Flights from Chicago to Porto from USD 475
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1 Passenger, Economy
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Promo Code
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Flights from Chicago to Porto
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 | 11/01/2026 - 18/01/2026 | From USD 475 Viewed 4 hours ago |
| Chicago (ORD) | Porto (OPO) | Round trip | Economy | 17/04/2026 - 16/05/2026 | From USD 585 Viewed 1 day ago |
| Chicago (ORD) | Porto (OPO) | Round trip | Economy | 17/04/2026 - 17/05/2026 | From USD 585 Viewed 1 day ago |
| Chicago (ORD) | Porto (OPO) | Round trip | Economy | 04/09/2026 - 12/09/2026 | From USD 629 Viewed 1 day ago |
| Chicago (ORD) | Porto (OPO) | Round trip | Economy | 07/08/2026 - 18/08/2026 | From USD 723 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)
11/01/2026 - 18/01/2026
Round trip
Business
From
USD 3,500
Viewed 4 hours ago
Chicago (ORD)to
Porto (OPO)
31/12/2025 - 07/01/2026
Round trip
Business
From
USD 3,850
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.