Cheapest one-way flights from Washington (IAD) to Madrid (MAD), October

10 dates in October, from $ 296. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
24 Oct TAP
26 Oct Icelandair
20 Oct Virgin Atlantic
19 Oct Air France
18 Oct Delta
23 Oct TAP
19 Oct Iberia
Direct Flight
18 Oct Iberia
Direct Flight
26 Oct Aer Lingus
Direct Flight
28 Oct Aer Lingus
Direct Flight
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Updated Oct 11, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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