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

March 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

23 24$4,722 25 26$4,874 27$4,874 28$4,973 1$4,973 2 3$4,723 4 5 6 7 8$4,874 9 10$4,626 11 12$5,373 13 14 15$4,723 16 17$4,473 18$4,374 19$4,624 20$4,624 21$4,824 22$5,074 23$5,074 24 25 26 27 28 29 30 31 1 2 3 4 5

Fair Availability

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

Sunday, March 22nd, 2026

2 round-trip options

Returning

Fri, Mar 27, 2026•5 Day Trip

$5,074 USD

Returning

Sat, Mar 28, 2026•6 Day Trip

$5,074 USD