AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Lisbon (LIS) in August 2026 (see full year).
Return flights
| 16 Aug - 01 Sep | Air Canada | ||
| 11 Aug - 27 Aug | Iberia | ||
| 20 Aug - 30 Aug | Finnair |
Also check the deals for one-way flights from Dallas-Fort Worth to Lisbon in August.
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