Cheapest return flights from London to Seoul in September from 653€

Best time to book flights for London (STN) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest return flights from London (STN) to Seoul (ICN) in September 2025 (see full year).

Return flights

02 Sep - 16 Sep easyJet
02 Sep - 09 Sep easyJet
21 Sep - 21 Oct Ryanair
13 Sep - 29 Sep Ryanair
05 Sep - 22 Sep Ryanair
27 Sep - 15 Oct Ryanair
02 Sep - 13 Sep easyJet
30 Sep - 10 Oct Ryanair
24 Sep - 15 Oct Ryanair
04 Sep - 15 Sep Ryanair
13 Sep - 22 Sep Ryanair
05 Sep - 15 Sep Ryanair
23 Sep - 03 Oct easyJet
05 Sep - 20 Sep Ryanair
28 Sep - 17 Oct Ryanair
07 Sep - 17 Sep Ryanair
20 Sep - 21 Oct Pegasus Airlines
26 Sep - 12 Oct Ryanair
29 Sep - 17 Oct Ryanair
26 Sep - 11 Oct Ryanair

Also check the deals for one-way flights from London to Seoul in September.

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.

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