AirHint found the following cheapest return flights from Mumbai (BOM) to Seoul (ICN) in October 2025 (see full year).

Return flights

03 Oct - 17 Oct	Thai VietJet Air
02 Oct - 09 Oct	Air India
02 Oct - 19 Oct	Air India
05 Oct - 12 Oct	IndiGo
30 Oct - 11 Nov	IndiGo
05 Oct - 16 Oct	IndiGo
03 Oct - 11 Oct	IndiGo
02 Oct - 12 Oct	Vietnam Airlines
02 Oct - 13 Oct	IndiGo
01 Oct - 11 Oct	IndiGo
03 Oct - 10 Oct	IndiGo
29 Oct - 08 Nov	Air India
31 Oct - 07 Nov	Air India
28 Oct - 03 Nov	IndiGo
30 Oct - 13 Nov	IndiGo
27 Oct - 03 Nov	IndiGo
30 Oct - 10 Nov	IndiGo
29 Oct - 06 Nov	IndiGo
28 Oct - 08 Nov	IndiGo
28 Oct - 07 Nov	IndiGo

Also check the deals for one-way flights from Mumbai to Seoul in October.

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 Mumbai to Seoul in October from $335

Return flights