Cheapest return flights from Dallas-Fort Worth to Lisbon in September from $671
AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Lisbon (LIS) in September 2025 (see full year).
Return flights
| 10 Sep - 17 Sep | Finnair | ||
| 02 Sep - 09 Sep | Finnair | ||
| 13 Sep - 20 Sep | United |
Also check the deals for one-way flights from Dallas-Fort Worth to Lisbon in September.
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.
