$1,142 Cheap American Airlines flights London (LHR) to Boston (BOS)

View $1,142 flight on Fri, Jan 16, 2026Opens in a new window

$1,142 Cheap American Airlines flights London (LHR) to Boston (BOS)

Prices were available within the past 7 days and start at $1,142 for one-way flights and $3,869 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Jan 1 - Fri, Jan 2
LHR
London
BOS
Boston
$3,869 Roundtrip, found 16 hours ago
$3,869
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Thu, Jan 1 from London to Boston, returning Fri, Jan 2, priced at $3,869 found 16 hours ago

Find the cheapest month to fly from London (LHR) to Boston (BOS)

January is typically the cheapest month to fly

From $425 - $877 per traveler.
Flights from London (LHR) to Boston (BOS)
Origin airport
Heathrow
Destination airport
Logan Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, United, Virgin Atlantic
Popular airline
JetBlue Airways
Distance
5210 km
Average flight time
2 hours 43 mins