Cheapest return flights from Dallas to San Juan in September from $335

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

Return flights

25 Sep - 30 Sep Southwest Airlines
26 Sep - 01 Oct Southwest Airlines
06 Sep - 11 Sep Delta
05 Sep - 09 Sep Southwest Airlines
20 Sep - 25 Sep Delta
21 Sep - 28 Sep Southwest Airlines
04 Sep - 09 Sep Southwest Airlines
04 Sep - 08 Sep Southwest Airlines

Also check the deals for one-way flights from Dallas to San Juan in September.

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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