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 $45 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $136 and $149 round-trip. These flights start at 83% lower than the current average price 3 months from now.

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

The most flights from BNA to IAD are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 $796, our data shows the cheapest flight currently is $142. When looking at the most popular route, (Nashville Intl - Washington, D.C. Dulles Intl), you can expect to pay $155 for that flight.

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

Consider Southwest (100%), United Airlines (81%) or Copa Airlines (77%) when booking your flight. These represent the most reliable airlines when flying from Nashville to Washington, D.C. Dulles Intl Airport.

What are the most popular airlines that fly from Nashville to Washington, D.C. Dulles Intl Airport?

Consider United Airlines, Allegiant Air or Delta when booking your flight. These represent the most popular airlines when flying from Nashville to Washington, D.C. Dulles Intl Airport.

Most accurate provider : When it comes to deals on Nashville-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Nashville-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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.

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.

$123+ Flights from Nashville to Washington, D.C. Dulles Intl Airport

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1. Tell us where you want to go

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2. Select your favorite providers

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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

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 December 26, 2025.

Wed 12/318:45 amBNA - IAD

1 stop6h 14mAmerican Airlines

Thu 1/19:12 amIAD - BNA

1 stop5h 24mAmerican Airlines

Deal found 12/24

$265

Thu 12/2511:59 amBNA - IAD

2 stops18h 31mUnited Airlines

Wed 12/3112:45 pmIAD - BNA

Nonstop2h 10mUnited Airlines

Deal found 12/24

$519

Sun 12/285:15 amBNA - IAD

1 stop6h 54mAmerican Airlines

Thu 1/16:35 amIAD - BNA

1 stop3h 49mAmerican Airlines

Deal found 12/25

$571

Wed 12/248:35 pmBNA - IAD

2 stops41h 26mMultiple Airlines

Fri 1/29:58 pmIAD - BNA

1 stop26h 16mMultiple Airlines

Deal found 12/24

$622

Sat 12/272:04 pmBNA - IAD

2 stops39h 59mMultiple Airlines

Tue 12/309:58 pmIAD - BNA

1 stop13h 51mMultiple Airlines

Deal found 12/25

$653

Mon 12/295:45 amBNA - IAD

2 stops11h 46mMultiple Airlines

Mon 1/59:58 pmIAD - BNA

1 stop13h 51mMultiple Airlines

Deal found 12/24

$656

Thu 12/258:00 amBNA - IAD

2 stops12h 20mUnited Airlines

Sat 1/39:00 amIAD - BNA

Nonstop2h 10mUnited Airlines

Deal found 12/24

$673

Best flights from Nashville to Dulles Intl
Discover carefully curated flight deals from Nashville to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 26, 2025.

Tue 1/1311:26 amBNA - IAD

1 stop23h 17mDelta

Sat 1/177:49 pmIAD - BNA

1 stop15h 57mDelta

Deal found 12/26

$264

Wed 2/186:09 pmBNA - IAD

1 stop4h 25mAmerican Airlines

Sun 2/226:34 amIAD - BNA

1 stop4h 01mAmerican Airlines

Deal found 12/24

$286

Thu 4/28:30 amBNA - IAD

Nonstop1h 50mUnited Airlines

Tue 4/75:47 pmIAD - BNA

Nonstop2h 09mUnited Airlines

Deal found 12/25

$295

Mon 1/126:50 amBNA - IAD

1 stop11h 19mDelta

Sat 1/177:49 pmIAD - BNA

1 stop21h 36mDelta

Deal found 12/26

$264

Thu 4/28:30 amBNA - IAD

Nonstop1h 50mUnited Airlines

Mon 4/65:47 pmIAD - BNA

Nonstop2h 09mUnited Airlines

Deal found 12/25

$295

Fri 2/138:20 amBNA - IAD

1 stop4h 15mAmerican Airlines

Mon 2/162:06 pmIAD - BNA

1 stop4h 34mAmerican Airlines

Deal found 12/24

$316

Fri 4/176:35 pmBNA - IAD

Nonstop1h 50mUnited Airlines

Mon 4/2012:45 pmIAD - BNA

Nonstop2h 01mUnited Airlines

Deal found 12/24

$296

Thu 2/57:00 amBNA - IAD

1 stop4h 36mAmerican Airlines

Fri 2/611:34 amIAD - BNA

1 stop4h 05mAmerican Airlines

Deal found 12/25

$316

Fri 2/208:30 amBNA - IAD

Nonstop1h 46mUnited Airlines

Mon 2/235:55 pmIAD - BNA

Nonstop2h 06mUnited Airlines

Deal found 12/24

$296

Fri 2/271:30 pmBNA - IAD

Nonstop1h 46mUnited Airlines

Sun 3/15:55 pmIAD - BNA

Nonstop2h 06mUnited Airlines

Deal found 12/25

$297

Fri 3/201:30 pmBNA - IAD

Nonstop1h 47mUnited Airlines

Sun 3/228:15 amIAD - BNA

Nonstop2h 06mUnited Airlines

Deal found 12/24

$297

Last-minute flights from Nashville to Dulles Intl
Discover last-minute flight deals from Nashville to Dulles Intl. Data last updated December 26, 2025 and is based on user searches.

