AirHint found the following cheapest return flights from Houston (IAH) to Cartagena (CTG) in July 2025 (see full year).

Return flights

11 Jul - 17 Jul	Spirit Airlines
09 Jul - 17 Jul	Spirit Airlines
22 Jul - 04 Aug	Spirit Airlines
22 Jul - 29 Jul	Spirit Airlines
11 Jul - 29 Jul	Spirit Airlines
09 Jul - 29 Jul	Spirit Airlines
04 Jul - 17 Jul	Spirit Airlines
05 Jul - 17 Jul	Spirit Airlines
04 Jul - 09 Jul	Spirit Airlines
25 Jul - 04 Aug	Spirit Airlines
05 Jul - 09 Jul	Spirit Airlines
25 Jul - 29 Jul	Spirit Airlines
16 Jul - 04 Aug	Spirit Airlines
22 Jul - 12 Aug	Spirit Airlines
25 Jul - 12 Aug	Spirit Airlines

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

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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Cheapest return flights from Houston to Cartagena in July from $325

Return flights