AirHint found the following cheapest one-way flights from San Francisco (SFO) to Porto (OPO) in June 2026 (see full year).
One-Way flights
| 01 Jun | United | ||
| 21 Jun | United | ||
| 22 Jun | United | ||
| 23 Jun | United | ||
| 14 Jun | United | ||
| 03 Jun | Air Canada | ||
| 28 Jun | United | ||
| 29 Jun | United | ||
| 07 Jun | Air Canada | ||
| 16 Jun | Air Canada |
Also check the deals for return flights from San Francisco to Porto in June.
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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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