HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Nantucket Island

$509+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ACK
Nov 9 — Nov 161
Sun 11/9
Sun 11/16
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 October 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$896
(United)

One-way from

$509
(Kiwi.com)

Popular in

October

Cheapest in

January

Average price

$252
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 ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 10, 2025.

This United deal was found by Cheapflights users on 10/7. 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 10/128:30 amIAD - ACK
2 stops6h 43mMultiple Airlines
Thu 10/164:54 pmACK - IAD
1 stop3h 58mMultiple Airlines
Deal found 10/7$1,059
This United deal was found by Cheapflights users on 10/7. 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.
Mon 10/208:50 amIAD - ACK
1 stop5h 10mMultiple Airlines
Sat 10/257:00 amACK - IAD
1 stop9h 20mMultiple Airlines
Deal found 10/7$1,074
This United deal was found by Cheapflights users on 10/9. 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.
Tue 10/218:50 amIAD - ACK
1 stop5h 10mMultiple Airlines
Wed 10/227:00 amACK - IAD
1 stop13h 52mMultiple Airlines
Deal found 10/9$1,084
This United deal was found by Cheapflights users on 10/9. 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.
Fri 11/149:00 amIAD - ACK
1 stop11h 40mMultiple Airlines
Sun 11/166:49 amACK - IAD
1 stop4h 24mMultiple Airlines
Deal found 10/9$1,130
This United deal was found by Cheapflights users on 10/8. 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 10/188:50 amIAD - ACK
1 stop8h 50mMultiple Airlines
Mon 10/204:54 pmACK - IAD
1 stop3h 58mMultiple Airlines
Deal found 10/8$1,164
This United deal was found by Cheapflights users on 10/9. 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 stop10h 50mMultiple Airlines
Thu 10/237:00 amACK - IAD
1 stop4h 14mMultiple Airlines
Deal found 10/9$1,224
This United Airlines deal was found by Cheapflights users on 10/8. 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 10/319:00 amIAD - ACK
1 stop3h 25mMultiple Airlines
Sun 11/25:25 pmACK - IAD
1 stop4h 00mMultiple Airlines
Deal found 10/8$1,415

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 October 10, 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

Fri 2/27

12:43 pm-5:05 pm

1 stop4h 22m

Nantucket Memorial

Tue 3/3

11:05 am-9:19 pm

1 stop10h 14m

$896

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Mon 10/20

8:50 am-2:00 pm

1 stop5h 10m

Nantucket Memorial

Sat 10/25

7:00 am-4:20 pm

1 stop9h 20m

$1,074

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Tue 10/21

8:50 am-2:00 pm

1 stop5h 10m

Nantucket Memorial

Wed 10/22

7:00 am-8:52 pm

1 stop13h 52m

$1,084

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Fri 11/14

9:00 am-8:40 pm

1 stop11h 40m

Nantucket Memorial

Sun 11/16

6:49 am-11:13 am

1 stop4h 24m

$1,130

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Fri 10/31

9:00 am-12:25 pm

1 stop3h 25m

Nantucket Memorial

Sun 11/2

5:25 pm-9:25 pm

1 stop4h 00m

$1,415

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Thu 10/16

4:40 pm-6:29 am

3 stops37h 49m

$509

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Fri 10/31

9:00 am-2:00 pm

1 stop5h 00m

$552

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

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.

  • 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.

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
Reagan-National to Hartford flights
Baltimore to Hartford flights
Dulles Intl to Hartford flights
Dulles Intl to Albany flights
Reagan-National to Albany flights
Baltimore to Albany flights
Reagan-National to Hyannis flights
Reagan-National to West Tisbury flights
Dulles Intl to West Tisbury flights
Baltimore to Nantucket flights
Reagan-National to Nantucket flights
Dulles Intl to Nantucket flights
Baltimore to West Tisbury flights
Dulles Intl to Worcester flights
Baltimore to Worcester flights
Reagan-National to Provincetown flights
Dulles Intl to Provincetown flights
Dulles Intl to Hyannis flights
Baltimore to Hyannis flights
Baltimore to Provincetown flights
Baltimore to New Bedford flights
Dulles Intl 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.