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Nantucket

$335+ Cheap flights from Dulles Intl (IAD) to Nantucket (ACK)

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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ACK
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Dulles Intl to Nantucket

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Nantucket (ACK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2025.

Round-trip from

$706
(United)

One-way from

$335
(United)

Popular in

August

Cheapest in

January

Average price

$215
From Washington, D.C. Dulles Intl to Nantucket Memorial
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One-way flight from Washington, D.C. Dulles Intl to Nantucket Memorial
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Highest demand for flights based on searches. 9% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Dulles Intl to Nantucket

Cheapest flights from Dulles Intl to Nantucket
Explore the most affordable flight options available from Dulles Intl to Nantucket. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1310:45 pmIAD - ACK
2 stops11h 10mUnited Airlines
Tue 9/164:31 pmACK - IAD
1 stop4h 10mUnited Airlines
Deal found 9/13$487
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1410:20 pmIAD - ACK
2 stops11h 35mUnited Airlines
Tue 9/164:31 pmACK - IAD
1 stop6h 08mUnited Airlines
Deal found 9/14$530
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:20 amIAD - ACK
1 stop3h 35mUnited Airlines
Mon 9/224:31 pmACK - IAD
1 stop6h 08mUnited Airlines
Deal found 9/13$693
This United deal was found by Cheapflights users on 9/14. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1410:20 pmIAD - ACK
1 stop11h 40mMultiple Airlines
Tue 9/164:31 pmACK - IAD
1 stop4h 10mMultiple Airlines
Deal found 9/14$786
This United deal was found by Cheapflights users on 9/14. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/208:35 amIAD - ACK
1 stop6h 36mMultiple Airlines
Mon 9/226:50 amACK - IAD
1 stop4h 23mMultiple Airlines
Deal found 9/14$872
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1310:45 pmIAD - ACK
2 stops11h 10mUnited Airlines
Sun 9/144:31 pmACK - IAD
2 stops22h 07mUnited Airlines
Deal found 9/13$955
This United deal was found by Cheapflights users on 9/13. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2712:35 pmIAD - ACK
1 stop9h 50mMultiple Airlines
Sat 10/48:58 amACK - IAD
1 stop11h 54mMultiple Airlines
Deal found 9/13$1,040
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/512:52 pmIAD - ACK
2 stops20h 18mMultiple Airlines
Fri 10/106:50 amACK - IAD
2 stops8h 59mMultiple Airlines
Deal found 9/14$1,041
This United deal was found by Cheapflights users on 9/15. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/168:50 amIAD - ACK
1 stop11h 50mMultiple Airlines
Fri 10/176:49 amACK - IAD
1 stop4h 25mMultiple Airlines
Deal found 9/15$1,084
This United deal was found by Cheapflights users on 9/13. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1312:35 pmIAD - ACK
2 stops17h 55mMultiple Airlines
Mon 9/157:00 amACK - IAD
1 stop4h 13mMultiple Airlines
Deal found 9/13$1,091
This United deal was found by Cheapflights users on 9/14. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1610:19 pmIAD - ACK
1 stop14h 06mMultiple Airlines
Sun 10/194:54 pmACK - IAD
1 stop14h 17mMultiple Airlines
Deal found 9/14$1,096
This United deal was found by Cheapflights users on 9/13. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:50 amIAD - ACK
1 stop5h 15mMultiple Airlines
Mon 9/298:30 pmACK - IAD
1 stop14h 44mMultiple Airlines
Deal found 9/13$1,104

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Nantucket 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 September 15, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Nantucket that are best for you.

Fly from

Dulles Intl

Fly to

Nantucket

Route

Depart

Return

Price

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Sat 9/20

8:35 am-3:11 pm

1 stop6h 36m

Nantucket Memorial

Mon 9/22

6:50 am-11:13 am

1 stop4h 23m

$872

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Sat 9/27

12:35 pm-10:25 pm

1 stop9h 50m

Nantucket Memorial

Sat 10/4

8:58 am-8:52 pm

1 stop11h 54m

$1,040

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Sun 10/5

12:52 pm-9:10 am

2 stops20h 18m

Nantucket Memorial

Fri 10/10

6:50 am-3:49 pm

2 stops8h 59m

$1,041

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Thu 10/16

8:50 am-8:40 pm

1 stop11h 50m

Nantucket Memorial

Fri 10/17

6:49 am-11:14 am

1 stop4h 25m

$1,084

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Thu 10/16

10:19 pm-12:25 pm

1 stop14h 06m

Nantucket Memorial

Sun 10/19

4:54 pm-7:11 am

1 stop14h 17m

$1,096

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Thu 9/25

8:50 am-2:05 pm

1 stop5h 15m

Nantucket Memorial

Mon 9/29

8:30 pm-11:14 am

1 stop14h 44m

$1,104

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Fri 10/31

5:10 pm-8:40 pm

1 stop3h 30m

Nantucket Memorial

Wed 11/5

7:00 am-4:08 pm

1 stop9h 08m

$1,130

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Thu 11/6

12:51 pm-5:54 pm

1 stop5h 03m

Nantucket Memorial

Mon 11/10

6:49 am-11:13 am

1 stop4h 24m

$1,130

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Sat 10/18

12:35 pm-5:40 pm

1 stop5h 05m

Nantucket Memorial

Sat 10/25

4:54 pm-8:52 pm

1 stop3h 58m

$1,130

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Tue 10/14

10:19 pm-5:29 pm

2 stops19h 10m

$335

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Best time to book a flight from Dulles Intl to Nantucket

Have a flexible travel schedule? Discover the best time to fly to Nantucket 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.

Related info for your journey

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

  • What airport do you fly into for flights to Nantucket from Washington, D.C. Dulles Intl?

    Nantucket Memorial (ACK) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Nantucket. You should not have trouble finding flights to Memorial from Washington, D.C. Dulles Intl; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Nantucket airport from Washington, D.C. Dulles Intl. It is only a 2.8 mi journey from Memorial (ACK) to Nantucket’s city center.

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

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

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

    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.

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Nantucket 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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See prices for flight routes from nearby airports that may be better suited for you.
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