This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $639 fare is the cheapest current round-trip from Chicago (MDW) to HNL on Southwest flight WN1748, departing 2026-09-17 at 07:00 with return on 2026-09-24.

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