$180 Cheap Delta flights Washington (IAD) to Nantucket (ACK)

You can find budget-friendly return Delta Air Lines flights from $212 from IAD to ACK by filtering your results from “Price (lowest to highest)” on Expedia. Or look for options from $180 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.

Search for one-way or return flights to Nantucket in February or January. You could find a cheap fare with Delta Air Lines during these off-peak months.

Look for cheap Delta Air Lines flights from Washington Dulles Intl. Airport (IAD) to Nantucket Memorial Airport (ACK) one to three months prior to your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and itinerary, the best day to book a domestic flight is generally Sunday and the most expensive day tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**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.

To figure out if there’s a direct journey from IAD to ACK with Delta Air Lines or any other airlines, select the “Nonstop” filter when looking for flights.

Browse Delta Air Lines’s earliest flights from IAD to ACK by selecting the “Early Morning” and “Morning” filters. Not only will you arrive at your destination sooner, early departures also experience 20% fewer 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.

Nantucket Memorial Airport (ACK) is the primary Nantucket gateway for Delta Air Lines flights from Washington Dulles Intl. Airport (IAD).

Delta Air Lines makes flying from IAD to ACK more comfortable with a rewarding loyalty program and an excellent in-flight experience. You may even earn points with Delta SkyMiles. Make sure you sign up to Expedia’s free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on your fare type, a fee generally applies if you cancel or reschedule your flight more than 24 hours after confirmation. To find flexible fares, select our “Changes included” and “No cancel fee” boxes when you search for flights. For additional information on canceling or changing your reservation, go to “Trips,” select your flight and click on “Manage Booking.”