$83 Cheap Flights from Nantucket (ACK) to Washington (DCA)

View $83 flight on Thu, May 28, 2026Opens in a new window

Popular airlines from Nantucket, MA (ACK-Nantucket Memorial) to Ronald Reagan Washington National Airport (DCA)

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Cheap Flights from Nantucket to Washington (ACK-DCA)

Prices were available within the past 7 days and start at $83 for one-way flights and $156 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, May 23 - Tue, Jun 9
ACK
Nantucket
DCA
Washington
$156 Roundtrip, found 6 days ago
$156
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, May 23 from Nantucket to Washington, returning Tue, Jun 9, priced at $156 found 6 days ago
American Airlines
Sat, Aug 22 - Mon, Aug 24
ACK
Nantucket
DCA
Washington
$182 Roundtrip, found 1 day ago
$182
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Aug 22 from Nantucket to Washington, returning Mon, Aug 24, priced at $182 found 1 day ago
Delta
Sun, May 24 - Tue, Jun 9
ACK
Nantucket
DCA
Washington
$191 Roundtrip, found 6 days ago
$191
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, May 24 from Nantucket to Washington, returning Tue, Jun 9, priced at $191 found 6 days ago
Delta
Sun, May 24 - Tue, May 26
ACK
Nantucket
DCA
Washington
$197 Roundtrip, found 6 days ago
$197
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, May 24 from Nantucket to Washington, returning Tue, May 26, priced at $197 found 6 days ago
Delta
Fri, May 29 - Wed, Jun 10
ACK
Nantucket
DCA
Washington
$206 Roundtrip, found 6 days ago
$206
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, May 29 from Nantucket to Washington, returning Wed, Jun 10, priced at $206 found 6 days ago
American Airlines
Tue, Jun 23 - Fri, Jun 26
ACK
Nantucket
DCA
Washington
$211 Roundtrip, found 9 hours ago
$211
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Tue, Jun 23 from Nantucket to Washington, returning Fri, Jun 26, priced at $211 found 9 hours ago
JetBlue Airways
Wed, Jun 24 - Sat, Jun 27
ACK
Nantucket
DCA
Washington
$217 Roundtrip, found 9 hours ago
$217
Roundtrip
found 9 hours ago
Select JetBlue Airways flight, departing Wed, Jun 24 from Nantucket to Washington, returning Sat, Jun 27, priced at $217 found 9 hours ago
American Airlines
Wed, Jun 24 - Sat, Jun 27
ACK
Nantucket
DCA
Washington
$232 Roundtrip, found 9 hours ago
$232
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Wed, Jun 24 from Nantucket to Washington, returning Sat, Jun 27, priced at $232 found 9 hours ago
Delta
Sat, May 30 - Sat, Jun 6
ACK
Nantucket
DCA
Washington
$232 Roundtrip, found 6 days ago
$232
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, May 30 from Nantucket to Washington, returning Sat, Jun 6, priced at $232 found 6 days ago
United
Sat, Aug 22 - Mon, Aug 24
ACK
Nantucket
DCA
Washington
$587 Roundtrip, found 1 day ago
$587
Roundtrip
found 1 day ago
Select United flight, departing Sat, Aug 22 from Nantucket to Washington, returning Mon, Aug 24, priced at $587 found 1 day ago

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Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $634
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from $634

Find the cheapest month to fly from Nantucket (ACK) to Washington (DCA)

September is typically the cheapest month to fly

From $127 - $613 per traveler.

Frequently asked questions

How much does a flight from Nantucket Memorial Airport (ACK) to Ronald Reagan Washington National Airport (DCA) cost?
Get a cheap one-way flight from $83 or cheap return flight from $156 from Nantucket Memorial Airport (ACK) to Ronald Reagan Washington National Airport (DCA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Nantucket Memorial Airport (ACK) to Ronald Reagan Washington National Airport (DCA)?
The cheapest month to fly from ACK to DCA is May, when there's less demand. Off-peak months are typically when better flight deals are available between these airports.
What is the cheapest airline that flies from Nantucket Memorial Airport (ACK) to Ronald Reagan Washington National Airport (DCA)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest ACK to DCA flight.
How many flights per day from Nantucket Memorial Airport (ACK) to Ronald Reagan Washington National Airport (DCA)?
Nonstop flights from Nantucket Memorial Airport (ACK) to Ronald Reagan Washington National Airport (DCA) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ACK to DCA?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on a range of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Nantucket Memorial Airport (ACK) to Ronald Reagan Washington National Airport (DCA)?
To touch down at Ronald Reagan Washington National Airport (DCA) on time, select a flight that takes off from Nantucket Memorial Airport (ACK) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Nantucket Memorial Airport (ACK) to Ronald Reagan Washington National Airport (DCA) last-minute?
Booking your ticket from ACK to DCA shortly before your trip is typically more expensive. However, if you're flexible with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book an ACK to DCA flight and hotel package?
You can save money by securing an ACK to DCA flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After choosing your preferred flights and accommodations, consider adding extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Nantucket Memorial Airport (ACK) to Ronald Reagan Washington National Airport (DCA)?
If you booked your ACK to DCA flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

Travel information

Origin airport
Nantucket Memorial
Destination airport
Ronald Reagan Washington National
Airlines serving
American Airlines, Delta, JetBlue Airways, United
Roundtrip price
$156
Distance
404 mi

Book with confidence

Nantucket to Washington Flights

The cheapest times to fly from Nantucket to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Nantucket to Washington are during the month of May. You can find some of the cheapest flights from Nantucket to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Nantucket to Washington

Sunday is one of the best days to book for cheap flights from Nantucket to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Nantucket to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Nantucket to Washington in 2026. You can also book with separate airlines for your outbound and return journeys, from $83 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Nantucket to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Nantucket to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Nantucket to Washington Flights

*Flight schedules are subject to change.

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