Cheap flights from Islip, NY to London, United Kingdom
Flights starting at £231. Choose between Frontier Airlines, Spirit Airlines, or JetBlue Airways to find the best price.
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Tips to know when travelling to London
Cheapest one-way trip | £325 |
---|---|
Cheapest round-trip | £685 |
Includes rare itinerary | |
Most popular airline | Frontier Airlines |
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Book your trip to arrive at Gatwick, Heathrow, Luton, London Stansted, or London City. The most popular airlines for this route are Frontier Airlines, Spirit Airlines, JetBlue Airways, Norse Atlantic Airways, and easyJet. Islip and London have 351 direct flights per week. When you arrive at London, consider visiting Tower of London, Avebury, Canterbury Cathedral, Isle of Wight, St. Paul's Cathedral, British Museum, Stonehenge, Roman Baths, Bath, Portsea Island, Natural History Museum, and Tate Modern.
Check-in for a flight from Islip to London
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 |
Norse Atlantic Airways | NBT | N0 | No | Opens 24 days before flight Closes 2 hours before flight |
easyJet | EZY | U2 | No | Opens 720 days before flight Closes 2 hours before flight |
Weather in London
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 7°C | 2°C |
February | 8°C | 3°C |
March | 11°C | 4°C |
April | 14°C | 5°C |
May | 17°C | 8°C |
June | 20°C | 11°C |
July | 22°C | 14°C |
August | 22°C | 14°C |
September | 19°C | 12°C |
October | 15°C | 9°C |
November | 10°C | 6°C |
December | 8°C | 3°C |
14 day forecast
Frequently asked questions
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