New York City (LGA) to London Heathrow (LHR) cheap flight deal from $4373 USD in first class – flightdeals.net

This site is under active development. Please reach out with any issues or feedback.

flightdeals.net

About Premium Fare Deals

British Airways

BABritish Airways

Round Trip•First Class

LaGuardia Airport

New York City, United States

London Heathrow Airport

London Heathrow, United Kingdom

$5,222 USD

-16%$4,373 USD

Verified 1 day ago

December 2025

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1 2 3 4 5 6 7$4,972 8 9 10 11 12$4,972 13$4,972 14$4,972 15$4,972 16$4,722 17 18$6,472 19$4,972 20$4,973 21$4,972 22$4,873 23$4,723 24 25$4,973 26$4,873 27$4,873 28$4,873 29$4,873 30$4,723 31 1$4,973 2$4,973 3$4,973 4$4,873

Fair Availability

23% of dates checked are available within 10% of the lowest price

Friday, December 19th, 2025

4 round-trip options

Returning

Fri, Dec 26, 2025•7 Day Trip

$4,972 USD

Returning

Sat, Dec 27, 2025•8 Day Trip

$4,972 USD

Returning

Sun, Dec 28, 2025•9 Day Trip

$4,973 USD

Returning

Fri, Jan 2, 2026•14 Day Trip

$4,972 USD