stop17h 07mMultiple Airlines
Deal found 9/25$191
This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Wed 10/158:05 pmBNA - IAD
1 stop22h 02mMultiple Airlines
Wed 10/229:00 amIAD - BNA
2 stops27h 47mMultiple Airlines
Deal found 9/24$199
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 10/37:02 pmBNA - IAD
1 stop22h 27mMultiple Airlines
Sun 10/57:14 pmIAD - BNA
1 stop15h 30mMultiple Airlines
Deal found 9/25$200

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 September 25, 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 11/27

1:30 pm-4:15 pm

Nonstop1h 45m

Washington, D.C. Dulles Intl

Tue 12/2

1:00 pm-2:02 pm

Nonstop2h 02m

$205

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Fri 10/24

8:25 am-11:13 am

Nonstop1h 48m

Washington, D.C. Dulles Intl

Fri 10/31

8:25 am-9:27 am

Nonstop2h 02m

$230

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Wed 10/15

1:35 pm-4:23 pm

Nonstop1h 48m

Washington, D.C. Dulles Intl

Wed 10/22

8:20 am-9:16 am

Nonstop1h 56m

$231

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Sun 12/7

8:30 am-11:15 am

Nonstop1h 45m

Washington, D.C. Dulles Intl

Fri 12/12

8:30 am-9:31 am

Nonstop2h 01m

$237

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Thu 3/12

8:30 am-11:16 am

Nonstop1h 46m

Washington, D.C. Dulles Intl

Mon 3/16

8:15 am-9:04 am

Nonstop1h 49m

$237

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Fri 10/24

1:35 pm-4:23 pm

Nonstop1h 48m

Washington, D.C. Dulles Intl

Tue 10/28

5:45 pm-6:51 pm

Nonstop2h 06m

$243

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Thu 12/18

7:30 am-1:35 pm

1 stop5h 05m

Washington, D.C. Dulles Intl

Thu 12/25

6:35 am-9:24 am

1 stop3h 49m

$257

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Wed 11/26

6:35 pm-9:20 pm

Nonstop1h 45m

Washington, D.C. Dulles Intl

Sat 11/29

5:45 pm-6:51 pm

Nonstop2h 06m

$277

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Tue 11/25

8:30 am-11:14 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sat 11/29

8:25 am-9:27 am

Nonstop2h 02m

$277

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Fri 11/21

8:30 am-11:15 am

Nonstop1h 45m

Washington, D.C. Dulles Intl

Sat 11/29

5:45 pm-6:51 pm

Nonstop2h 06m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/24

Showing 1-10 of 23 results
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Compare providers for flights from Nashville to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Nashville to Dulles Intl in September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Nashville-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Nashville-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Nashville-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Nashville-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Nashville-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 September 19, 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 55 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, August is the cheapest month in which you can book a flight from Nashville to Washington, D.C. Dulles Intl Airport (average of $292). 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 September 25, 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.

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 September 25, 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
7,973 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

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
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

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
8,926 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

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
7,973 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

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
699 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

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 1 outbound flight to Washington, D.C. Dulles Intl per day.

  • How long is the flight from Nashville to Washington, D.C. Dulles Intl Airport?

    For as low as $205, United Airlines can have you in Washington, D.C. Dulles Intl Airport from Nashville in 1h 45m. The distance from Nashville to Washington, D.C. Dulles Intl Airport is about 542 mi. Most flights are nonstop.

  • What are the cheapest airlines flying 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 $46 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $136 and $157 round-trip. These flights start at 83% 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 ITA Airways (100%), Allegiant Air (87%) or Copa Airlines (83%) 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 $1,192, our data shows the cheapest flight currently is $83. When looking at the most popular route, (Nashville Intl - Washington, D.C. Dulles Intl), you can expect to pay $170 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, August is the cheapest month in which you can book a flight from Nashville to Washington, D.C. Dulles Intl Airport (average of $292). 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
Gaithersburg
Fredericksburg
Fairfax
Linthicum Heights
Falls Church
Owings Mills
Laurel
Manassas
Hanover
Oxon Hill
Towson
National Harbor
Dundalk
Waldorf

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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 September 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$46Average$78FlexibilityNo cancel feeOn-time88%
DeltaCheapest$136Average$358FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$157Average$310FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$258Average$307FlexibilityNo cancel feeOn-time71%

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