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Cheap flights from Nantucket to Washington, D.C. from $183

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Nantucket to Washington, D.C. departing on 5/24. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
1:50 pm - 7:40 pm
ACK
-
IAD
5h 50m
1 stop
American Airlines Logo
8:22 pm - 10:49 am
IAD
-
ACK
14h 27m
2 stops
$374American Airlines
Fri, Jul 24 - Mon, Jul 27
American Airlines Logo
2:32 pm - 12:10 am
ACK
-
IAD
9h 38m
2 stops
American Airlines Logo
8:22 pm - 10:49 am
IAD
-
ACK
14h 27m
2 stops
$379American Airlines
Fri, Jul 24 - Mon, Jul 27
United Airlines Logo
3:44 pm - 11:19 pm
ACK
-
IAD
7h 35m
1 stop
United Airlines Logo
6:33 am - 10:15 am
IAD
-
ACK
3h 42m
1 stop
$445United Airlines
Thu, Jul 2 - Mon, Jul 6
American Airlines Logo
1:58 pm - 7:33 pm
ACK
-
IAD
5h 35m
1 stop
American Airlines Logo
6:20 am - 2:13 pm
IAD
-
ACK
7h 53m
2 stops
$455American Airlines
Fri, Jun 26 - Mon, Jun 29
American Airlines Logo
2:43 pm - 12:13 am
ACK
-
IAD
9h 30m
2 stops
American Airlines Logo
6:20 am - 2:13 pm
IAD
-
ACK
7h 53m
2 stops
$461American Airlines
Fri, Jun 26 - Mon, Jun 29
United Airlines Logo
3:44 pm - 9:00 pm
ACK
-
IAD
5h 16m
1 stop
United Airlines Logo
6:33 am - 2:26 pm
IAD
-
ACK
7h 53m
1 stop
$479United Airlines
Fri, Jun 12 - Sun, Jun 14
American Airlines Logo
2:43 pm - 12:13 am
ACK
-
IAD
9h 30m
2 stops
American Airlines Logo
6:20 am - 2:27 pm
IAD
-
ACK
8h 07m
2 stops
$501American Airlines
Fri, Jun 12 - Sun, Jun 14
American Airlines Logo
2:32 pm - 12:13 am
ACK
-
IAD
9h 41m
2 stops
American Airlines Logo
8:22 pm - 2:13 pm
IAD
-
ACK
17h 51m
3 stops
$528American Airlines
Sat, Jun 13 - Mon, Jun 15
United Airlines Logo
3:44 pm - 11:19 pm
ACK
-
IAD
7h 35m
1 stop
United Airlines Logo
10:10 pm - 10:15 am
IAD
-
ACK
12h 05m
2 stops
$549United Airlines
Thu, Jul 2 - Mon, Jul 6
United Airlines Logo
8:34 am - 11:19 pm
ACK
-
IAD
14h 45m
1 stop
United Airlines Logo
6:33 am - 10:15 am
IAD
-
ACK
3h 42m
1 stop
$569United Airlines
Sat, May 30 - Sun, May 31

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

Our best American Airlines deals on Nantucket to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Jul 24
ACK1:50 pmNantucket Memorial
5h 50m
1 stop
IAD7:40 pmWashington, D.C. Dulles Intl
Jul 27
IAD8:22 pmWashington, D.C. Dulles Intl
14h 27m
2 stops
ACK10:49 amNantucket Memorial
$374
American Airlines
Jul 24
ACK2:32 pmNantucket Memorial
9h 38m
2 stops
IAD12:10 amWashington, D.C. Dulles Intl
Jul 27
IAD8:22 pmWashington, D.C. Dulles Intl
14h 27m
2 stops
ACK10:49 amNantucket Memorial
$379
American Airlines
Jun 26
ACK1:58 pmNantucket Memorial
5h 35m
1 stop
IAD7:33 pmWashington, D.C. Dulles Intl
Jun 29
IAD6:20 amWashington, D.C. Dulles Intl
7h 53m
2 stops
ACK2:13 pmNantucket Memorial
$455

