Cheapest return flights from Chicago to Lisbon in August from 523€

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

Return flights

23 Aug - 03 Sep Turkish Airlines
31 Aug - 30 Sep Turkish Airlines
29 Aug - 30 Sep Scandinavian Airlines
30 Aug - 30 Sep Scandinavian Airlines
08 Aug - 19 Aug Air Canada
16 Aug - 23 Aug KLM
16 Aug - 30 Aug Aer Lingus
26 Aug - 06 Sep Scandinavian Airlines
14 Aug - 23 Aug Aer Lingus
15 Aug - 23 Aug Aer Lingus
31 Aug - 06 Sep Air France
30 Aug - 30 Sep TAP direct
08 Aug - 16 Aug Delta
29 Aug - 30 Sep TAP direct
23 Aug - 03 Sep TAP direct
16 Aug - 30 Aug TAP direct
06 Aug - 14 Aug United
05 Aug - 12 Aug TAP direct
26 Aug - 06 Sep TAP direct
16 Aug - 23 Aug TAP direct

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

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