London Heathrow (LHR) to Boston (BOS) flight deal in economy from $508

IcelandairFIIcelandair
Round Trip•Economy
United KingdomLHR

London Heathrow Airport

London Heathrow, United Kingdom
United StatesBOS

Logan International Airport

Boston, United States
$740 USD
-31%$508 USD
Verified 15 days ago
Limited Availability
14% of dates checked are available within 10% of the lowest price

Tuesday, August 4th, 2026

3 round-trip options

Returning
Fri, Aug 14, 2026•10 Day Trip
$1,939 USD
Google Flights
Returning
Sat, Aug 15, 2026•11 Day Trip
$1,248 USD
Google Flights
Returning
Tue, Aug 18, 2026•14 Day Trip
$1,178 USD
Google Flights