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Cheapest one-way flights from Chicago (ORD) to Lisbon (LIS), September

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Dates, airline, and price
Dates	Airline	Price
28 Sep	Icelandair
27 Sep	Icelandair
26 Sep	Icelandair
06 Sep	Icelandair
16 Sep	Icelandair
03 Sep	jetBlue
06 Sep	TAP Direct Flight
13 Sep	TAP Direct Flight
27 Sep	TAP Direct Flight
26 Sep	TAP Direct Flight

deals for return flights from Chicago to Lisbon in September.

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Updated Jul 25, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Chicago (ORD) to Lisbon (LIS), September

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