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

Friday, August 14th, 2026

3 round-trip options

Returning
Mon, Aug 24, 2026•10 Day Trip
$1,648 USD
Google Flights
Returning
Tue, Aug 25, 2026•11 Day Trip
$1,648 USD
Google Flights
Returning
Fri, Aug 28, 2026•14 Day Trip
$1,688 USD
Google Flights