When did momondo last update prices for flights from Islip Long Island Airport to United Kingdom?

Prices for flights from Islip Long Island Airport to United Kingdom were last updated today.

How old do you have to be to fly from Islip Long Island Airport to United Kingdom?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Islip Long Island Airport to United Kingdom.

What documentation or ID do you need to fly to United Kingdom?

The travel and health documents you'll need for your trip to United Kingdom may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United Kingdom. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$355 Cheap Flights from Islip, New York to the United Kingdom in 2026

Find the cheapest flights from Islip, New York to the United Kingdom

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:25 pm - 10:00 amISP Islip Long Island-LGW London Gatwick

34h 35m1 stop Orlando

9:40 am - 5:30 pmLGW London Gatwick-ISP Islip Long Island

36h 50m2 stops Toronto Pearson Intl Orlando

$805Multiple Airlines

Sat, Oct 10 - Sat, Oct 17

6:25 pm - 10:00 amISP Islip Long Island-LGW London Gatwick

34h 35m1 stop Orlando

2:00 pm - 6:00 pmLGW London Gatwick-ISP Islip Long Island

33h 00m1 stop Orlando

$819Multiple Airlines

Thu, Oct 15 - Thu, Oct 22

5:43 pm - 10:00 amISP Islip Long Island-LGW London Gatwick

35h 17m1 stop Orlando

2:00 pm - 4:58 pmLGW London Gatwick-ISP Islip Long Island

31h 58m1 stop Orlando

$845Multiple Airlines

Fri, Sep 25 - Fri, Oct 2

5:43 pm - 10:00 amISP Islip Long Island-LGW London Gatwick

35h 17m1 stop Orlando

2:00 pm - 4:58 pmLGW London Gatwick-ISP Islip Long Island

31h 58m1 stop Orlando

$865Multiple Airlines

Sat, Sep 26 - Sat, Oct 3

5:43 pm - 10:00 amISP Islip Long Island-LGW London Gatwick

35h 17m1 stop Orlando

2:00 pm - 11:20 amLGW London Gatwick-ISP Islip Long Island

26h 20m2 stops Orlando Raleigh-Durham

$905Multiple Airlines

Fri, Sep 25 - Fri, Oct 2

12:00 pm - 10:00 amISP Islip Long Island-LGW London Gatwick

17h 00m2 stops Raleigh-Durham Orlando

2:00 pm - 4:58 pmLGW London Gatwick-ISP Islip Long Island

31h 58m1 stop Orlando

$925Multiple Airlines

Sat, Sep 26 - Sat, Oct 3

12:55 pm - 11:55 amISP Islip Long Island-LHR London Heathrow

18h 00m2 stops Baltimore/Washington Reykjavik Keflavik Intl

1:05 pm - 10:40 pmLHR London Heathrow-ISP Islip Long Island

14h 35m2 stops Reykjavik Keflavik Intl Baltimore/Washington

$993Multiple Airlines

Tue, Sep 29 - Tue, Oct 6

4:30 pm - 7:30 pmISP Islip Long Island-LHR London Heathrow

22h 00m2 stops Baltimore/Washington Reykjavik Keflavik Intl

12:15 pm - 9:30 pmLHR London Heathrow-ISP Islip Long Island

14h 15m2 stops Reykjavik Keflavik Intl Baltimore/Washington

$994Multiple Airlines

Mon, Feb 8 - Tue, Mar 2

12:55 pm - 2:40 pmISP Islip Long Island-LGW London Gatwick

20h 45m2 stops Baltimore/Washington Reykjavik Keflavik Intl

3:40 pm - 10:40 pmLGW London Gatwick-ISP Islip Long Island

36h 00m2 stops Reykjavik Keflavik Intl Baltimore/Washington

$994Multiple Airlines

Tue, Sep 29 - Tue, Oct 6

4:20 pm - 11:55 amISP Islip Long Island-LHR London Heathrow

14h 35m2 stops Baltimore/Washington Reykjavik Keflavik Intl

9:25 pm - 11:40 pmLHR London Heathrow-ISP Islip Long Island

31h 15m2 stops Reykjavik Keflavik Intl Baltimore/Washington

$995Multiple Airlines

Wed, Oct 14 - Wed, Oct 21

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Use the filters below to find and compare flights from Islip, New York to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Sat 10/10

