London to Boston flights (LON–BOS) | Finnair

The security situation in the Middle East impacts our Doha and Dubai flights.

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Popular flights and flight offers from London to Boston

LHR – BOS

London - Boston

Wed 6 May 2026 – Mon 11 May 2026

From

£496

Our cheapest flights from London to Boston

LHR – BOS

London - Boston

Wed 6 May 2026 – Mon 11 May 2026

From

£496

Popular routes and flight deals