Cheapest return IAH–SJU flights, July

AirHint found the following cheapest return flights from Houston (IAH) to San Juan (SJU) in July 2026 (see full year).

Return flights

25 Jul - 29 Jul Frontier Airlines
08 Jul - 14 Jul Frontier Airlines
07 Jul - 29 Jul Frontier Airlines
18 Jul - 22 Jul Frontier Airlines
07 Jul - 11 Jul Frontier Airlines
11 Jul - 15 Jul Frontier Airlines
12 Jul - 15 Jul Frontier Airlines
08 Jul - 29 Jul Frontier Airlines
09 Jul - 29 Jul Frontier Airlines
08 Jul - 15 Jul Frontier Airlines
29 Jul - 03 Aug Frontier Airlines
30 Jul - 02 Aug Frontier Airlines
30 Jul - 03 Aug Frontier Airlines
31 Jul - 03 Aug Frontier Airlines
30 Jul - 03 Aug United direct

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

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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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