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

Our best United Airlines deals on Nantucket to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Jul 2
ACK3:44 pmNantucket Memorial
7h 35m
1 stop
IAD11:19 pmWashington, D.C. Dulles Intl
Jul 6
IAD6:33 amWashington, D.C. Dulles Intl
3h 42m
1 stop
ACK10:15 amNantucket Memorial
$445
United Airlines
Jul 2
ACK3:44 pmNantucket Memorial
7h 35m
1 stop
IAD11:19 pmWashington, D.C. Dulles Intl
Jul 6
IAD10:10 pmWashington, D.C. Dulles Intl
12h 05m
2 stops
ACK10:15 amNantucket Memorial
$549
United Airlines
May 30
ACK8:34 amNantucket Memorial
14h 45m
1 stop
IAD11:19 pmWashington, D.C. Dulles Intl
May 31
IAD6:33 amWashington, D.C. Dulles Intl
3h 42m
1 stop
ACK10:15 amNantucket Memorial
$569

momondo Fare Finder

 
Customize your flight search to find flights from Nantucket to Washington, D.C. Dulles Intl Airport 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 May 19, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Fri 7/24

1:50 pm-7:40 pm

1 stop5h 50m

Washington, D.C. Dulles Intl

Mon 7/27

8:22 pm-10:49 am

2 stops14h 27m

$374

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Fri 7/24

2:32 pm-12:10 am

2 stops9h 38m

Washington, D.C. Dulles Intl

Mon 7/27

8:22 pm-10:49 am

2 stops14h 27m

$379
Quickest round-trip

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Thu 7/2

3:44 pm-11:19 pm

1 stop7h 35m

Washington, D.C. Dulles Intl

Mon 7/6

6:33 am-10:15 am

1 stop3h 42m

$445

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Fri 6/26

1:58 pm-7:33 pm

1 stop5h 35m

Washington, D.C. Dulles Intl

Mon 6/29

6:20 am-2:13 pm

2 stops7h 53m

$455

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Fri 6/26

2:43 pm-12:13 am

2 stops9h 30m

Washington, D.C. Dulles Intl

Mon 6/29

6:20 am-2:13 pm

2 stops7h 53m

$461

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Fri 6/12

3:44 pm-9:00 pm

1 stop5h 16m

Washington, D.C. Dulles Intl

Sun 6/14

6:33 am-2:26 pm

1 stop7h 53m

$479

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Fri 6/12

2:43 pm-12:13 am

2 stops9h 30m

Washington, D.C. Dulles Intl

Sun 6/14

6:20 am-2:27 pm

2 stops8h 07m

$501

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Sat 6/13

2:32 pm-12:13 am

2 stops9h 41m

Washington, D.C. Dulles Intl

Mon 6/15

8:22 pm-2:13 pm

3 stops17h 51m

$528

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Thu 7/2

3:44 pm-11:19 pm

1 stop7h 35m

Washington, D.C. Dulles Intl

Mon 7/6

10:10 pm-10:15 am

2 stops12h 05m

$549

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Sat 5/30

8:34 am-11:19 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Sun 5/31

6:33 am-10:15 am

1 stop3h 42m

$569

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Nantucket to Washington, D.C. Dulles Intl Airport

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 Washington, D.C. Dulles Intl Airport?

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $414. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Nantucket to Washington, D.C. Dulles Intl Airport for around $663.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Nantucket in the morning is the least expensive time of day to depart. momondo users have found prices as low as $473 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $632 on average. Flights to Washington, D.C. Dulles Intl Airport from Nantucket at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

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

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

Fastest flight time

6h 44m

Direct flights

None
The fastest flight from Nantucket to Washington, D.C. Dulles Intl Airport takes 6h 44m
There are no direct flights from Nantucket to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Nantucket to Washington, D.C. Dulles Intl Airport.
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Frequently asked questions about flying from Nantucket to Washington, D.C. Dulles Intl Airport

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

    The distance between Nantucket Memorial and Washington, D.C. Dulles Intl is about 420.0 mi. Typically, this will take 6h 44m by plane in normal conditions.

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

    Prices for flights from Nantucket Memorial Airport to Washington, D.C. Dulles Intl Airport were last updated today.

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

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Laurel
Gaithersburg
Colonial Beach
Fredericksburg
Silver Spring
Towson
Rockville
Manassas
Sterling
Linthicum Heights
Tysons
Bethesda
Springfield

Why use momondo?

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

Finding the right flight to Washington, D.C. from Nantucket is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

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

Flights from Nantucket to Washington, D.C. 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 Nantucket to Washington, D.C.?

Once all potential Nantucket to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Washington, D.C. from Nantucket. 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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