AirHint found the following cheapest one-way flights from Dallas-Fort Worth (DFW) to Lisbon (LIS) in May 2026 (see full year).
One-Way flights
| 04 May | United | ||
| 18 May | Frontier Airlines | ||
| 23 May | Spirit Airlines | ||
| 28 May | Frontier Airlines | ||
| 12 May | Frontier Airlines | ||
| 17 May | Frontier Airlines | ||
| 25 May | Frontier Airlines | ||
| 10 May | Delta |
Also check the deals for return flights from Dallas-Fort Worth to Lisbon in May.
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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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