$2,658 Cheap United flights London (LHR) to Boston (BOS)

View $2,658 flight on Fri, Aug 15, 2025Opens in a new window

$2,658 Cheap United flights London (LHR) to Boston (BOS)

Prices were available within the past 7 days and start at $2,658 for one-way flights and $518 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Sep 1 - Fri, Sep 26
LHR
London
BOS
Boston
$518 Roundtrip, found 1 day ago
$518
Roundtrip
found 1 day ago
Select United flight, departing Mon, Sep 1 from London to Boston, returning Fri, Sep 26, priced at $518 found 1 day ago
United
Mon, Sep 1 - Fri, Sep 26
LHR
London
BOS
Boston
$549 Roundtrip, found 1 day ago
$549
Roundtrip
found 1 day ago
Select United flight, departing Mon, Sep 1 from London to Boston, returning Fri, Sep 26, priced at $549 found 1 day ago
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, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, United, Virgin Atlantic
Popular airline
Delta
Distance
5210 km
Average flight time
2 hours 37 mins