$85 Cheap Flights from Washington (DCA) to Nantucket (ACK)

View $85 flight on Sat, Aug 30, 2025Opens in a new window

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

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Cheap Flights from Washington to Nantucket (DCA-ACK)

Prices were available within the past 7 days and start at $85 for one-way flights and $173 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Wed, Aug 27 - Sat, Aug 30
DCA
Washington
ACK
Nantucket
$173 Roundtrip, found 2 hours ago
$173
Roundtrip
found 2 hours ago
Select JetBlue Airways flight, departing Wed, Aug 27 from Washington to Nantucket, returning Sat, Aug 30, priced at $173 found 2 hours ago
Delta
Tue, Aug 5 - Wed, Aug 6
DCA
Washington
ACK
Nantucket
$176 Roundtrip, found 6 days ago
$176
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Aug 5 from Washington to Nantucket, returning Wed, Aug 6, priced at $176 found 6 days ago
American Airlines
Mon, Aug 18 - Thu, Aug 21
DCA
Washington
ACK
Nantucket
$177 Roundtrip, found 2 hours ago
$177
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Mon, Aug 18 from Washington to Nantucket, returning Thu, Aug 21, priced at $177 found 2 hours ago
American Airlines
Tue, Aug 26 - Thu, Aug 28
DCA
Washington
ACK
Nantucket
$183 Roundtrip, found 4 days ago
$183
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Aug 26 from Washington to Nantucket, returning Thu, Aug 28, priced at $183 found 4 days ago
JetBlue Airways
Wed, Aug 27 - Sat, Aug 30
DCA
Washington
ACK
Nantucket
$184 Roundtrip, found 3 hours ago
$184
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Wed, Aug 27 from Washington to Nantucket, returning Sat, Aug 30, priced at $184 found 3 hours ago
JetBlue Airways
Wed, Sep 24 - Mon, Sep 29
DCA
Washington
ACK
Nantucket
$187 Roundtrip, found 3 hours ago
$187
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Wed, Sep 24 from Washington to Nantucket, returning Mon, Sep 29, priced at $187 found 3 hours ago
JetBlue Airways
Sun, Aug 10 - Sat, Aug 30
DCA
Washington
ACK
Nantucket
$188 Roundtrip, found 3 hours ago
$188
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Sun, Aug 10 from Washington to Nantucket, returning Sat, Aug 30, priced at $188 found 3 hours ago
JetBlue Airways
Tue, Sep 9 - Tue, Sep 16
DCA
Washington
ACK
Nantucket
$192 Roundtrip, found 2 hours ago
$192
Roundtrip
found 2 hours ago
Select JetBlue Airways flight, departing Tue, Sep 9 from Washington to Nantucket, returning Tue, Sep 16, priced at $192 found 2 hours ago
JetBlue Airways
Sun, Aug 10 - Fri, Aug 15
DCA
Washington
ACK
Nantucket
$192 Roundtrip, just found
$192
Roundtrip
just found
Select JetBlue Airways flight, departing Sun, Aug 10 from Washington to Nantucket, returning Fri, Aug 15, priced at $192 just found
United
Wed, Aug 6 - Wed, Aug 13
DCA
Washington
ACK
Nantucket
$291 Roundtrip, found 3 hours ago
$291
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Aug 6 from Washington to Nantucket, returning Wed, Aug 13, priced at $291 found 3 hours ago

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

September is typically the cheapest month to fly

From $106 - $561 per traveler.

Graph displaying average flight prices per month

Alternative airports near Nantucket

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

Select flight to Martha's Vineyard MVY. Flights from $176
MVY
Martha's Vineyard
Flights from $176
Select flight to Barnstable Municipal HYA. Flights from $426
HYA
Barnstable Municipal
Flights from $426
Flights from Washington (DCA) to Nantucket (ACK)
Origin airport
Ronald Reagan Washington National
Destination airport
Nantucket Memorial
Airlines serving
American Airlines, Delta, JetBlue Airways, United
Roundtrip price
$170
Distance
404 mi
Average flight time
1 hour 35 mins

Washington to Nantucket Flights

The cheapest times to fly from Washington to Nantucket

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 Washington to Nantucket are during the month of August. You can find some of the cheapest flights from Washington to Nantucket with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Nantucket

Sunday is one of the best days to book for cheap flights from Washington to Nantucket: 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 Washington to Nantucket

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 Washington to Nantucket in 2025. You can also book with separate airlines for your outbound and return journeys, from $85 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 Washington to Nantucket 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 Washington to Nantucket 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.

 

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Nantucket Memorial Airport (ACK) cost?
Find affordable return tickets from Ronald Reagan Washington National Airport (DCA) to Nantucket Memorial Airport (ACK) starting from $167. Grab a seat and get ready for takeoff. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a JetBlue Airways flight leaving DCA on August 6 2025 and touching down at ACK. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from DCA to ACK?
The cheapest flights from DCA to ACK are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from DCA to ACK?
Book a flight from DCA to ACK with JetBlue Airways. This airline currently has the lowest one-way fare on this route, starting at $85. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DCA on August 31 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Nantucket Memorial Airport (ACK)?
You'll need to book a flight with a layover if you're traveling from Ronald Reagan Washington National Airport (DCA) to Nantucket Memorial Airport (ACK). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from DCA to ACK?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on various factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from DCA to ACK?
JetBlue Airways has the strongest track record for on-time direct flights from Ronald Reagan Washington National Airport (DCA) to Nantucket Memorial Airport (ACK), with an on-time score of 85%. Use the Expedia App to look up your journey status before you go and get real-time updates about any trip changes.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Nantucket Memorial Airport (ACK)?
Opt for a flight from Ronald Reagan Washington National Airport (DCA) to Nantucket Memorial Airport (ACK) that leaves before 3 PM to reduce the likelihood of delays. Departures later than this are on average 22% more likely to be canceled.**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 Ronald Reagan Washington National Airport (DCA) to Nantucket Memorial Airport (ACK) last-minute?
Holding off until just before your departure to book a flight from DCA to ACK generally means paying more. While you may find some last-minute offers, they aren't always guaranteed. Keep your travel plans flexible for the best chance of landing a bargain.
Is it cheaper to book a DCA to ACK flight and hotel package?
You'll typically save money by securing a DCA to ACK 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 convenient place. Once you've selected your ideal accommodations and flights, consider adding extras including tours, activities and car rentals.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Nantucket Memorial Airport (ACK)?
If you booked your DCA to ACK flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

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Nantucket nearby Airports

Vineyard Haven

Washington to Barnstable Municipal
$156.56

Hyannis

Washington to Barnstable Municipal
$293.46
*Available to One Key members.