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Flights from Chicago to Porto from USD 728
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1 Passenger, Economy
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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 | 29/11/2026 - 11/12/2026 | From USD 728 Viewed 7 hours ago |
| Chicago (ORD) | Porto (OPO) | Round trip | Economy | 27/11/2026 - 11/12/2026 | From USD 749 Viewed 1 hour ago |
| Chicago (ORD) | Porto (OPO) | Round trip | Economy | 30/08/2026 - 08/09/2026 | From USD 788 Viewed 1 day ago |
| Chicago (ORD) | Porto (OPO) | Round trip | Economy | 25/11/2026 - 09/12/2026 | From USD 789 Viewed 1 hour ago |
| Chicago (ORD) | Porto (OPO) | Round trip | Economy | 13/09/2026 - 22/09/2026 | From USD 833 Viewed 4 hours 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)
15/07/2026 - 31/07/2026
Round trip
Business
From
USD 4,300
Viewed 5 hours ago
Chicago (ORD)to
Porto (OPO)
30/08/2026 - 08/09/2026
Round trip
Business
From
USD 4,650
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.