Cheapest return flights from Cincinnati to Porto in June from 868€
AirHint found the following cheapest return flights from Cincinnati (CVG) to Porto (OPO) in June 2025 (see full year).
Return flights
| 07 Jun - 22 Jun | Allegiant Air | ||
| 09 Jun - 15 Jun | Air Canada | ||
| 06 Jun - 22 Jun | Allegiant Air |
Also check the deals for one-way flights from Cincinnati to Porto in June.
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.
