Our cheapest offers for flights from London Heathrow to New York

Here you can compare cheap flights from London Heathrow (LHR) to New York (LGA) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to New York. Prices and availability may change at any time.

	Outbound	Return	Airlines	Baggage	Price
London Heathrow New York	Outbound 26/10/25 1 Stopover (YUL) AC0865, AC8640 31h 27min	Return 16/11/25 1 Stopover (YUL) AC8643, AC0864 30h 25min	Air Canada		£344
Best option London Heathrow New York	Outbound 11/10/25 1 Stopover (YUL) AC0867, AC8638 10h 17min	Return 21/10/25 1 Stopover (YUL) AC8639, AC0866 10h 00min	Air Canada	?	£359
London Heathrow New York	Outbound 26/10/25 1 Stopover (YUL) AC0865, AC8640 31h 27min	Return 16/11/25 1 Stopover (YUL) AC8643, AC0864 30h 25min	Air Canada		£346
London Heathrow New York	Outbound 08/12/25 2 Stopovers (BRU, YUL) AC6330, AC0833, AC8640 15h 02min	Return 24/12/25 1 Stopover (YUL) AC8639, AC0864 10h 50min	Air Canada	?	£353
London Heathrow New York	Outbound 01/11/25 1 Stopover (YYZ) AC0857, AC0724 13h 33min	Return 14/11/25 1 Stopover (YYZ) AC0715, AC0854 10h 00min	Air Canada	?	£366
London Heathrow New York	Outbound 19/02/26 1 Stopover (DTW) AF9301, AF2998 15h 48min	Return 22/02/26 1 Stopover (ATL) AF7918, AF3555 11h 50min	Air France	?	£373
London Heathrow New York	Outbound 02/06/26 1 Stopover (YYZ) AC0857, AC0724 11h 43min	Return 13/06/26 1 Stopover (YUL) AC8643, AC0864 10h 10min	Air Canada	?	£379
London Heathrow New York	Outbound 08/12/25 1 Stopover (YUL) AC0865, AC8642 10h 37min	Return 24/12/25 1 Stopover (YUL) AC8635, AC0864 15h 35min	Air Canada		£384
London Heathrow New York	Outbound 19/09/25 1 Stopover (YUL) AC0867, AC8638 10h 17min	Return 26/09/25 1 Stopover (ORD) UA2181, UA0929 28h 50min	Air Canada		£388 found 3 days ago
London Heathrow New York	Outbound 08/12/25 1 Stopover (YUL) AC0865, AC8642 10h 37min	Return 24/12/25 1 Stopover (YUL) AC8639, AC0864 10h 50min	Air Canada		£420

Tips and tricks to help you find cheap flights from London Heathrow to New York

Favourite connection: via Montréal-Pierre Elliott Trudeau International

The most popular flights on this route are via Montréal-Pierre Elliott Trudeau International and are booked by 50 % of all travellers.

Route

bookings

1 stopover Montréal-Pierre Elliott Trudeau International Airport

11h 10min, from 454 £

50 %

1 stopover Boston Logan

13h 25min, from 583 £

46 %

2 stopovers Paris - Charles de Gaulle Boston Logan

18h 27min, from 562 £

4 %

Important flight information

Flight information: London Heathrow - New York

Outbound and return from	343,99 £
Distance	5542 km
Departure airport	Airport London Heathrow (LHR)
Arrival airport	Airport New York - La Guardia Airport, NY (LGA)
Destination country	Flights to United States

Our cheapest offers for flights from London Heathrow to New York

London Heathrow

New York - La Guardia Airport, NY

Tips and tricks to help you find cheap flights from London Heathrow to New York

Important flight information

Flight information: London Heathrow - New York

Alternative routes to United States

Alternative flights to New York

Flight destinations with a similar price