Cheapest return flights from Dallas-Fort Worth to Lisbon in September from 498€

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

Return flights

26 Sep - 15 Oct Finnair
23 Sep - 09 Oct Delta
22 Sep - 08 Oct Delta
24 Sep - 10 Oct Delta
28 Sep - 14 Oct Delta
29 Sep - 15 Oct Delta
28 Sep - 05 Oct Iberia
21 Sep - 07 Oct Delta
02 Sep - 16 Sep Frontier Airlines
17 Sep - 21 Sep Air France
27 Sep - 13 Oct Delta
16 Sep - 23 Sep Spirit Airlines
20 Sep - 06 Oct Delta
12 Sep - 24 Sep Spirit Airlines
01 Sep - 17 Sep Air Canada
08 Sep - 24 Sep Air Canada
09 Sep - 25 Sep Air Canada
02 Sep - 18 Sep Air Canada
14 Sep - 30 Sep Delta
06 Sep - 22 Sep Air Canada

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

Skyscanner

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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