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

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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

August 2025

Mon

Tue

Wed

Thu

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Sat

Sun

28$5,623 29 30 31 1 2 3 4$5,023 5$4,873 6$4,873 7$5,023 8 9 10 11 12 13 14$4,923 15$4,923 16 17 18$4,923 19$13,438 20 21 22 23 24 25 26 27 28 29 30 31

Fair Availability

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

Thursday, August 7th, 2025

2 round-trip options

Returning

Wed, Aug 20, 2025•13 Day Trip

$5,023 USD

Returning

Thu, Aug 21, 2025•14 Day Trip

$5,023 USD