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

Return flights

09 Jul - 16 Jul	Japan Airlines
09 Jul - 17 Jul	Japan Airlines
11 Jul - 18 Jul	Japan Airlines
11 Jul - 19 Jul	Juneyao Airlines
25 Jul - 30 Jul	Japan Airlines
01 Jul - 17 Jul	Japan Airlines
03 Jul - 10 Jul	Japan Airlines
02 Jul - 08 Jul	Japan Airlines
01 Jul - 11 Jul	Japan Airlines
21 Jul - 06 Aug	Japan Airlines
22 Jul - 06 Aug	Japan Airlines
01 Jul - 15 Jul	Japan Airlines
31 Jul - 04 Aug	Japan Airlines
24 Jul - 04 Aug	Japan Airlines
21 Jul - 07 Aug	Japan Airlines
19 Jul - 05 Aug	Japan Airlines
21 Jul - 03 Aug	Japan Airlines
21 Jul - 11 Aug	Japan Airlines
28 Jul - 03 Aug	Japan Airlines
22 Jul - 03 Aug	Japan Airlines

Also check the deals for one-way flights from Seoul to Helsinki 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.

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Cheapest return flights from Seoul to Helsinki in July from $1628

Return flights