Cheapest return flights from Chicago (ORD) to Lisbon (LIS), August

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
18 Aug 22 Aug Scandinavian Airlines
31 Aug 06 Sep Icelandair
23 Aug 03 Sep Icelandair
21 Aug 05 Sep Icelandair
24 Aug 02 Sep Scandinavian Airlines
16 Aug 31 Aug Icelandair
27 Aug 09 Sep Scandinavian Airlines
11 Aug 31 Aug Icelandair
16 Aug 26 Aug Icelandair
26 Aug 08 Sep Icelandair
19 Aug 26 Aug Scandinavian Airlines
19 Aug 22 Aug Scandinavian Airlines
17 Aug 26 Aug Icelandair
23 Aug 03 Sep TAP
Direct Flight
11 Aug 21 Aug Icelandair
26 Aug 03 Sep Icelandair
09 Aug 29 Aug TAP
Direct Flight
13 Aug 26 Aug TAP
Direct Flight
26 Aug 04 Sep Icelandair
26 Aug 04 Sep TAP
Direct Flight
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deals for one-way flights from Chicago to Lisbon in August.

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Updated Jul 7, 2026.

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