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Dulles Intl

$214+ Cheap flights from Nantucket Island to Dulles Intl (IAD)

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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
ACK — IAD
ago. 26 — sep. 21
mar. 8/26
mar. 9/2
1 adult, Economy
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Cheap flight deals from Nantucket Island to Dulles Intl

Keep the following information in mind while searching for Nantucket Island to Dulles Intl flight deals. Data was last updated agosto 21, 2025.

Round-trip from

$538
(United Airlines)

One-way from

$214
(American Airlines)

Popular in

November

Cheapest in

January

Average price

$213
From Nantucket Island to Washington, D.C. Dulles Intl
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One-way flight from Nantucket Island to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 4% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Nantucket Island to Dulles Intl

Cheapest flights from Nantucket Island to Dulles Intl
Explore the most affordable flight options available from Nantucket Island to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 21, 2025.

This United Airlines deal was found by Cheapflights users on 8/21. 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.
vie. 9/54:31 pmACK - IAD
1 stop4h 10mUnited Airlines
mar. 9/98:40 amIAD - ACK
1 stop6h 10mUnited Airlines
Deal found 8/21$538
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/236:46 pmACK - IAD
1 stop3h 58mUnited Airlines
mar. 8/266:20 amIAD - ACK
1 stop3h 35mUnited Airlines
Deal found 8/19$577
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/233:34 pmACK - IAD
2 stops19h 39mMultiple Airlines
mar. 8/266:20 amIAD - ACK
1 stop3h 35mMultiple Airlines
Deal found 8/20$850
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/215:10 pmACK - IAD
1 stop3h 45mMultiple Airlines
mié. 9/248:40 amIAD - ACK
1 stop6h 11mMultiple Airlines
Deal found 8/19$1,036
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/224:31 pmACK - IAD
1 stop4h 10mUnited Airlines
mié. 9/246:20 amIAD - ACK
1 stop3h 35mUnited Airlines
Deal found 8/19$1,104
This American Airlines deal was found by Cheapflights users on 8/21. 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.
sáb. 8/2311:41 amACK - IAD
1 stop12h 16mAmerican Airlines
mar. 8/267:25 pmIAD - ACK
3 stops17h 46mAmerican Airlines
Deal found 8/21$1,126

Cheapflights Fare Finder

 
Customize your flight search to find flights from Nantucket Island to Dulles Intl 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 agosto 21, 2025.
Use the filters below to find and compare flights from Nantucket Island to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Nantucket Island

Fly to

Dulles Intl

Route

Depart

Return

Price

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

vie. 9/5

4:31 pm-8:41 pm

1 stop4h 10m

Washington, D.C. Dulles Intl

mar. 9/9

8:40 am-2:50 pm

1 stop6h 10m

$538

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

dom. 9/21

5:10 pm-8:55 pm

1 stop3h 45m

Washington, D.C. Dulles Intl

mié. 9/24

8:40 am-2:51 pm

1 stop6h 11m

$1,036

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

lun. 9/22

4:31 pm-8:41 pm

1 stop4h 10m

Washington, D.C. Dulles Intl

mié. 9/24

6:20 am-9:55 am

1 stop3h 35m

$1,104

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

jue. 10/9

6:50 am-11:14 am

1 stop4h 24m

Washington, D.C. Dulles Intl

lun. 10/13

10:19 pm-9:10 am

1 stop10h 51m

$1,424

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

sáb. 9/20

5:30 pm-10:30 pm

1 stop5h 00m

Washington, D.C. Dulles Intl

mié. 9/24

6:20 am-9:55 am

1 stop3h 35m

$1,552

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

sáb. 8/30

11:57 am-7:42 pm

1 stop7h 45m

$214

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

jue. 10/2

11:41 am-2:25 pm

2 stops26h 44m

$259

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

sáb. 10/11

10:55 am-2:25 pm

2 stops27h 30m

$312

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

jue. 9/11

4:16 pm-10:39 pm

1 stop6h 23m

$334

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

sáb. 9/20

8:19 pm-2:25 pm

3 stops42h 06m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

Showing 1-10 of 12 results
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Best time to book a flight from Nantucket Island to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Nantucket Island 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 Nantucket Island to Washington, D.C. Dulles Intl Airport
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 Nantucket Island to Dulles Intl. 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 Nantucket Island to Washington, D.C. Dulles Intl Airport?

    Airlines like United Airlines fly from Nantucket Island to Washington, D.C. Dulles Intl Airport in about 4h 10m. The time it takes to get you to your destination can typically vary by up to . There are 421 mi between Nantucket Island and Washington, D.C. Dulles Intl Airport.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Nantucket Island to Washington, D.C. Dulles Intl Airport?

    Currently, July is the cheapest month in which you can book a flight from Nantucket Island to Washington, D.C. Dulles Intl Airport (average of $303). Flying from Nantucket Island to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Fairfax
Manassas
Falls Church
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Waldorf
Bowie

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