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 14 days ago
Limited Availability
14% of dates checked are available within 10% of the lowest price

Tuesday, July 21st, 2026

4 round-trip options

Returning
Mon, Jul 27, 2026•6 Day Trip
$1,399 USD
Google Flights
Returning
Fri, Jul 31, 2026•10 Day Trip
$1,439 USD
Google Flights
Returning
Sat, Aug 1, 2026•11 Day Trip
$1,439 USD
Google Flights
Returning
Tue, Aug 4, 2026•14 Day Trip
$1,399 USD
Google Flights