London to Helsinki flights (LON–HEL) | Finnair

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Popular flights and flight offers from London to Helsinki

LHR – HEL

London - Helsinki

Tue 2 Sep 2025 – Mon 8 Sep 2025

From

£190

Our cheapest flights from London to Helsinki

LHR – HEL

London - Helsinki

Tue 2 Sep 2025 – Mon 8 Sep 2025

From

£190

Popular routes and flight deals