In terms of precipitation, rainfall in Nantucket ranges from 1.6 - 4.3 inches per month. January is typically the wettest month, when rainfall can reach 4.3 in. June is typically the driest time to visit Nantucket when rainfall is around 1.6 in.

If weather is an important factor for your trip to Nantucket, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 32.0 F).

What is the cheapest time of day to fly from IAD to ACK?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Nantucket as you normally would.

Most accurate provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Nantucket flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Nantucket flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Nantucket flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Nantucket flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Nantucket flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$238+ Cheap Flights from Washington, D.C. Dulles Intl Airport to Nantucket

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Cheap flight deals from Dulles Intl to Nantucket

Cheapest

Best

Last-minute

One-way

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 11, 2026.

Sat 9/126:15 am -

1 stop3h 29m

Thu 9/179:50 am -

1 stop6h 45m

Deal found 9/11

$750

Sat 9/196:15 am -

1 stop3h 29m

Wed 9/239:50 am -

2 stops11h 35m

Deal found 9/8

$787

Sat 9/126:15 am -

1 stop3h 29m

Mon 9/143:39 pm -

1 stop7h 20m

Deal found 9/9

$796

Mon 9/710:15 pm -

2 stops16h 48m

Fri 9/113:39 pm -

1 stop7h 20m

Deal found 9/6

$849

Sat 9/198:35 am -

1 stop6h 28m

Mon 9/2110:25 pm -

2 stops12h 46m

Deal found 9/7

$856

Tue 9/88:35 am -

1 stop6h 28m

Mon 9/1412:30 pm -

2 stops8h 38m

Deal found 9/7

$871

Sat 9/126:15 am -

1 stop3h 29m

Mon 9/144:05 pm -

2 stops6h 54m

Deal found 9/9

$931

Thu 9/178:35 am -

1 stop6h 28m

Mon 9/2110:25 pm -

2 stops17h 44m

Deal found 9/8

$956

Best flights from Dulles Intl to Nantucket
Discover carefully curated flight deals from Dulles Intl to Nantucket that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.

Mon 10/58:50 am -

2 stops8h 12m

Mon 10/1212:30 pm -

2 stops18h 50m

Deal found 9/7

$1,072

Sat 11/1412:50 pm -

1 stop3h 44m

Sun 11/157:22 pm -

1 stop11h 48m

Deal found 9/9

$1,083

Thu 10/2210:15 pm -

1 stop11h 00m

Sun 10/254:57 pm -

1 stop14h 13m

Deal found 9/7

$1,084

Sun 10/2510:19 pm -

1 stop10h 56m

Wed 10/284:10 pm -

1 stop15h 00m

Deal found 9/7

$1,084

Thu 10/2910:19 pm -

1 stop15h 24m

Sun 11/17:22 pm -

1 stop11h 48m

Deal found 9/8

$1,084

Tue 9/2210:15 pm -

1 stop11h 22m

Thu 9/241:07 pm -

2 stops18h 13m

Deal found 9/11

$1,093

Wed 9/308:50 am -

1 stop3h 57m

Fri 10/212:10 pm -

2 stops8h 48m

Deal found 9/11

$1,137

Sat 10/3112:50 pm -

1 stop3h 44m

Sun 11/17:22 pm -

1 stop11h 48m

Deal found 9/10

$1,183

Last-minute flights from Dulles Intl to Nantucket
Discover last-minute flight deals from Dulles Intl to Nantucket. Data last updated September 11, 2026 and is based on user searches.

Sat 9/126:15 am -

1 stop3h 29m

Thu 9/179:50 am -

1 stop6h 45m

Deal found 9/11

$750

Sat 9/126:15 am -

1 stop3h 29m

Mon 9/143:39 pm -

1 stop7h 20m

Deal found 9/9

$796

Sat 9/126:15 am -

1 stop3h 29m

Mon 9/144:05 pm -

2 stops6h 54m

Deal found 9/9

$931

Tue 9/158:35 am -

2 stops7h 35m

Fri 9/183:39 pm -

1 stop7h 20m

Deal found 9/10

$999

Tue 9/158:35 am -

1 stop6h 28m

Fri 9/183:39 pm -

1 stop7h 20m

Deal found 9/10

$1,008

Thu 9/178:35 am -

1 stop6h 28m

Mon 9/2110:25 pm -

2 stops17h 44m

Deal found 9/8

$956

Sat 9/196:15 am -

1 stop3h 29m

Wed 9/239:50 am -

2 stops11h 35m

Deal found 9/8

$787

Sat 9/198:35 am -

1 stop6h 28m

Mon 9/2110:25 pm -

2 stops12h 46m

Deal found 9/7

$856

One-way flights from Dulles Intl to Nantucket
Search for one-way flight options from Dulles Intl to Nantucket. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.

Sat 9/196:15 am -

1 stop3h 29m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/10

$238

Sun 9/208:35 am -

1 stop6h 28m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/9

$356

Sat 9/2610:15 pm -

2 stops17h 40m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/8

$449

Fri 9/1810:15 pm -

2 stops16h 48m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/7

$474

Sun 9/208:35 am -

2 stops7h 20m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/9

$505

Wed 9/238:35 am -

1 stop6h 28m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/9

$508

Find flight deals from Dulles Intl to Nantucket

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$1,056 (United)
One-way from	$238 (United Airlines)
Popular in	June
Cheapest in	December
Average price	$272

Provider with most accurate pricing for Washington, D.C. Dulles Intl-Nantucket Memorial flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Nantucket Memorial flights.

