HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$373+ Cheap flights from Nantucket Island to Dulles Intl (IAD)

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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
ACK — IAD
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Nantucket Island to Dulles Intl 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 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 May 1, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$373
(Delta)

Popular in

April

Cheapest in

January

Average price

$194
Provider with most accurate pricing for Boston Logan Intl-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Washington, D.C. (WAS) flights.
Search Deals
From Nantucket Island to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

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 May 1, 2025.

This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/292:50 pmACK - IAD
1 stop4h 47mDelta
Sun 8/316:10 amIAD - ACK
2 stops8h 03mDelta
Deal found 4/30$373
This United Airlines deal was found by Cheapflights users on 4/30. 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 8/294:05 pmACK - IAD
1 stop4h 36mUnited Airlines
Sun 8/316:20 amIAD - ACK
1 stop3h 59mUnited Airlines
Deal found 4/30$451
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Fri 8/291:38 pmACK - IAD
2 stops23h 10mAmerican Airlines
Sun 8/315:20 pmIAD - ACK
2 stops19h 48mAmerican Airlines
Deal found 4/30$464
This United deal was found by Cheapflights users on 4/30. 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 6/248:58 amACK - IAD
1 stop5h 11mMultiple Airlines
Thu 6/268:35 amIAD - ACK
1 stop6h 35mMultiple Airlines
Deal found 4/30$756

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 May 1, 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

Fri 8/29

2:50 pm-7:37 pm

1 stop4h 47m

Washington, D.C. Dulles Intl

Sun 8/31

6:10 am-2:13 pm

2 stops8h 03m

$373

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Fri 8/29

4:05 pm-8:41 pm

1 stop4h 36m

Washington, D.C. Dulles Intl

Sun 8/31

6:20 am-10:19 am

1 stop3h 59m

$451

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Fri 8/29

1:38 pm-12:48 pm

2 stops23h 10m

Washington, D.C. Dulles Intl

Sun 8/31

5:20 pm-1:08 pm

2 stops19h 48m

$464

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Tue 6/24

8:58 am-2:09 pm

1 stop5h 11m

Washington, D.C. Dulles Intl

Thu 6/26

8:35 am-3:10 pm

1 stop6h 35m

$756

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Fri 5/9

4:55 pm-8:57 pm

1 stop4h 02m

$464

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Sun 8/3

6:51 pm-12:49 pm

2 stops17h 58m

$467

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Sun 8/3

4:10 pm-10:27 pm

1 stop6h 17m

$496

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Sun 8/17

2:50 pm-7:37 pm

1 stop4h 47m

$795

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated May 1, 2025.
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines to fly from Nantucket Island to Washington, D.C. Dulles Intl Airport one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $467. Users have also found prices from $496 and $795 on United Airlines and Delta, respectively.

  • 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, August is the cheapest month in which you can book a flight from Nantucket Island to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Nantucket Island to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $373). 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 Nantucket Island?

Book flights to Nantucket Island if you plan to visit one of these locations
Alexandria
Arlington
Woodbridge
Tysons
Fairfax
Springfield
Rockville
Fredericksburg
Silver Spring
Gaithersburg
Linthicum Heights
Falls Church
Laurel
Easton
Towson
Herndon
Sterling
Bowie
National Harbor
Oxon Hill

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.

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.