$241 Cheap Flights from Hyannis (HYA) to Seattle (SEA)

View $241 flight on Wed, Sep 17, 2025Opens in a new window

Popular airlines from Hyannis, MA (HYA-Barnstable Municipal) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Hyannis to Seattle (HYA-SEA)

Prices were available within the past 7 days and start at $241 for one-way flights and $452 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Wed, Sep 10 - Wed, Sep 24
HYA
Hyannis
SEA
Seattle
$452 Roundtrip, found 2 days ago
$452
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Wed, Sep 10 from Hyannis to Seattle, returning Wed, Sep 24, priced at $452 found 2 days ago
JetBlue Airways
Tue, Sep 23 - Tue, Oct 7
HYA
Hyannis
SEA
Seattle
$461 Roundtrip, found 2 days ago
$461
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Tue, Sep 23 from Hyannis to Seattle, returning Tue, Oct 7, priced at $461 found 2 days ago
JetBlue Airways
Wed, Sep 10 - Tue, Sep 23
HYA
Hyannis
SEA
Seattle
$462 Roundtrip, found 2 days ago
$462
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Wed, Sep 10 from Hyannis to Seattle, returning Tue, Sep 23, priced at $462 found 2 days ago
JetBlue Airways
Tue, Sep 16 - Tue, Sep 30
HYA
Hyannis
SEA
Seattle
$471 Roundtrip, found 2 days ago
$471
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Tue, Sep 16 from Hyannis to Seattle, returning Tue, Sep 30, priced at $471 found 2 days ago
JetBlue Airways
Thu, Sep 11 - Wed, Sep 24
HYA
Hyannis
SEA
Seattle
$487 Roundtrip, found 2 days ago
$487
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Thu, Sep 11 from Hyannis to Seattle, returning Wed, Sep 24, priced at $487 found 2 days ago
JetBlue Airways
Wed, Sep 10 - Mon, Sep 29
HYA
Hyannis
SEA
Seattle
$493 Roundtrip, found 2 days ago
$493
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Wed, Sep 10 from Hyannis to Seattle, returning Mon, Sep 29, priced at $493 found 2 days ago
JetBlue Airways
Wed, Sep 24 - Tue, Oct 7
HYA
Hyannis
SEA
Seattle
$496 Roundtrip, found 2 days ago
$496
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Wed, Sep 24 from Hyannis to Seattle, returning Tue, Oct 7, priced at $496 found 2 days ago
JetBlue Airways
Thu, Sep 11 - Tue, Sep 23
HYA
Hyannis
SEA
Seattle
$497 Roundtrip, found 2 days ago
$497
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Thu, Sep 11 from Hyannis to Seattle, returning Tue, Sep 23, priced at $497 found 2 days ago
JetBlue Airways
Wed, Sep 24 - Sat, Oct 11
HYA
Hyannis
SEA
Seattle
$522 Roundtrip, found 2 days ago
$522
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Wed, Sep 24 from Hyannis to Seattle, returning Sat, Oct 11, priced at $522 found 2 days ago
JetBlue Airways
Tue, Sep 16 - Thu, Oct 2
HYA
Hyannis
SEA
Seattle
$523 Roundtrip, found 2 days ago
$523
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Tue, Sep 16 from Hyannis to Seattle, returning Thu, Oct 2, priced at $523 found 2 days ago

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $452
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $452
Flights from Hyannis (HYA) to Seattle (SEA)
Origin airport
Barnstable Municipal
Destination airport
Seattle - Tacoma Intl.
Airlines serving
JetBlue Airways
Roundtrip price
$451
Distance
2543 mi

Hyannis to Seattle Flights

The cheapest times to fly from Hyannis to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Hyannis to Seattle are during the month of September. You can find some of the cheapest flights from Hyannis to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Hyannis to Seattle

Sunday is one of the best days to book for cheap flights from Hyannis to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Hyannis to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Hyannis to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $241 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Hyannis to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Hyannis to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Barnstable Municipal Airport (HYA) to Seattle - Tacoma Intl. Airport (SEA) cost?
Lock in a cheap one-way flight from $241 or cheap return flight from $452 from Barnstable Municipal Airport (HYA) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Barnstable Municipal Airport (HYA) to Seattle - Tacoma Intl. Airport (SEA)?
September is the least expensive month to fly from HYA to SEA. Traveling during quieter months is often the key to landing a great deal.
Which airlines fly direct from Barnstable Municipal Airport (HYA) to Seattle - Tacoma Intl. Airport (SEA)?
Although Hyannis, MA (HYA-Barnstable Municipal) has no direct flights to Seattle - Tacoma Intl. Airport (SEA), other airports have nonstop options. Taking off from Logan Intl. Airport (BOS) will get you to Seattle without any detours.
What is the cheapest airline that flies from Barnstable Municipal Airport (HYA) to Seattle - Tacoma Intl. Airport (SEA)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from HYA to SEA. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Barnstable Municipal Airport (HYA) to Seattle - Tacoma Intl. Airport (SEA)?
There aren't any daily nonstop flights from Barnstable Municipal Airport (HYA) to Seattle - Tacoma Intl. Airport (SEA). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from HYA to SEA?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Barnstable Municipal Airport (HYA) to Seattle - Tacoma Intl. Airport (SEA)?
Choose a flight from Barnstable Municipal Airport (HYA) to Seattle - Tacoma Intl. Airport (SEA) that takes off before 3 PM to reduce the risk of cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Barnstable Municipal Airport (HYA) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Booking your plane ticket from HYA to SEA just before your journey is usually more expensive. But if there's some wiggle room with your departure dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a HYA to SEA flight and hotel package?
Compared with arranging flights and hotels separately, booking a HYA to SEA flight and hotel package with Expedia could lead to significant savings. Better yet, having it all in one place will take the stress out of travel planning. Just secure your flights and choose from our wide range of hotels, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Barnstable Municipal Airport (HYA) to Seattle - Tacoma Intl. Airport (SEA)?
Typically, it's possible to reschedule or cancel your HYA to SEA flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.