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Cheap flights from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands from $120

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 Cape Cod and the Islands departing on 7/28. 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 Cape Cod and the Islands

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:00 am - 2:59 pm
IAD
-
MVY
8h 59m
2 stops
Delta Logo
1:18 pm - 5:51 pm
MVY
-
IAD
4h 33m
1 stop
$288Delta
Mon, Jul 13 - Wed, Jul 15
American Airlines Logo
6:33 am - 12:58 pm
IAD
-
MVY
6h 25m
2 stops
American Airlines Logo
1:40 pm - 10:55 pm
MVY
-
IAD
9h 15m
2 stops
$293American Airlines
Sun, Aug 16 - Wed, Aug 19
American Airlines Logo
6:33 am - 2:01 pm
IAD
-
ACK
7h 28m
2 stops
American Airlines Logo
1:50 pm - 7:40 pm
ACK
-
IAD
5h 50m
1 stop
$295American Airlines
Wed, Jul 8 - Fri, Jul 31
Delta Logo
6:00 am - 2:59 pm
IAD
-
MVY
8h 59m
2 stops
Delta Logo
1:18 pm - 5:51 pm
MVY
-
IAD
4h 33m
1 stop
$302Delta
Mon, Jul 13 - Wed, Jul 15
American Airlines Logo
6:33 am - 2:01 pm
IAD
-
ACK
7h 28m
2 stops
American Airlines Logo
2:32 pm - 12:10 am
ACK
-
IAD
9h 38m
2 stops
$307American Airlines
Tue, Jul 14 - Fri, Jul 17
Delta Logo
6:00 am - 2:59 pm
IAD
-
MVY
8h 59m
2 stops
Delta Logo
1:18 pm - 5:51 pm
MVY
-
IAD
4h 33m
1 stop
$325Delta
Mon, Jul 13 - Wed, Jul 15
American Airlines Logo
6:20 am - 2:13 pm
IAD
-
ACK
7h 53m
2 stops
American Airlines Logo
2:43 pm - 11:59 pm
ACK
-
IAD
9h 16m
2 stops
$326American Airlines
Tue, Jun 23 - Tue, Jun 30
American Airlines Logo
6:33 am - 2:01 pm
IAD
-
ACK
7h 28m
2 stops
American Airlines Logo
1:50 pm - 7:40 pm
ACK
-
IAD
5h 50m
1 stop
$328American Airlines
Wed, Jul 8 - Fri, Jul 31
Delta Logo
6:00 am - 2:59 pm
IAD
-
MVY
8h 59m
2 stops
Delta Logo
1:18 pm - 5:51 pm
MVY
-
IAD
4h 33m
1 stop
$338Delta
Mon, Jul 13 - Wed, Jul 15
United Airlines Logo
6:33 am - 10:15 am
IAD
-
ACK
3h 42m
1 stop
United Airlines Logo
10:13 am - 4:32 pm
ACK
-
IAD
6h 19m
1 stop
$363United Airlines
Sun, May 31 - Wed, Jun 3

United Airlines flights from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands flight tickets
United Airlines
Jun 7
IAD6:33 amWashington, D.C. Dulles Intl
3h 42m
1 stop
ACK10:15 amNantucket Memorial
Jun 9
ACK10:13 amNantucket Memorial
6h 19m
1 stop
IAD4:32 pmWashington, D.C. Dulles Intl
$468
United Airlines
Jul 7
IAD6:33 amWashington, D.C. Dulles Intl
3h 42m
1 stop
ACK10:15 amNantucket Memorial
Jul 10
ACK3:44 pmNantucket Memorial
5h 16m
1 stop
IAD9:00 pmWashington, D.C. Dulles Intl
$482
United Airlines
Jul 14
IAD6:33 amWashington, D.C. Dulles Intl
3h 42m
1 stop
ACK10:15 amNantucket Memorial
Jul 17
ACK3:44 pmNantucket Memorial
7h 35m
1 stop
IAD11:19 pmWashington, D.C. Dulles Intl
$484

American Airlines flights from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands flight tickets
American Airlines
Aug 16
IAD6:33 amWashington, D.C. Dulles Intl
6h 25m
2 stops
MVY12:58 pmWest Tisbury Martha's Vineyard
Aug 19
MVY1:40 pmWest Tisbury Martha's Vineyard
9h 15m
2 stops
IAD10:55 pmWashington, D.C. Dulles Intl
$293
American Airlines
Jul 8
IAD6:33 amWashington, D.C. Dulles Intl
7h 28m
2 stops
ACK2:01 pmNantucket Memorial
Jul 31
ACK1:50 pmNantucket Memorial
5h 50m
1 stop
IAD7:40 pmWashington, D.C. Dulles Intl
$295
American Airlines
Jul 14
IAD6:33 amWashington, D.C. Dulles Intl
7h 28m
2 stops
ACK2:01 pmNantucket Memorial
Jul 17
ACK2:32 pmNantucket Memorial
9h 38m
2 stops
IAD12:10 amWashington, D.C. Dulles Intl
$307

