Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Hyannis to Washington, D.C. from $291

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 8/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Hyannis to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:18 pm - 12:14 am
HYA
-
IAD
11h 56m
2 stops
American Airlines Logo
1:23 pm - 12:12 pm
IAD
-
HYA
22h 49m
2 stops
$432American Airlines
Sat, Aug 1 - Sat, Aug 8
Multiple Airlines Logo
12:50 pm - 7:20 am
HYA
-
IAD
18h 30m
1 stop
Multiple Airlines Logo
10:15 pm - 4:05 pm
IAD
-
HYA
17h 50m
1 stop
$572Multiple Airlines
Tue, Sep 8 - Sat, Sep 12
Multiple Airlines Logo
12:50 pm - 10:59 pm
HYA
-
IAD
10h 09m
2 stops
Multiple Airlines Logo
10:15 pm - 4:05 pm
IAD
-
HYA
17h 50m
1 stop
$577Multiple Airlines
Tue, Sep 8 - Sat, Sep 12
Multiple Airlines Logo
12:50 pm - 10:59 pm
HYA
-
IAD
10h 09m
2 stops
Multiple Airlines Logo
8:35 am - 5:12 pm
IAD
-
HYA
8h 37m
2 stops
$603Multiple Airlines
Tue, Sep 8 - Sat, Sep 12
Multiple Airlines Logo
2:10 pm - 10:59 pm
HYA
-
IAD
8h 49m
2 stops
Multiple Airlines Logo
1:05 pm - 2:25 pm
IAD
-
HYA
25h 20m
1 stop
$650Multiple Airlines
Sat, Aug 22 - Wed, Aug 26
American Airlines Logo
1:26 pm - 12:10 am
HYA
-
IAD
10h 44m
2 stops
American Airlines Logo
6:10 am - 1:14 pm
IAD
-
HYA
7h 04m
2 stops
$698American Airlines
Mon, Jul 20 - Mon, Aug 10
Multiple Airlines Logo
2:10 pm - 10:59 pm
HYA
-
IAD
8h 49m
2 stops
Multiple Airlines Logo
8:35 am - 5:12 pm
IAD
-
HYA
8h 37m
2 stops
$716Multiple Airlines
Sat, Aug 22 - Wed, Aug 26
American Airlines Logo
12:18 pm - 12:14 am
HYA
-
IAD
11h 56m
2 stops
American Airlines Logo
5:34 pm - 12:12 pm
IAD
-
HYA
18h 38m
3 stops
$722American Airlines
Sat, Aug 1 - Sat, Aug 8
Multiple Airlines Logo
12:50 pm - 7:23 am
HYA
-
IAD
18h 33m
1 stop
Multiple Airlines Logo
10:10 pm - 9:55 pm
IAD
-
HYA
23h 45m
1 stop
$734Multiple Airlines
Mon, Jul 27 - Wed, Jul 29
Multiple Airlines Logo
9:50 am - 2:43 pm
HYA
-
IAD
4h 53m
1 stop
Multiple Airlines Logo
10:10 pm - 12:50 pm
IAD
-
HYA
14h 40m
1 stop
$769Multiple Airlines
Fri, Jul 17 - Sun, Jul 19

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

American Airlines flights from Hyannis to Washington, D.C. Dulles Intl Airport

Our best American Airlines deals on Hyannis to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Aug 1
HYA12:18 pmHyannis Barnstable
11h 56m
2 stops
IAD12:14 amWashington, D.C. Dulles Intl
Aug 8
IAD1:23 pmWashington, D.C. Dulles Intl
22h 49m
2 stops
HYA12:12 pmHyannis Barnstable
$432
American Airlines
Jul 10
HYA12:45 pmHyannis Barnstable
11h 25m
2 stops
IAD12:10 amWashington, D.C. Dulles Intl
Jul 13
IAD8:22 pmWashington, D.C. Dulles Intl
15h 53m
2 stops
HYA12:15 pmHyannis Barnstable
$553
American Airlines
Jul 10
HYA12:45 pmHyannis Barnstable
11h 25m
2 stops
IAD12:10 amWashington, D.C. Dulles Intl
Jul 13
IAD8:22 pmWashington, D.C. Dulles Intl
15h 53m
2 stops
HYA12:15 pmHyannis Barnstable
$568

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 July 4, 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

Sat 8/1

12:18 pm-12:14 am

2 stops11h 56m

Washington, D.C. Dulles Intl

Sat 8/8

1:23 pm-12:12 pm

2 stops22h 49m

$432

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Tue 9/8

12:50 pm-7:20 am

1 stop18h 30m

Washington, D.C. Dulles Intl

Sat 9/12

10:15 pm-4:05 pm

1 stop17h 50m

$572

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Tue 9/8

12:50 pm-10:59 pm

2 stops10h 09m

Washington, D.C. Dulles Intl

Sat 9/12

10:15 pm-4:05 pm

1 stop17h 50m

$577

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Tue 9/8

12:50 pm-10:59 pm

2 stops10h 09m

Washington, D.C. Dulles Intl

Sat 9/12

8:35 am-5:12 pm

2 stops8h 37m

$603

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Sat 8/22

2:10 pm-10:59 pm

2 stops8h 49m

Washington, D.C. Dulles Intl

Wed 8/26

1:05 pm-2:25 pm

1 stop25h 20m

$650

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Mon 7/20

1:26 pm-12:10 am

2 stops10h 44m

Washington, D.C. Dulles Intl

Mon 8/10

6:10 am-1:14 pm

2 stops7h 04m

$698
Quickest round-trip

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Sat 8/22

2:10 pm-10:59 pm

2 stops8h 49m

Washington, D.C. Dulles Intl

Wed 8/26

8:35 am-5:12 pm

2 stops8h 37m

$716

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Sat 8/1

12:18 pm-12:14 am

2 stops11h 56m

Washington, D.C. Dulles Intl

Sat 8/8

5:34 pm-12:12 pm

3 stops18h 38m

$722

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Mon 7/27

12:50 pm-7:23 am

1 stop18h 33m

Washington, D.C. Dulles Intl

Wed 7/29

10:10 pm-9:55 pm

1 stop23h 45m

$734

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Fri 7/17

9:50 am-2:43 pm

1 stop4h 53m

Washington, D.C. Dulles Intl

Sun 7/19

10:10 pm-12:50 pm

1 stop14h 40m

$769

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $389. When flying out on a Sunday, 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 $672.

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 morning is the least expensive time of day to depart. momondo users have found prices as low as $454 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $631 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

Fastest flight time

8h 49m

Direct flights

None
The fastest flight from Hyannis to Washington, D.C. Dulles Intl Airport takes 8h 49m
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.
Search flight deals

Frequently asked questions about flying from Hyannis to Washington, D.C. Dulles Intl Airport

  • 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 8h 49m 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
National Harbor
Arlington
Gettysburg
Winchester
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Colonial Beach
Towson
Manassas
Silver Spring
Sterling
Tysons
Springfield
Bethesda

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.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 8/3
Mon 8/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.