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 refresh daily.

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 necessary travel and health documents for your United Kingdom trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£561 Cheap Flights from Islip, New York to the United Kingdom in 2026

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

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

17:43 - 10:00ISP Islip Long Island-LGW London Gatwick

35h 17m1 stop Orlando

14:00 - 16:58LGW London Gatwick-ISP Islip Long Island

31h 58m1 stop Orlando

£571Multiple Airlines

Thu, 24 Sep - Thu, 1 Oct

10:57 - 10:00ISP Islip Long Island-LGW London Gatwick

18h 03m1 stop Orlando

14:00 - 16:58LGW London Gatwick-ISP Islip Long Island

31h 58m1 stop Orlando

£635Multiple Airlines

Thu, 3 Sep - Wed, 9 Sep

17:43 - 10:00ISP Islip Long Island-LGW London Gatwick

35h 17m1 stop Orlando

14:00 - 14:22LGW London Gatwick-ISP Islip Long Island

29h 22m2 stops Orlando Raleigh-Durham

£639Multiple Airlines

Thu, 24 Sep - Thu, 1 Oct

10:57 - 10:00ISP Islip Long Island-LGW London Gatwick

18h 03m1 stop Orlando

14:00 - 16:58LGW London Gatwick-ISP Islip Long Island

31h 58m1 stop Orlando

£640Multiple Airlines

Thu, 3 Sep - Wed, 9 Sep

17:43 - 10:00ISP Islip Long Island-LGW London Gatwick

35h 17m1 stop Orlando

14:00 - 16:58LGW London Gatwick-ISP Islip Long Island

31h 58m1 stop Orlando

£670Multiple Airlines

Thu, 10 Sep - Wed, 16 Sep

10:57 - 10:00ISP Islip Long Island-LGW London Gatwick

18h 03m1 stop Orlando

14:00 - 19:05LGW London Gatwick-ISP Islip Long Island

34h 05m2 stops Orlando Norfolk

£690Multiple Airlines

Thu, 3 Sep - Wed, 9 Sep

10:57 - 10:00ISP Islip Long Island-LGW London Gatwick

18h 03m1 stop Orlando

14:00 - 19:05LGW London Gatwick-ISP Islip Long Island

34h 05m2 stops Orlando Norfolk

£701Multiple Airlines

Thu, 3 Sep - Wed, 9 Sep

17:43 - 07:55ISP Islip Long Island-LGW London Gatwick

33h 12m2 stops Orlando Ottawa

14:00 - 16:58LGW London Gatwick-ISP Islip Long Island

31h 58m1 stop Orlando

£712Multiple Airlines

Thu, 10 Sep - Wed, 16 Sep

12:25 - 10:55ISP Islip Long Island-LGW London Gatwick

17h 30m2 stops Baltimore/Washington Reykjavik Keflavik Intl

11:55 - 22:45LGW London Gatwick-ISP Islip Long Island

15h 50m2 stops Reykjavik Keflavik Intl Baltimore/Washington

£727Multiple Airlines

Sun, 15 Nov - Fri, 15 Jan

12:25 - 10:50ISP Islip Long Island-LHR London Heathrow

17h 25m2 stops Baltimore/Washington Reykjavik Keflavik Intl

12:15 - 22:45LHR London Heathrow-ISP Islip Long Island

15h 30m2 stops Reykjavik Keflavik Intl Baltimore/Washington

£728Multiple Airlines

Sun, 15 Nov - Fri, 15 Jan

Cheap last-minute flights

Enter your travel dates to find the best prices.

