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Dulles Intl

$93+ Cheap flights from Cape Cod and the Islands to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
ACK — IAD
Jan 28 — Feb 41
Tue 1/28
Tue 2/4
1 adult, Economy
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Cheap flight deals from Cape Cod and the Islands to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Cape Cod and the Islands (zzKDT) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 23, 2025.

Round-trip from

$649
(United)

One-way from

$93
(United Airlines)
From Cape Cod and the Islands to Washington, D.C. Dulles Intl
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One-way flight from Cape Cod and the Islands to Washington, D.C. Dulles Intl
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Find flight deals from Cape Cod and the Islands to Dulles Intl

Cheapest flights from Cape Cod and the Islands to Dulles Intl
Explore the most affordable flight options available from Cape Cod and the Islands to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 23, 2025.

This United deal was found by Cheapflights users on 1/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/303:50 pmHYA - IAD
1 stop19h 31mMultiple Airlines
Thu 2/610:24 pmIAD - HYA
1 stop17h 51mMultiple Airlines
Deal found 1/23$465
This Delta deal was found by Cheapflights users on 1/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/232:50 pmMVY - IAD
1 stop3h 38mDelta
Thu 6/269:30 amIAD - MVY
2 stops6h 39mDelta
Deal found 1/23$814
This American Airlines deal was found by Cheapflights users on 1/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/232:19 pmMVY - IAD
2 stops9h 33mAmerican Airlines
Thu 6/265:05 amIAD - MVY
2 stops8h 44mAmerican Airlines
Deal found 1/23$1,007
This United Airlines deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/187:30 amACK - IAD
1 stop3h 41mMultiple Airlines
Sun 4/203:45 pmIAD - ACK
1 stop4h 30mMultiple Airlines
Deal found 1/22$1,309

Find flights from Cape Cod and the Islands to Dulles Intl within your budget

Customize your flight search to find flights from Cape Cod and the Islands to Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated January 23, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Thu 2/13

11:00 am-11:04 pm

2 stops12h 04m

Washington, D.C. Dulles Intl

Mon 2/17

5:40 pm-2:40 pm

1 stop21h 00m

$649

West TisburyWashington, D.C.

MVY - IAD

MVYIAD

West Tisbury Martha's Vineyard

Mon 6/23

2:50 pm-6:28 pm

1 stop3h 38m

Washington, D.C. Dulles Intl

Thu 6/26

9:30 am-4:09 pm

2 stops6h 39m

$814

West TisburyWashington, D.C.

MVY - IAD

MVYIAD

West Tisbury Martha's Vineyard

Mon 6/23

2:19 pm-11:52 pm

2 stops9h 33m

Washington, D.C. Dulles Intl

Thu 6/26

5:05 am-1:49 pm

2 stops8h 44m

$1,007

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Fri 4/18

7:30 am-11:11 am

1 stop3h 41m

Washington, D.C. Dulles Intl

Sun 4/20

3:45 pm-8:15 pm

1 stop4h 30m

$1,309

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Mon 7/21

4:20 pm-11:00 pm

1 stop6h 40m

$93

West TisburyWashington, D.C.

MVY - IAD

MVYIAD

West Tisbury Martha's Vineyard

Fri 6/6

2:50 pm-6:22 pm

1 stop3h 32m

$164

West TisburyWashington, D.C.

MVY - IAD

MVYIAD

West Tisbury Martha's Vineyard

Sun 6/22

8:05 am-8:25 pm

2 stops12h 20m

$545

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

Best time to book a flight from Cape Cod and the Islands to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Cape Cod and the Islands with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Cape Cod and the Islands to Dulles Intl

Get recent, data-driven insights about flights from Cape Cod and the Islands to Dulles Intl including ideal travel times, pricing trends, and more.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated January 23, 2025.
Delta
8.0
Very good
8,508 reviews

Crew

8.6

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,508 reviews
Delta
8.0
Very good
8,508 reviews

Crew

8.6

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,971 reviews
Delta
8.0
Very good
8,508 reviews

Crew

8.6

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,508 reviews

Crew

8.6

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Cape Cod and the Islands to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    The most popular route from Cape Cod and the Islands to Washington, D.C. Dulles Intl Airport is Hyannis Barnstable - Washington, D.C. Dulles Intl. You may also consider Nantucket Memorial - Washington, D.C. Dulles Intl or West Tisbury Martha's Vineyard - Washington, D.C. Dulles Intl.

  • Can I find deals for flights from Cape Cod and the Islands to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Cape Cod and the Islands to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Cape Cod and the Islands to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cape Cod and the Islands to Dulles Intl.

  • Can I find deals for business class flights from Cape Cod and the Islands to Dulles Intl?

    Yes. Cheapflights offers flight deals from Cape Cod and the Islands to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Cape Cod and the Islands to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Cape Cod and the Islands to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Cape Cod and the Islands to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Cape Cod and the Islands?

Book flights to Cape Cod and the Islands if you plan to visit one of these locations
Fairfax
Arlington
Alexandria
Springfield
Silver Spring
Rockville
Tysons
Gaithersburg
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Greenbelt
Sterling
Easton
Oxon Hill
Herndon
Woodbridge
Bowie
Reston

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