Title: £440 Cheap Alaska Airlines flights from Seattle to Islip (SEA→ISP) - Expedia.co.uk

  

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# £440 Cheap Alaska Airlines flights from Seattle to Islip (SEA→ISP)

[View £440 flight on Thu, 20 Nov 2025](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:SEA,to:ISP,departure:20/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:440.00&airProductToken=AQpbCi4IwaYBEgM1MzYYkgEgwZMBKO7S_QIwrdX9AjhTQABYAWoCTUFyCFNINE9BU01OCikIuZYBEgMyMTEYwZMBIMh8KKXW_QIwhNf9AjhTQAFYAWoCRVJyA1NJUBIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE)

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## Alaska Airlines flights from Seattle to Islip (SEA→ISP)

Prices were available within the past 7 days and start at £440 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Flight from Seattle to Islip route information

| Origin airport | Seattle - Tacoma Intl. |
| --- | --- |
| Destination airport | MacArthur |
| Distance | 3906 km |

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