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

Return flights

18 Dec - 19 Dec	IndiGo
18 Dec - 20 Dec	IndiGo
18 Dec - 26 Dec	IndiGo	direct
18 Dec - 31 Dec	IndiGo	direct
18 Dec - 22 Dec	IndiGo
18 Dec - 14 Jan	IndiGo
18 Dec - 20 Jan	IndiGo
18 Dec - 19 Dec	IndiGo	direct
18 Dec - 30 Dec	IndiGo	direct
18 Dec - 28 Dec	IndiGo	direct
18 Dec - 20 Dec	IndiGo	direct
18 Dec - 21 Dec	IndiGo
18 Dec - 20 Jan	IndiGo	direct
18 Dec - 14 Jan	IndiGo	direct
31 Dec - 31 Jan	IndiGo
31 Dec - 06 Jan	SriLankan Airlines	direct
31 Dec - 31 Jan	SriLankan Airlines	direct
31 Dec - 09 Jan	SriLankan Airlines	direct
30 Dec - 05 Jan	IndiGo
22 Dec - 06 Jan	IndiGo

Also check the deals for one-way flights from Mumbai to Colombo in December.

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 December from 215€

Return flights