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Cheap flights from Washington, D.C. Dulles Intl Airport to Boston from $233

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 6/10. 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

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:05 pm - 2:29 pm
IAD
-
ACK
16h 24m
2 stops
United Airlines Logo
4:15 pm - 11:00 pm
ACK
-
IAD
6h 45m
1 stop
$561United Airlines
Fri, Jun 12 - Tue, Jun 16
American Airlines Logo
6:40 am - 12:19 pm
IAD
-
ACK
5h 39m
1 stop
American Airlines Logo
12:50 pm - 5:14 pm
ACK
-
IAD
4h 24m
1 stop
$618American Airlines
Sat, Jun 20 - Sat, Jun 27
United Airlines Logo
6:00 am - 9:56 am
IAD
-
ACK
3h 56m
1 stop
United Airlines Logo
4:15 pm - 11:00 pm
ACK
-
IAD
6h 45m
1 stop
$667United Airlines
Fri, Jun 12 - Tue, Jun 16
United Airlines Logo
10:05 pm - 2:29 pm
IAD
-
ACK
16h 24m
2 stops
United Airlines Logo
10:35 am - 6:43 am
ACK
-
IAD
20h 08m
2 stops
$765United Airlines
Fri, Jun 12 - Tue, Jun 16
United Airlines Logo
6:00 am - 9:56 am
IAD
-
ACK
3h 56m
1 stop
United Airlines Logo
4:15 pm - 11:00 pm
ACK
-
IAD
6h 45m
1 stop
$777United Airlines
Fri, Jun 19 - Sun, Jun 21
American Airlines Logo
6:40 am - 1:49 pm
IAD
-
ACK
7h 09m
2 stops
American Airlines Logo
2:19 pm - 9:58 pm
ACK
-
IAD
7h 39m
2 stops
$889American Airlines
Fri, Jun 12 - Tue, Jun 16
American Airlines Logo
5:45 pm - 1:49 pm
IAD
-
ACK
20h 04m
3 stops
American Airlines Logo
2:19 pm - 9:58 pm
ACK
-
IAD
7h 39m
2 stops
$912American Airlines
Fri, Jun 12 - Tue, Jun 16
Delta Logo
10:40 am - 6:05 pm
IAD
-
ACK
7h 25m
2 stops
Delta Logo
2:10 pm - 7:16 pm
ACK
-
IAD
5h 06m
1 stop
$984Delta
Fri, Jun 12 - Tue, Jun 16
American Airlines Logo
5:45 pm - 1:49 pm
IAD
-
ACK
20h 04m
3 stops
American Airlines Logo
2:19 pm - 8:46 am
ACK
-
IAD
18h 27m
3 stops
$988American Airlines
Fri, Jun 12 - Tue, Jun 16
American Airlines Logo
1:06 pm - 9:54 am
IAD
-
ACK
20h 48m
2 stops
American Airlines Logo
10:24 am - 9:58 pm
ACK
-
IAD
11h 34m
3 stops
$1,014American Airlines
Fri, Jun 26 - Sun, Jun 28

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

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Nantucket flight tickets
American Airlines
Jun 20
IAD6:40 amWashington, D.C. Dulles Intl
5h 39m
1 stop
ACK12:19 pmNantucket Memorial
Jun 27
ACK12:50 pmNantucket Memorial
4h 24m
1 stop
IAD5:14 pmWashington, D.C. Dulles Intl
$618
American Airlines
Jul 17
IAD5:45 pmWashington, D.C. Dulles Intl
16h 09m
2 stops
ACK9:54 amNantucket Memorial
Jul 31
ACK2:19 pmNantucket Memorial
9h 39m
2 stops
IAD11:58 pmWashington, D.C. Dulles Intl
$681
American Airlines
Jul 17
IAD6:40 amWashington, D.C. Dulles Intl
29h 39m
1 stop
ACK12:19 pmNantucket Memorial
Jul 31
ACK2:19 pmNantucket Memorial
9h 39m
2 stops
IAD11:58 pmWashington, D.C. Dulles Intl
$793

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
Jun 12
IAD10:05 pmWashington, D.C. Dulles Intl
16h 24m
2 stops
ACK2:29 pmNantucket Memorial
Jun 16
ACK4:15 pmNantucket Memorial
6h 45m
1 stop
IAD11:00 pmWashington, D.C. Dulles Intl
$561
United Airlines
Jul 17
IAD6:00 amWashington, D.C. Dulles Intl
3h 56m
1 stop
ACK9:56 amNantucket Memorial
Jul 31
ACK4:15 pmNantucket Memorial
6h 45m
1 stop
IAD11:00 pmWashington, D.C. Dulles Intl
$617
United Airlines
Jun 12
IAD6:00 amWashington, D.C. Dulles Intl
3h 56m
1 stop
ACK9:56 amNantucket Memorial
Jun 16
ACK4:15 pmNantucket Memorial
6h 45m
1 stop
IAD11:00 pmWashington, D.C. Dulles Intl
$667

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 January 27, 2026.
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

Fri 6/12

10:05 pm-2:29 pm

2 stops16h 24m

Nantucket Memorial

Tue 6/16

4:15 pm-11:00 pm

1 stop6h 45m

$561

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Sat 6/20

6:40 am-12:19 pm

1 stop5h 39m

Nantucket Memorial

Sat 6/27

12:50 pm-5:14 pm

1 stop4h 24m

$618

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Fri 6/12

6:00 am-9:56 am

1 stop3h 56m

Nantucket Memorial

Tue 6/16

4:15 pm-11:00 pm

1 stop6h 45m

$667

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Fri 6/12

10:05 pm-2:29 pm

2 stops16h 24m

Nantucket Memorial

Tue 6/16

10:35 am-6:43 am

2 stops20h 08m

$765

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Fri 6/19

6:00 am-9:56 am

1 stop3h 56m

Nantucket Memorial

Sun 6/21

4:15 pm-11:00 pm

1 stop6h 45m

$777

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Fri 6/12

6:40 am-1:49 pm

2 stops7h 09m

Nantucket Memorial

Tue 6/16

2:19 pm-9:58 pm

2 stops7h 39m

$889

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Fri 6/12

5:45 pm-1:49 pm

3 stops20h 04m

Nantucket Memorial

Tue 6/16

2:19 pm-9:58 pm

2 stops7h 39m

$912

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Fri 6/12

10:40 am-6:05 pm

2 stops7h 25m

Nantucket Memorial

Tue 6/16

2:10 pm-7:16 pm

1 stop5h 06m

$984

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Fri 6/12

5:45 pm-1:49 pm

3 stops20h 04m

Nantucket Memorial

Tue 6/16

2:19 pm-8:46 am

3 stops18h 27m

$988

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Fri 6/26

1:06 pm-9:54 am

2 stops20h 48m

Nantucket Memorial

Sun 6/28

10:24 am-9:58 pm

3 stops11h 34m

$1,014

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Boston from

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 $208. 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 $407.

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

In the afternoon 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 $254. Flying to Nantucket in the afternoon 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 $302 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

Fastest flight time

3h 56m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Nantucket takes 3h 56m
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 56m.

  • 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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