AirHint found the following cheapest return flights from Las Vegas (LAS) to Lisbon (LIS) in January 2026 (see full year).
Return flights
| 25 Jan - 02 Feb | Lufthansa | ||
| 22 Jan - 29 Jan | Delta | ||
| 19 Jan - 26 Jan | Air France | ||
| 08 Jan - 15 Jan | Air Canada | ||
| 16 Jan - 23 Jan | Air Canada | ||
| 18 Jan - 31 Jan | United |
Also check the deals for one-way flights from Las Vegas to Lisbon in January.
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