AirHint found the following cheapest one-way flights from Milwaukee (MKE) to Madrid (MAD) in December 2024 (see full year).
18 Dec | Frontier Airlines |
Also check the deals for return flights from Milwaukee to Madrid in December.
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.