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

One-Way flights

30 Jul	Ryanair	direct
23 Jul	Ryanair	direct
28 Jul	Ryanair	direct
26 Jul	Ryanair	direct
31 Jul	Norwegian Air Sweden AOC
16 Jul	Ryanair	direct
19 Jul	Ryanair	direct
29 Jul	Ryanair
24 Jul	Ryanair	direct
25 Jul	Ryanair

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

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 London

Cheap car rent in London

Cheapest one-way flights from Helsinki to London in July from 47€

One-Way flights