Cheapest return flights from Denver to Madrid in April from $494

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

Return flights

07 Apr - 14 Apr Iberia
22 Apr - 29 Apr Iberia
29 Apr - 12 May British Airways
05 Apr - 14 Apr British Airways
16 Apr - 29 Apr Air Canada
01 Apr - 10 Apr Delta
12 Apr - 19 Apr Iberia
27 Apr - 04 May Iberia
04 Apr - 13 Apr Air Canada
05 Apr - 13 Apr Air Canada
17 Apr - 24 Apr Iberia
17 Apr - 27 Apr British Airways
23 Apr - 03 May KLM
30 Apr - 11 May Air Canada

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

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