Cheapest return flights from Denver to Madrid in January from $528

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

Return flights

13 Jan - 28 Jan Frontier Airlines
24 Jan - 31 Jan jetBlue
07 Jan - 14 Jan British Airways
07 Jan - 12 Jan British Airways
27 Jan - 03 Feb Iberia
06 Jan - 13 Jan Air Canada
31 Jan - 07 Feb Iberia
29 Jan - 05 Feb Iberia
07 Jan - 11 Jan British Airways
23 Jan - 30 Jan Iberia
10 Jan - 18 Jan British Airways
06 Jan - 11 Jan British Airways
11 Jan - 14 Jan Frontier Airlines

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

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