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Cheap flights from Nantucket to Washington, D.C. from $174

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 8/12. 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 Nantucket to Washington, D.C.

Cheap round-trip flights

Delta Logo
3:26 pm - 7:43 pmACK-IAD
4h 17m1 stop
Delta Logo
6:00 am - 4:09 pmIAD-ACK
10h 09m2 stops
$237Delta
Find Deal
Fri, Aug 22 - Tue, Aug 26
Delta Logo
3:26 pm - 7:43 pmACK-IAD
4h 17m1 stop
Delta Logo
8:23 pm - 2:46 pmIAD-ACK
18h 23m1 stop
$240Delta
Find Deal
Fri, Aug 22 - Tue, Aug 26
Delta Logo
3:26 pm - 7:43 pmACK-IAD
4h 17m1 stop
Delta Logo
6:00 am - 4:09 pmIAD-ACK
10h 09m2 stops
$288Delta
Find Deal
Fri, Aug 22 - Tue, Aug 26
Delta Logo
3:26 pm - 11:32 amACK-IAD
20h 06m2 stops
Delta Logo
6:00 am - 4:09 pmIAD-ACK
10h 09m2 stops
$301Delta
Find Deal
Fri, Aug 22 - Tue, Aug 26
Delta Logo
3:26 pm - 7:43 pmACK-IAD
4h 17m1 stop
Delta Logo
8:23 pm - 2:46 pmIAD-ACK
18h 23m1 stop
$306Delta
Find Deal
Fri, Aug 22 - Tue, Aug 26
United Airlines Logo
6:46 pm - 10:44 pmACK-IAD
3h 58m1 stop
United Airlines Logo
8:40 am - 3:20 pmIAD-ACK
6h 40m1 stop
$438United Airlines
Find Deal
Sat, Aug 23 - Sun, Aug 24
United Airlines Logo
4:46 pm - 9:20 pmACK-IAD
4h 34m1 stop
United Airlines Logo
10:18 pm - 11:18 amIAD-ACK
13h 00m2 stops
$456United Airlines
Find Deal
Tue, Aug 12 - Wed, Aug 13
United Airlines Logo
6:46 pm - 10:59 pmACK-IAD
4h 13m1 stop
United Airlines Logo
8:40 am - 3:20 pmIAD-ACK
6h 40m1 stop
$468United Airlines
Find Deal
Fri, Aug 22 - Sun, Aug 24
American Airlines Logo
11:01 am - 7:49 pmACK-IAD
8h 48m2 stops
American Airlines Logo
7:25 pm - 1:11 pmIAD-ACK
17h 46m3 stops
$1,017American Airlines
Find Deal
Sat, Aug 16 - Wed, Aug 20
American Airlines Logo
11:01 am - 7:49 pmACK-IAD
8h 48m2 stops
American Airlines Logo
7:44 am - 3:55 pmIAD-ACK
8h 11m2 stops
$1,063American Airlines
Find Deal
Sat, Aug 16 - Wed, Aug 20

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

Our best Delta deals on Nantucket to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Aug 22
ACK3:26 pmNantucket Memorial
4h 17m
1 stop
IAD7:43 pmWashington, D.C. Dulles Intl
Aug 26
IAD6:00 amWashington, D.C. Dulles Intl
10h 09m
2 stops
ACK4:09 pmNantucket Memorial
$237
Find similar
Delta
Aug 22
ACK3:26 pmNantucket Memorial
4h 17m
1 stop
IAD7:43 pmWashington, D.C. Dulles Intl
Aug 26
IAD8:23 pmWashington, D.C. Dulles Intl
18h 23m
1 stop
ACK2:46 pmNantucket Memorial
$240
Find similar
Delta
Aug 22
ACK3:26 pmNantucket Memorial
4h 17m
1 stop
IAD7:43 pmWashington, D.C. Dulles Intl
Aug 26
IAD6:00 amWashington, D.C. Dulles Intl
10h 09m
2 stops
ACK4:09 pmNantucket Memorial
$288
Find similar

