Nashville to Washington, D.C. Flights on Allegiant from $74*

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*Modifying this information may result in a different fare

Flights from Nashville to Washington, D.C.

*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.

Deals from Nashville to Washington, D.C.

Deals from Nashville to Washington, D.C.
From
To
Fare Type
Dates
Price
Nashville (BNA)Washington, D.C. (IAD)One-way
/
Economy
Departing: June 11 2026

From

$74

Seen: 16 hrs ago

Nashville (BNA)Washington, D.C. (IAD)One-way
/
Economy
Departing: June 13 2026

From

$79

Seen: 16 hrs ago

Nashville (BNA)Washington, D.C. (IAD)One-way
/
Economy
Departing: June 14 2026

From

$105

Seen: 16 hrs ago

*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.

Flight Details

Allegiant Flight to Washington DC (IAD)

Departing From:

Nashville International Airport (BNA)

Arriving To:

Dulles International Airport (IAD)

Average Flight Time:

01 hour 43 minutes

Travel Tips

Bundles are packages of popular services with an added discount.

Select a bundle to:

  • Streamline the booking experience

  • Save time

  • Save money!

  • Click here for more information.

Allegiant proudly supports our military and our military veterans by offering select free benefits through the Allegiant Honors program.

  • Benefits include free checked bag, carry on, etc. Click here to learn more.

Lock in the lowest price by adding your checked and carryon bags when you book your flight.

  • By charging for carry-ons, we ensure there is space for everyone who needs it.

  • This leads to speedier boarding. Click here to see your bag options.

Cheap flights to Washington, D.C. (IAD) with Allegiant Airlines

About Washington, D.C.

Washington, D.C. is one of our more memorable destinations for Allegiant. Full of amazing bars and restaurants, Washington, D.C. will satisfy the needs of any traveler. Discover all the historical attractions that Washington, D.C. has to offer. From visiting the Smithsonian Museum to discovering our country’s history in our nation’s capital, Washington, D.C. will feel like a second home when you plan your trip through Allegiant. Book your flight to Washington, D.C. today.

Frequently Asked Questions

Yes, Allegiant provides in-flight service on every flight. For more details on the variety of snacks and drinks available on board flights for purchase, check out our In Flight Refreshments & Services page.

Yes, all Allegiant Air flights from Nashville to Washington, D.C. are nonstop.

The day with the lowest fare can differ week to week. To find out what upcoming days have the lowest price to from fly Nashville to Washington, D.C., please check out our flight search tool, which makes finding our lowest fare a breeze.

You can make changes to your reservation from Nashville to Washington, D.C. a breeze by clicking Manage Trips on our homepage. Fees and fare difference may apply.

Click Flight Status on our homepage to view the status of your upcoming flight from Nashville to Washington, D.C..

Yes you can book a rental car. Yes, rental car facilities are available in Washington, D.C.. Allegiant offers exclusive discounts with Alamo, Enterprise and National when you book a car together with your flight from Nashville to Washington, D.C.. Allegiant’s travel bundle makes flying a breeze.