Cheapest return flights from Detroit to San Juan in December from 430€

AirHint found the following cheapest return flights from Detroit (DTW) to San Juan (SJU) in December 2026 (see full year).

Return flights

09 Dec - 19 Dec Delta direct
10 Dec - 18 Dec Delta direct
10 Dec - 19 Dec Delta direct
11 Dec - 18 Dec Delta direct
30 Dec - 09 Jan Delta
31 Dec - 01 Jan Delta direct
20 Dec - 23 Dec United
20 Dec - 24 Dec United
20 Dec - 23 Dec Delta direct
20 Dec - 24 Dec Delta direct
29 Dec - 02 Jan Delta
05 Dec - 03 Jan United
19 Dec - 27 Dec Delta
05 Dec - 03 Jan Delta direct

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