Cheapest return flights from Washington to Madrid in October from $516

AirHint found the following cheapest return flights from Washington (IAD) to Madrid (MAD) in October 2026 (see full year).

Return flights

02 Oct - 06 Oct Royal Air Maroc
06 Oct - 13 Oct British Airways
06 Oct - 13 Oct Finnair direct
15 Oct - 29 Oct TAP
02 Oct - 12 Oct Royal Air Maroc
01 Oct - 08 Oct British Airways
02 Oct - 06 Oct Iberia direct
01 Oct - 08 Oct Finnair direct
15 Oct - 29 Oct Finnair direct
08 Oct - 17 Oct TAP

Also check the deals for one-way flights from Washington to Madrid in October.

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