Flights from Chicago to Porto from USD 549
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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 | 29/04/2026 - 06/05/2026 | From USD 682 Viewed 15 hours ago |
| Chicago (ORD) | Porto (OPO) | Round trip | Economy | 03/09/2026 - 09/09/2026 | From USD 719 Viewed 5 hours ago |
| Chicago (ORD) | Porto (OPO) | Round trip | Economy | 13/09/2026 - 30/09/2026 | From USD 744 Viewed 6 hours ago |
| Chicago (ORD) | Porto (OPO) | Round trip | Economy | 16/05/2026 - 22/05/2026 | From USD 777 Viewed 1 day ago |
| Chicago (ORD) | Porto (OPO) | Round trip | Economy | 07/10/2026 - 11/10/2026 | From USD 819 Viewed 12 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)
22/03/2026 - 31/03/2026
Round trip
Business
From
USD 4,301
Viewed 10 hours ago
Chicago (ORD)to
Porto (OPO)
27/05/2026 - 11/06/2026
Round trip
Business
From
USD 4,889
Viewed 5 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.