AirHint found the following cheapest return flights from Dallas (DAL) to Lisbon (LIS) in February 2026 (see full year).
Return flights
| 01 Feb - 11 Feb | KLM | ||
| 10 Feb - 24 Feb | Delta | ||
| 10 Feb - 07 Mar | KLM | ||
| 09 Feb - 07 Mar | KLM | ||
| 14 Feb - 25 Feb | Delta | ||
| 18 Feb - 14 Mar | KLM | ||
| 21 Feb - 01 Mar | KLM | ||
| 24 Feb - 21 Mar | KLM |
Also check the deals for one-way flights from Dallas to Lisbon in February.
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