AirHint found the following cheapest one-way flights from Dallas-Fort Worth (DFW) to Lisbon (LIS) in September 2025 (see full year).
One-Way flights
| 30 Sep | Frontier Airlines | ||
| 06 Sep | Frontier Airlines | ||
| 07 Sep | Frontier Airlines | ||
| 20 Sep | Air Canada | ||
| 18 Sep | British Airways | ||
| 05 Sep | Spirit Airlines | ||
| 01 Sep | Frontier Airlines | ||
| 03 Sep | Frontier Airlines |
Also check the deals for return 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.
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