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

Return flights

22 Sep - 02 Oct	British Airways	direct
23 Sep - 03 Oct	Air Canada
30 Sep - 10 Oct	Iberia	direct
29 Sep - 09 Oct	Air Canada
29 Sep - 08 Oct	Virgin Atlantic
28 Sep - 08 Oct	Air France
30 Sep - 08 Oct	Air France
22 Sep - 07 Oct	Air Canada
21 Sep - 07 Oct	Air Canada
23 Sep - 07 Oct	Air Canada
24 Sep - 30 Sep	Air France
23 Sep - 30 Sep	Air France
22 Sep - 30 Sep	Air France
25 Sep - 30 Sep	Air France
21 Sep - 29 Sep	Air Canada
22 Sep - 29 Sep	Air Canada
20 Sep - 30 Sep	British Airways
21 Sep - 28 Sep	Air Canada
20 Sep - 28 Sep	Air Canada
15 Sep - 23 Sep	Iberia

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

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 Barcelona in September from $419

Return flights