Cheapest return flights from Dallas-Fort Worth to Lisbon in December from 361€

AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Lisbon (LIS) in December 2025 (see full year).

Return flights

09 Dec - 16 Dec Brussels Airlines
01 Dec - 12 Dec Air France
02 Dec - 14 Dec Brussels Airlines
05 Dec - 12 Dec Brussels Airlines
01 Dec - 07 Dec Delta
11 Dec - 18 Dec United
13 Dec - 13 Jan Finnair
13 Dec - 12 Jan Finnair
09 Dec - 13 Dec United
30 Dec - 08 Jan Finnair
23 Dec - 04 Jan Frontier Airlines
22 Dec - 29 Dec Finnair
16 Dec - 30 Dec Air Canada
19 Dec - 31 Dec Spirit Airlines
29 Dec - 02 Jan Finnair

Also check the deals for one-way flights from Dallas-Fort Worth to Lisbon in December.

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