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

Return flights

13 Aug - 10 Sep	Air India
04 Aug - 03 Sep	China Eastern
04 Aug - 29 Aug	China Eastern
31 Aug - 30 Sep	Cathay Pacific
31 Aug - 07 Sep	Cathay Pacific
04 Aug - 09 Sep	China Eastern
29 Aug - 24 Sep	Cathay Pacific

Also check the deals for one-way flights from San Francisco 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 San Francisco to Colombo in August from $788

Return flights