London Heathrow (LHR) to Boston (BOS) flight deal in economy from $494

Wednesday, December 16th, 2026

10 round-trip options

Returning
Mon, Dec 21, 20265 Day Trip
$794 USD
Returning
Tue, Dec 22, 20266 Day Trip
$794 USD
Returning
Wed, Dec 23, 20267 Day Trip
$794 USD
Returning
Thu, Dec 24, 20268 Day Trip
$794 USD
Returning
Fri, Dec 25, 20269 Day Trip
$837 USD
Returning
Sat, Dec 26, 202610 Day Trip
$990 USD
Returning
Sun, Dec 27, 202611 Day Trip
$889 USD
Returning
Mon, Dec 28, 202612 Day Trip
$851 USD
Returning
Tue, Dec 29, 202613 Day Trip
$877 USD
Returning
Wed, Dec 30, 202614 Day Trip
$1,076 USD