Cheapest return flights from Portland to Lisbon in November from $607

AirHint found the following cheapest return flights from Portland (PDX) to Lisbon (LIS) in November 2025 (see full year).

Return flights

19 Nov - 23 Nov Delta
16 Nov - 23 Nov KLM
15 Nov - 23 Nov Air France
27 Nov - 20 Dec Air Canada
20 Nov - 23 Nov Delta
22 Nov - 30 Nov Alaska Airlines
16 Nov - 30 Nov Frontier Airlines
15 Nov - 30 Nov Frontier Airlines
15 Nov - 29 Nov Frontier Airlines

Also check the deals for one-way flights from Portland to Lisbon in November.

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