Cheapest return flights from London to Helsinki in July from $99

Best time to book flights for London (STN) to Helsinki (HEL) flights at AirHint

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

Return flights

01 Jul - 21 Jul Ryanair direct
03 Jul - 23 Jul Ryanair direct
03 Jul - 21 Jul Ryanair direct
02 Jul - 21 Jul Ryanair direct
15 Jul - 23 Jul Ryanair direct
03 Jul - 09 Jul Ryanair direct
15 Jul - 21 Jul Ryanair direct
02 Jul - 09 Jul Ryanair direct
15 Jul - 30 Jul Ryanair direct
15 Jul - 26 Jul Ryanair direct
15 Jul - 04 Aug Ryanair direct
15 Jul - 02 Aug Ryanair direct
15 Jul - 01 Aug Ryanair direct
16 Jul - 04 Aug Ryanair direct
16 Jul - 02 Aug Ryanair direct
27 Jul - 04 Aug Ryanair direct
28 Jul - 04 Aug Ryanair direct
31 Jul - 04 Aug Ryanair direct
15 Jul - 03 Aug Ryanair direct
30 Jul - 04 Aug Ryanair direct

Also check the deals for one-way flights from London to Helsinki in July.

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