Cheapest one-way flights from Seoul to London in May from $375

AirHint found the following cheapest one-way flights from Seoul (ICN) to London (LTN) in May 2026 (see full year).

One-Way flights

22 May Air China
25 May Vietnam Airlines
15 May Vietnam Airlines
10 May Etihad Airways
27 May T'way Air
23 May Etihad Airways
31 May Vietnam Airlines
30 May Vietnam Airlines
01 May Vietnam Airlines
02 May Air India

Also check the deals for return flights from Seoul to London in May.

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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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