Cheapest return flights from Milwaukee to Porto in January from $648

Best time to book flights for Milwaukee (MKE) to Porto (OPO) flights at AirHint

AirHint found the following cheapest return flights from Milwaukee (MKE) to Porto (OPO) in January 2025 (see full year).

Return flights

21 Jan - 27 Jan Lufthansa

Also check the deals for one-way flights from Milwaukee to Porto in January.

Skyscanner

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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