Cheap United flights from Washington to Nantucket (IAD→ACK)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Frequently asked questions

How much is a United Airlines flight from Washington Dulles Intl. Airport (IAD) to Nantucket Memorial Airport (ACK)?
Use the "Price (lowest to highest)" filter on Expedia to search for cheap United Airlines return flights from IAD to ACK. Affordable one-way fares are also available.**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 IAD to ACK with United Airlines?
Browse for one-way or round-trip flights to Nantucket in February or January. You could find lower fares with United Airlines during these off-peak travel months.
Does United Airlines fly nonstop from Washington Dulles Intl. Airport (IAD) to Nantucket Memorial Airport (ACK)?
To figure out if there's a direct trip from IAD to ACK with United Airlines or other airlines, check the "Nonstop" filter when browsing for flights.
What airports does United Airlines fly into in Nantucket?
Nantucket Memorial Airport (ACK) is the primary Nantucket hub for United Airlines flights from Washington Dulles Intl. Airport (IAD).
Can I change or cancel my United Airlines flight from Washington Dulles Intl. Airport (IAD) to Nantucket Memorial Airport (ACK)?
You can usually change or cancel your flight, although there may be additional charges if your booking was made over 24 hours ago. Need flexible options? Use Expedia's "Changes included" or "No cancel fee" filter to find flights that won't charge extra if you need to alter your plans. To modify your booking, head to "Trips," select your flight and click on "Manage Booking" for further information.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Nantucket Memorial
Distance
673 km

Explore a world of travel with Expedia

*Available to Expedia members.