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$909+ Cheap flights from Hyannis to Seattle (HYA - SEA)

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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
HYA — SEA
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Hyannis to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Hyannis (HYA) to Seattle (SEA). 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 August 20, 2025.

Round-trip from

$909
(Expedia)

Popular in

August

Cheapest in

January

Average price

$452
From Hyannis Barnstable to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 15% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Hyannis to Seattle

Cheapest flights from Hyannis to Seattle
Explore the most affordable flight options available from Hyannis to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This Expedia deal was found by Cheapflights users on 8/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2612:54 pmHYA - SEA
1 stop12h 14mMultiple Airlines
Sun 9/2811:34 pmSEA - HYA
1 stop9h 32mMultiple Airlines
Deal found 8/20$909
This Expedia deal was found by Cheapflights users on 8/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/276:48 amHYA - SEA
1 stop8h 42mMultiple Airlines
Wed 9/38:08 pmSEA - HYA
2 stops21h 19mMultiple Airlines
Deal found 8/20$1,302

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hyannis to Seattle 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 August 20, 2025.
Use the filters below to find and compare flights from Hyannis to Seattle that are best for you.

Fly from

Hyannis

Fly to

Seattle

Route

Depart

Return

Price

HyannisSeattle

HYA - SEA

HYASEA

Hyannis Barnstable

Fri 9/26

12:54 pm-10:08 pm

1 stop12h 14m

Seattle/Tacoma Intl

Sun 9/28

11:34 pm-12:06 pm

1 stop9h 32m

$909

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Best time to book a flight from Hyannis to Seattle

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

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

Currently, January is the cheapest month in which you can book a flight from Hyannis to Seattle (average of $238). Flying from Hyannis to Seattle in June is currently the most expensive (average of $388). 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 Hyannis to Seattle. 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 Hyannis to Seattle that include hotel bookings?

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Hyannis to Seattle (average of $238). Flying from Hyannis to Seattle in June is currently the most expensive (average of $388). 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.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Lacey
Ocean Shores
Lynnwood
Leavenworth
Renton
Olympia
Kent
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

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