AirHint found the following cheapest one-way flights from San Francisco (SFO) to Mexico City (MEX) in May 2026 (see full year).
One-Way flights
| 30 May | Delta | direct | |
| 13 May | Delta | direct | |
| 01 May | Delta | direct | |
| 26 May | Delta | direct | |
| 17 May | Delta | direct | |
| 18 May | Delta | direct |
Also check the deals for return flights from San Francisco to Mexico City in May.
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