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

Return flights

22 Jul - 07 Aug	Finnair
28 Jul - 13 Aug	Finnair
29 Jul - 14 Aug	Finnair
21 Jul - 06 Aug	Finnair
27 Jul - 12 Aug	Finnair
26 Jul - 11 Aug	American Airlines
19 Jul - 04 Aug	Finnair
25 Jul - 10 Aug	Iberia
31 Jul - 16 Aug	Finnair
24 Jul - 09 Aug	Finnair
05 Jul - 21 Jul	Finnair
12 Jul - 28 Jul	Finnair
01 Jul - 17 Jul	Finnair
06 Jul - 22 Jul	Finnair
07 Jul - 23 Jul	Finnair
13 Jul - 29 Jul	American Airlines
06 Jul - 13 Jul	Finnair
07 Jul - 14 Jul	Finnair
15 Jul - 29 Jul	Finnair
02 Jul - 09 Jul	Finnair

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 $610

Return flights