AirHint found the following cheapest one-way flights from Chiang Mai (CNX) to San Francisco (SFO) in October 2025 (see full year).
One-Way flights
| 31 Oct | Spring Airlines | ||
| 28 Oct | China Airlines | ||
| 29 Oct | Thai Lion Air | ||
| 30 Oct | China Airlines | ||
| 26 Oct | Eastar Jet |
Also check the deals for return flights from Chiang Mai to San Francisco in October.
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