Cheapest return flights from Portland to Lisbon in January from $483

AirHint found the following cheapest return flights from Portland (PDX) to Lisbon (LIS) in January 2026 (see full year).

Return flights

10 Jan - 31 Jan Air Canada
23 Jan - 28 Jan Delta
17 Jan - 24 Jan Air France
11 Jan - 31 Jan Air Canada
20 Jan - 27 Jan United
02 Jan - 09 Jan Virgin Atlantic

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

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