6:25 pm-10:00 am

1 stop34h 35m

London Gatwick

Sat 10/17

9:40 am-5:30 pm

2 stops36h 50m

$805

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Thu 10/15

6:25 pm-10:00 am

1 stop34h 35m

London Gatwick

Thu 10/22

2:00 pm-6:00 pm

1 stop33h 00m

$819

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Fri 9/25

5:43 pm-10:00 am

1 stop35h 17m

London Gatwick

Fri 10/2

2:00 pm-4:58 pm

1 stop31h 58m

$845

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Sat 9/26

5:43 pm-10:00 am

1 stop35h 17m

London Gatwick

Sat 10/3

2:00 pm-4:58 pm

1 stop31h 58m

$865

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Fri 9/25

5:43 pm-10:00 am

1 stop35h 17m

London Gatwick

Fri 10/2

2:00 pm-11:20 am

2 stops26h 20m

$905

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Sat 9/26

12:00 pm-10:00 am

2 stops17h 00m

London Gatwick

Sat 10/3

2:00 pm-4:58 pm

1 stop31h 58m

$925

Quickest round-trip

IslipLondon

ISP Islip Long Island - LHR London Heathrow

ISPLHR

Islip Long Island

Tue 9/29

12:55 pm-11:55 am

2 stops18h 00m

London Heathrow

Tue 10/6

1:05 pm-10:40 pm

2 stops14h 35m

$993

IslipLondon

ISP Islip Long Island - LHR London Heathrow

ISPLHR

Islip Long Island

Mon 2/8

4:30 pm-7:30 pm

2 stops22h 00m

London Heathrow

Tue 3/2

12:15 pm-9:30 pm

2 stops14h 15m

$994

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Tue 9/29

12:55 pm-2:40 pm

2 stops20h 45m

London Gatwick

Tue 10/6

3:40 pm-10:40 pm

2 stops36h 00m

$994

IslipLondon

ISP Islip Long Island - LHR London Heathrow

ISPLHR

Islip Long Island

Wed 10/14

4:20 pm-11:55 am

2 stops14h 35m

London Heathrow

Wed 10/21

9:25 pm-11:40 pm

2 stops31h 15m

$995

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Islip, New York to United Kingdom

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to United Kingdom?

United Airlines, British Airways and Aer Lingus are the top three most popular airlines that fly to United Kingdom from Islip, New York according to our data. United Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to United Kingdom. Keep in mind that there are 23 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

Cheap Islip, New York to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to United Kingdom

Best Price Found	$355
Fastest flight time	13h 10m
Direct flights	None

The best one-way flight to United Kingdom from Islip, New York in the past 72 hours is $355. The best round-trip flight deal from Islip, New York to United Kingdom found on momondo in the last 72 hours is $805.

The fastest flight from Islip, New York to United Kingdom takes 13h 10m

There are no direct flights from Islip, New York to United Kingdom. There are no popular flight routes from Islip, New York to United Kingdom.

Search flight deals

Frequently asked questions about flying from Islip, New York to the United Kingdom

When did momondo last update prices for flights from Islip Long Island Airport to United Kingdom?
Prices for flights from Islip Long Island Airport to United Kingdom were last updated today.
How old do you have to be to fly from Islip Long Island Airport to United Kingdom?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Islip Long Island Airport to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The travel and health documents you'll need for your trip to United Kingdom may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United Kingdom. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Islip to United Kingdom?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to United Kingdom from Islip.

Can I find flights from Islip to United Kingdom with flexible booking policies on momondo?

Yes. All flights to United Kingdom from Islip on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Islip to United Kingdom?

momondo provides multiple filters to help you find the best flight to United Kingdom from Islip. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Islip to United Kingdom right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Islip to United Kingdom flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.