AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Lisbon (LIS) in December 2025 (see full year).
Return flights
| 08 Dec - 15 Dec | United | ||
| 24 Dec - 31 Dec | United | ||
| 18 Dec - 25 Dec | United | ||
| 26 Dec - 04 Jan | United | ||
| 28 Dec - 04 Jan | United |
Also check the deals for one-way flights from Dallas-Fort Worth to Lisbon in December.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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