This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $171 fare is the cheapest current round-trip from Houston (IAH) to WAS on Frontier flight F92418, departing 2026-09-17 at 20:25 with return on 2026-10-03.

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