Cheapest return flights from Jacksonville to Madrid in December from 420€

AirHint found the following cheapest return flights from Jacksonville (JAX) to Madrid (MAD) in December 2025 (see full year).

Return flights

10 Dec - 16 Dec United
08 Dec - 26 Dec Delta
08 Dec - 29 Dec KLM
31 Dec - 10 Jan United
09 Dec - 27 Dec United
30 Dec - 10 Jan Finnair
23 Dec - 10 Jan Allegiant Air
14 Dec - 29 Dec Breeze Airways
14 Dec - 28 Dec Breeze Airways
15 Dec - 05 Jan Allegiant Air
24 Dec - 06 Jan Frontier Airlines
17 Dec - 01 Jan Breeze Airways
23 Dec - 03 Jan Allegiant Air
15 Dec - 03 Jan Allegiant Air
24 Dec - 03 Jan Frontier Airlines
18 Dec - 02 Jan Allegiant Air

Also check the deals for one-way flights from Jacksonville to Madrid in December.

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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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