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

Return flights

27 Oct - 30 Nov	IndiGo
16 Oct - 21 Oct	Air India	direct
16 Oct - 19 Oct	Air India	direct
16 Oct - 20 Oct	Air India	direct
29 Oct - 05 Nov	Air India	direct
30 Oct - 09 Nov	SriLankan Airlines	direct
27 Oct - 06 Nov	SriLankan Airlines	direct
30 Oct - 04 Nov	IndiGo
30 Oct - 02 Nov	IndiGo
30 Oct - 23 Nov	IndiGo
20 Oct - 23 Oct	SriLankan Airlines	direct
20 Oct - 22 Oct	SriLankan Airlines	direct
31 Oct - 04 Nov	IndiGo
29 Oct - 08 Nov	IndiGo
29 Oct - 03 Nov	IndiGo
16 Oct - 17 Oct	IndiGo
17 Oct - 21 Oct	IndiGo
16 Oct - 17 Oct	IndiGo	direct
27 Oct - 30 Oct	IndiGo
19 Oct - 23 Oct	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 $228

Return flights