AirHint found the following cheapest return flights from Pittsburgh (PIT) to Lisbon (LIS) in January 2026 (see full year).
Return flights
| 25 Jan - 10 Feb | SWISS | ||
| 31 Jan - 06 Feb | TAP | ||
| 26 Jan - 31 Jan | British Airways |
Also check the deals for one-way flights from Pittsburgh to Lisbon in January.
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