London to Helsinki flights (LON–HEL) | Finnair

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Popular flights and flight offers from London to Helsinki

LHR – HEL

London - Helsinki

Mon 27 Apr 2026 – Sun 3 May 2026

From

£221

Our cheapest flights from London to Helsinki

LHR – HEL

London - Helsinki

Mon 27 Apr 2026 – Sun 3 May 2026

From

£221

Popular routes and flight deals