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 $66 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $157 and $229 round-trip. These flights start at 77% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Nashville to Washington, D.C. Dulles Intl Airport one-way?

$69 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on United Airlines and Sun Country Air, with prices starting from $90 and $111, respectively.

What is the cheapest day to fly from Nashville to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their Nashville to Washington, D.C. Dulles Intl Airport flight should consider departing on Thursday mornings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 $1,910, our data shows the cheapest flight currently is $73. When looking at the most popular route, (Nashville Intl - Washington, D.C. Dulles Intl), you can expect to pay $66 for that flight.

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

Consider Sun Country Air (100%), Republic Airways (100%) or Avianca (84%) 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 American Airlines, Delta or Allegiant Air when booking your flight. These represent the most popular airlines when flying from Nashville to Washington, D.C. Dulles Intl Airport.

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

Users have found that leaving on a Thursday can be a cost-effective option. It’s possible to save up to 29% on your flight compared to booking on days when demand is much higher.

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

Flights from Nashville to Washington, D.C. Dulles Intl Airport lean towards being more expensive in March. Prices are generally better when you fly from Nashville to Washington, D.C. Dulles Intl Airport in June, with the cheapest ticket starting at $63.

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.

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.

$66+ Flights from Nashville to Washington, D.C. Dulles Intl Airport

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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 Friday or Thursday and return on a Sunday

Cheap flight deals from Nashville to Dulles Intl

Round-trip from	$66 (Gotogate)
Popular in	January
Cheapest in	June
Average price	$158
Good round-trip deal	$425 or less
Good one-way deal	$158 or less

From Nashville Intl to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($44 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 18, 2025.

Thu 8/78:20 amBNA - IAD

Nonstop1h 48mAllegiant Air

Sun 8/1011:58 amIAD - BNA

Nonstop1h 49mAllegiant Air

Deal found 7/16

$66

Thu 8/78:16 pmBNA - IAD

2 stops14h 04mMultiple Airlines

Sun 8/1011:58 amIAD - BNA

Nonstop1h 49mMultiple Airlines

Deal found 7/16

$155

Tue 8/128:30 amBNA - IAD

Nonstop1h 45mUnited Airlines

Sun 8/1712:50 pmIAD - BNA

Nonstop1h 55mUnited Airlines

Deal found 7/16

$157

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 July 18, 2025.

Thu 8/78:20 amBNA - IAD

Nonstop1h 48mAllegiant Air

Sun 8/1011:58 amIAD - BNA

Nonstop1h 49mAllegiant Air

Deal found 7/16

$66

Thu 8/78:16 pmBNA - IAD

2 stops14h 04mMultiple Airlines

Sun 8/1011:58 amIAD - BNA

Nonstop1h 49mMultiple Airlines

Deal found 7/16

$155

Tue 8/128:30 amBNA - IAD

Nonstop1h 45mUnited Airlines

Sun 8/1712:50 pmIAD - BNA

Nonstop1h 55mUnited Airlines

Deal found 7/16

$157

Wed 9/36:15 amBNA - IAD

1 stop7h 16mDelta

Mon 9/83:26 pmIAD - BNA

1 stop8h 27mDelta

Deal found 7/16

$229

Thu 9/187:27 pmBNA - IAD

1 stop15h 56mSun Country Air

Sun 9/2110:54 amIAD - BNA

1 stop5h 45mSun Country Air

Deal found 7/17

$231

Last-minute flights from Nashville to Dulles Intl
Discover last-minute flight deals from Nashville to Dulles Intl. Data last updated July 18, 2025 and is based on user searches.

Thu 7/248:20 amBNA - IAD

Nonstop1h 48mMultiple Airlines

Sun 7/2712:55 pmIAD - BNA

2 stops7h 31mMultiple Airlines

Deal found 7/15

$183

Fri 7/256:05 pmBNA - IAD

1 stop16h 38mSun Country Air

Mon 7/281:34 pmIAD - BNA

1 stop25h 57mSun Country Air

Deal found 7/14

$325

Sat 7/266:05 pmBNA - IAD

Nonstop1h 48mAllegiant Air

Sun 7/2711:58 amIAD - BNA

Nonstop1h 49mAllegiant Air

Deal found 7/16

$70

Thu 8/78:20 amBNA - IAD

Nonstop1h 48mAllegiant Air

Sun 8/1011:58 amIAD - BNA

Nonstop1h 49mAllegiant Air

Deal found 7/16

$66

Thu 8/78:16 pmBNA - IAD

2 stops14h 04mMultiple Airlines

Sun 8/1011:58 amIAD - BNA

Nonstop1h 49mMultiple Airlines

Deal found 7/16

$155

Tue 8/128:30 amBNA - IAD

Nonstop1h 45mUnited Airlines

Sun 8/1712:50 pmIAD - BNA

Nonstop1h 55mUnited Airlines

Deal found 7/16

$157

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 July 18, 2025.

