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Cheap flights from Nantucket to Washington, D.C. from $171

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 6/26. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:15 pm - 11:00 pm
ACK
-
IAD
6h 45m
1 stop
United Airlines Logo
6:00 am - 9:56 am
IAD
-
ACK
3h 56m
1 stop
$566United Airlines
Tue, Jul 14 - Wed, Jul 15
United Airlines Logo
4:15 pm - 11:00 pm
ACK
-
IAD
6h 45m
1 stop
United Airlines Logo
8:25 am - 3:28 pm
IAD
-
ACK
7h 03m
2 stops
$780United Airlines
Tue, Jul 14 - Wed, Jul 15

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 14
ACK4:15 pmNantucket Memorial
6h 45m
1 stop
IAD11:00 pmWashington, D.C. Dulles Intl
Jul 15
IAD6:00 amWashington, D.C. Dulles Intl
3h 56m
1 stop
ACK9:56 amNantucket Memorial
$566
United Airlines
Jul 14
ACK4:15 pmNantucket Memorial
6h 45m
1 stop
IAD11:00 pmWashington, D.C. Dulles Intl
Jul 15
IAD8:25 amWashington, D.C. Dulles Intl
7h 03m
2 stops
ACK3:28 pmNantucket Memorial
$780

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 January 20, 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

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Tue 7/14

4:15 pm-11:00 pm

1 stop6h 45m

Washington, D.C. Dulles Intl

Wed 7/15

6:00 am-9:56 am

1 stop3h 56m

$566

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Tue 7/14

4:15 pm-11:00 pm

1 stop6h 45m

Washington, D.C. Dulles Intl

Wed 7/15

8:25 am-3:28 pm

2 stops7h 03m

$780

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Fri 6/26

4:15 pm-11:00 pm

1 stop6h 45m

$171

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Sat 6/20

2:10 pm-7:16 pm

1 stop5h 06m

$334

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Sat 6/20

4:15 pm-7:24 am

2 stops15h 09m

$408

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Fri 6/26

4:15 pm-11:47 am

2 stops19h 32m

$457

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Sun 6/21

4:15 pm-11:26 am

2 stops19h 11m

$547

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Sun 6/21

2:10 pm-7:16 pm

1 stop5h 06m

$594

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Sat 6/20

6:40 pm-9:06 pm

3 stops26h 26m

$1,176

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 $434. 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 $762.

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 $656 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 45m

Direct flights

None
The fastest flight from Nantucket to Washington, D.C. Dulles Intl Airport takes 6h 45m
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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  • 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 45m 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
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Rockville
Gaithersburg
Manassas
Harpers Ferry
Sterling
Springfield
Fairfax

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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