HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Nantucket Island

$103+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ACK
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Nantucket Island with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 August 21, 2025.

Round-trip from

$278
(Delta)

One-way from

$103
(United Airlines)

Popular in

April

Cheapest in

January

Average price

$227
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. 6% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find 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 August 21, 2025.

This Delta deal was found by Cheapflights users on 8/18. 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 9/26:00 amIAD - ACK
2 stops8h 46mDelta
Fri 9/53:26 pmACK - IAD
1 stop4h 17mDelta
Deal found 8/18$278
This United Airlines deal was found by Cheapflights users on 8/20. 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 8/316:20 amIAD - ACK
1 stop3h 35mUnited Airlines
Thu 9/44:16 pmACK - IAD
1 stop4h 25mUnited Airlines
Deal found 8/20$308
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/26:20 amIAD - ACK
1 stop3h 35mUnited Airlines
Thu 9/44:16 pmACK - IAD
1 stop4h 25mUnited Airlines
Deal found 8/18$312
This Delta deal was found by Cheapflights users on 8/19. 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 8/256:00 amIAD - ACK
2 stops10h 09mDelta
Thu 8/283:26 pmACK - IAD
1 stop4h 17mDelta
Deal found 8/19$313
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/16:20 amIAD - ACK
1 stop3h 35mUnited Airlines
Thu 9/44:16 pmACK - IAD
1 stop4h 25mUnited Airlines
Deal found 8/18$322
This Delta deal was found by Cheapflights users on 8/20. 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 9/28:23 pmIAD - ACK
1 stop18h 23mDelta
Thu 9/43:26 pmACK - IAD
1 stop4h 17mDelta
Deal found 8/20$325
This Delta deal was found by Cheapflights users on 8/20. 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.
Sun 8/315:25 pmIAD - ACK
2 stops18h 01mDelta
Thu 9/43:26 pmACK - IAD
1 stop4h 17mDelta
Deal found 8/20$340

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 August 21, 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

Tue 9/2

6:00 am-2:46 pm

2 stops8h 46m

Nantucket Memorial

Thu 9/4

3:26 pm-7:43 pm

1 stop4h 17m

$278

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Tue 9/2

6:00 am-2:46 pm

2 stops8h 46m

Nantucket Memorial

Fri 9/5

3:26 pm-7:43 pm

1 stop4h 17m

$278

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Mon 8/25

6:00 am-4:09 pm

2 stops10h 09m

Nantucket Memorial

Wed 8/27

3:26 pm-7:43 pm

1 stop4h 17m

$307

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Sun 8/31

6:20 am-9:55 am

1 stop3h 35m

Nantucket Memorial

Thu 9/4

4:16 pm-8:41 pm

1 stop4h 25m

$308

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Mon 8/25

6:00 am-4:09 pm

2 stops10h 09m

Nantucket Memorial

Thu 8/28

3:26 pm-7:43 pm

1 stop4h 17m

$313

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Mon 9/1

6:20 am-9:55 am

1 stop3h 35m

Nantucket Memorial

Thu 9/4

4:16 pm-8:41 pm

1 stop4h 25m

$327

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Sun 8/31

5:25 pm-11:26 am

2 stops18h 01m

Nantucket Memorial

Thu 9/4

3:26 pm-7:43 pm

1 stop4h 17m

$340

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Sat 8/30

8:23 pm-2:46 pm

1 stop18h 23m

Nantucket Memorial

Thu 9/4

3:26 pm-7:43 pm

1 stop4h 17m

$345

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Sat 8/30

8:23 pm-2:46 pm

1 stop18h 23m

Nantucket Memorial

Fri 9/5

3:26 pm-7:43 pm

1 stop4h 17m

$355

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Tue 9/16

6:20 am-9:55 am

1 stop3h 35m

$103

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

Showing 1-10 of 18 results
1
2

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 35m. The time it takes to get you to your destination can typically vary by up to 5h 11m. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Nantucket Island

See prices for flight routes from nearby airports that may be better suited for you.
Baltimore to Boston flights
Dulles Intl to Boston flights
Reagan-National to Boston flights
Dulles Intl to Hartford flights
Reagan-National to Hartford flights
Dulles Intl to Albany flights
Reagan-National to Albany flights
Baltimore to Hartford flights
Reagan-National to West Tisbury flights
Reagan-National to Nantucket flights
Baltimore to Albany flights
Dulles Intl to Nantucket flights
Dulles Intl to West Tisbury flights
Reagan-National to Hyannis flights
Baltimore to West Tisbury flights
Baltimore to Nantucket flights
Dulles Intl to Hyannis flights
Baltimore to Worcester flights
Reagan-National to Provincetown flights
Baltimore to Hyannis flights
Dulles Intl to Provincetown flights
Dulles Intl to Worcester flights
Baltimore to Provincetown flights
Dulles Intl to New Bedford flights
Baltimore to New Bedford flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.