In terms of precipitation, rainfall in Hyannis ranges from 3.0 - 4.1 inches per month. March is typically the wettest month, when rainfall can reach 4.1 in. June is typically the driest time to visit Hyannis when rainfall is around 3.0 in.

If weather is an important factor for your trip to Hyannis, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Hyannis?

To save on the cost of your flight from Washington, D.C. Dulles Intl Airport to Hyannis, book at least 31 days before your planned departure. Booking around this time can save you about 242% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $192 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $348.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Hyannis?

Flights from Washington, D.C. Dulles Intl Airport to Hyannis lean towards being more expensive in April. Prices are generally better when you fly from Washington, D.C. Dulles Intl Airport to Hyannis in January, with the cheapest ticket starting at $67.

What is the cheapest time of day to fly from IAD to HYA?

When flying from Washington, D.C. Dulles Intl Airport to Hyannis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Hyannis from Washington, D.C. Dulles Intl?

If you book a flight to Hyannis from Washington, D.C. Dulles Intl, you will be flying to Barnstable, which is the city’s only airport. Hyannis Barnstable (HYA) is located 1.0 mi from the center of Hyannis. There are 0 flights from Washington, D.C. Dulles Intl to Barnstable per day from 0 different airlines.

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

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

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

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

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

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

$233+ Flights from Washington, D.C. Dulles Intl Airport to Hyannis

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Cheap flight deals from Dulles Intl to Hyannis

Round-trip from	$524 (American Airlines)
One-way from	$233 (United)
Popular in	April
Cheapest in	January
Average price	$233

From Washington, D.C. Dulles Intl to Hyannis Barnstable

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One-way flight from Washington, D.C. Dulles Intl to Hyannis Barnstable

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Highest demand for flights based on searches. 8% potential increase in price ($18 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Dulles Intl to Hyannis

Cheapest flights from Dulles Intl to Hyannis
Explore the most affordable flight options available from Dulles Intl to Hyannis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

Mon 7/286:15 amIAD - HYA

2 stops11h 50mMultiple Airlines

Thu 7/311:55 pmHYA - IAD

2 stops8h 33mMultiple Airlines

Deal found 7/26

$468

Mon 8/254:36 pmIAD - HYA

2 stops20h 37mAmerican Airlines

Fri 8/291:44 pmHYA - IAD

2 stops10h 08mAmerican Airlines

Deal found 7/28

$524

Best flights from Dulles Intl to Hyannis
Discover carefully curated flight deals from Dulles Intl to Hyannis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2025.

Mon 8/254:36 pmIAD - HYA

2 stops20h 37mAmerican Airlines

Fri 8/291:44 pmHYA - IAD

2 stops10h 08mAmerican Airlines

Deal found 7/28

$524

Wed 8/203:55 pmIAD - HYA

1 stop4h 32mMultiple Airlines

Sun 8/246:48 amHYA - IAD

1 stop24h 22mMultiple Airlines

Deal found 7/27

$575

Last-minute flights from Dulles Intl to Hyannis
Discover last-minute flight deals from Dulles Intl to Hyannis. Data last updated July 28, 2025 and is based on user searches.

Mon 7/286:15 amIAD - HYA

2 stops11h 50mMultiple Airlines

Thu 7/311:55 pmHYA - IAD

2 stops8h 33mMultiple Airlines

Deal found 7/26

$468

Mon 8/412:35 pmIAD - HYA

1 stop7h 52mMultiple Airlines

Fri 8/86:48 amHYA - IAD

1 stop4h 22mMultiple Airlines

Deal found 7/26

$1,125

Mon 8/254:36 pmIAD - HYA

2 stops20h 37mAmerican Airlines

Fri 8/291:44 pmHYA - IAD

2 stops10h 08mAmerican Airlines

Deal found 7/28

$524

One-way flights from Dulles Intl to Hyannis
Search for one-way flight options from Dulles Intl to Hyannis. Find affordable one-way fares based on user searches. Data last updated July 28, 2025.

Tue 9/28:40 amIAD - HYA

2 stops9h 25mMultiple Airlines

Deal found 7/28

$233

Sat 8/98:19 pmIAD - HYA

3 stops15h 18mAmerican Airlines

Deal found 7/27

$418

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Hyannis 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

Mon 8/25

4:36 pm-1:13 pm

2 stops20h 37m

Hyannis Barnstable

Fri 8/29

1:44 pm-11:52 pm

2 stops10h 08m

$524

Washington, D.C.Hyannis

IAD - HYA

IADHYA

Washington, D.C. Dulles Intl

Wed 8/20

3:55 pm-8:27 pm

1 stop4h 32m

Hyannis Barnstable

Sun 8/24

6:48 am-7:10 am

1 stop24h 22m

$575

Washington, D.C.Hyannis

IAD - HYA

IADHYA

Washington, D.C. Dulles Intl

Tue 9/2

8:40 am-6:05 pm

2 stops9h 25m

$233

Washington, D.C.Hyannis

IAD - HYA

IADHYA

Washington, D.C. Dulles Intl

Sat 8/2

8:06 pm-11:50 am

3 stops15h 44m

$431

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Dulles Intl to Hyannis

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

Reviews of airlines servicing Hyannis

Read reviews from past customers who have flown American Airlines from Washington, D.C. Dulles Intl Airport to Hyannis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

2.0

Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break

American Airlines

7.2

Good

10,000 reviews

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

2.0

Mediocre

Andrew,May 2025

LAX - MIA

Related info for your journey

What airport do you fly into for flights to Hyannis from Washington, D.C. Dulles Intl?
If you book a flight to Hyannis from Washington, D.C. Dulles Intl, you will be flying to Barnstable, which is the city’s only airport. Hyannis Barnstable (HYA) is located 1.0 mi from the center of Hyannis. There are 0 flights from Washington, D.C. Dulles Intl to Barnstable per day from 0 different airlines.
Can I find deals for flights from Dulles Intl to Hyannis that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Hyannis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Hyannis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Hyannis.
Can I find deals for business class flights from Dulles Intl to Hyannis?
Yes. Cheapflights offers flight deals from Dulles Intl to Hyannis 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

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$233+ Cheap flights from Dulles Intl (IAD) to Hyannis (HYA)

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Hyannis with Cheapflights

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Cheap flight deals from Dulles Intl to Hyannis

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Find flight deals from Dulles Intl to Hyannis

Cheapest flights from Dulles Intl to HyannisExplore the most affordable flight options available from Dulles Intl to Hyannis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

Explore the most affordable flight options available from Dulles Intl to Hyannis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Hyannis that are best for you.

Best time to book a flight from Dulles Intl to Hyannis

Have a flexible travel schedule? Discover the best time to fly to Hyannis from Dulles Intl with our price prediction graph.

Reviews of airlines servicing Hyannis

Read reviews from past customers who have flown American Airlines from Washington, D.C. Dulles Intl Airport to Hyannis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

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

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.

Alternative routes for Dulles Intl to Hyannis

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Cheapest flights from Dulles Intl to Hyannis
Explore the most affordable flight options available from Dulles Intl to Hyannis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.