Cheapest return flights from Dallas-Fort Worth to San Juan in September from $151

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

Return flights

07 Sep - 11 Sep Frontier Airlines
18 Sep - 22 Sep Frontier Airlines
18 Sep - 21 Sep Frontier Airlines
25 Sep - 30 Sep Frontier Airlines
08 Sep - 13 Sep Frontier Airlines
22 Sep - 22 Oct Frontier Airlines
22 Sep - 26 Sep Frontier Airlines
11 Sep - 15 Sep Spirit Airlines direct
08 Sep - 15 Sep Spirit Airlines direct
08 Sep - 18 Sep Spirit Airlines direct
14 Sep - 15 Sep Spirit Airlines
18 Sep - 05 Oct Spirit Airlines
18 Sep - 02 Oct Spirit Airlines
18 Sep - 06 Oct Spirit Airlines
25 Sep - 05 Oct Spirit Airlines
25 Sep - 06 Oct Spirit Airlines
18 Sep - 05 Oct Spirit Airlines direct
18 Sep - 06 Oct Spirit Airlines direct
14 Sep - 05 Oct Spirit Airlines
14 Sep - 02 Oct Spirit Airlines

Also check the deals for one-way flights from Dallas-Fort Worth 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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