This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $240 fare is the cheapest current round-trip from Houston (IAH) to CUN on Frontier flight F91404, departing 2026-10-16 at 07:00 with return on 2026-10-19.

Clicking "Book this flight" opens Kiwi.com with this exact flight pre-filtered — same airline, same dates, same passenger count.