Cheapest return flights from Dallas-Fort Worth to Lisbon in August from $525

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

Return flights

20 Aug - 28 Aug Iberia
10 Aug - 26 Aug American Airlines
11 Aug - 27 Aug American Airlines
16 Aug - 01 Sep American Airlines
17 Aug - 02 Sep American Airlines
18 Aug - 03 Sep American Airlines
19 Aug - 04 Sep American Airlines
02 Aug - 18 Aug Finnair
09 Aug - 25 Aug Finnair
04 Aug - 20 Aug Delta
05 Aug - 21 Aug Finnair
03 Aug - 19 Aug Finnair
08 Aug - 24 Aug Finnair
15 Aug - 31 Aug Finnair
20 Aug - 05 Sep Air Canada
28 Aug - 05 Sep Iberia
23 Aug - 08 Sep American Airlines
24 Aug - 09 Sep American Airlines
25 Aug - 10 Sep American Airlines
26 Aug - 11 Sep American Airlines

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

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