Wed 12/318:45 amBNA - IAD

1 stop6h 14mAmerican Airlines

Thu 1/19:12 amIAD - BNA

1 stop5h 24mAmerican Airlines

Deal found 12/24

$265

Thu 1/19:49 amBNA - IAD

1 stop5h 10mAmerican Airlines

Wed 1/1411:34 amIAD - BNA

1 stop4h 05mAmerican Airlines

Deal found 12/25

$260

Thu 1/85:50 pmBNA - IAD

1 stop13h 05mMultiple Airlines

Sun 1/119:59 pmIAD - BNA

2 stops21h 37mMultiple Airlines

Deal found 12/23

$307

Mon 1/126:50 amBNA - IAD

1 stop11h 19mDelta

Sat 1/177:49 pmIAD - BNA

1 stop21h 36mDelta

Deal found 12/26

$264

Thu 1/157:00 amBNA - IAD

1 stop4h 36mAmerican Airlines

Sun 1/1811:34 amIAD - BNA

1 stop7h 05mAmerican Airlines

Deal found 12/25

$291

Thu 1/158:30 amBNA - IAD

Nonstop1h 42mUnited Airlines

Thu 1/155:55 pmIAD - BNA

Nonstop2h 09mUnited Airlines

Deal found 12/23

$297

Fri 1/161:32 pmBNA - IAD

Nonstop1h 48mUnited Airlines

Sun 1/1812:45 pmIAD - BNA

Nonstop2h 05mUnited Airlines

Deal found 12/24

$271

Wed 1/2112:06 pmBNA - IAD

1 stop4h 10mAmerican Airlines

Sat 1/245:46 pmIAD - BNA

1 stop6h 06mAmerican Airlines

Deal found 12/25

$255

Wed 1/215:00 amBNA - IAD

1 stop6h 36mAmerican Airlines

Fri 1/231:08 pmIAD - BNA

1 stop5h 31mAmerican Airlines

Deal found 12/26

$286

Wed 1/288:12 pmBNA - IAD

2 stops19h 16mMultiple Airlines

Sun 2/19:18 amIAD - BNA

1 stop8h 37mMultiple Airlines

Deal found 12/25

$272

Fri 1/301:32 pmBNA - IAD

Nonstop1h 48mUnited Airlines

Sat 1/315:55 pmIAD - BNA

Nonstop2h 09mUnited Airlines

Deal found 12/26

$266

Fri 1/305:50 pmBNA - IAD

2 stops15h 54mMultiple Airlines

Sun 2/19:18 amIAD - BNA

1 stop8h 37mMultiple Airlines

Deal found 12/25

$281

One-way flights from Nashville to Dulles Intl
Search for one-way flight options from Nashville to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated December 26, 2025.

Sun 1/181:32 pmBNA - IAD

Nonstop1h 48mUnited Airlines

Deal found 12/26

$123

Fri 3/2011:26 amBNA - IAD

1 stop8h 19mAvelo Airlines

Deal found 12/24

$127

Sat 1/175:00 amBNA - IAD

1 stop4h 58mAmerican Airlines

Deal found 12/26

$128

Thu 1/16:19 pmBNA - IAD

1 stop4h 45mAmerican Airlines

Deal found 12/26

$133

Sun 1/259:25 amBNA - IAD

1 stop26h 11mMultiple Airlines

Deal found 12/23

$134

Wed 1/218:12 pmBNA - IAD

2 stops18h 11mMultiple Airlines

Deal found 12/24

$137

Thu 1/292:51 pmBNA - IAD

3 stops19h 32mMultiple Airlines

Deal found 12/24

$139

Thu 3/59:03 pmBNA - IAD

2 stops13h 20mMultiple Airlines

Deal found 12/26

$141

Thu 1/222:51 pmBNA - IAD

3 stops19h 32mMultiple Airlines

Deal found 12/25

$145

Wed 1/148:12 pmBNA - IAD

2 stops18h 11mMultiple Airlines

Deal found 12/24

$146

Thu 3/129:03 pmBNA - IAD

2 stops13h 20mMultiple Airlines

Deal found 12/24

$147

Find flight deals from Nashville to Dulles Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$255 (American Airlines)
One-way from	$123 (United Airlines)
Popular in	January
Cheapest in	June
Average price	$353
Good round-trip deal	$486 or less
Good one-way deal	$186 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

