This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $156 fare is the cheapest current round-trip from Newark (EWR) to CHI on Spirit flight NK153, departing 2026-05-29 at 17:01 with return on 2026-05-31.

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