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Cheap flights from Nashville to Washington, D.C. from $48

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Nashville to Washington, D.C. departing on 8/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Allegiant Air Logo
8:00 am - 10:44 amBNA-IAD
1h 44mnonstop
Allegiant Air Logo
8:12 pm - 9:01 pmIAD-BNA
1h 49mnonstop
$76Allegiant Air
Find Deal
Thu, Aug 21 - Sat, Aug 23
Allegiant Air Logo
8:00 am - 10:44 amBNA-IAD
1h 44mnonstop
Allegiant Air Logo
4:56 pm - 5:45 pmIAD-BNA
1h 49mnonstop
$77Allegiant Air
Find Deal
Thu, Aug 21 - Sun, Aug 24
Allegiant Air Logo
8:00 am - 10:44 amBNA-IAD
1h 44mnonstop
Allegiant Air Logo
4:56 pm - 5:45 pmIAD-BNA
1h 49mnonstop
$78Allegiant Air
Find Deal
Thu, Aug 28 - Sun, Aug 31
United Airlines Logo
6:20 pm - 9:08 pmBNA-IAD
1h 48mnonstop
United Airlines Logo
1:00 pm - 1:52 pmIAD-BNA
1h 52mnonstop
$123United Airlines
Find Deal
Sat, Sep 6 - Tue, Sep 9
United Airlines Logo
6:20 pm - 9:08 pmBNA-IAD
1h 48mnonstop
United Airlines Logo
5:40 pm - 6:38 pmIAD-BNA
1h 58mnonstop
$135United Airlines
Find Deal
Tue, Sep 23 - Wed, Sep 24
Logo
10:20 am - 1:04 pmBNA-IAD
1h 44mnonstop
Logo
7:14 pm - 6:01 pmIAD-BNA
23h 47m1 stop
$148
Find Deal
Sat, Aug 23 - Sat, Sep 6
Logo
8:00 am - 10:44 amBNA-IAD
1h 44mnonstop
Logo
7:14 pm - 6:22 pmIAD-BNA
24h 08m1 stop
$158
Find Deal
Thu, Aug 28 - Sun, Sep 7
Delta Logo
9:41 am - 4:30 pmBNA-IAD
5h 49m1 stop
Delta Logo
6:00 am - 11:53 amIAD-BNA
6h 53m1 stop
$169Delta
Find Deal
Sat, Aug 30 - Mon, Sep 1
Delta Logo
5:33 pm - 11:26 pmBNA-IAD
4h 53m1 stop
Delta Logo
5:25 pm - 10:53 pmIAD-BNA
6h 28m1 stop
$189Delta
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Fri, Sep 5 - Mon, Sep 8
Frontier Logo
11:37 am - 8:48 pmBNA-IAD
8h 11m1 stop
Frontier Logo
9:33 pm - 10:42 amIAD-BNA
14h 09m1 stop
$205Frontier
Find Deal
Fri, Aug 22 - Sun, Aug 24

United Airlines flights from Nashville to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Nashville to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Sep 6
BNA6:20 pmNashville Intl
1h 48m
IAD9:08 pmWashington, D.C. Dulles Intl
Sep 9
IAD1:00 pmWashington, D.C. Dulles Intl
1h 52m
BNA1:52 pmNashville Intl
$123
Find similar
United Airlines
Sep 23
BNA6:20 pmNashville Intl
1h 48m
IAD9:08 pmWashington, D.C. Dulles Intl
Sep 24
IAD5:40 pmWashington, D.C. Dulles Intl
1h 58m
BNA6:38 pmNashville Intl
$135
Find similar
United Airlines
Sep 4
BNA6:20 pmNashville Intl
1h 47m
IAD9:07 pmWashington, D.C. Dulles Intl
Sep 6
IAD5:40 pmWashington, D.C. Dulles Intl
1h 58m
BNA6:38 pmNashville Intl
$136
Find similar

Allegiant Air flights from Nashville to Washington, D.C. Dulles Intl Airport

Our best Allegiant Air deals on Nashville to Washington, D.C. Dulles Intl Airport flight tickets
Allegiant Air
Aug 16
BNA11:23 amNashville Intl
1h 44m
IAD2:07 pmWashington, D.C. Dulles Intl
Aug 30
IAD8:12 pmWashington, D.C. Dulles Intl
1h 49m
BNA9:01 pmNashville Intl
$76
Find similar
Allegiant Air
Aug 21
BNA8:00 amNashville Intl
1h 44m
IAD10:44 amWashington, D.C. Dulles Intl
Aug 24
IAD4:56 pmWashington, D.C. Dulles Intl
1h 49m
BNA5:45 pmNashville Intl
$77
Find similar
Allegiant Air
Aug 28
BNA8:00 amNashville Intl
1h 44m
IAD10:44 amWashington, D.C. Dulles Intl
Aug 31
IAD4:56 pmWashington, D.C. Dulles Intl
1h 49m
BNA5:45 pmNashville Intl
$78
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Nashville to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated August 7, 2025.
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 8/21

