$485 Cheap American Airlines flights Boston (BOS) to London (LHR)

View $485 flight on Mon, Oct 5, 2026Opens in a new window

$485 Cheap American Airlines flights Boston (BOS) to London (LHR)

Prices were available within the past 7 days and start at $485 for one-way flights and $799 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Sep 30 - Mon, Oct 5
BOS
Boston
LHR
London
$799 Roundtrip, found 22 hours ago
$799
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Wed, Sep 30 from Boston to London, returning Mon, Oct 5, priced at $799 found 22 hours ago

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

September is typically the cheapest month to fly

From $623 - $737 per traveler.

Travel information

Origin airport
Logan Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, SATA International-Azores Airlines S.A., Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, United, Virgin Atlantic
Popular airline
Iberia
Distance
5210 km
Average flight time
11 hours 43 mins

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