Cheapest return flights from Houston to San Juan in September from $180

Best time to book flights for Houston (IAH) to San Juan (SJU) flights at AirHint

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

Return flights

25 Sep - 29 Sep United
21 Sep - 28 Sep Spirit Airlines direct
25 Sep - 02 Oct Spirit Airlines direct
28 Sep - 05 Oct Spirit Airlines direct
04 Sep - 11 Sep Spirit Airlines
11 Sep - 18 Sep Spirit Airlines
02 Sep - 09 Sep Spirit Airlines
03 Sep - 10 Sep Spirit Airlines
06 Sep - 13 Sep Spirit Airlines
09 Sep - 16 Sep Spirit Airlines
10 Sep - 17 Sep Spirit Airlines
15 Sep - 22 Sep Spirit Airlines
24 Sep - 01 Oct Spirit Airlines
26 Sep - 03 Oct Spirit Airlines
27 Sep - 04 Oct Spirit Airlines
29 Sep - 06 Oct Spirit Airlines
30 Sep - 07 Oct Spirit Airlines
24 Sep - 01 Oct United direct
26 Sep - 03 Oct United direct
29 Sep - 06 Oct United direct

Also check the deals for one-way flights from Houston 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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