Best Flights starting from $910
from$910economy
Portland (PDX)
Mon, Aug 31
Roundtrip
Porto (OPO)
Wed, Sep 16
from$936economy
Portland (PDX)
Sun, Aug 30
Roundtrip
Porto (OPO)
Tue, Sep 15
from$950economy
Portland (PDX)
Sat, Aug 29
Roundtrip
Porto (OPO)
Mon, Sep 14
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Other Options for This Route
Other Destinations
Portland (PDX) to Las Vegas (LAS) in August from $122
From $122
Portland (PDX) to Detroit (DTW) in August from $125
From $125
Portland (PDX) to Washington, D.C. (IAD) in August from $125
From $125
Portland (PDX) to Washington, D.C. (DCA) in August from $131
From $131
Portland (PDX) to Kansas City (MCI) in August from $135
From $135
Portland (PDX) to Ontario (ONT) in August from $175
From $175
Flights from Other Cities
Boston (BOS) to Porto (OPO) in August from $615
From $615
Newark (EWR) to Porto (OPO) in August from $664
From $664
Halifax (YHZ) to Porto (OPO) in August from $702
From $702
Boston (BOS) to Porto (OPO) in September from $370
From $370
Tel Aviv (TLV) to Porto (OPO) in September from $495
From $495
Toronto (Any) to Porto (OPO) in September from $601
From $601