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

Return flights

20 Aug - 28 Aug	Air India
29 Aug - 01 Sep	Air India
21 Aug - 26 Aug	Air India
07 Aug - 14 Aug	Air India
08 Aug - 15 Aug	Air India
28 Aug - 01 Sep	Air India
21 Aug - 30 Aug	Air India
22 Aug - 30 Aug	Air India
07 Aug - 09 Aug	Air India
16 Aug - 22 Aug	Air India
09 Aug - 24 Aug	Air India
09 Aug - 23 Aug	Air India
29 Aug - 01 Sep	Air India	direct
28 Aug - 01 Sep	Air India	direct
30 Aug - 07 Sep	Air India	direct
28 Aug - 06 Sep	Air India	direct
30 Aug - 03 Sep	Air India	direct
30 Aug - 05 Sep	Air India	direct
27 Aug - 01 Sep	Air India	direct
26 Aug - 01 Sep	Air India	direct

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

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 August from 173€

Return flights