Cheapest one-way IAH–SJU flights, August

AirHint found the following cheapest one-way flights from Houston (IAH) to San Juan (SJU) in August 2026 (see full year).

One-Way flights

19 Aug Frontier Airlines
09 Aug Spirit Airlines
15 Aug Frontier Airlines
12 Aug Frontier Airlines
23 Aug Spirit Airlines
02 Aug Spirit Airlines
28 Aug Spirit Airlines
15 Aug United direct
19 Aug United direct
06 Aug Spirit Airlines

Also check the deals for return flights from Houston to San Juan in August.

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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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