Cheap flights from Seattle, WA to Islip, NY
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Tips to know when travelling to Islip
Most popular airline | Frontier Airlines |
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Travelers usually depart from Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base when they travel from Seattle to Islip. The most popular airlines for this route are Frontier Airlines, Alaska Airlines, Spirit Airlines, BREEZE, and Sun Country Airlines. Seattle and Islip have 216 direct flights per week. When you arrive at Islip, consider visiting Empire State Building, Metropolitan Museum of Art, Staten Island, Manhattan Island, Times Square, and Statue of Liberty.
Check-in for a flight from Seattle to Islip
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
BREEZE | MX | No | No | |
Sun Country Airlines | SCX | SY | Yes | No |
Weather in Islip
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 3°C | -1°C |
February | 4°C | 0°C |
March | 7°C | 2°C |
April | 12°C | 7°C |
May | 17°C | 12°C |
June | 22°C | 17°C |
July | 26°C | 21°C |
August | 26°C | 21°C |
September | 22°C | 18°C |
October | 17°C | 13°C |
November | 11°C | 6°C |
December | 7°C | 2°C |
14 day forecast
Frequently asked questions
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