Cheapest return flights from Chicago to Lisbon in August from 542€

AirHint found the following cheapest return flights from Chicago (ORD) to Lisbon (LIS) in August 2026 (see full year).

Return flights

05 Aug - 29 Aug Air France
12 Aug - 05 Sep Iberia
13 Aug - 16 Aug United
05 Aug - 29 Aug TAP direct
12 Aug - 05 Sep TAP direct
13 Aug - 16 Aug TAP direct
09 Aug - 14 Aug Scandinavian Airlines
09 Aug - 14 Aug TAP direct

Also check the deals for one-way flights from Chicago to Lisbon in August.

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