$93 Cheap United flights Washington (DCA) to Nantucket (ACK)

View $93 flight on Tue, Jul 29, 2025Opens in a new window

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$93 Cheap United flights Washington (DCA) to Nantucket (ACK)

Prices were available within the past 7 days and start at $93 for one-way flights and $194 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Jul 29 - Wed, Jul 30
DCA
Washington
ACK
Nantucket
$194 Roundtrip, found 2 days ago
$194
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jul 29 from Washington to Nantucket, returning Wed, Jul 30, priced at $194 found 2 days ago
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
Popular airline
JetBlue Airways
Distance
404 mi
Average flight time
1 hour 36 mins

Frequently asked questions

How much is a United Airlines flight from Ronald Reagan Washington National Airport (DCA) to Nantucket Memorial Airport (ACK)?
You'll find affordable round-trip United Airlines flights from $194 from DCA to ACK by filtering your results from "Price (lowest to highest)" on Expedia. Or search for options from $93 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from DCA to ACK with United Airlines?
Look for one-way or return flights to Nantucket in February or January. You could find lower fares with United Airlines during these off-peak times.
What is the cheapest time to book flights from Ronald Reagan Washington National Airport (DCA) to Nantucket Memorial Airport (ACK) with United Airlines?
To find cheap United Airlines fares from Ronald Reagan Washington National Airport (DCA) to Nantucket Memorial Airport (ACK), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact what you pay. Sunday is usually the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Ronald Reagan Washington National Airport (DCA) to Nantucket Memorial Airport (ACK)?
Select our "Nonstop" filter when browsing for direct United Airlines flights from DCA to ACK. It's also a good way to compare other carriers servicing the same direct route.
What is the earliest United Airlines flight from DCA to ACK?
To find the earliest departure from DCA to ACK with United Airlines, sort your results by "Early Morning" and "Morning." Booking an early flight usually means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Nantucket?
United Airlines flights from Ronald Reagan Washington National Airport (DCA) to Nantucket come in to Nantucket Memorial Airport (ACK). This is the main gateway to this destination.
Why fly with United Airlines from DCA to ACK?
A rewarding loyalty program and the chance to rack up points through United Mileage Plus are the start of the reasons to depart from DCA to ACK with United Airlines. Plus, when you sign up to our One Key™ program, you can receive OneKeyCash™* on top of any airline loyalty program earnings. It's yours to spend on future travel plans.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Ronald Reagan Washington National Airport (DCA) to Nantucket Memorial Airport (ACK)?
Depending on the ticket type you purchased, a fee generally applies if you change or cancel your flight more than 24 hours after it has been confirmed. To secure flexible fares, select our "Changes included" or "No cancel fee" filter when searching for flights. For additional information on modifying or canceling your reservation, go to "Trips," select your flight and tick "Manage Booking."

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