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Cheapest one-way flights from Chicago (ORD) to Porto (OPO), January

Select a price to book. see full year.

Dates, airline, and price
Dates	Airline	Price
12 Jan	Delta
10 Jan	United
11 Jan	United
13 Jan	Lufthansa
08 Jan	Delta
15 Jan	Delta
14 Jan	Lufthansa
07 Jan	United
09 Jan	American Airlines

deals for return flights from Chicago to Porto in January.

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Updated Jul 20, 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 Porto (OPO), January

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