One-way flight from Nashville Intl to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 20% potential increase in price ($70 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($12 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

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

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

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Tue 1/13

11:26 am-11:43 am

1 stop23h 17m

Washington, D.C. Dulles Intl

Sat 1/17

7:49 pm-10:46 am

1 stop15h 57m

$264

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Mon 1/12

6:50 am-7:09 pm

1 stop11h 19m

Washington, D.C. Dulles Intl

Sat 1/17

7:49 pm-4:25 pm

1 stop21h 36m

$264

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Wed 2/18

6:09 pm-11:34 pm

1 stop4h 25m

Washington, D.C. Dulles Intl

Sun 2/22

6:34 am-9:35 am

1 stop4h 01m

$286

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Thu 4/2

8:30 am-11:20 am

Nonstop1h 50m

Washington, D.C. Dulles Intl

Tue 4/7

5:47 pm-6:56 pm

Nonstop2h 09m

$295

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Thu 4/2

8:30 am-11:20 am

Nonstop1h 50m

Washington, D.C. Dulles Intl

Mon 4/6

5:47 pm-6:56 pm

Nonstop2h 09m

$295

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Fri 4/17

6:35 pm-9:25 pm

Nonstop1h 50m

Washington, D.C. Dulles Intl

Mon 4/20

12:45 pm-1:46 pm

Nonstop2h 01m

$296

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Fri 2/20

8:30 am-11:16 am

Nonstop1h 46m

Washington, D.C. Dulles Intl

Mon 2/23

5:55 pm-7:01 pm

Nonstop2h 06m

$296

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Fri 2/27

1:30 pm-4:16 pm

Nonstop1h 46m

Washington, D.C. Dulles Intl

Sun 3/1

5:55 pm-7:01 pm

Nonstop2h 06m

$297

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Fri 3/20

1:30 pm-4:17 pm

Nonstop1h 47m

Washington, D.C. Dulles Intl

Sun 3/22

8:15 am-9:21 am

Nonstop2h 06m

$297

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Fri 2/13

8:20 am-1:35 pm

1 stop4h 15m

Washington, D.C. Dulles Intl

Mon 2/16

2:06 pm-5:40 pm

1 stop4h 34m

$316

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/23

Showing 1-10 of 20 results

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 December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
CheapTicketsDeal	Price Accuracy3 stars	Trust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Nashville-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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

Prices

Airlines

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 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, June is the cheapest month in which you can book a flight from Nashville to Washington, D.C. Dulles Intl Airport (average of $46). Flying from Nashville to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $257). 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?

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 89% on the flight price compared to flying at noon, which is usually more expensive.

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

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.

IAD

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

Our travel experts

Mark Chesnut

Expert on BNA

Ramsey Qubein

Expert on IAD

Reviews of airlines servicing Dulles Intl

Get a feel of what it's like to fly with Delta, United Airlines, and Allegiant 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

7.9

Good

8,014 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,014 reviews

Delta

7.9

Good

8,014 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,115 reviews

Delta

7.9

Good

8,014 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Allegiant Air

7.2

Good

702 reviews

Delta

7.9

Good

8,014 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

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 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 $295, Delta can have you in Washington, D.C. Dulles Intl Airport from Nashville in 1h 50m. The distance from Nashville to Washington, D.C. Dulles Intl Airport is about 542 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
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 $45 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $136 and $149 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 Southwest (100%), United Airlines (81%) or Copa Airlines (77%) 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 $796, our data shows the cheapest flight currently is $142. When looking at the most popular route, (Nashville Intl - Washington, D.C. Dulles Intl), you can expect to pay $155 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 $46). Flying from Nashville to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $257). 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.

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Top 3 airlines flying from Nashville to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Allegiant Air	Cheapest$46	Average$78	FlexibilityNo cancel fee	On-time88%
Delta	Cheapest$136	Average$466	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$157	Average$313	FlexibilityNo cancel fee	On-time69%

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$123+ 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Nashville to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Cheapest flights from Nashville to Dulles IntlExplore 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 December 26, 2025.

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 December 26, 2025.

Find flight deals from Nashville to Dulles Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

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.

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 December.

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.

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Everything you need to know about your flight from Nashville to Washington, D.C. Dulles Intl Airport

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What is the cheapest time of day to fly from BNA to IAD?

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

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

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Airports

BNA

IAD

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Reviews of airlines servicing Dulles Intl

Get a feel of what it's like to fly with Delta, United Airlines, and Allegiant 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.

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.

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

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Alternative routes for Nashville to Dulles Intl

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Top 3 airlines flying from Nashville to Dulles Intl

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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 December 26, 2025.