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$139+ Cheap flights from Washington, D.C. (WAS) to Nantucket (ACK)

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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ACK
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Nantucket

Cheapest flights from Washington, D.C. to Nantucket
Explore the most affordable flight options available from Washington, D.C. to Nantucket. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Expedia deal was found by Cheapflights users on 12/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:00 pmDCA - ACK
1 stop5h 50mMultiple Airlines
Fri 1/22:45 pmACK - DCA
1 stop5h 39mMultiple Airlines
Deal found 12/16$664
This Mytrip deal was found by Cheapflights users on 12/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:09 pmBWI - ACK
2 stops22h 41mMultiple Airlines
Sat 1/35:30 pmACK - BWI
2 stops30h 16mMultiple Airlines
Deal found 12/15$997

Find flight deals from Washington, D.C. to Nantucket

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Nantucket (ACK). 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$226
(Delta)

One-way from

$139
(JetBlue)

Popular in

October

Cheapest in

January

Average price

$203
Provider with most accurate pricing for Washington, D.C. (WAS)-Nantucket Memorial flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Nantucket Memorial flights.
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From Washington, D.C. (WAS) to Nantucket Memorial
Search Deals
One-way flight from Washington, D.C. (WAS) to Nantucket Memorial
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Highest demand for flights based on searches. 10% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Nantucket 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 December 18, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Nantucket that are best for you.

Fly from

Washington, D.C.

Fly to

Nantucket

Route

Depart

Return

Price

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Wed 5/27

9:30 am-6:05 pm

2 stops8h 35m

Nantucket Memorial

Wed 6/3

2:10 pm-7:16 pm

1 stop5h 06m

$232

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Wed 5/27

9:30 am-6:05 pm

2 stops8h 35m

Nantucket Memorial

Tue 6/2

2:10 pm-7:16 pm

1 stop5h 06m

$273

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Wed 5/27

9:30 am-6:05 pm

2 stops8h 35m

Nantucket Memorial

Sat 5/30

2:10 pm-7:16 pm

1 stop5h 06m

$273

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Thu 5/28

7:59 pm-1:27 pm

1 stop17h 28m

Nantucket Memorial

Wed 6/3

2:10 pm-7:16 pm

1 stop5h 06m

$310

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Fri 5/29

7:59 pm-1:27 pm

1 stop17h 28m

Nantucket Memorial

Wed 6/3

2:10 pm-7:16 pm

1 stop5h 06m

$310

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Tue 5/26

7:59 pm-1:27 pm

1 stop17h 28m

Nantucket Memorial

Sat 5/30

2:10 pm-7:16 pm

1 stop5h 06m

$321

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Sat 5/30

6:10 am-6:05 pm

2 stops11h 55m

Nantucket Memorial

Wed 6/3

2:10 pm-7:16 pm

1 stop5h 06m

$335

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Thu 5/28

7:59 pm-1:27 pm

1 stop17h 28m

Nantucket Memorial

Sat 5/30

2:10 pm-7:16 pm

1 stop5h 06m

$351

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Thu 5/28

7:59 pm-1:27 pm

1 stop17h 28m

Nantucket Memorial

Tue 6/2

2:10 pm-7:16 pm

1 stop5h 06m

$351

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Fri 5/29

7:59 pm-1:27 pm

1 stop17h 28m

Nantucket Memorial

Tue 6/2

2:10 pm-7:16 pm

1 stop5h 06m

$351

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 34 results
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Compare providers for flights from Washington, D.C. to Nantucket

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Nantucket in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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

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

How far ahead should I book a flight from Washington, D.C. to Nantucket?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Nantucket. Price data was last updated on December 12, 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Nantucket, you should look to book at least 18 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Nantucket (average of $43). Flying from Washington, D.C. to Nantucket in September is currently the most expensive (average of $114). 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.

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

Find hourly flight availability from Washington, D.C. to Nantucket. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

One of the essential ways to save on airfare from Washington, D.C. to Nantucket is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 83% on airfare.

Reviews of airlines servicing Nantucket

Get insights into the airlines that provide service to Nantucket. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Nantucket. Reviews last updated December 18, 2025.
Read reviews from past customers who have flown Delta, American Airlines, and JetBlue from Washington, D.C. to Nantucket. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,008 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,055 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
JetBlue
7.2
Good
2,897 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

    Most people fly into Nantucket Memorial (ACK) if they book a flight to Nantucket from Washington, D.C.. On average, Memorial has 0 inbound flights from Washington, D.C. per day from 2 airlines. Nantucket Memorial is conveniently located just 2.8 mi from Nantucket’s city center.

  • How long is the flight from Washington, D.C. to Nantucket?

    For as low as $594, Delta can have you in Nantucket from Washington, D.C. in 6h 50m. The distance from Washington, D.C. to Nantucket is about 404 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Washington, D.C. to Nantucket round-trip?

    Cheapflights users have booked flights from Washington, D.C. to Nantucket round-trip from $163. Another airline that can offer you cheap pricing is American Airlines.

  • What are the most popular routes from Washington, D.C. to Nantucket?

    While some choose either Washington, D.C. Dulles Intl - Nantucket Memorial or Baltimore/Washington - Nantucket Memorial, Washington, D.C. Reagan-National - Nantucket Memorial is the most popular route from Washington, D.C. to Nantucket.

  • Can I find deals for flights from Washington, D.C. to Nantucket that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Nantucket flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Nantucket?

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

  • Can I find deals for business class flights from Washington, D.C. to Nantucket?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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.

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

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Nantucket (average of $43). Flying from Washington, D.C. to Nantucket in September is currently the most expensive (average of $114). 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

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Top 2 airlines flying from Washington, D.C. to Nantucket

Discover the top 2 airlines that operate flights from Washington, D.C. to Nantucket. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$163Average$287FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$183Average$342FlexibilityNo cancel feeOn-time71%

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