Search and book London to Helsinki flights

Your journey starts here

Popular flights and flight offers from London to Helsinki

LHR – HEL
London - Helsinki
Tue 1 Jul 2025 – Tue 8 Jul 2025
From
£203

Our cheapest flights from London to Helsinki

LHR – HEL
London - Helsinki
Tue 1 Jul 2025 – Tue 8 Jul 2025
From
£203

Popular routes and flight deals