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

Return flights

14 Oct - 20 Oct	IndiGo
08 Oct - 14 Oct	Air India	direct
08 Oct - 12 Oct	Air India	direct
20 Oct - 30 Oct	IndiGo
14 Oct - 17 Oct	IndiGo
21 Oct - 01 Nov	IndiGo
15 Oct - 20 Oct	IndiGo
08 Oct - 15 Oct	Air India	direct
08 Oct - 20 Oct	Air India	direct
08 Oct - 13 Oct	Air India	direct
08 Oct - 16 Oct	Air India	direct
30 Oct - 07 Nov	IndiGo
31 Oct - 04 Nov	IndiGo
30 Oct - 08 Nov	IndiGo
30 Oct - 06 Nov	IndiGo
27 Oct - 03 Nov	IndiGo
29 Oct - 06 Nov	IndiGo
27 Oct - 09 Nov	IndiGo
29 Oct - 03 Nov	IndiGo
04 Oct - 13 Nov	IndiGo

Also check the deals for one-way flights from Mumbai to Colombo 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 Colombo in October from $238

Return flights