Cheapest return flights from Dallas to San Juan in December from 370€

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

Return flights

10 Dec - 14 Dec Southwest Airlines
19 Dec - 24 Dec Southwest Airlines
23 Dec - 27 Dec Southwest Airlines
20 Dec - 03 Jan Delta
19 Dec - 27 Dec Southwest Airlines
12 Dec - 22 Dec Delta
22 Dec - 25 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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