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Nantucket Island

$402+ 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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ACK
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
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 January 28, 2026.

This Delta deal was found by Cheapflights users on 1/26. 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.
Wed 9/210:40 am
IAD
-
ACK
2 stops7h 25m
Delta
Sun 9/62:10 pm
ACK
-
IAD
1 stop5h 06m
Delta
Deal found 1/26$433
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Mon 8/176:00 am
IAD
-
ACK
1 stop3h 56m
United Airlines
Wed 8/194:15 pm
ACK
-
IAD
1 stop6h 45m
United Airlines
Deal found 1/25$466
This American Airlines deal was found by Cheapflights users on 1/27. 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 8/226:34 am
IAD
-
ACK
1 stop5h 45m
American Airlines
Thu 8/271:38 pm
ACK
-
IAD
2 stops10h 21m
American Airlines
Deal found 1/27$472
This Delta deal was found by Cheapflights users on 1/27. 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 8/2210:40 am
IAD
-
ACK
2 stops7h 25m
Delta
Sat 8/292:10 pm
ACK
-
IAD
1 stop5h 06m
Delta
Deal found 1/27$534
This American Airlines deal was found by Cheapflights users on 1/27. 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 8/155:20 pm
IAD
-
ACK
2 stops21h 14m
American Airlines
Sat 8/2212:50 pm
ACK
-
IAD
1 stop19h 52m
American Airlines
Deal found 1/27$537
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Fri 6/1210:05 pm
IAD
-
ACK
2 stops16h 24m
United Airlines
Tue 6/164:15 pm
ACK
-
IAD
1 stop6h 45m
United Airlines
Deal found 1/26$561
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Sat 9/510:07 pm
IAD
-
ACK
1 stop16h 18m
United Airlines
Wed 9/94:15 pm
ACK
-
IAD
1 stop6h 45m
United Airlines
Deal found 1/26$566
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Sun 6/218:15 am
IAD
-
ACK
1 stop6h 36m
United Airlines
Wed 6/243:49 pm
ACK
-
IAD
1 stop4h 44m
United Airlines
Deal found 1/27$576
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Mon 6/2210:25 pm
IAD
-
ACK
2 stops11h 31m
United Airlines
Thu 6/254:15 pm
ACK
-
IAD
1 stop6h 45m
United Airlines
Deal found 1/27$595

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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$561
(United Airlines)

One-way from

$402
(Kiwi.com)

Popular in

October

Cheapest in

February

Average price

$207
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.
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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. 8% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 28, 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

Dulles Intl

Fly to

Nantucket Island

Route

Depart

Return

Price

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Fri 6/12

10:05 pm-2:29 pm

2 stops16h 24m

Nantucket Memorial

Tue 6/16

4:15 pm-11:00 pm

1 stop6h 45m

$561

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Mon 6/22

6:00 am-9:56 am

1 stop3h 56m

Nantucket Memorial

Thu 6/25

4:15 pm-11:00 pm

1 stop6h 45m

$576

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Sun 6/21

8:15 am-2:51 pm

1 stop6h 36m

Nantucket Memorial

Wed 6/24

3:49 pm-8:33 pm

1 stop4h 44m

$576

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Fri 7/17

6:00 am-9:56 am

1 stop3h 56m

Nantucket Memorial

Fri 7/31

4:15 pm-11:00 pm

1 stop6h 45m

$617

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Sat 6/20

6:40 am-12:19 pm

1 stop5h 39m

Nantucket Memorial

Sat 6/27

12:50 pm-5:14 pm

1 stop4h 24m

$618

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Sun 5/24

6:00 am-9:56 am

1 stop3h 56m

Nantucket Memorial

Sun 5/31

4:15 pm-11:00 pm

1 stop6h 45m

$638

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Fri 7/17

6:40 am-12:19 pm

1 stop29h 39m

Nantucket Memorial

Fri 7/31

2:19 pm-11:58 pm

2 stops9h 39m

$793

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Fri 6/12

3:06 pm-6:57 pm

2 stops27h 51m

$402

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Fri 6/12

6:00 am-9:56 am

1 stop3h 56m

$434

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

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 United Airlines fly from Washington, D.C. Dulles Intl Airport to Nantucket Island in about 16h 24m. The time it takes to get you to your destination can typically vary by up to . The distance between Washington, D.C. Dulles Intl Airport and Nantucket Island is about 421 mi.

  • 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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Alternative routes for Dulles Intl to Nantucket Island

See prices for flight routes from nearby airports that may be better suited for you.
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