Thu 7/248:20 amBNA - IAD

Nonstop1h 48mAllegiant Air

Deal found 7/16

$69

Mon 8/188:30 amBNA - IAD

Nonstop1h 45mUnited Airlines

Deal found 7/17

$90

Thu 10/1610:54 amBNA - IAD

1 stop7h 29mMultiple Airlines

Deal found 7/17

$101

Thu 10/97:36 pmBNA - IAD

1 stop15h 08mSun Country Air

Deal found 7/17

$111

Fri 8/2211:37 amBNA - IAD

1 stop8h 11mFrontier

Deal found 7/16

$117

Wed 8/207:00 amBNA - IAD

1 stop11h 43mDelta

Deal found 7/17

$122

Mon 8/183:44 pmBNA - IAD

1 stop6h 12mAmerican Airlines

Deal found 7/17

$129

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

Thu 8/7

8:20 am-11:08 am

Nonstop1h 48m

Washington, D.C. Dulles Intl

Sun 8/10

11:58 am-12:47 pm

Nonstop1h 49m

$66

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Thu 8/7

8:16 pm-11:20 am

2 stops14h 04m

Washington, D.C. Dulles Intl

Sun 8/10

11:58 am-12:47 pm

Nonstop1h 49m

$155

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Tue 8/12

8:30 am-11:15 am

Nonstop1h 45m

Washington, D.C. Dulles Intl

Sun 8/17

12:50 pm-1:45 pm

Nonstop1h 55m

$157

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Wed 9/3

6:15 am-2:31 pm

1 stop7h 16m

Washington, D.C. Dulles Intl

Mon 9/8

3:26 pm-10:53 pm

1 stop8h 27m

$229

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Thu 9/18

7:27 pm-12:23 pm

1 stop15h 56m

Washington, D.C. Dulles Intl

Sun 9/21

10:54 am-3:39 pm

1 stop5h 45m

$231

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Thu 7/24

8:20 am-11:08 am

Nonstop1h 48m

$69

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Mon 8/18

8:30 am-11:15 am

Nonstop1h 45m

$90

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Thu 10/16

10:54 am-7:23 pm

1 stop7h 29m

$101

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Thu 10/9

7:36 pm-11:44 am

1 stop15h 08m

$111

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Fri 8/22

11:37 am-8:48 pm

1 stop8h 11m

$117

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Showing 1-10 of 12 results

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

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 68 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 $309). 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?

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

The most flights from BNA to IAD are scheduled on a Thursday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

Reviews of airlines servicing Dulles Intl

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

7,958 reviews

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

7,958 reviews

Delta

8.0

Very good

7,958 reviews

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

8,864 reviews

Delta

8.0

Very good

7,958 reviews

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

7,958 reviews

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

7,958 reviews

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!

Sun Country Air

6.9

Okay

334 reviews

Delta

8.0

Very good

7,958 reviews

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

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 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 $66 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $157 and $229 round-trip. These flights start at 77% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Nashville to Washington, D.C. Dulles Intl Airport one-way?
$69 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on United Airlines and Sun Country Air, with prices starting from $90 and $111, respectively.
What are the most reliable airlines from Nashville to Washington, D.C. Dulles Intl Airport?
Consider Sun Country Air (100%), Republic Airways (100%) or Avianca (84%) 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 $1,910, our data shows the cheapest flight currently is $73. When looking at the most popular route, (Nashville Intl - Washington, D.C. Dulles Intl), you can expect to pay $66 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 $309). 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

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Silver Spring

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Fairfax

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Springfield

National Harbor

Manassas

Dundalk

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Nashville to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Allegiant Air	Cheapest$45	Average$78	FlexibilityNo cancel fee	On-time88%
Delta	Cheapest$136	Average$462	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$181	Average$317	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$256	Average$317	FlexibilityNo cancel fee	On-time71%

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$66+ 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 8/7. 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

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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 86 days in advance, depart on a Friday or Thursday and return on a Sunday

Cheap flight deals from Nashville to Dulles Intl

Round-trip from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find 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 July 18, 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 July 18, 2025.

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.

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

IAD

Our travel experts

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.

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 July 11, 2025.

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

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 July 18, 2025.

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 July 18, 2025.

Reviews of airlines servicing Dulles Intl

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.

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?

What are the cheapest airlines flying from Nashville to Washington, D.C. Dulles Intl Airport round-trip?

What are the cheapest airlines to fly from Nashville to Washington, D.C. Dulles Intl Airport one-way?

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

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

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

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

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

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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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Alternative routes for Nashville to Dulles Intl

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Top 4 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 July 18, 2025.