This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $244 fare is the cheapest current round-trip from Chicago (MDW) to CUN on Frontier flight F92144, departing 2026-10-21 at 12:03 with return on 2026-10-25.

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