Cheapest return flights from Washington to Madrid in March from 351€

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

Return flights

03 Mar - 09 Mar TAP
11 Mar - 23 Mar TAP
03 Mar - 12 Mar TAP
08 Mar - 17 Mar TAP
11 Mar - 16 Mar TAP
02 Mar - 08 Mar TAP
18 Mar - 23 Mar TAP
02 Mar - 09 Mar TAP
04 Mar - 11 Mar TAP
11 Mar - 18 Mar TAP
15 Mar - 15 Apr TAP
23 Mar - 07 Apr Austrian Airlines
31 Mar - 07 Apr SWISS
29 Mar - 09 Apr Aer Lingus
28 Mar - 08 Apr Air Canada
29 Mar - 10 Apr Air Canada
30 Mar - 06 Apr SWISS
31 Mar - 06 Apr SWISS
26 Mar - 08 Apr Air Canada
29 Mar - 10 Apr British Airways direct

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

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