HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$293+ Cheap flights from Hyannis (HYA) 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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
HYA — IAD
Jul 17 — Jul 241
Fri 7/17
Fri 7/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Hyannis to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Hyannis to Dulles Intl

Cheapest flights from Hyannis to Dulles Intl
Explore the most affordable flight options available from Hyannis to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 17, 2026.

This American Airlines deal was found by Cheapflights users on 6/12. 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 7/2012:45 pm
HYA
-
IAD
2 stops11h 25m
American Airlines
Mon 8/105:34 pm
IAD
-
HYA
2 stops18h 38m
American Airlines
Deal found 6/12$432
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Thu 7/212:35 pm
HYA
-
IAD
2 stops11h 35m
American Airlines
Mon 7/68:22 pm
IAD
-
HYA
2 stops15h 53m
American Airlines
Deal found 6/16$472
This American Airlines deal was found by Cheapflights users on 6/13. 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.
Sat 7/1812:18 pm
HYA
-
IAD
2 stops11h 56m
American Airlines
Sun 7/198:22 pm
IAD
-
HYA
2 stops15h 53m
American Airlines
Deal found 6/13$487
This United deal was found by Cheapflights users on 6/16. 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.
Fri 8/282:10 pm
HYA
-
IAD
1 stop17h 10m
Multiple Airlines
Sun 8/3010:15 pm
IAD
-
HYA
1 stop14h 35m
Multiple Airlines
Deal found 6/16$558
This United deal was found by Cheapflights users on 6/13. 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.
Sat 7/182:10 pm
HYA
-
IAD
2 stops17h 12m
Multiple Airlines
Sun 7/1910:10 pm
IAD
-
HYA
1 stop14h 40m
Multiple Airlines
Deal found 6/13$607
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Fri 8/2812:42 pm
HYA
-
IAD
2 stops10h 13m
American Airlines
Sun 8/305:08 am
IAD
-
HYA
2 stops8h 06m
American Airlines
Deal found 6/16$624
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Fri 8/141:47 pm
HYA
-
IAD
2 stops9h 08m
American Airlines
Mon 8/175:34 pm
IAD
-
HYA
3 stops18h 38m
American Airlines
Deal found 6/15$628

Find flight deals from Hyannis to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Hyannis (HYA) 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 June 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$432
(American Airlines)

One-way from

$293
(United)

Popular in

June

Cheapest in

September

Average price

$276
Provider with most accurate pricing for Boston Logan Intl-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Washington, D.C. (WAS) flights.
Search Deals
From Hyannis Barnstable to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Hyannis Barnstable to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hyannis 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 June 17, 2026.
Use the filters below to find and compare flights from Hyannis to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Thu 7/23

12:45 pm-12:10 am

2 stops11h 25m

Washington, D.C. Dulles Intl

Mon 7/27

8:22 pm-12:15 pm

2 stops15h 53m

$432

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Mon 7/20

12:45 pm-12:10 am

2 stops11h 25m

Washington, D.C. Dulles Intl

Mon 8/10

5:34 pm-12:12 pm

2 stops18h 38m

$432

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Sat 7/18

12:18 pm-12:14 am

2 stops11h 56m

Washington, D.C. Dulles Intl

Sun 7/19

8:22 pm-12:15 pm

2 stops15h 53m

$487

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Fri 8/28

2:10 pm-7:20 am

1 stop17h 10m

Washington, D.C. Dulles Intl

Sun 8/30

10:15 pm-12:50 pm

1 stop14h 35m

$558

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Sat 7/18

2:10 pm-7:22 am

2 stops17h 12m

Washington, D.C. Dulles Intl

Sun 7/19

10:10 pm-12:50 pm

1 stop14h 40m

$607
Quickest round-trip

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Fri 8/28

12:42 pm-10:55 pm

2 stops10h 13m

Washington, D.C. Dulles Intl

Sun 8/30

5:08 am-1:14 pm

2 stops8h 06m

$624

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Mon 8/17

12:50 pm-7:20 am

1 stop18h 30m

Washington, D.C. Dulles Intl

Wed 8/19

10:15 pm-9:55 pm

1 stop23h 40m

$652
Cheapest one-way

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Fri 7/17

2:10 pm-7:23 am

1 stop17h 13m

$293

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Fri 6/26

2:10 pm-8:04 pm

2 stops29h 54m

$301
Quickest one-way

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Sat 8/22

2:10 pm-10:59 pm

2 stops8h 49m

$308

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Best time to book a flight from Hyannis to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Hyannis 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.

Related info for your journey

Find useful and relevant information for your journey from Hyannis 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 airport do you fly from for flights from Hyannis to Washington, D.C. Dulles Intl?

    Hyannis Barnstable (HYA), located 1.0 mi from the city center, is the airport you fly out of when you book flights from Hyannis to Washington, D.C. Dulles Intl. 0 airlines have flights from Barnstable to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Hyannis Barnstable to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day.

  • How long is the flight from Hyannis to Washington, D.C. Dulles Intl Airport?

    For as low as $432, American Airlines can have you in Washington, D.C. Dulles Intl Airport from Hyannis in 11h 25m. The distance between Hyannis and Washington, D.C. Dulles Intl Airport is about 421 mi.

  • Can I find deals for flights from Hyannis to Dulles Intl that include hotel bookings?

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

  • How can I find direct flights from Hyannis to Dulles Intl?

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

  • Can I find deals for business class flights from Hyannis to Dulles Intl?

    Yes. Cheapflights offers flight deals from Hyannis 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.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Laurel
Hanover
Chantilly
Falls Church
Waldorf
Silver Spring
Largo
Clinton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.