Cheapest return flights from Dallas-Fort Worth to Lisbon in December from $513

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 Finnair
10 Dec - 17 Dec Air France
15 Dec - 22 Dec Air Canada
31 Dec - 07 Jan United
01 Dec - 08 Dec United
05 Dec - 12 Dec Air Canada
11 Dec - 18 Dec United
06 Dec - 13 Dec Air Canada
29 Dec - 03 Jan Air Canada
21 Dec - 28 Dec United

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

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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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