Cheapest return flights from Detroit to San Juan in December from $257

AirHint found the following cheapest return flights from Detroit (DTW) to San Juan (SJU) in December 2025 (see full year).

Return flights

05 Dec - 07 Dec Frontier Airlines
04 Dec - 07 Dec Southwest Airlines
12 Dec - 20 Dec Frontier Airlines
30 Dec - 08 Jan jetBlue
29 Dec - 09 Jan jetBlue
30 Dec - 07 Jan jetBlue
29 Dec - 09 Jan Delta direct
29 Dec - 07 Jan Delta direct
30 Dec - 08 Jan Delta direct
12 Dec - 20 Dec Delta direct
30 Dec - 07 Jan Delta direct
22 Dec - 29 Dec American Airlines
23 Dec - 30 Dec American Airlines
28 Dec - 05 Jan Sun Country Airlines
30 Dec - 03 Jan jetBlue
23 Dec - 27 Dec Southwest Airlines
19 Dec - 27 Dec American Airlines
28 Dec - 05 Jan Delta direct
22 Dec - 29 Dec Delta direct
19 Dec - 22 Dec jetBlue

Also check the deals for one-way flights from Detroit to San Juan in December.

Skyscanner

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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