Find out what a flight from Islip to Seattle might cost

Prices vary based on date, airline, and availability. Compare several options if you're flying between Islip and Seattle.

Select your dates to check current offers.

Try shifting your departure forward or backward by a day to find better options. If you’re looking for a good deal, consider flying outside peak hours as well.

Planning flights between Islip and Seattle? Don’t forget the airport options

Especially when flying to medium or large cities, it's worth checking all possible airport combinations before booking.

• Airports in Islip: Islip - Long Island MacArthur is the only airport in this city.
• Airports in Seattle: Seattle features 2 airports - Boeing Field, Lake Union.

Check for differences in transport costs to and from each airport — they affect your total spend. Choosing the right airport can make a real difference in price and timing.

Customize your flight from Islip to Seattle

Jetcost allows you to filter by travel dates, duration, layovers, carriers, and booking providers. You’ll find direct and connecting flights, one-way or round-trip, from Ryanair, Easyjet, British Airways, Expedia, eDreams, and more.

Other popular destinations

Thinking about United States? You might also consider: Las Vegas, Los Angeles, Miami, New York City, Orlando.

You can sort results by price, duration, or departure time to find the best option for you. When available, results always include both low-cost and traditional airlines.