This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $207 fare is the cheapest current round-trip from Washington DC (IAD) to CHI on Frontier flight F93691, departing 2026-07-31 at 20:33 with return on 2026-08-02.

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