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Flights from Chicago to Porto from USD 583
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1 Passenger, Economy
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Flights from Chicago to Porto
Discover the cheapest day and month to travel
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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 - 09/12/2026 | From USD 583 Viewed 4 hours ago | |
| Chicago (ORD) | Porto (OPO) | Round trip | Economy | 29/03/2027 - 06/04/2027 | From USD 970 Viewed 9 hours ago | |
| Chicago (ORD) | Porto (OPO) | Round trip | Economy | 11/12/2026 - 05/01/2027 | From USD 973 Viewed 9 hours ago | |
| Chicago (ORD) | Porto (OPO) | Round trip | Economy | 29/01/2027 - 06/02/2027 | From USD 583 Viewed 1 day ago | |
| Chicago (ORD) | Porto (OPO) | Round trip | Economy | 16/04/2027 - 25/04/2027 | From USD 806 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)
29/11/2026 - 09/12/2026
Round trip
Business
From
USD 4,299
Viewed 4 hours ago
Chicago (ORD)to
Porto (OPO)
11/12/2026 - 05/01/2027
Round trip
Business
From
USD 4,299
Viewed 9 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.