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Hyannis

$935+ Cheap flights from Seattle to Hyannis (SEA - 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HYA
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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Cheap flight deals from Seattle to Hyannis

Cheapest flights from Seattle to Hyannis
Explore the most affordable flight options available from Seattle to Hyannis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This Expedia deal was found by Cheapflights users on 2/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/3111:10 pm
SEA
-
HYA
1 stop8h 52m
Multiple Airlines
Sat 6/62:03 pm
HYA
-
SEA
1 stop11h 21m
Multiple Airlines
Deal found 2/11$935

Find flight deals from Seattle to Hyannis

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) 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 February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$935
(Expedia)

Popular in

December

Cheapest in

March

Average price

$357
Provider with most accurate pricing for Seattle/Tacoma Intl-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Boston Logan Intl flights.
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From Seattle/Tacoma Intl to Hyannis Barnstable
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Highest demand for flights based on searches. 15% potential increase in price ($67 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in February 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Hyannis 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 February 11, 2026.
Use the filters below to find and compare flights from Seattle to Hyannis that are best for you.

Fly from

Seattle

Fly to

Hyannis

Route

Depart

Return

Price

SeattleHyannis

SEA - HYA

SEAHYA

Seattle/Tacoma Intl

Sun 5/31

11:10 pm-11:02 am

1 stop8h 52m

Hyannis Barnstable

Sat 6/6

2:03 pm-10:24 pm

1 stop11h 21m

$935

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Best time to book a flight from Seattle to Hyannis

Have a flexible travel schedule? Discover the best time to fly to Hyannis from Seattle 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 Seattle to Hyannis

What is the cheapest month to book a flight from Seattle to Hyannis?

Currently, March is the cheapest month in which you can book a flight from Seattle to Hyannis (average of $108). Flying from Seattle to Hyannis in January is currently the most expensive (average of $257). 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 Seattle to Hyannis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

  • How can I find direct flights from Seattle to Hyannis?

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

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

    Yes. Cheapflights offers flight deals from Seattle 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 Seattle to Hyannis?

    Currently, March is the cheapest month in which you can book a flight from Seattle to Hyannis (average of $108). Flying from Seattle to Hyannis in January is currently the most expensive (average of $257). 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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