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Before your flight
At the airport
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Assistance dogs
Travelling while pregnant
Children travelling alone and young travellers
Travel documents
Travel documents to the USA, UK, Canada and Australia
Travel requirements for your trip
Travelling with multiple airlines
Travel & fly
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Contribute to sustainable aviation fuel
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Sustainability work at Finnair
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Popular flights and flight offers from Helsinki to London
HEL – LHR
Helsinki - London
Sun 22 Nov 2026 – Thu 26 Nov 2026
From
€268
Book now
Our cheapest flights from Helsinki to London
Date
Price (low to high)
Price (high to low)
HEL – LHR
Helsinki - London
Sun 22 Nov 2026 – Thu 26 Nov 2026
From
€268
Book now
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