Cheapest one-way flights from Washington to Madrid in October from $272

AirHint found the following cheapest one-way flights from Washington (IAD) to Madrid (MAD) in October 2025 (see full year).

One-Way flights

28 Oct Icelandair
06 Oct Icelandair
01 Oct Icelandair
02 Oct Icelandair
15 Oct TAP
06 Oct Iberia direct
01 Oct American Airlines direct
28 Oct American Airlines direct
15 Oct American Airlines direct
02 Oct Finnair direct

Also check the deals for return flights from Washington to Madrid in October.

Skyscanner

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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