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Flights from Chicago to Porto from USD 644
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1 Passenger, Economy
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Promo Code
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Flights from Chicago to Porto
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Best Flight Deals from Chicago to Porto
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USD
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Chicago (ORD) | Porto (OPO) | Round trip | Economy | 20/08/2026 - 04/09/2026 | From USD 648 Viewed 5 hours ago | |
| Chicago (ORD) | Porto (OPO) | Round trip | Economy | 01/10/2026 - 20/10/2026 | From USD 648 Viewed 23 hours ago | |
| Chicago (ORD) | Porto (OPO) | Round trip | Economy | 25/12/2026 - 09/01/2027 | From USD 648 Viewed 1 day ago | |
| Chicago (ORD) | Porto (OPO) | Round trip | Economy | 25/12/2026 - 01/01/2027 | From USD 790 Viewed 23 hours ago | |
| Chicago (ORD) | Porto (OPO) | Round trip | Economy | 19/08/2026 - 30/08/2026 | From USD 644 Viewed 1 day ago |
*The fares shown have been updated in the last 48 hours and may no longer be available at the time of booking. Additional fees and charges may apply for optional products and services.
Business Flights Deals
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flight_land
USD
Chicago (ORD)to
Porto (OPO)
20/08/2026 - 04/09/2026
Round trip
Business
From
USD 3,949
Viewed 5 hours ago
Chicago (ORD)to
Porto (OPO)
19/08/2026 - 30/08/2026
Round trip
Business
From
USD 4,295
Viewed 1 day ago
*The fares shown have been updated in the last 48 hours and may no longer be available at the time of booking. Additional fees and charges may apply for optional products and services.