Cheap flights from Ontario, CA to Islip, NY
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Tips to know when travelling to Islip
Cheapest nonstop round-trip | $250 |
---|---|
Most popular airline | Frontier Airlines |
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Travelers usually depart from Ontario International, or Montclair (Ontario) when they travel from Ontario to Islip. The most popular airlines for this route are Frontier Airlines, Spirit Airlines, JetBlue Airways, Alaska Airlines, and Allegiant Air. Ontario and Islip have 74 direct flights per week. When you arrive at Islip, consider visiting Empire State Building, Metropolitan Museum of Art, Manhattan Island, Staten Island, Times Square, and Statue of Liberty.
Check-in for a flight from Ontario 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 |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 hours before flight |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Allegiant Air | AAY | G4 | No | Opens 24 days before flight Closes 1 hours before flight |
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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