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Dulles Intl

$333+ Cheap flights from Nantucket (ACK) 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
ACK — IAD
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
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Cheap flight deals from Nantucket to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Nantucket (ACK) to Dulles Intl (IAD). 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 septiembre 16, 2025.

Round-trip from

$675
(United)

One-way from

$333
(United)

Popular in

November

Cheapest in

January

Average price

$197
From Nantucket Memorial to Washington, D.C. Dulles Intl
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One-way flight from Nantucket Memorial to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 4% potential increase in price ($8 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 September 2025
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Find flight deals from Nantucket to Dulles Intl

Cheapest flights from Nantucket to Dulles Intl
Explore the most affordable flight options available from Nantucket to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 16, 2025.

This United deal was found by Cheapflights users on 9/16. 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.
mar. 9/302:15 pmACK - IAD
2 stops20h 59mMultiple Airlines
mar. 11/410:07 pmIAD - ACK
2 stops19h 22mMultiple Airlines
Deal found 9/16$675
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.
sáb. 9/208:08 amACK - IAD
1 stop8h 15mMultiple Airlines
sáb. 9/2010:32 pmIAD - ACK
1 stop11h 23mMultiple Airlines
Deal found 9/14$1,064
This United deal was found by Cheapflights users on 9/16. 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.
mar. 9/305:00 pmACK - IAD
1 stop3h 52mMultiple Airlines
vie. 10/319:00 amIAD - ACK
1 stop6h 44mMultiple Airlines
Deal found 9/16$1,104
This United deal was found by Cheapflights users on 9/16. 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. 11/96:49 amACK - IAD
1 stop4h 24mMultiple Airlines
mié. 11/125:10 pmIAD - ACK
1 stop3h 30mMultiple Airlines
Deal found 9/16$1,130

Cheapflights Fare Finder

 
Customize your flight search to find flights from Nantucket 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 septiembre 16, 2025.
Use the filters below to find and compare flights from Nantucket to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Nantucket

Fly to

Dulles Intl

Route

Depart

Return

Price

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

mar. 9/30

2:15 pm-11:14 am

2 stops20h 59m

Washington, D.C. Dulles Intl

mar. 11/4

10:07 pm-5:29 pm

2 stops19h 22m

$675

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

mar. 9/30

5:00 pm-8:52 pm

1 stop3h 52m

Washington, D.C. Dulles Intl

vie. 10/31

9:00 am-3:44 pm

1 stop6h 44m

$1,104

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

mar. 9/30

5:36 pm-11:14 am

2 stops17h 38m

$347

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

sáb. 10/4

9:30 am-2:25 pm

2 stops28h 55m

$430

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

dom. 10/5

5:23 pm-11:16 pm

3 stops29h 53m

$439

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

mar. 10/7

11:41 am-7:46 pm

3 stops32h 05m

$441

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

jue. 11/6

2:16 pm-7:13 am

2 stops16h 57m

$443

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

dom. 11/9

6:14 pm-12:11 am

3 stops29h 57m

$467

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

jue. 10/30

11:05 am-4:08 pm

1 stop5h 03m

$522

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

dom. 9/21

8:20 pm-11:13 am

2 stops14h 53m

$527

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Best time to book a flight from Nantucket to Dulles Intl

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

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

Currently, August is the cheapest month in which you can book a flight from Nantucket to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Nantucket 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.

Related info for your journey

Find useful and relevant information for your journey from Nantucket to Dulles Intl. 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 from for flights from Nantucket to Washington, D.C. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl from Nantucket, you will be flying from Memorial, which is the city’s only airport. Nantucket Memorial (ACK) is located 2.8 mi from the center of Nantucket. There are 0 flights from Memorial to Washington, D.C. Dulles Intl per day from 0 different airlines.

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

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

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

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

    Yes. Cheapflights offers flight deals from Nantucket 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 to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Nantucket to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Nantucket 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
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
National Harbor
Dundalk

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