AirHint found the following cheapest return flights from Orlando (ORL) to Porto (OPO) in September 2025 (see full year).
Return flights
| 29 Sep - 07 Oct | Norse Atlantic Airways (UK) | ||
| 15 Sep - 22 Sep | Norse Atlantic Airways (UK) | ||
| 25 Sep - 28 Sep | Delta |
Also check the deals for one-way flights from Orlando to Porto in September.
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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