AirHint found the following cheapest return flights from Santiago (SCL) to Porto (OPO) in May 2026 (see full year).
Return flights
| 25 May - 26 Jun | LATAM Airlines Group | ||
| 04 May - 07 May | Avianca | ||
| 06 May - 11 May | Avianca |
Also check the deals for one-way flights from Santiago to Porto in May.
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