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Cheap flights from Washington, D.C. Dulles Intl Airport to Boston from $103

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Boston departing on 9/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Boston (IAD-ACK)

Cheap round-trip flights

Delta Logo
6:00 am - 2:46 pmIAD-ACK
8h 46m2 stops
Delta Logo
3:26 pm - 7:43 pmACK-IAD
4h 17m1 stop
$278Delta
Find Deal
Tue, Sep 2 - Thu, Sep 4
United Airlines Logo
6:20 am - 9:55 amIAD-ACK
3h 35m1 stop
United Airlines Logo
4:16 pm - 8:41 pmACK-IAD
4h 25m1 stop
$308United Airlines
Find Deal
Sun, Aug 31 - Thu, Sep 4
Delta Logo
8:23 pm - 2:46 pmIAD-ACK
18h 23m1 stop
Delta Logo
3:26 pm - 7:43 pmACK-IAD
4h 17m1 stop
$310Delta
Find Deal
Tue, Sep 2 - Fri, Sep 5
United Airlines Logo
6:20 am - 9:55 amIAD-ACK
3h 35m1 stop
United Airlines Logo
4:16 pm - 8:41 pmACK-IAD
4h 25m1 stop
$312United Airlines
Find Deal
Tue, Sep 2 - Thu, Sep 4
United Airlines Logo
6:20 am - 9:55 amIAD-ACK
3h 35m1 stop
United Airlines Logo
4:16 pm - 8:41 pmACK-IAD
4h 25m1 stop
$322United Airlines
Find Deal
Mon, Sep 1 - Thu, Sep 4
Delta Logo
8:23 pm - 2:46 pmIAD-ACK
18h 23m1 stop
Delta Logo
3:26 pm - 7:43 pmACK-IAD
4h 17m1 stop
$325Delta
Find Deal
Tue, Sep 2 - Thu, Sep 4
United Airlines Logo
6:20 am - 9:55 amIAD-ACK
3h 35m1 stop
United Airlines Logo
4:16 pm - 8:41 pmACK-IAD
4h 25m1 stop
$327United Airlines
Find Deal
Mon, Sep 1 - Thu, Sep 4
Delta Logo
8:23 pm - 2:46 pmIAD-ACK
18h 23m1 stop
Delta Logo
3:26 pm - 7:43 pmACK-IAD
4h 17m1 stop
$335Delta
Find Deal
Tue, Sep 2 - Fri, Sep 5
United Airlines Logo
6:20 am - 9:55 amIAD-ACK
3h 35m1 stop
United Airlines Logo
4:16 pm - 10:39 pmACK-IAD
6h 23m1 stop
$338United Airlines
Find Deal
Sun, Aug 31 - Thu, Sep 4
Logo
8:35 am - 3:11 pmIAD-ACK
6h 36m1 stop
Logo
6:50 am - 11:14 amACK-IAD
4h 24m1 stop
$776
Find Deal
Sat, Sep 20 - Thu, Sep 25

Delta flights from Washington, D.C. Dulles Intl Airport to Nantucket

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Nantucket flight tickets
Delta
Sep 2
IAD6:00 amWashington, D.C. Dulles Intl
8h 46m
2 stops
ACK2:46 pmNantucket Memorial
Sep 4
ACK3:26 pmNantucket Memorial
4h 17m
1 stop
IAD7:43 pmWashington, D.C. Dulles Intl
$278
Find similar
Delta
Aug 25
IAD6:00 amWashington, D.C. Dulles Intl
10h 09m
2 stops
ACK4:09 pmNantucket Memorial
Aug 27
ACK3:26 pmNantucket Memorial
4h 17m
1 stop
IAD7:43 pmWashington, D.C. Dulles Intl
$307
Find similar
Delta
Sep 2
IAD8:23 pmWashington, D.C. Dulles Intl
18h 23m
1 stop
ACK2:46 pmNantucket Memorial
Sep 5
ACK3:26 pmNantucket Memorial
4h 17m
1 stop
IAD7:43 pmWashington, D.C. Dulles Intl
$310
Find similar

