Cheap flights from the United Kingdom to Islip, New York from £892
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/8. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from United Kingdom to Islip
Keep the following information in mind while searching for United Kingdom to Islip flight deals. Data was last updated 11 July 2025.
Find flight deals from United Kingdom to Islip
Cheapest flights from United Kingdom to IslipExplore the most affordable flight options available from United Kingdom to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Explore the most affordable flight options available from United Kingdom to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from United Kingdom to Islip that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 July 2025.
Use the filters below to find and compare flights from the United Kingdom to Islip that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonIslip
LHR - ISP
LHRISP
London Heathrow
Sat 23/8
09:40-20:01
1 stop15h 21m
Islip Long Island
Sat 30/8
11:53-08:05
1 stop15h 12m
EdinburghIslip
EDI - ISP
EDIISP
Edinburgh Turnhouse
Mon 25/8
21:15-23:59
2 stops31h 44m
Islip Long Island
Mon 1/9
11:53-06:45
1 stop13h 52m
LondonIslip
LHR - ISP
LHRISP
London Heathrow
Sun 24/8
09:45-20:01
2 stops15h 16m
Islip Long Island
Sun 31/8
14:19-07:50
1 stop12h 31m
Best time to book a flight from United Kingdom to Islip
Have a flexible travel schedule? Discover the best time to fly to Islip from United Kingdom with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from the United Kingdom to Islip
Reviews of airlines servicing Islip
Get insights into the airlines that provide service to Islip. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Islip. Reviews last updated 11 July 2025.
Read through reviews of airlines operating flights from the United Kingdom to Islip, such as Alaska Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Crew
Comfort
Food
Overall
Boarding
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Crew
Comfort
Food
Overall
Boarding
Reviews
James,Apr 2025
LAX - SFO
Related info for your journey
Find useful and relevant information for your journey from United Kingdom to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for United Kingdom to Islip
See prices for flight routes from nearby airports that may be better suited for you.
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