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Flights to Islip  |  From London

All fares are indicative. Prices are correct at the date and time last updated.
£651
incl. payment fees
Kiwi
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London Heathrow18 Dec 2026, 06:40Newark International18 Dec 2026, 15:4014h 00
1 stop		SAS - Scandinavian Airlines
Newark International21 Dec 2026, 17:30London Heathrow22 Dec 2026, 16:0017h 30
1 stop		SAS - Scandinavian Airlines
Last updated: 3 Days Ago
Date: 18 Dec - 21 Dec
£782
incl. payment fees
KLM
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London Heathrow18 Dec 2026, 16:10New York John F. Kennedy18 Dec 2026, 19:458h 35
non stop		KLM
New York John F. Kennedy21 Dec 2026, 18:40London Heathrow22 Dec 2026, 06:557h 15
non stop		KLM
Last updated: 3 Days Ago
Date: 18 Dec - 21 Dec
£782
incl. payment fees
Air France
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London Heathrow18 Dec 2026, 16:10New York John F. Kennedy18 Dec 2026, 19:458h 35
non stop		Air France
New York John F. Kennedy21 Dec 2026, 18:05London Heathrow22 Dec 2026, 06:207h 15
non stop		Air France
Last updated: 3 Days Ago
Date: 18 Dec - 21 Dec

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