Cheapest one-way flights from London to Helsinki in December from 35€

AirHint found the following cheapest one-way flights from London (LON) to Helsinki (HEL) in December 2025 (see full year).

One-Way flights

04 Dec Ryanair direct
02 Dec Ryanair direct
07 Dec Ryanair direct
15 Dec Ryanair
14 Dec Ryanair direct
01 Dec Ryanair direct
09 Dec Ryanair direct
06 Dec Ryanair
10 Dec Ryanair direct
11 Dec Ryanair direct

Also check the deals for return flights from London to Helsinki in December.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Helsinki

Cheap car rent in Helsinki

Feel free to contact us with any feedback or request another flight research.