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

Monday, December 21st, 2026

5 round-trip options

Returning
Sat, Dec 26, 2026•5 Day Trip
$887 USD
Google Flights
Returning
Wed, Dec 30, 2026•9 Day Trip
$1,047 USD
Google Flights
Returning
Thu, Dec 31, 2026•10 Day Trip
$1,047 USD
Google Flights
Returning
Sat, Jan 2, 2027•12 Day Trip
$1,092 USD
Google Flights
Returning
Sun, Jan 3, 2027•13 Day Trip
$1,092 USD
Google Flights