16:05 - 11:55ISP Islip Long Island-LHR London Heathrow

14h 50m2 stops Baltimore/Washington Reykjavik Keflavik Intl

20:35 - 23:50LHR London Heathrow-ISP Islip Long Island

32h 15m2 stops Reykjavik Keflavik Intl Baltimore/Washington

£1,329Multiple Airlines

Fri, 14 Aug - Sun, 14 Feb

11:55 - 11:55ISP Islip Long Island-LHR London Heathrow

19h 00m2 stops Baltimore/Washington Reykjavik Keflavik Intl

21:25 - 22:35LHR London Heathrow-ISP Islip Long Island

30h 10m2 stops Reykjavik Keflavik Intl Baltimore/Washington

£1,709Multiple Airlines

Sat, 15 Aug - Sat, 22 Aug

12:35 - 11:55ISP Islip Long Island-LHR London Heathrow

18h 20m2 stops Baltimore/Washington Reykjavik Keflavik Intl

21:25 - 22:05LHR London Heathrow-ISP Islip Long Island

29h 40m2 stops Reykjavik Keflavik Intl Baltimore/Washington

£1,812Multiple Airlines

Thu, 13 Aug - Thu, 20 Aug

10:55 - 11:55ISP Islip Long Island-LHR London Heathrow

20h 00m2 stops Baltimore/Washington Reykjavik Keflavik Intl

13:05 - 22:05LHR London Heathrow-ISP Islip Long Island

14h 00m2 stops Reykjavik Keflavik Intl Baltimore/Washington

£2,066Multiple Airlines

Wed, 12 Aug - Mon, 17 Aug

15:15 - 11:45ISP Islip Long Island-LGW London Gatwick

15h 30m2 stops Baltimore/Washington Reykjavik Keflavik Intl

15:40 - 22:35LGW London Gatwick-ISP Islip Long Island

35h 55m2 stops Reykjavik Keflavik Intl Baltimore/Washington

£2,722Multiple Airlines

Sat, 15 Aug - Sat, 22 Aug

12:45 - 14:40ISP Islip Long Island-LGW London Gatwick

20h 55m2 stops Baltimore/Washington Reykjavik Keflavik Intl

11:55 - 22:35LGW London Gatwick-ISP Islip Long Island

14h 40m2 stops Reykjavik Keflavik Intl Baltimore/Washington

£3,351Multiple Airlines

Sun, 16 Aug - Wed, 28 Oct

12:45 - 11:55ISP Islip Long Island-LHR London Heathrow

18h 10m2 stops Baltimore/Washington Reykjavik Keflavik Intl

12:15 - 22:35LHR London Heathrow-ISP Islip Long Island

14h 20m2 stops Reykjavik Keflavik Intl Baltimore/Washington

£3,351Multiple Airlines

Sun, 16 Aug - Wed, 28 Oct

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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 return flight

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Thu 24/9

17:43-10:00

1 stop35h 17m

London Gatwick

Thu 1/10

14:00-16:58

1 stop31h 58m

£571

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Thu 3/9

10:57-10:00

1 stop18h 03m

London Gatwick

Wed 9/9

14:00-16:58

1 stop31h 58m

£635

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Thu 24/9

17:43-10:00

1 stop35h 17m

London Gatwick

Thu 1/10

14:00-14:22

2 stops29h 22m

£639

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Thu 3/9

10:57-10:00

1 stop18h 03m

London Gatwick

Wed 9/9

14:00-16:58

1 stop31h 58m

£640

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Thu 10/9

17:43-10:00

1 stop35h 17m

London Gatwick

Wed 16/9

14:00-16:58

1 stop31h 58m

£670

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Thu 3/9

10:57-10:00

1 stop18h 03m

London Gatwick

Wed 9/9

14:00-19:05

2 stops34h 05m

£690

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Thu 3/9

10:57-10:00

1 stop18h 03m

London Gatwick

Wed 9/9

14:00-19:05

2 stops34h 05m

£701

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Thu 10/9

17:43-07:55

2 stops33h 12m

London Gatwick

Wed 16/9

14:00-16:58

1 stop31h 58m

£712

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Sun 15/11

12:25-10:55

2 stops17h 30m

London Gatwick

Fri 15/1

11:55-22:45

2 stops15h 50m

£727

Fastest return journey

IslipLondon

ISP Islip Long Island - LHR London Heathrow

ISPLHR

Islip Long Island

Sun 15/11

12:25-10:50

2 stops17h 25m

London Heathrow

Fri 15/1

12:15-22:45

2 stops15h 30m

£728

Flights are sorted by cheapest return 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

Which airlines fly to United Kingdom?

Virgin Atlantic, 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. Virgin Atlantic is the first choice among our users, with 36% of people opting to fly with this airline when travelling to United Kingdom. Keep in mind that there are 14 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

Fastest flight time	12h 44m
Direct flights	None

The fastest flight from Islip, New York to United Kingdom takes 12h 44m

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 refresh daily.
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 necessary travel and health documents for your United Kingdom trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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?

Finding the right flight to United Kingdom from Islip is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to United Kingdom quick and easy, saving you time and money.

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?

If you are simply researching potential flights to United Kingdom, momondo offers a useful price alert feature which will track prices for flights to United Kingdom from Islip and alert you when they change.