Hyannis

$498+ Cheap flights from Dulles Intl (IAD) to Hyannis (HYA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HYA
Feb 20 — Feb 271
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Cheap 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 January 21, 2026.

This American Airlines deal was found by Cheapflights users on 1/20. 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 8/148:19 pm
IAD
-
HYA
2 stops18h 03m
American Airlines
Tue 8/251:02 pm
HYA
-
IAD
2 stops27h 28m
American Airlines
Deal found 1/20$498
This American Airlines deal was found by Cheapflights users on 1/20. 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 8/148:19 pm
IAD
-
HYA
2 stops18h 03m
American Airlines
Sun 8/231:02 pm
HYA
-
IAD
2 stops30h 47m
American Airlines
Deal found 1/20$568
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Sun 8/168:19 pm
IAD
-
HYA
2 stops18h 03m
American Airlines
Sun 8/231:02 pm
HYA
-
IAD
2 stops30h 47m
American Airlines
Deal found 1/20$638
This American Airlines deal was found by Cheapflights users on 1/20. 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 8/158:19 pm
IAD
-
HYA
2 stops16h 49m
American Airlines
Tue 8/251:38 pm
HYA
-
IAD
2 stops19h 04m
American Airlines
Deal found 1/20$688
This American Airlines deal was found by Cheapflights users on 1/20. 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 8/151:18 pm
IAD
-
HYA
2 stops23h 50m
American Airlines
Mon 8/241:02 pm
HYA
-
IAD
2 stops27h 28m
American Airlines
Deal found 1/20$698
This American Airlines deal was found by Cheapflights users on 1/20. 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 8/158:19 pm
IAD
-
HYA
2 stops18h 03m
American Airlines
Sat 8/221:38 pm
HYA
-
IAD
2 stops19h 04m
American Airlines
Deal found 1/20$708
This American Airlines deal was found by Cheapflights users on 1/20. 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 8/156:34 am
IAD
-
HYA
2 stops6h 34m
American Airlines
Fri 8/211:02 pm
HYA
-
IAD
2 stops27h 28m
American Airlines
Deal found 1/20$732
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Sun 8/165:20 pm
IAD
-
HYA
2 stops19h 48m
American Airlines
Fri 8/211:38 pm
HYA
-
IAD
2 stops10h 21m
American Airlines
Deal found 1/20$762
This American Airlines deal was found by Cheapflights users on 1/20. 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 8/151:18 pm
IAD
-
HYA
2 stops23h 50m
American Airlines
Sun 8/231:02 pm
HYA
-
IAD
2 stops30h 47m
American Airlines
Deal found 1/20$768

Find flight deals from Dulles Intl to Hyannis

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Hyannis (HYA). 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 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Popular in

October

Cheapest in

February

Average price

$197
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Hyannis Barnstable flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Hyannis Barnstable flights.
Highest demand for flights based on searches. 8% potential increase in price ($22 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in January 2026
  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Hyannis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Hyannis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Hyannis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Hyannis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Hyannis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Hyannis

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

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Hyannis (average of $119). Flying from Washington, D.C. Dulles Intl Airport to Hyannis in July is currently the most expensive (average of $167). 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.

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?

    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.

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

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Hyannis (average of $119). Flying from Washington, D.C. Dulles Intl Airport to Hyannis in July is currently the most expensive (average of $167). 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.

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