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

Return flights

29 Oct - 26 Nov	TAP
20 Oct - 18 Nov	TAP
29 Oct - 16 Nov	Iberia For Level	direct
29 Oct - 26 Nov	Iberia For Level	direct
20 Oct - 15 Nov	TAP
28 Oct - 25 Nov	TAP
21 Oct - 29 Oct	TAP
23 Oct - 15 Nov	TAP
20 Oct - 05 Nov	TAP
27 Oct - 22 Nov	TAP
27 Oct - 25 Nov	TAP
22 Oct - 29 Oct	TAP
19 Oct - 30 Oct	TAP
19 Oct - 24 Oct	Iberia	direct
19 Oct - 31 Oct	TAP
01 Oct - 15 Oct	Frontier Airlines
24 Oct - 31 Oct	TAP
01 Oct - 08 Oct	American Airlines
15 Oct - 29 Oct	TAP
08 Oct - 15 Oct	Spirit Airlines

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 $368

Return flights