This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $277 fare is the cheapest current round-trip from Austin (AUS) to CHI on United Airlines flight UA1878, departing 2026-05-21 at 06:40 with return on 2026-05-25.

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