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Dulles Intl

$129+ Cheap flights from Nashville (BNA) to Dulles Intl (IAD)

BNA — IAD
Oct 26 — Nov 21
Mon 10/26
Mon 11/2
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

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Nashville Intl to Washington, D.C. Dulles Intl are usually found in June or August, booked 46 days in advance, depart on a Thursday or Friday and return on a Saturday

Cheap flight deals from Nashville to Dulles Intl

Cheapest flights from Nashville to Dulles Intl

Sat 10/249:38 am -
2 stops13h 43m
Mon 10/2611:12 am -
1 stop9h 31m
Deal found 9/22$238
Thu 10/159:44 pm -
1 stop31h 36m
Sat 10/1712:30 pm -
1 stop6h 21m
Deal found 9/22$239
Thu 11/58:26 pm -
1 stop12h 55m
Mon 11/911:16 am -
1 stop9h 25m
Deal found 9/23$241
Wed 10/218:29 pm -
1 stop12h 48m
Wed 10/289:06 pm -
2 stops23h 35m
Deal found 9/23$242
Tue 10/208:29 pm -
1 stop12h 48m
Tue 11/1711:16 am -
1 stop9h 25m
Deal found 9/22$244
Fri 10/239:38 am -
1 stop23h 39m
Sun 10/2511:12 am -
1 stop23h 53m
Deal found 9/24$245
Wed 10/218:29 pm -
1 stop12h 48m
Sun 10/2511:12 am -
1 stop23h 53m
Deal found 9/21$246
Tue 10/208:29 pm -
1 stop12h 48m
Wed 10/219:06 pm -
2 stops23h 37m
Deal found 9/23$247
Mon 10/198:29 pm -
2 stops19h 44m
Tue 10/209:06 pm -
2 stops23h 37m
Deal found 9/21$249

Find flight deals from Nashville to Dulles Intl

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$238
(Kiwi.com)

One-way from

$129
(Mytrip)

Popular in

March

Cheapest in

June

Average price

$317

Good round-trip deal

$419 or less

Good one-way deal

$209 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. 10% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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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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Cheapflights Fare Finder

 
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
Quickest round-trip

NashvilleWashington, D.C.

BNA Nashville Intl - IAD Washington, D.C. Dulles Intl

BNAIAD

Nashville Intl

Fri 11/27

8:30 am-11:17 am

Nonstop1h 47m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$148

NashvilleWashington, D.C.

BNA Nashville Intl - IAD Washington, D.C. Dulles Intl

BNAIAD

Nashville Intl

Sat 11/14

5:22 pm-10:59 pm

1 stop4h 37m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$158

NashvilleWashington, D.C.

BNA Nashville Intl - IAD Washington, D.C. Dulles Intl

BNAIAD

Nashville Intl

Sat 11/14

6:43 pm-9:30 pm

Nonstop1h 47m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$159

NashvilleWashington, D.C.

BNA Nashville Intl - IAD Washington, D.C. Dulles Intl

BNAIAD

Nashville Intl

Tue 11/24

1:38 pm-4:25 pm

Nonstop1h 47m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$193

NashvilleWashington, D.C.

BNA Nashville Intl - IAD Washington, D.C. Dulles Intl

BNAIAD

Nashville Intl

Sun 11/1

7:30 am-1:35 pm

1 stop5h 05m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$222

NashvilleWashington, D.C.

BNA Nashville Intl - IAD Washington, D.C. Dulles Intl

BNAIAD

Nashville Intl

Mon 10/26

8:30 am-11:17 am

Nonstop1h 47m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$231

NashvilleWashington, D.C.

BNA Nashville Intl - IAD Washington, D.C. Dulles Intl

BNAIAD

Nashville Intl

Fri 11/20

8:30 am-11:17 am

Nonstop1h 47m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$241

NashvilleWashington, D.C.

BNA Nashville Intl - IAD Washington, D.C. Dulles Intl

BNAIAD

Nashville Intl

Fri 11/20

7:40 pm-12:41 am

1 stop4h 01m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$248

NashvilleWashington, D.C.

BNA Nashville Intl - IAD Washington, D.C. Dulles Intl

BNAIAD

Nashville Intl

Wed 10/14

5:20 am-12:51 pm

1 stop6h 31m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$258

NashvilleWashington, D.C.

BNA Nashville Intl - IAD Washington, D.C. Dulles Intl

BNAIAD

Nashville Intl

Mon 10/19

3:46 pm-9:27 pm

1 stop4h 41m

Washington, D.C. Dulles Intl

Tue 10/20

12:55 pm-1:55 pm

Nonstop2h 00m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/24

Showing 1-10 of 23 resultsSorted by cheapest first
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Compare providers for flights from Nashville to Dulles Intl

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 Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice 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

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 45 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, June is the cheapest month in which you can book a flight from Nashville to Washington, D.C. Dulles Intl Airport (average of $217). 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?

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?

Airfare is below average for this route at the moment.

Nashville to Washington, D.C. Dulles Intl Airport flights typically cost between $313 and $549 in October.
The cheapest round-trip price found within the last 5 days was $238 on Frontier (Oct 24-Oct 26).

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

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 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
8,608 reviews

Overall

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay
Delta
7.8
Good
8,608 reviews
Delta
7.8
Good
8,608 reviews

Overall

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay
United Airlines
7.4
Good
10,248 reviews
Delta
7.8
Good
8,608 reviews

Overall

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay
Allegiant Air
7.3
Good
679 reviews
Delta
7.8
Good
8,608 reviews

Overall

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

Related info for your journey

  • 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 9 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 $262, United Airlines can have you in Washington, D.C. Dulles Intl Airport from Nashville in 4h 41m. The distance from Nashville to Washington, D.C. Dulles Intl Airport is about 542 mi.

  • 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 $61 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $230 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 Sun Country Air (100%), ITA Airways (86%) or Allegiant Air (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 $1,664, our data shows the cheapest flight currently is $128. When looking at the most popular route, (Nashville Intl - Washington, D.C. Dulles Intl), you can expect to pay $217 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, June is the cheapest month in which you can book a flight from Nashville to Washington, D.C. Dulles Intl Airport (average of $217). 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
Owings Mills
Lanham
Tysons
Chantilly
Woodbridge
Reston
Herndon
Hyattsville
Rockville
Fredericksburg
Falls Church
Sterling
Hanover
Laurel
Springfield
Oxon Hill
Clinton
Hunt Valley

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Nashville to Dulles Intl

AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$61Average$117FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$230Average$353FlexibilityNo cancel feeOn-time69%
DeltaCheapest$356Average$466FlexibilityNo cancel feeOn-timeN/A

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