AirHint found the following cheapest one-way flights from Tokyo (HND) to Seoul (ICN) in June 2026 (see full year).

One-Way flights

03 Jun	Korean Air	direct
24 Jun	Korean Air	direct
18 Jun	Korean Air	direct
21 Jun	Korean Air	direct
07 Jun	Korean Air	direct
19 Jun	Korean Air	direct
05 Jun	Korean Air	direct
06 Jun	Korean Air	direct
20 Jun	Korean Air	direct

Also check the deals for return flights from Tokyo to Seoul in June.

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 one-way flights from Tokyo to Seoul in June from 153€

One-Way flights