$705+ 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 6/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HYA
May 19 — May 261
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap 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 May 14, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $705 (American Airlines) |
Popular in | July |
Cheapest in | January |
Average price | $369 |
Find flight deals from Seattle to Hyannis
Cheapest flights from Seattle to HyannisExplore 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 May 14, 2025.
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 May 14, 2025.
This American Airlines deal was found by Cheapflights users on 5/14. 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 6/2712:05 amSEA - HYA
1 stop11h 42mAmerican Airlines
Sat 7/52:30 pmHYA - SEA
1 stop9h 18mAmerican Airlines
Deal found 5/14![American Airlines logo]()
$705
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 May 14, 2025.
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
Fri 6/27
12:05 am-2:47 pm
1 stop11h 42m
Hyannis Barnstable
Sat 7/5
2:30 pm-8:48 pm
1 stop9h 18m
$705
SeattleHyannis
SEA - HYA
SEAHYA
Seattle/Tacoma Intl
Mon 5/26
10:40 pm-1:10 pm
1 stop11h 30m
$839
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
Rainfall in Hyannis by month
Plan your trip to Hyannis by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Hyannis ranges from 3.0 - 4.1 inches per month. March is typically the wettest month, when rainfall can reach 4.1 in. June is typically the driest time to visit Hyannis when rainfall is around 3.0 in.
Temperature in Hyannis by month
Plan your trip to Hyannis by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Hyannis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).
Reviews of airlines servicing Hyannis
Get insights into the airlines that provide service to Hyannis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Hyannis. Reviews last updated May 14, 2025.
Crew
8.0
Entertainment
7.3
Food
6.7
Overall
7.3
Comfort
7.6
Boarding
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2025
JFK - CHS
Crew
8.0
Entertainment
7.3
Food
6.7
Overall
7.3
Comfort
7.6
Boarding
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2025
JFK - CHS
Crew
8.0
Entertainment
7.3
Food
6.7
Overall
7.3
Comfort
7.6
Boarding
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2025
JFK - CHS