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$588+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
HYA — SEA
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$588
(Expedia)

Popular in

August

Cheapest in

January

Average price

$337
From Hyannis Barnstable to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 14% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This Expedia deal was found by Cheapflights users on 9/16. 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.
Tue 10/1410:16 amHYA - SEA
1 stop15h 05mJetBlue
Tue 10/2111:56 pmSEA - HYA
2 stops15h 43mJetBlue
Deal found 9/16$588
This United deal was found by Cheapflights users on 9/16. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1410:29 amHYA - SEA
2 stops14h 48mMultiple Airlines
Tue 10/215:31 pmSEA - HYA
2 stops13h 59mMultiple Airlines
Deal found 9/16$696
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/19:57 amHYA - SEA
1 stop27h 36mMultiple Airlines
Sun 10/511:15 pmSEA - HYA
1 stop15h 23mMultiple Airlines
Deal found 9/16$749

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 September 17, 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

Tue 10/14

10:16 am-10:21 pm

1 stop15h 05m

Seattle/Tacoma Intl

Tue 10/21

11:56 pm-6:39 pm

2 stops15h 43m

$588

HyannisSeattle

HYA - SEA

HYASEA

Hyannis Barnstable

Tue 10/14

10:29 am-10:17 pm

2 stops14h 48m

Seattle/Tacoma Intl

Tue 10/21

5:31 pm-10:30 am

2 stops13h 59m

$696

HyannisSeattle

HYA - SEA

HYASEA

Hyannis Barnstable

Wed 10/1

9:57 am-10:33 am

1 stop27h 36m

Seattle/Tacoma Intl

Sun 10/5

11:15 pm-5:38 pm

1 stop15h 23m

$749

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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 $387). 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.

  • How long is the flight from Hyannis to Seattle?

    For as low as $588, JetBlue can have you in Seattle from Hyannis in 15h 05m. Airlines will cover a distance of 2542 mi.

  • 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 $387). 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
Ocean Shores
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Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
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