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From Washington, D.C. Dulles Intl to Nantucket Memorial

Search Deals

One-way flight from Washington, D.C. Dulles Intl to Nantucket Memorial

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($49 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Washington, D.C.Nantucket

IAD Washington, D.C. Dulles Intl - ACK Nantucket Memorial

IADACK

Washington, D.C. Dulles Intl

Sat 9/19

8:35 am-3:03 pm

1 stop6h 28m

Nantucket Memorial

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$238

Washington, D.C.Nantucket

IAD Washington, D.C. Dulles Intl - ACK Nantucket Memorial

IADACK

Washington, D.C. Dulles Intl

Fri 9/18

10:09 pm-3:49 pm

2 stops17h 40m

Nantucket Memorial

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$486

Washington, D.C.Nantucket

IAD Washington, D.C. Dulles Intl - ACK Nantucket Memorial

IADACK

Washington, D.C. Dulles Intl

Wed 9/23

8:35 am-3:03 pm

1 stop6h 28m

Nantucket Memorial

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$559

Washington, D.C.Nantucket

IAD Washington, D.C. Dulles Intl - ACK Nantucket Memorial

IADACK

Washington, D.C. Dulles Intl

Sun 9/27

10:15 pm-8:45 pm

1 stop22h 30m

Nantucket Memorial

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$578

Washington, D.C.Nantucket

IAD Washington, D.C. Dulles Intl - ACK Nantucket Memorial

IADACK

Washington, D.C. Dulles Intl

Wed 9/16

1:05 pm-7:35 pm

1 stop6h 30m

Nantucket Memorial

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$652

Washington, D.C.Nantucket

IAD Washington, D.C. Dulles Intl - ACK Nantucket Memorial

IADACK

Washington, D.C. Dulles Intl

Mon 10/5

8:50 am-5:02 pm

2 stops8h 12m

Nantucket Memorial

Mon 10/12

12:30 pm-7:20 am

2 stops18h 50m

$1,072

Washington, D.C.Nantucket

IAD Washington, D.C. Dulles Intl - ACK Nantucket Memorial

IADACK

Washington, D.C. Dulles Intl

Sat 11/14

12:50 pm-4:34 pm

1 stop3h 44m

Nantucket Memorial

Sun 11/15

7:22 pm-7:10 am

1 stop11h 48m

$1,083

Washington, D.C.Nantucket

IAD Washington, D.C. Dulles Intl - ACK Nantucket Memorial

IADACK

Washington, D.C. Dulles Intl

Thu 10/22

10:15 pm-9:15 am

1 stop11h 00m

Nantucket Memorial

Sun 10/25

4:57 pm-7:10 am

1 stop14h 13m

$1,084

Washington, D.C.Nantucket

IAD Washington, D.C. Dulles Intl - ACK Nantucket Memorial

IADACK

Washington, D.C. Dulles Intl

Sun 10/25

10:19 pm-9:15 am

1 stop10h 56m

Nantucket Memorial

Wed 10/28

4:10 pm-7:10 am

1 stop15h 00m

$1,084

Washington, D.C.Nantucket

IAD Washington, D.C. Dulles Intl - ACK Nantucket Memorial

IADACK

Washington, D.C. Dulles Intl

Thu 10/29

10:19 pm-1:43 pm

1 stop15h 24m

Nantucket Memorial

Sun 11/1

7:22 pm-7:10 am

1 stop11h 48m

$1,084

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 13 resultsSorted by cheapest first

Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Nantucket flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Nantucket flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Nantucket flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Nantucket flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Nantucket flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

IAD-ACK

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

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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Alternative routes for Dulles Intl to Nantucket

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$238+ Cheap flights from Dulles Intl (IAD) to Nantucket (ACK)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/19. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Nantucket with Cheapflights

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Cheap flight deals from Dulles Intl to Nantucket

Cheapest flights from Dulles Intl to NantucketExplore 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 11, 2026.

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 11, 2026.

Best flights from Dulles Intl to NantucketDiscover carefully curated flight deals from Dulles Intl to Nantucket that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.

Discover carefully curated flight deals from Dulles Intl to Nantucket that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.

Last-minute flights from Dulles Intl to NantucketDiscover last-minute flight deals from Dulles Intl to Nantucket. Data last updated September 11, 2026 and is based on user searches.

Discover last-minute flight deals from Dulles Intl to Nantucket. Data last updated September 11, 2026 and is based on user searches.

One-way flights from Dulles Intl to NantucketSearch for one-way flight options from Dulles Intl to Nantucket. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.

Search for one-way flight options from Dulles Intl to Nantucket. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.

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Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Nantucket that are best for you.

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.

Related info for your journey

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dulles Intl to Nantucket

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Complete your trip

Complete your trip to Nantucket by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Dulles Intl to Nantucket by cabin class

Find flights from Dulles Intl to Nantucket, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Nantucket

Explore flights to Nantucket departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 11, 2026.

Dulles Intl and Nantucket flights

Browse other Dulles Intl and Nantucket flight options. Last updated on September 11, 2026.

Other flights from Dulles Intl

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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 11, 2026.

Best flights from Dulles Intl to Nantucket
Discover carefully curated flight deals from Dulles Intl to Nantucket that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.

Last-minute flights from Dulles Intl to Nantucket
Discover last-minute flight deals from Dulles Intl to Nantucket. Data last updated September 11, 2026 and is based on user searches.

One-way flights from Dulles Intl to Nantucket
Search for one-way flight options from Dulles Intl to Nantucket. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.