Best airfares from Islip to Seattle
Jetradar compares airfares from Islip to Seattle with hundreds of airlines (including United Airlines, American Airlines, Alaska Airlines) and dozens of online travel agencies in one single place. We provide you with all the options to find the cheapest flights to Seattle, you choose where to book. Also there you can find airlines special offers from Islip to Seattle. The cheapest round-trip price found within the last week was $275. The cheapest oneway price found within the last week was $130.Cheapest Flights from Islip, NY to Seattle, WA
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Airline One Way One Way / Round-Trip Round-Trip 
United Airlines $509 $1,141 
American Airlines $372 $672 
Alaska Airlines $443 $868 
Southwest Airlines $348 $656
Flights from Islip to Seattle
Travelling from Islip to Seattle advices and facts
- The distance between Islip and Seattle is 2448 miles (or 3939 kilometers).
- The shortest flight time is 7h 55m
- When you fly from Islip to Seattle, don't forget about the time difference. The time in Seattle is -3:00 from the Islip time. The current time in Seattle is 11:28am and 02:28pm in Islip. Check this again shortly before your flight.