AirHint found the following cheapest return flights from Miami (MIA) to Barcelona (BCN) in October 2025 (see full year).

Return flights

19 Oct - 24 Oct	LEVEL	direct
05 Oct - 10 Oct	LEVEL	direct
15 Oct - 22 Oct	LEVEL	direct
25 Oct - 16 Nov	TAP
24 Oct - 31 Oct	TAP
30 Oct - 13 Nov	TAP
23 Oct - 31 Oct	TAP
29 Oct - 14 Nov	TAP
17 Oct - 31 Oct	TAP
21 Oct - 31 Oct	TAP
24 Oct - 29 Oct	Iberia	direct
08 Oct - 22 Oct	LEVEL	direct
10 Oct - 24 Oct	LEVEL	direct
22 Oct - 12 Nov	Iberia	direct
22 Oct - 09 Nov	Iberia	direct
27 Oct - 06 Nov	TAP
29 Oct - 06 Nov	TAP
29 Oct - 12 Nov	TAP
29 Oct - 14 Nov	Iberia	direct
31 Oct - 14 Nov	Iberia

Also check the deals for one-way flights from Miami 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 Miami to Barcelona in October from $344

Return flights