Search and book London to Helsinki flights

Your journey starts here

Popular flights and flight offers from London to Helsinki

LHR – HEL
London - Helsinki
Fri 3 Oct 2025 – Sun 12 Oct 2025
From
£168

Our cheapest flights from London to Helsinki

LHR – HEL
London - Helsinki
Fri 3 Oct 2025 – Sun 12 Oct 2025
From
£168

Popular routes and flight deals