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

Return flights

07 Oct - 14 Oct	Frontier Airlines
28 Oct - 04 Nov	Frontier Airlines
29 Oct - 05 Nov	Frontier Airlines
20 Oct - 27 Oct	Frontier Airlines
30 Oct - 06 Nov	Frontier Airlines
08 Oct - 15 Oct	Frontier Airlines
17 Oct - 24 Oct	Spirit Airlines
01 Oct - 08 Oct	Air Canada
15 Oct - 22 Oct	Air Canada
21 Oct - 28 Oct	Frontier Airlines
14 Oct - 21 Oct	Air Canada
25 Oct - 01 Nov	Frontier Airlines
19 Oct - 26 Oct	Spirit Airlines
22 Oct - 29 Oct	Frontier Airlines
24 Oct - 01 Nov	Spirit Airlines
27 Oct - 03 Nov	Frontier Airlines
26 Oct - 02 Nov	Spirit Airlines
31 Oct - 07 Nov	Air Canada

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

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 October from 387€

Return flights