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

Monday, August 31st, 2026

4 round-trip options

Returning
Sun, Sep 6, 2026•6 Day Trip
$703 USD
Google Flights
Returning
Thu, Sep 10, 2026•10 Day Trip
$615 USD
Google Flights
Returning
Fri, Sep 11, 2026•11 Day Trip
$652 USD
Google Flights
Returning
Mon, Sep 14, 2026•14 Day Trip
$615 USD
Google Flights