Find and book Finnair flights from London

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Flight offers from London (LON)

LHR – PVG
London - Shanghai
Mon 1 Dec 2025 – Tue 9 Dec 2025
From
£490
LHR – LAX
London - Los Angeles
Tue 4 Nov 2025 – Tue 11 Nov 2025
From
£479
LHR – ONT
London - Ontario
Sun 19 Oct 2025 – Mon 27 Oct 2025
From
£1,025
LHR – ORD
London - Chicago
Wed 19 Nov 2025 – Mon 24 Nov 2025
From
£527
LHR – KTT
London - Kittilä
Fri 31 Oct 2025 – Tue 11 Nov 2025
From
£300
LHR – RVN
London - Rovaniemi
Fri 7 Nov 2025 – Wed 12 Nov 2025
From
£258

Cheap Finnair flights from London and (LON) airports

LHR – HEL
London - Helsinki
Mon 24 Nov 2025 – Wed 3 Dec 2025
From
£168
LHR – ARN
London - Stockholm
Tue 25 Nov 2025 – Fri 28 Nov 2025
From
£185
LHR – TLL
London - Tallinn
Thu 20 Nov 2025 – Mon 24 Nov 2025
From
£212
LHR – RVN
London - Rovaniemi
Fri 7 Nov 2025 – Wed 12 Nov 2025
From
£258