Cheapest return flights from Denver to Madrid in March from $561

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

Return flights

31 Mar - 23 Apr British Airways
02 Mar - 09 Mar British Airways
07 Mar - 11 Mar Turkish Airlines
01 Mar - 07 Mar British Airways
10 Mar - 23 Mar Icelandair
10 Mar - 24 Mar Icelandair
18 Mar - 25 Mar Lufthansa
28 Mar - 04 Apr Turkish Airlines
18 Mar - 24 Mar Air Canada
27 Mar - 05 Apr Frontier Airlines
02 Mar - 06 Mar Frontier Airlines
27 Mar - 04 Apr Turkish Airlines
19 Mar - 24 Mar Brussels Airlines
20 Mar - 25 Mar Frontier Airlines
29 Mar - 05 Apr Iberia
27 Mar - 03 Apr Iberia

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

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