Cheapest return flights from Madrid to Washington in April from $530

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

Return flights

01 Apr - 18 Apr KLM
08 Apr - 14 Apr British Airways

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

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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