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Cheap flights from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands from $253

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 12/5. 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.
Multiple Airlines Logo
10:06 pm - 10:30 amIAD-HYA
12h 24m1 stop
Multiple Airlines Logo
7:58 am - 7:14 amHYA-IAD
23h 16m1 stop
$480Multiple Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 7
Multiple Airlines Logo
6:00 am - 6:39 pmIAD-HYA
12h 39m2 stops
Multiple Airlines Logo
7:58 am - 7:14 amHYA-IAD
23h 16m1 stop
$485Multiple Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 7
Multiple Airlines Logo
10:06 pm - 9:49 amIAD-MVY
11h 43m1 stop
Multiple Airlines Logo
10:09 am - 7:14 amMVY-IAD
21h 05m1 stop
$594Multiple Airlines
Find Deal
Wed, Dec 3 - Mon, Dec 8
Multiple Airlines Logo
10:06 pm - 2:47 pmIAD-MVY
16h 41m1 stop
Multiple Airlines Logo
10:09 am - 9:25 pmMVY-IAD
11h 16m2 stops
$599Multiple Airlines
Find Deal
Wed, Dec 3 - Mon, Dec 8
Multiple Airlines Logo
8:45 am - 8:45 pmIAD-MVY
12h 00m2 stops
Multiple Airlines Logo
10:09 am - 11:21 pmMVY-IAD
13h 12m2 stops
$605Multiple Airlines
Find Deal
Wed, Dec 3 - Mon, Dec 8
Multiple Airlines Logo
10:17 pm - 10:30 amIAD-HYA
12h 13m1 stop
Multiple Airlines Logo
7:58 am - 7:06 amHYA-IAD
23h 08m1 stop
$612Multiple Airlines
Find Deal
Fri, Dec 19 - Mon, Dec 22
Multiple Airlines Logo
10:17 pm - 10:30 amIAD-HYA
12h 13m1 stop
Multiple Airlines Logo
7:58 am - 11:06 pmHYA-IAD
15h 08m2 stops
$650Multiple Airlines
Find Deal
Fri, Dec 19 - Mon, Dec 22
Multiple Airlines Logo
9:00 am - 3:50 pmIAD-MVY
6h 50m1 stop
Multiple Airlines Logo
8:43 am - 4:25 pmMVY-IAD
7h 42m2 stops
$719Multiple Airlines
Find Deal
Wed, Nov 12 - Wed, Nov 19
Multiple Airlines Logo
6:00 am - 2:47 pmIAD-MVY
8h 47m2 stops
Multiple Airlines Logo
8:43 am - 4:25 pmMVY-IAD
7h 42m2 stops
$725Multiple Airlines
Find Deal
Wed, Nov 12 - Wed, Nov 19
Multiple Airlines Logo
10:06 pm - 2:09 pmIAD-ACK
16h 03m2 stops
Multiple Airlines Logo
2:16 pm - 11:14 amACK-IAD
20h 58m2 stops
$726Multiple Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 8

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 October 30, 2025.
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

Washington, D.C.Hyannis

IAD - HYA

IADHYA

Washington, D.C. Dulles Intl

Fri 12/5

10:06 pm-10:30 am

1 stop12h 24m

Hyannis Barnstable

Sun 12/7

7:58 am-7:14 am

1 stop23h 16m

$480

Washington, D.C.Hyannis

IAD - HYA

IADHYA

Washington, D.C. Dulles Intl

Fri 12/5

6:00 am-6:39 pm

2 stops12h 39m

Hyannis Barnstable

Sun 12/7

7:58 am-7:14 am

1 stop23h 16m

$485

Washington, D.C.West Tisbury

IAD - MVY

IADMVY

Washington, D.C. Dulles Intl

Wed 12/3

10:06 pm-9:49 am

1 stop11h 43m

West Tisbury Martha's Vineyard

Mon 12/8

10:09 am-7:14 am

1 stop21h 05m

$594

Washington, D.C.West Tisbury

IAD - MVY

IADMVY

Washington, D.C. Dulles Intl

Wed 12/3

10:06 pm-2:47 pm

1 stop16h 41m

West Tisbury Martha's Vineyard

Mon 12/8

10:09 am-9:25 pm

2 stops11h 16m

$599

Washington, D.C.West Tisbury

IAD - MVY

IADMVY

Washington, D.C. Dulles Intl

Wed 12/3

8:45 am-8:45 pm

2 stops12h 00m

West Tisbury Martha's Vineyard

Mon 12/8

10:09 am-11:21 pm

2 stops13h 12m

$605

Washington, D.C.Hyannis

IAD - HYA

IADHYA

Washington, D.C. Dulles Intl

Fri 12/19

10:17 pm-10:30 am

1 stop12h 13m

Hyannis Barnstable

Mon 12/22

7:58 am-7:06 am

1 stop23h 08m

$612

Washington, D.C.Hyannis

IAD - HYA

IADHYA

Washington, D.C. Dulles Intl

Fri 12/19

10:17 pm-10:30 am

1 stop12h 13m

Hyannis Barnstable

Mon 12/22

7:58 am-11:06 pm

2 stops15h 08m

$650

Washington, D.C.West Tisbury

IAD - MVY

IADMVY

Washington, D.C. Dulles Intl

Wed 11/12

9:00 am-3:50 pm

1 stop6h 50m

West Tisbury Martha's Vineyard

Wed 11/19

8:43 am-4:25 pm

2 stops7h 42m

$719

Washington, D.C.West Tisbury

IAD - MVY

IADMVY

Washington, D.C. Dulles Intl

Wed 11/12

6:00 am-2:47 pm

2 stops8h 47m

West Tisbury Martha's Vineyard

Wed 11/19

8:43 am-4:25 pm

2 stops7h 42m

$725

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

Fri 12/5

10:06 pm-2:09 pm

2 stops16h 03m

Nantucket Memorial

Mon 12/8

2:16 pm-11:14 am

2 stops20h 58m

$726

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 month to fly to Cape Cod and the Islands?

In general, January is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $217. If you are unable to visit Cape Cod and the Islands during the month of January, then departing from Washington, D.C. Dulles Intl Airport during the month March is also very affordable. Most momondo users find prices during this month for around $241.

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 $279. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $337. 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 $241. Flights to Cape Cod and the Islands are more costly at noon, with an average ticket price of $352. 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 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 $282 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 $204 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

Direct flights

None
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

  • 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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