AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Porto (OPO) in October 2025 (see full year).
Return flights
| 02 Oct - 09 Oct | Frontier Airlines | ||
| 01 Oct - 17 Oct | American Airlines | ||
| 01 Oct - 12 Oct | Delta |
Also check the deals for one-way flights from Dallas-Fort Worth to Porto in October.
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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