Cheapest return flights from Dallas-Fort Worth to Lisbon in September from $561

AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Lisbon (LIS) in September 2026 (see full year).

Return flights

22 Sep - 08 Oct American Airlines
23 Sep - 09 Oct American Airlines
29 Sep - 15 Oct American Airlines
21 Sep - 07 Oct Iberia
28 Sep - 14 Oct Iberia
25 Sep - 02 Oct British Airways
20 Sep - 06 Oct Delta
26 Sep - 12 Oct Finnair
27 Sep - 13 Oct Iberia
30 Sep - 16 Oct Iberia
18 Sep - 25 Sep British Airways
08 Sep - 15 Sep British Airways
01 Sep - 17 Sep American Airlines
02 Sep - 18 Sep American Airlines
07 Sep - 23 Sep American Airlines
08 Sep - 24 Sep American Airlines
04 Sep - 15 Sep American Airlines
14 Sep - 30 Sep Finnair
06 Sep - 22 Sep Finnair
13 Sep - 29 Sep Finnair

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

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