United Airlines flights from Washington, D.C. Dulles Intl Airport to Nantucket

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Nantucket flight tickets
United Airlines
Aug 31
IAD6:20 amWashington, D.C. Dulles Intl
3h 35m
1 stop
ACK9:55 amNantucket Memorial
Sep 4
ACK4:16 pmNantucket Memorial
4h 25m
1 stop
IAD8:41 pmWashington, D.C. Dulles Intl
$308
Find similar
United Airlines
Sep 2
IAD6:20 amWashington, D.C. Dulles Intl
3h 35m
1 stop
ACK9:55 amNantucket Memorial
Sep 4
ACK4:16 pmNantucket Memorial
4h 25m
1 stop
IAD8:41 pmWashington, D.C. Dulles Intl
$312
Find similar
United Airlines
Sep 1
IAD6:20 amWashington, D.C. Dulles Intl
3h 35m
1 stop
ACK9:55 amNantucket Memorial
Sep 4
ACK4:16 pmNantucket Memorial
4h 25m
1 stop
IAD8:41 pmWashington, D.C. Dulles Intl
$322
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated August 21, 2025.
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

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Tue 9/2

6:00 am-2:46 pm

2 stops8h 46m

Nantucket Memorial

Thu 9/4

3:26 pm-7:43 pm

1 stop4h 17m

$278

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Sun 8/31

6:20 am-9:55 am

1 stop3h 35m

Nantucket Memorial

Thu 9/4

4:16 pm-8:41 pm

1 stop4h 25m

$308

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Tue 9/2

8:23 pm-2:46 pm

1 stop18h 23m

Nantucket Memorial

Fri 9/5

3:26 pm-7:43 pm

1 stop4h 17m

$310

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Tue 9/2

6:20 am-9:55 am

1 stop3h 35m

Nantucket Memorial

Thu 9/4

4:16 pm-8:41 pm

1 stop4h 25m

$312

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Mon 9/1

6:20 am-9:55 am

1 stop3h 35m

Nantucket Memorial

Thu 9/4

4:16 pm-8:41 pm

1 stop4h 25m

$322

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Tue 9/2

8:23 pm-2:46 pm

1 stop18h 23m

Nantucket Memorial

Thu 9/4

3:26 pm-7:43 pm

1 stop4h 17m

$325

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Mon 9/1

6:20 am-9:55 am

1 stop3h 35m

Nantucket Memorial

Thu 9/4

4:16 pm-8:41 pm

1 stop4h 25m

$327

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Tue 9/2

8:23 pm-2:46 pm

1 stop18h 23m

Nantucket Memorial

Fri 9/5

3:26 pm-7:43 pm

1 stop4h 17m

$335

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Sun 8/31

6:20 am-9:55 am

1 stop3h 35m

Nantucket Memorial

Thu 9/4

4:16 pm-10:39 pm

1 stop6h 23m

$338

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Sat 9/20

8:35 am-3:11 pm

1 stop6h 36m

Nantucket Memorial

Thu 9/25

6:50 am-11:14 am

1 stop4h 24m

$776

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Nantucket

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Nantucket?

The cheapest day to depart on your flight to Nantucket is on a Wednesday when prices can be found for as low as $207. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from Washington, D.C. Dulles Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $443.

What is the cheapest time of day to depart on your flight to Nantucket?

At noon is the cheapest time of day to fly from Washington, D.C. Dulles Intl Airport to Nantucket when you can find flight prices for as low as $223. Flying to Nantucket at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $308 on average. Flights to Nantucket from Washington, D.C. Dulles Intl Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Washington, D.C. Dulles Intl Airport to Nantucket

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Nantucket according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Nantucket (IAD to ACK) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Nantucket

Direct flights

None
There are no direct flights from Washington, D.C. Dulles Intl Airport to Nantucket. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Nantucket.
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Nantucket Memorial by plane?

    A flight from Washington, D.C. Dulles Intl to Nantucket Memorial will travel around 420.0 mi. By plane, this route typically takes 3h 30m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Nantucket Memorial Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Nantucket Memorial Airport refresh daily.

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Nantucket Memorial Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Nantucket Memorial Airport.

  • What documentation or ID do you need to fly to Nantucket Memorial Airport?

    The necessary travel and health documents for your Nantucket Memorial Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Nantucket?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Nantucket from Washington, D.C..

Can I find flights from Washington, D.C. to Nantucket with flexible booking policies on momondo?

Flights from Washington, D.C. to Nantucket with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Nantucket?

momondo helps you find the best flight between Washington, D.C. and Nantucket by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to Nantucket right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Nantucket from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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