AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Lisbon (LIS) in July 2026 (see full year).

Return flights

19 Jul - 04 Aug	Finnair
13 Jul - 29 Jul	Air Canada
27 Jul - 12 Aug	Air Canada
05 Jul - 21 Jul	Air Canada
06 Jul - 22 Jul	Air Canada
16 Jul - 01 Aug	Finnair
21 Jul - 06 Aug	Iberia
22 Jul - 07 Aug	Air Canada
09 Jul - 25 Jul	Air Canada
08 Jul - 24 Jul	Air Canada
14 Jul - 30 Jul	Air Canada
01 Jul - 17 Jul	Air Canada
03 Jul - 19 Jul	Delta
17 Jul - 02 Aug	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 $722

Return flights