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands 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 9, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.West Tisbury

IAD - MVY

IADMVY

Washington, D.C. Dulles Intl

Mon 7/13

6:00 am-2:59 pm

2 stops8h 59m

West Tisbury Martha's Vineyard

Wed 7/15

1:18 pm-5:51 pm

1 stop4h 33m

$288

Washington, D.C.West Tisbury

IAD - MVY

IADMVY

Washington, D.C. Dulles Intl

Sun 8/16

6:33 am-12:58 pm

2 stops6h 25m

West Tisbury Martha's Vineyard

Wed 8/19

1:40 pm-10:55 pm

2 stops9h 15m

$293

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Wed 7/8

6:33 am-2:01 pm

2 stops7h 28m

Nantucket Memorial

Fri 7/31

1:50 pm-7:40 pm

1 stop5h 50m

$295

Washington, D.C.West Tisbury

IAD - MVY

IADMVY

Washington, D.C. Dulles Intl

Mon 7/13

6:00 am-2:59 pm

2 stops8h 59m

West Tisbury Martha's Vineyard

Wed 7/15

1:18 pm-5:51 pm

1 stop4h 33m

$302

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Tue 7/14

6:33 am-2:01 pm

2 stops7h 28m

Nantucket Memorial

Fri 7/17

2:32 pm-12:10 am

2 stops9h 38m

$307

Washington, D.C.West Tisbury

IAD - MVY

IADMVY

Washington, D.C. Dulles Intl

Mon 7/13

6:00 am-2:59 pm

2 stops8h 59m

West Tisbury Martha's Vineyard

Wed 7/15

1:18 pm-5:51 pm

1 stop4h 33m

$325

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Tue 6/23

6:20 am-2:13 pm

2 stops7h 53m

Nantucket Memorial

Tue 6/30

2:43 pm-11:59 pm

2 stops9h 16m

$326

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Wed 7/8

6:33 am-2:01 pm

2 stops7h 28m

Nantucket Memorial

Fri 7/31

1:50 pm-7:40 pm

1 stop5h 50m

$328

Washington, D.C.West Tisbury

IAD - MVY

IADMVY

Washington, D.C. Dulles Intl

Mon 7/13

6:00 am-2:59 pm

2 stops8h 59m

West Tisbury Martha's Vineyard

Wed 7/15

1:18 pm-5:51 pm

1 stop4h 33m

$338
Quickest round-trip

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Sun 5/31

6:33 am-10:15 am

1 stop3h 42m

Nantucket Memorial

Wed 6/3

10:13 am-4:32 pm

1 stop6h 19m

$363

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 Cape Cod and the Islands from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands

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 Cape Cod and the Islands?

Our data shows that Wednesday is the least expensive day to fly to Cape Cod and the Islands. Tickets to fly out on this day can be as low as $287. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $349. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cape Cod and the Islands.

What is the cheapest time of day to depart on your flight to Cape Cod and the Islands?

The cheapest time of day to fly to Cape Cod and the Islands is in the evening when flights can be purchased for as low as $256. Flights to Cape Cod and the Islands are more costly at noon, with an average ticket price of $355. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands?

You are more likely to see cheaper flights to Cape Cod and the Islands from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Cape Cod and the Islands for around $291 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cape Cod and the Islands from Washington, D.C. Dulles Intl Airport for as low as $199 on momondo.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands.

Cheap Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands flight deals and tips

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

Fastest flight time

3h 42m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands takes 3h 42m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands are refreshed on a daily basis.

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands.

  • What documentation or ID do you need to fly to Cape Cod and the Islands?

    The travel and health documents required for your trip to Cape Cod and the Islands 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 Cape Cod and the Islands. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands?

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Cape Cod and the Islands?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Cape Cod and the Islands. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Cape Cod and the Islands with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Cape Cod and the Islands on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Cape Cod and the Islands?

momondo helps you find the best flight between Washington, D.C. and Cape Cod and the Islands 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 Cape Cod and the Islands right now. Can momondo alert me if prices change?

Price alerts on flights to Cape Cod and the Islands from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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