Cheapest return flights from London to Helsinki in April from $257

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

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

Return flights

01 Apr - 08 Apr Lufthansa
01 Apr - 14 Apr Lufthansa
09 Apr - 15 Apr KLM
01 Apr - 15 Apr Lufthansa
02 Apr - 09 Apr Lufthansa
09 Apr - 14 Apr Lufthansa
15 Apr - 23 Apr Lufthansa
15 Apr - 26 Apr KLM
30 Apr - 05 May KLM
30 Apr - 04 May KLM
01 Apr - 07 Apr Lufthansa
01 Apr - 05 Apr KLM
29 Apr - 09 May KLM
18 Apr - 04 May KLM
18 Apr - 05 May KLM
18 Apr - 02 May KLM
24 Apr - 01 May Lufthansa
29 Apr - 02 May KLM
25 Apr - 02 May Lufthansa
25 Apr - 04 May KLM

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

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