$1,213+ Cheap flights from Dulles Intl (IAD) to Nantucket Island
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ACK
Jan 11 — Jan 181
1 adult, Economy
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Cheapest flights from Dulles Intl to Nantucket IslandExplore the most affordable flight options available from Dulles Intl to Nantucket Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.
Explore the most affordable flight options available from Dulles Intl to Nantucket Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.
This Mytrip deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:13 pmIAD - ACK
2 stops20h 37mMultiple Airlines
Mon 12/297:00 amACK - IAD
2 stops8h 01mMultiple Airlines
Deal found 12/10![Multiple Airlines logo]()
$1,213
Find flight deals from Dulles Intl to Nantucket Island
Keep the following information in mind while searching for Dulles Intl to Nantucket Island flight deals. Data was last updated December 12, 2025.
Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $1,213 (Mytrip) |
Popular in | October |
Cheapest in | January |
Average price | $197 |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to Nantucket Island that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Nantucket Island that are best for you.
Fly from
Dulles Intl
Fly to
Nantucket Island
Route
Depart
Return
Price
Washington, D.C.Nantucket
IAD - ACK
IADACK
Washington, D.C. Dulles Intl
Thu 12/25
5:13 pm-1:50 pm
2 stops20h 37m
Nantucket Memorial
Mon 12/29
7:00 am-3:01 pm
2 stops8h 01m
$1,213
Best time to book a flight from Dulles Intl to Nantucket Island
Have a flexible travel schedule? Discover the best time to fly to Nantucket Island from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Nantucket Island
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