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Dulles Intl

$91+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — IAD
Jul 27 — Aug 31
Mon 7/27
Mon 8/3
1 adult, Economy
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Find cheap flights from Nashville to Dulles Intl with Cheapflights

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 August or June, booked 23 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap 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 June 27, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 6/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2311:39 am
BNA
-
IAD
Nonstop1h 47m
Allegiant Air
Sat 7/259:10 pm
IAD
-
BNA
Nonstop1h 48m
Allegiant Air
Deal found 6/25$91
This Kissandfly.com deal was found by Cheapflights users on 6/24. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/811:15 am
BNA
-
IAD
Nonstop1h 47m
Allegiant Air
Sun 8/93:27 pm
IAD
-
BNA
Nonstop1h 48m
Allegiant Air
Deal found 6/24$92
This Cheapflightsfares deal was found by Cheapflights users on 6/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/411:15 am
BNA
-
IAD
Nonstop1h 47m
Allegiant Air
Sat 7/119:05 pm
IAD
-
BNA
Nonstop1h 48m
Allegiant Air
Deal found 6/25$95
This CheapOair deal was found by Cheapflights users on 6/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/411:15 am
BNA
-
IAD
Nonstop1h 47m
Allegiant Air
Sat 8/89:05 pm
IAD
-
BNA
Nonstop1h 48m
Allegiant Air
Deal found 6/22$97
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Sat 7/411:15 am
BNA
-
IAD
Nonstop1h 47m
Allegiant Air
Sat 7/49:05 pm
IAD
-
BNA
Nonstop1h 48m
Allegiant Air
Deal found 6/24$104
This CheapOair deal was found by Cheapflights users on 6/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/911:39 am
BNA
-
IAD
Nonstop1h 47m
Allegiant Air
Sat 7/119:05 pm
IAD
-
BNA
Nonstop1h 48m
Allegiant Air
Deal found 6/26$108
This CheapOair deal was found by Cheapflights users on 6/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2511:20 am
BNA
-
IAD
Nonstop1h 47m
Allegiant Air
Sun 7/263:16 pm
IAD
-
BNA
Nonstop1h 48m
Allegiant Air
Deal found 6/25$114

Find 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 June 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$91
(Cheapflightsfares)

Popular in

March

Cheapest in

August

Average price

$198

Good round-trip deal

$390 or less

Good one-way deal

$160 or less
Provider with most accurate pricing for Nashville Intl-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Nashville Intl-Washington, D.C. Dulles Intl flights.
Search Deals
From Nashville Intl to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Nashville Intl to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Nashville Intl to Washington, D.C. Dulles Intl.
Search Deals

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 June 27, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Tue 8/25

6:42 pm-9:30 pm

Nonstop1h 48m

Washington, D.C. Dulles Intl

Sat 8/29

8:30 am-9:29 am

Nonstop1h 59m

$253

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Thu 9/3

8:30 am-11:18 am

Nonstop1h 48m

Washington, D.C. Dulles Intl

Mon 9/7

8:35 am-9:34 am

Nonstop1h 59m

$311

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Fri 8/21

6:42 pm-9:30 pm

Nonstop1h 48m

Washington, D.C. Dulles Intl

Mon 8/24

8:35 am-9:34 am

Nonstop1h 59m

$321

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Sat 7/11

6:30 pm-9:23 pm

Nonstop1h 53m

Washington, D.C. Dulles Intl

Tue 7/14

12:50 pm-1:49 pm

Nonstop1h 59m

$344

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Sat 7/25

6:00 am-11:55 am

1 stop4h 55m

Washington, D.C. Dulles Intl

Sat 7/25

5:42 pm-6:47 pm

Nonstop2h 05m

$350
Quickest round-trip

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Fri 7/31

8:30 am-11:17 am

Nonstop1h 47m

Washington, D.C. Dulles Intl

Sun 8/2

8:30 am-9:29 am

Nonstop1h 59m

$364

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Fri 8/14

9:52 am-4:02 pm

1 stop5h 10m

Washington, D.C. Dulles Intl

Mon 8/17

8:35 am-9:34 am

Nonstop1h 59m

$367

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Mon 7/20

1:35 pm-4:28 pm

Nonstop1h 53m

Washington, D.C. Dulles Intl

Mon 7/27

8:30 am-9:29 am

Nonstop1h 59m

$381

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Fri 7/24

7:40 am-2:12 pm

1 stop5h 32m

Washington, D.C. Dulles Intl

Mon 7/27

8:30 am-9:29 am

Nonstop1h 59m

$390

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Mon 8/3

8:30 am-11:17 am

Nonstop1h 47m

Washington, D.C. Dulles Intl

Fri 8/7

8:15 am-12:29 pm

1 stop5h 14m

$391

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/26

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice 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.

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?

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 22 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 $187). Flying from Nashville to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $421). 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 June 27, 2026.

When flying from Nashville 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.

How much does it cost to fly round-trip from Nashville to Washington, D.C. Dulles Intl Airport?

The best insider tips for Nashville to Washington, D.C. Dulles Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Nashville to Washington, D.C. Dulles Intl Airport trip
Our travel experts
Mark Chesnut

Mark Chesnut

Expert on BNA

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

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

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 June 27, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAllegiant Air 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
7.8
Good
8,453 reviews

Crew

8.5

Food

7.2

Comfort

7.8

Entertainment

7.8

Boarding

8.1

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,453 reviews
Delta
7.8
Good
8,453 reviews

Crew

8.5

Food

7.2

Comfort

7.8

Entertainment

7.8

Boarding

8.1

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,898 reviews
Delta
7.8
Good
8,453 reviews

Crew

8.5

Food

7.2

Comfort

7.8

Entertainment

7.8

Boarding

8.1

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Allegiant Air
7.3
Good
693 reviews
Delta
7.8
Good
8,453 reviews

Crew

8.5

Food

7.2

Comfort

7.8

Entertainment

7.8

Boarding

8.1

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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. 3 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.

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

    For as low as $253, United Airlines can have you in Washington, D.C. Dulles Intl Airport from Nashville in 1h 48m. 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 $54 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $180 and $356 round-trip. These flights start at 81% 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 Allegiant Air (100%), Brussels Airlines (82%) or SWISS (82%) 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 $918, 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 $75 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 $187). Flying from Nashville to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $421). 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
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Falls Church
Laurel
Fredericksburg
Hanover
Chantilly
Manassas
Waldorf
Silver Spring
Largo
Clinton

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Nashville to Dulles Intl

Discover the top 3 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 June 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$54Average$85FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$180Average$321FlexibilityNo cancel feeOn-time69%
DeltaCheapest$356Average$466FlexibilityNo cancel feeOn-timeN/A

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