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Nantucket Island

$192+ Cheap flights from Dulles Intl (IAD) to Nantucket Island

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ACK
Apr 16 — Apr 231
Thu 4/16
Thu 4/23
1 adult, Economy
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Cheap flight deals from Dulles Intl to Nantucket Island

Cheapest flights from Dulles Intl to Nantucket Island
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 March 17, 2026.

This Delta deal was found by Cheapflights users on 3/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:00 am
IAD
-
ACK
2 stops10h 03m
Delta
Sat 6/132:10 pm
ACK
-
IAD
1 stop5h 06m
Delta
Deal found 3/14$338
This Delta deal was found by Cheapflights users on 3/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:59 pm
IAD
-
ACK
1 stop17h 28m
Delta
Sat 6/132:10 pm
ACK
-
IAD
1 stop5h 06m
Delta
Deal found 3/14$339
This American Airlines deal was found by Cheapflights users on 3/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/178:22 pm
IAD
-
ACK
2 stops13h 30m
American Airlines
Fri 7/311:53 pm
ACK
-
IAD
1 stop5h 47m
American Airlines
Deal found 3/15$408
This American Airlines deal was found by Cheapflights users on 3/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/188:21 pm
IAD
-
ACK
2 stops13h 29m
American Airlines
Fri 7/241:53 pm
ACK
-
IAD
1 stop5h 47m
American Airlines
Deal found 3/12$428
This American Airlines deal was found by Cheapflights users on 3/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/56:33 am
IAD
-
ACK
1 stop6h 50m
American Airlines
Fri 7/101:53 pm
ACK
-
IAD
1 stop5h 47m
American Airlines
Deal found 3/16$431
This Delta deal was found by Cheapflights users on 3/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:00 am
IAD
-
ACK
2 stops9h 21m
Delta
Sat 6/132:10 pm
ACK
-
IAD
1 stop5h 06m
Delta
Deal found 3/13$468
This United Airlines deal was found by Cheapflights users on 3/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:29 am
IAD
-
ACK
1 stop6h 18m
United Airlines
Fri 9/183:49 pm
ACK
-
IAD
1 stop7h 10m
United Airlines
Deal found 3/16$478
This Delta deal was found by Cheapflights users on 3/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:00 am
IAD
-
ACK
2 stops10h 03m
Delta
Thu 7/92:10 pm
ACK
-
IAD
1 stop5h 06m
Delta
Deal found 3/16$483

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 March 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$338
(Delta)

One-way from

$192
(United Airlines)

Popular in

October

Cheapest in

December

Average price

$239
Provider with most accurate pricing for Washington, D.C. (WAS)-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Boston Logan Intl flights.
Search Deals
From Washington, D.C. Dulles Intl to Nantucket Island
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Nantucket Island
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($9 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 17, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Sat 7/4

6:00 am-4:03 pm

2 stops10h 03m

Nantucket Memorial

Thu 7/9

2:10 pm-7:16 pm

1 stop5h 06m

$513

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Mon 7/6

6:33 am-10:15 am

1 stop3h 42m

Nantucket Memorial

Thu 7/9

10:53 am-4:32 pm

1 stop5h 39m

$558

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Wed 6/3

8:29 am-2:56 pm

1 stop6h 27m

Nantucket Memorial

Mon 6/8

3:44 pm-9:00 pm

1 stop5h 16m

$567

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Fri 5/29

8:29 am-2:56 pm

1 stop6h 27m

Nantucket Memorial

Mon 6/1

3:44 pm-9:00 pm

1 stop5h 16m

$638

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Tue 7/28

6:33 am-10:15 am

1 stop3h 42m

Nantucket Memorial

Thu 7/30

10:53 am-4:32 pm

1 stop5h 39m

$668

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Sat 8/1

6:00 am-4:03 pm

2 stops10h 03m

Nantucket Memorial

Sat 8/8

2:10 pm-7:16 pm

1 stop5h 06m

$694
Quickest round-trip

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Sun 7/5

6:33 am-10:15 am

1 stop3h 42m

Nantucket Memorial

Wed 7/8

3:44 pm-9:00 pm

1 stop5h 16m

$718

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Wed 7/22

8:25 am-3:04 pm

1 stop6h 39m

Nantucket Memorial

Sun 7/26

4:32 pm-9:24 am

1 stop16h 52m

$766
Cheapest one-way
Quickest one-way

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Sun 6/28

6:33 am-10:15 am

1 stop3h 42m

$200

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Mon 8/24

5:20 pm-9:59 am

2 stops16h 39m

$272

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/15

Showing 1-10 of 17 resultsSorted by cheapest first
1
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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
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Nantucket Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Nantucket Island?

    Airlines like Delta and United Airlines fly from Washington, D.C. Dulles Intl Airport to Nantucket Island in about 3h 42m. The time it takes to get you to your destination can typically vary by up to 6h 21m. The distance between Washington, D.C. Dulles Intl Airport and Nantucket Island is about 421 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Dulles Intl to Nantucket Island that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Nantucket Island flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Nantucket Island?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Nantucket Island.

  • Can I find deals for business class flights from Dulles Intl to Nantucket Island?

    Yes. Cheapflights offers flight deals from Dulles Intl to Nantucket Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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