This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $168 fare is the cheapest current round-trip from Washington DC (IAD) to CHI on Frontier flight F94707, departing 2026-09-08 at 06:20 with return on 2026-09-14.

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