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

Sunday, July 12th, 2026

4 round-trip options

Returning
Sat, Jul 18, 2026•6 Day Trip
$966 USD
Google Flights
Returning
Wed, Jul 22, 2026•10 Day Trip
$870 USD
Google Flights
Returning
Thu, Jul 23, 2026•11 Day Trip
$871 USD
Google Flights
Returning
Sun, Jul 26, 2026•14 Day Trip
$908 USD
Google Flights