Cheapest return flights from Dallas-Fort Worth to Lisbon in September from $552

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

Return flights

16 Sep - 02 Oct Air Canada
19 Sep - 05 Oct Air Canada
18 Sep - 04 Oct British Airways
01 Sep - 17 Sep American Airlines
02 Sep - 18 Sep American Airlines
06 Sep - 22 Sep American Airlines
07 Sep - 23 Sep American Airlines
09 Sep - 25 Sep American Airlines
13 Sep - 29 Sep Finnair
14 Sep - 30 Sep Finnair
05 Sep - 21 Sep Finnair
03 Sep - 19 Sep American Airlines
10 Sep - 26 Sep Air Canada

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

Powered by

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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Feel free to contact us with any feedback or request another flight research.