Cheapest return flights from Houston to San Juan in September from $175

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

Return flights

28 Sep - 02 Oct American Airlines
07 Sep - 11 Sep Spirit Airlines direct
07 Sep - 18 Sep Spirit Airlines direct
21 Sep - 02 Oct Spirit Airlines direct
21 Sep - 09 Oct Spirit Airlines direct
28 Sep - 02 Oct Spirit Airlines direct
28 Sep - 16 Oct Spirit Airlines direct
28 Sep - 09 Oct Spirit Airlines direct
17 Sep - 18 Sep Spirit Airlines
20 Sep - 02 Oct Spirit Airlines
20 Sep - 09 Oct Spirit Airlines
17 Sep - 02 Oct Spirit Airlines
25 Sep - 02 Oct Spirit Airlines direct
06 Sep - 18 Sep Spirit Airlines
06 Sep - 11 Sep Spirit Airlines
21 Sep - 27 Sep American Airlines
23 Sep - 27 Sep American Airlines
01 Sep - 11 Sep Spirit Airlines
01 Sep - 18 Sep Spirit Airlines
25 Sep - 28 Sep Spirit Airlines direct

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

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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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