Cheapest return flights from Chicago to Lisbon in July from $1111

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

Return flights

15 Jul - 28 Jul Porter Airlines (Canada) Ltd
29 Jul - 05 Aug Porter Airlines (Canada) Ltd
22 Jul - 29 Jul Delta
15 Jul - 22 Jul Air Transat
28 Jul - 04 Aug Porter Airlines (Canada) Ltd
11 Jul - 17 Jul Porter Airlines (Canada) Ltd
01 Jul - 08 Jul Delta
27 Jul - 03 Aug Porter Airlines (Canada) Ltd
05 Jul - 12 Jul Delta
27 Jul - 31 Jul Delta
30 Jul - 06 Aug Delta

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

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