Cheapest return flights from Dallas-Fort Worth to Lisbon in September from $503

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

Return flights

20 Sep - 06 Oct Finnair
27 Sep - 13 Oct Finnair
22 Sep - 08 Oct Air Canada
28 Sep - 14 Oct Air Canada
29 Sep - 15 Oct Air Canada
30 Sep - 16 Oct Air Canada
21 Sep - 07 Oct Air Canada
23 Sep - 09 Oct Air Canada
16 Sep - 02 Oct Air Canada
19 Sep - 05 Oct Air Canada
01 Sep - 17 Sep Iberia
07 Sep - 23 Sep Iberia
13 Sep - 29 Sep Finnair
02 Sep - 18 Sep Finnair
14 Sep - 30 Sep Air Canada
09 Sep - 25 Sep Iberia
05 Sep - 21 Sep Finnair
03 Sep - 19 Sep American Airlines
10 Sep - 26 Sep Iberia
12 Sep - 28 Sep Iberia

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

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