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

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Dates, airline, and price
Dates	Airline	Price
02 Nov	United
03 Nov	United
04 Nov	United
08 Nov	United
17 Nov	United
18 Nov	United
23 Nov	United
24 Nov	United
25 Nov	United
01 Nov	American Airlines

deals for return flights from Chicago to Porto in November.

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Updated Jul 21, 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), November

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