Cheapest return flights from Chicago to Porto in June from 807€

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 June 2025 (see full year).

Return flights

25 Jun - 02 Jul United
26 Jun - 03 Jul American Airlines
10 Jun - 24 Jun United
27 Jun - 04 Jul United
04 Jun - 09 Jun United
10 Jun - 21 Jun United
12 Jun - 14 Jun TAP
28 Jun - 05 Jul TAP
13 Jun - 14 Jun SWISS
14 Jun - 15 Jun SWISS
13 Jun - 15 Jun TAP

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

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.

Book a cheap hotel in Porto

Cheap car rent in Porto