Cheapest return flights from Dallas to San Juan in December from $394

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

Return flights

08 Dec - 17 Dec Southwest Airlines
10 Dec - 14 Dec Southwest Airlines
03 Dec - 08 Dec Southwest Airlines
11 Dec - 14 Dec Southwest Airlines
31 Dec - 09 Jan Southwest Airlines
28 Dec - 10 Jan Southwest Airlines
16 Dec - 29 Dec Southwest Airlines
30 Dec - 06 Jan Delta
24 Dec - 31 Dec Delta
21 Dec - 25 Dec Southwest Airlines
28 Dec - 05 Jan Southwest Airlines
20 Dec - 25 Dec Southwest Airlines
23 Dec - 30 Dec Southwest Airlines
24 Dec - 02 Jan Southwest Airlines
27 Dec - 02 Jan Southwest Airlines
24 Dec - 04 Jan Southwest Airlines
20 Dec - 03 Jan Southwest Airlines
13 Dec - 14 Dec Delta

Also check the deals for one-way flights from Dallas 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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