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Dulles Intl

$138+ 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 6/27. Fares are subject to change and may not be available on all flights or dates of travel.
ACK — IAD
May 26 — Jun 21
Mon 5/26
Mon 6/2
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 May 21, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$301
(United Airlines)

One-way from

$138
(Delta)

Popular in

November

Cheapest in

January

Average price

$207
Provider with most accurate pricing for Boston Logan Intl-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Washington, D.C. (WAS) flights.
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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. 6% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 21, 2025.

This United Airlines deal was found by Cheapflights users on 5/20. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/44:10 pmACK - IAD
1 stop4h 52mUnited Airlines
Sun 7/66:15 amIAD - ACK
1 stop4h 13mUnited Airlines
Deal found 5/20$301
This Delta deal was found by Cheapflights users on 5/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/263:20 pmACK - IAD
1 stop4h 30mDelta
Wed 7/26:00 amIAD - ACK
2 stops10h 05mDelta
Deal found 5/21$673
This United deal was found by Cheapflights users on 5/20. 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.
Sun 6/158:19 pmACK - IAD
2 stops17h 50mMultiple Airlines
Sat 6/286:15 amIAD - ACK
1 stop4h 13mMultiple Airlines
Deal found 5/20$791

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 May 21, 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

Fri 7/4

4:10 pm-9:02 pm

1 stop4h 52m

Washington, D.C. Dulles Intl

Sun 7/6

6:15 am-10:28 am

1 stop4h 13m

$301

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Thu 6/26

3:20 pm-7:50 pm

1 stop4h 30m

Washington, D.C. Dulles Intl

Wed 7/2

6:00 am-4:05 pm

2 stops10h 05m

$673

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Sun 6/15

8:19 pm-2:09 pm

2 stops17h 50m

Washington, D.C. Dulles Intl

Sat 6/28

6:15 am-10:28 am

1 stop4h 13m

$791

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Fri 6/27

3:20 pm-7:50 pm

1 stop4h 30m

$138

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Sat 7/12

4:05 pm-10:27 pm

1 stop6h 22m

$237

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Thu 6/5

7:00 am-8:25 pm

2 stops13h 25m

$361

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/20

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 $309). Flying from Nantucket to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $363). 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.

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 21, 2025.
Delta
8.0
Very good
7,951 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,951 reviews
Delta
8.0
Very good
7,951 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,745 reviews
Delta
8.0
Very good
7,951 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $309). Flying from Nantucket to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $363). 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?

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Arlington
Alexandria
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Fredericksburg
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Gaithersburg
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Falls Church
Rockville
Laurel
Easton
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Bowie
National Harbor
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