Cheapest one-way flights from Dallas to San Juan in September from $167

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

One-Way flights

18 Sep Southwest Airlines
26 Sep Southwest Airlines
29 Sep Southwest Airlines
30 Sep Southwest Airlines
05 Sep Southwest Airlines
28 Sep Southwest Airlines
21 Sep Southwest Airlines
27 Sep Southwest Airlines

Also check the deals for return 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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