Flights to Tras-os-Montes from Chicago - ￥51,260

View ￥51,260 flight on Mon, Sep 1, 2025Opens in a new window

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Cheap Flights from Chicago to Tras-os-Montes (CHI-OPO)

Prices were available within the past 7 days and start at ￥51,260 for one-way flights and ￥138,870 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Mon, Sep 1 - Sat, Sep 6
ORD
Chicago
OPO
Porto
￥138,870 Roundtrip, found 4 days ago
￥138,870
Roundtrip
found 4 days ago
Select British Airways flight, departing Mon, Sep 1 from Chicago to Porto, returning Sat, Sep 6, priced at ￥138,870 found 4 days ago
Iberia
Mon, Sep 1 - Sat, Sep 6
ORD
Chicago
OPO
Porto
￥139,160 Roundtrip, found 4 days ago
￥139,160
Roundtrip
found 4 days ago
Select Iberia flight, departing Mon, Sep 1 from Chicago to Porto, returning Sat, Sep 6, priced at ￥139,160 found 4 days ago
Iberia
Mon, Sep 1 - Sat, Sep 6
ORD
Chicago
OPO
Porto
￥140,330 Roundtrip, found 4 days ago
￥140,330
Roundtrip
found 4 days ago
Select Iberia flight, departing Mon, Sep 1 from Chicago to Porto, returning Sat, Sep 6, priced at ￥140,330 found 4 days ago
Air Canada
Mon, Sep 1 - Sat, Sep 6
ORD
Chicago
OPO
Porto
￥161,710 Roundtrip, found 4 days ago
￥161,710
Roundtrip
found 4 days ago
Select Air Canada flight, departing Mon, Sep 1 from Chicago to Porto, returning Sat, Sep 6, priced at ￥161,710 found 4 days ago
United
Mon, Sep 1 - Sat, Sep 6
ORD
Chicago
OPO
Porto
￥162,530 Roundtrip, found 4 days ago
￥162,530
Roundtrip
found 4 days ago
Select United flight, departing Mon, Sep 1 from Chicago to Porto, returning Sat, Sep 6, priced at ￥162,530 found 4 days ago
Brussels Airlines
Mon, Sep 1 - Sat, Sep 6
ORD
Chicago
OPO
Porto
￥359,530 Roundtrip, found 4 days ago
￥359,530
Roundtrip
found 4 days ago
Select Brussels Airlines flight, departing Mon, Sep 1 from Chicago to Porto, returning Sat, Sep 6, priced at ￥359,530 found 4 days ago
*Available to Expedia members.