8:00 am-10:44 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sat 8/23

8:12 pm-9:01 pm

Nonstop1h 49m

$76

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Thu 8/21

8:00 am-10:44 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sun 8/24

4:56 pm-5:45 pm

Nonstop1h 49m

$77

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Thu 8/28

8:00 am-10:44 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sun 8/31

4:56 pm-5:45 pm

Nonstop1h 49m

$78

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Sat 9/6

6:20 pm-9:08 pm

Nonstop1h 48m

Washington, D.C. Dulles Intl

Tue 9/9

1:00 pm-1:52 pm

Nonstop1h 52m

$123

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Tue 9/23

6:20 pm-9:08 pm

Nonstop1h 48m

Washington, D.C. Dulles Intl

Wed 9/24

5:40 pm-6:38 pm

Nonstop1h 58m

$135

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Sat 8/23

10:20 am-1:04 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sat 9/6

7:14 pm-6:01 pm

1 stop23h 47m

$148

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Thu 8/28

8:00 am-10:44 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sun 9/7

7:14 pm-6:22 pm

1 stop24h 08m

$158

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Sat 8/30

9:41 am-4:30 pm

1 stop5h 49m

Washington, D.C. Dulles Intl

Mon 9/1

6:00 am-11:53 am

1 stop6h 53m

$169

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Fri 9/5

5:33 pm-11:26 pm

1 stop4h 53m

Washington, D.C. Dulles Intl

Mon 9/8

5:25 pm-10:53 pm

1 stop6h 28m

$189

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Fri 8/22

11:37 am-8:48 pm

1 stop8h 11m

Washington, D.C. Dulles Intl

Sun 8/24

9:33 pm-10:42 am

1 stop14h 09m

$205

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Nashville to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

In general, June is the cheapest month to fly from Nashville to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $124. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of June, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $157.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $763. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Nashville to Washington, D.C. Dulles Intl Airport for around $969.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Nashville in the evening is the least expensive time of day to depart. momondo users have found prices as low as $106 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,008 on average. Flights to Washington, D.C. Dulles Intl Airport from Nashville at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Nashville Intl to Washington, D.C. Dulles Intl flight route?

Fly from Nashville Intl to Washington, D.C. Dulles Intl for the best Nashville Intl - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Nashville when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $286 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Nashville for as low as $215 on momondo.

What cabin class options are available on Nashville Intl to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on Nashville Intl to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Nashville to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of August 2025, prices for Nashville to Washington, D.C. Dulles Intl Airport flights are approximately 24% more expensive when compared to flights at the same time last year.

When to book flights from Nashville to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Nashville to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Nashville to Washington, D.C. Dulles Intl Airport (BNA to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Nashville to Washington, D.C. Dulles Intl Airport

Best Price Found

$48

Fastest flight time

1h 40m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Nashville in the past 72 hours is $48. The best round-trip flight deal from Nashville to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $76.
The fastest flight from Nashville to Washington, D.C. Dulles Intl Airport takes 1h 40m
Direct flights go from Nashville to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • How far is Nashville Intl to Washington, D.C. Dulles Intl by plane?

    The distance between Nashville Intl and Washington, D.C. Dulles Intl is about 545.4 mi. Typically, this will take 1h 44m by plane in normal conditions.

  • When did momondo last update prices for flights from Nashville Intl Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Nashville Intl Airport to Washington, D.C. Dulles Intl Airport were last updated today.

  • How many operators does momondo search for flights from Nashville Intl Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Nashville Intl Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Nashville Intl Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Nashville to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from Nashville to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Nashville to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Nashville to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $46Free CancellationRating
7.2
701 reviews
Search Allegiant Air flights
DeltaPriceFrom $136Free CancellationRating
8.0
7,985 reviews
Search Delta flights
United AirlinesPriceFrom $177Free CancellationRating
7.4
8,917 reviews
Search United Airlines flights
American AirlinesPriceFrom $256Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

  • United Airlines Flights From Nashville to Washington, D.C. Dulles Intl Airport

    Across 18 United Airlines flights from Nashville to Washington, D.C. Dulles Intl Airport this week, the average price was $321, with the best United Airlines deals starting from $177 round-trip. 8,917 users have rated United Airlines on momondo, with an average score of 7.4/10.

  • Allegiant Air Flights From Nashville to Washington, D.C. Dulles Intl Airport

    The best Allegiant Air deal for Nashville to Washington, D.C. Dulles Intl Airport flight tickets found on momondo in the last 72 hours was $46, round-trip. It should be noted that an average Allegiant Air flight deal for this route in this time was higher, at $78 round-trip. Allegiant Air operates 2 flights out of Nashville into Washington, D.C. Dulles Intl Airport in an average week, so prices vary by time and availability. 701 Allegiant Air reviews by users on momondo have scored the airline at 7.2/10.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
Arlington
National Harbor
Winchester
Woodbridge
Laurel
Silver Spring
Tysons
Waldorf
Fredericksburg
Harpers Ferry
Colonial Beach
Manassas
Rockville
Towson
Gaithersburg
Fairfax
Reston
Glen Burnie

Why use momondo?

Why should I use momondo to find a flight deal from Nashville to Washington, D.C.?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Nashville to Washington, D.C. for you.

Can I find flights from Nashville to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Nashville which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Nashville to Washington, D.C.?

Once all potential Nashville to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Nashville to Washington, D.C. right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Nashville to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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