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
Aug 23
ACK6:46 pmNantucket Memorial
3h 58m
1 stop
IAD10:44 pmWashington, D.C. Dulles Intl
Aug 24
IAD8:40 amWashington, D.C. Dulles Intl
6h 40m
1 stop
ACK3:20 pmNantucket Memorial
$438
Find similar
United Airlines
Aug 12
ACK4:46 pmNantucket Memorial
4h 34m
1 stop
IAD9:20 pmWashington, D.C. Dulles Intl
Aug 13
IAD10:18 pmWashington, D.C. Dulles Intl
13h 00m
2 stops
ACK11:18 amNantucket Memorial
$456
Find similar
United Airlines
Aug 22
ACK6:46 pmNantucket Memorial
4h 13m
1 stop
IAD10:59 pmWashington, D.C. Dulles Intl
Aug 24
IAD8:40 amWashington, D.C. Dulles Intl
6h 40m
1 stop
ACK3:20 pmNantucket Memorial
$468
Find similar

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 August 2, 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

Fly to

Route

Depart

Return

Price

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Fri 8/22

3:26 pm-7:43 pm

1 stop4h 17m

Washington, D.C. Dulles Intl

Tue 8/26

6:00 am-4:09 pm

2 stops10h 09m

$237

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Fri 8/22

3:26 pm-7:43 pm

1 stop4h 17m

Washington, D.C. Dulles Intl

Tue 8/26

8:23 pm-2:46 pm

1 stop18h 23m

$240

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Fri 8/22

3:26 pm-7:43 pm

1 stop4h 17m

Washington, D.C. Dulles Intl

Tue 8/26

6:00 am-4:09 pm

2 stops10h 09m

$288

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Fri 8/22

3:26 pm-11:32 am

2 stops20h 06m

Washington, D.C. Dulles Intl

Tue 8/26

6:00 am-4:09 pm

2 stops10h 09m

$301

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Fri 8/22

3:26 pm-7:43 pm

1 stop4h 17m

Washington, D.C. Dulles Intl

Tue 8/26

8:23 pm-2:46 pm

1 stop18h 23m

$306

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Sat 8/23

6:46 pm-10:44 pm

1 stop3h 58m

Washington, D.C. Dulles Intl

Sun 8/24

8:40 am-3:20 pm

1 stop6h 40m

$438

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Tue 8/12

4:46 pm-9:20 pm

1 stop4h 34m

Washington, D.C. Dulles Intl

Wed 8/13

10:18 pm-11:18 am

2 stops13h 00m

$456

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Fri 8/22

6:46 pm-10:59 pm

1 stop4h 13m

Washington, D.C. Dulles Intl

Sun 8/24

8:40 am-3:20 pm

1 stop6h 40m

$468

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Sat 8/16

11:01 am-7:49 pm

2 stops8h 48m

Washington, D.C. Dulles Intl

Wed 8/20

7:25 pm-1:11 pm

3 stops17h 46m

$1,017

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Sat 8/16

11:01 am-7:49 pm

2 stops8h 48m

Washington, D.C. Dulles Intl

Wed 8/20

7:44 am-3:55 pm

2 stops8h 11m

$1,063

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 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 $441. When flying out on a Tuesday, 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 $760.

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 evening is the least expensive time of day to depart. momondo users have found prices as low as $540 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $681 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

Best Price Found

$174

Fastest flight time

3h 58m

Direct flights

None
The best one-way flight to Washington, D.C. Dulles Intl Airport from Nantucket in the past 72 hours is $174. The best round-trip flight deal from Nantucket to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $237.
The fastest flight from Nantucket to Washington, D.C. Dulles Intl Airport takes 3h 58m
There are no direct flights from Nantucket to Washington, D.C. Dulles Intl Airport. Popular non-direct route for this connection is Nantucket Memorial Airport - Washington, D.C. Dulles Intl Airport.
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  • 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 3h 58m 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
Gettysburg
Arlington
National Harbor
Winchester
Woodbridge
Laurel
Tysons
Silver Spring
Waldorf
Fredericksburg
Manassas
Harpers Ferry
Towson
Rockville
Colonial Beach
Gaithersburg
Fairfax
Reston
Glen Burnie

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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