Find and book Finnair flights from London

Your journey starts here

Flight offers from London (LON)

LHR – PVG

London - Shanghai

Thu 2 Jul 2026 – Fri 10 Jul 2026

From

£670

LHR – LAX

London - Los Angeles

Tue 23 Jun 2026 – Sun 28 Jun 2026

From

£455

LHR – ONT

London - Ontario

Thu 6 Aug 2026 – Sun 9 Aug 2026

From

£698

LHR – ORD

London - Chicago

Tue 23 Jun 2026 – Sun 28 Jun 2026

From

£665

LHR – KTT

London - Kittilä

Tue 11 Aug 2026 – Tue 18 Aug 2026

From

£296

LHR – RVN

London - Rovaniemi

Mon 10 Aug 2026 – Fri 21 Aug 2026

From

£266

Cheap Finnair flights from London and (LON) airports

LHR – ARN

London - Stockholm

Tue 11 Aug 2026 – Tue 18 Aug 2026

From

£195

LHR – HEL

London - Helsinki

Thu 13 Aug 2026 – Mon 17 Aug 2026

From

£222

LHR – TLL

London - Tallinn

Tue 11 Aug 2026 – Tue 18 Aug 2026

From

£229

LHR – VAA

London - Vaasa

Wed 12 Aug 2026 – Tue 18 Aug 2026

From

£241

Explore more flights and destinations