Cheapest return flights from Chicago to Porto in April from 528€

Best time to book flights for Chicago (ORD) to Porto (OPO) flights at AirHint

AirHint found the following cheapest return flights from Chicago (ORD) to Porto (OPO) in April 2025 (see full year).

Return flights

20 Apr - 27 Apr TAP
11 Apr - 14 Apr Turkish Airlines
12 Apr - 19 Apr Turkish Airlines

Also check the deals for one-way flights from Chicago to Porto in April.

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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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