AirHint found the following cheapest return flights from San Francisco (SFO) to Porto (OPO) in June 2026 (see full year).
Return flights
| 28 Jun - 02 Jul | Air Canada | ||
| 14 Jun - 28 Jun | Air Canada | ||
| 25 Jun - 02 Jul | TAP |
Also check the deals for one-way flights from San Francisco to Porto in June.
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