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Cheap flights from Hyannis to Washington, D.C. from $238

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Hyannis to Washington, D.C. departing on 10/3. 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 Hyannis to Washington, D.C.

Cheap round-trip flights

Multiple Airlines Logo
12:54 pm - 7:11 amHYA-IAD
18h 17m1 stop
Multiple Airlines Logo
6:15 am - 5:38 pmIAD-HYA
11h 23m2 stops
$610Multiple Airlines
Find Deal
Fri, Oct 3 - Sun, Oct 5
Multiple Airlines Logo
12:54 pm - 7:11 amHYA-IAD
18h 17m1 stop
Multiple Airlines Logo
8:50 am - 7:02 pmIAD-HYA
10h 12m1 stop
$621Multiple Airlines
Find Deal
Fri, Oct 3 - Sun, Oct 5
Multiple Airlines Logo
10:29 am - 8:52 pmHYA-IAD
10h 23m1 stop
Multiple Airlines Logo
8:50 am - 6:45 pmIAD-HYA
9h 55m1 stop
$785Multiple Airlines
Find Deal
Fri, Oct 3 - Sun, Oct 5

momondo Fare Finder

 
Customize your flight search to find flights from Hyannis to Washington, D.C. Dulles Intl Airport 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 September 16, 2025.
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

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Fri 10/3

12:54 pm-7:11 am

1 stop18h 17m

Washington, D.C. Dulles Intl

Sun 10/5

6:15 am-5:38 pm

2 stops11h 23m

$610

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Fri 10/3

12:54 pm-7:11 am

1 stop18h 17m

Washington, D.C. Dulles Intl

Sun 10/5

8:50 am-7:02 pm

1 stop10h 12m

$621

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Fri 10/3

10:29 am-8:52 pm

1 stop10h 23m

Washington, D.C. Dulles Intl

Sun 10/5

8:50 am-6:45 pm

1 stop9h 55m

$785

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Fri 10/3

10:29 am-11:14 am

1 stop24h 45m

$238

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Thu 9/25

6:48 am-11:14 am

1 stop4h 26m

$288

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Thu 9/25

9:40 am-4:06 pm

2 stops6h 26m

$293

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Fri 10/3

10:29 am-6:29 pm

3 stops32h 00m

$303

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Fri 10/3

10:29 am-6:29 pm

2 stops32h 00m

$312

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Thu 9/25

10:29 am-12:55 pm

3 stops26h 26m

$328

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Sun 10/19

4:09 pm-11:18 pm

3 stops31h 09m

$361

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Hyannis to Washington, D.C. Dulles Intl Airport

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 Washington, D.C. Dulles Intl Airport?

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $436. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Hyannis to Washington, D.C. Dulles Intl Airport for around $773.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Hyannis in the evening is the least expensive time of day to depart. momondo users have found prices as low as $551 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $657 on average. Flights to Washington, D.C. Dulles Intl Airport from Hyannis at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Hyannis to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Hyannis to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Hyannis to Washington, D.C. Dulles Intl Airport (HYA to IAD) flight deals and tips

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

Direct flights

None
There are no direct flights from Hyannis to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Hyannis to Washington, D.C. Dulles Intl Airport.
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  • How far is Hyannis Barnstable to Washington, D.C. Dulles Intl by plane?

    The straight-line distance from Hyannis Barnstable to Washington, D.C. Dulles Intl is 420.6 mi. Typically, this will take 10h 23m by plane in normal conditions.

  • When did momondo last update prices for flights from Hyannis Barnstable Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Hyannis Barnstable Airport to Washington, D.C. Dulles Intl Airport refresh daily.

  • How old do you have to be to fly from Hyannis Barnstable Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Hyannis Barnstable Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
National Harbor
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg

Why use momondo?

Why should I use momondo to find a flight deal from Hyannis to Washington, D.C.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Hyannis.

Can I find flights from Hyannis to Washington, D.C. with flexible booking policies on momondo?

Flights from Hyannis to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Hyannis to Washington, D.C.?

Once all potential Hyannis to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Hyannis to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Hyannis and alert you when they change.

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