AirHint found the following cheapest return flights from San Francisco (SFO) to Colombo (CMB) in December 2025 (see full year).
Return flights
| 27 Dec - 15 Jan | Cathay Pacific | ||
| 12 Dec - 19 Dec | SWISS | ||
| 12 Dec - 29 Dec | SriLankan Airlines | ||
| 06 Dec - 03 Jan | Zipair | ||
| 05 Dec - 03 Jan | Korean Air | ||
| 13 Dec - 04 Jan | Hawaiian Airlines |
Also check the deals for one-way flights from San Francisco to Colombo in December.
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