Cheapest return flights from Washington (IAD) to Madrid (MAD), October

20 dates in October, from $ 365. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
21 Oct 6 Nov Finnair
Direct Flight
28 Oct 6 Nov Finnair
Direct Flight
17 Oct 6 Nov British Airways
17 Oct 6 Nov Finnair
Direct Flight
20 Oct 28 Oct Air Canada
24 Oct 7 Nov Iberia
18 Oct 28 Oct United
19 Oct 28 Oct Delta
22 Oct 29 Oct SWISS
24 Oct 7 Nov Iberia
Direct Flight
17 Oct 31 Oct Air Canada
17 Oct 26 Oct Air Canada
31 Oct 7 Nov American Airlines
Direct Flight
25 Oct 15 Nov SWISS
22 Oct 27 Nov SWISS
30 Oct 7 Nov American Airlines
16 Oct 22 Oct Lufthansa
23 Oct 26 Oct SWISS
24 Oct 31 Oct SWISS
22 Oct 31 Oct SWISS
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Updated Oct 10, 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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