AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Lisbon (LIS) in July 2025 (see full year).

Return flights

27 Jul - 12 Aug	American Airlines
29 Jul - 14 Aug	American Airlines
29 Jul - 12 Aug	United
30 Jul - 15 Aug	American Airlines
09 Jul - 16 Jul	Air Canada
07 Jul - 23 Jul	Iberia
23 Jul - 13 Aug	Air France
08 Jul - 15 Jul	Air Canada
29 Jul - 05 Aug	United
16 Jul - 22 Jul	United
19 Jul - 23 Jul	Air France
28 Jul - 13 Aug	Delta
12 Jul - 19 Jul	Iberia
06 Jul - 22 Jul	Delta
21 Jul - 06 Aug	Delta
30 Jul - 06 Aug	Air France
23 Jul - 08 Aug	Delta
13 Jul - 29 Jul	Delta
12 Jul - 28 Jul	Air Canada
20 Jul - 30 Jul	Delta

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

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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Cheapest return flights from Dallas-Fort Worth to Lisbon in July from $706

Return flights