Cheapest return flights from Washington to Madrid in May from $629

Best time to book flights for Washington (DCA) to Madrid (MAD) flights at AirHint

AirHint found the following cheapest return flights from Washington (DCA) to Madrid (MAD) in May 2025 (see full year).

Return flights

06 May - 13 May United
05 May - 13 May Air Canada
05 May - 14 May Air Canada
12 May - 20 May Air Canada
05 May - 15 May Air Canada
11 May - 23 May Air Canada
02 May - 13 May Air Canada
05 May - 12 May Air Canada
11 May - 18 May Air Canada
05 May - 18 May Air Canada
20 May - 04 Jun Air Canada
20 May - 03 Jun British Airways
14 May - 18 Jun Air Canada
11 May - 22 Jun Air Canada
21 May - 04 Jun British Airways
21 May - 11 Jun British Airways
29 May - 10 Jun Air Canada
30 May - 17 Jun jetBlue
23 May - 12 Jun British Airways

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

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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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