Cheapest return flights from Dallas-Fort Worth to Lisbon in September from $527

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

Return flights

30 Sep - 16 Oct Delta
28 Sep - 14 Oct British Airways
24 Sep - 03 Oct Turkish Airlines
23 Sep - 30 Sep Air France
22 Sep - 08 Oct Delta
23 Sep - 09 Oct Delta
21 Sep - 07 Oct Delta
24 Sep - 29 Sep Air France
22 Sep - 25 Oct Turkish Airlines
25 Sep - 11 Oct British Airways
20 Sep - 11 Oct Air France
20 Sep - 06 Oct Delta

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

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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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