This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $146 fare is the cheapest current round-trip from San Francisco (SFO) to HOU on Frontier flight F91094, departing 2026-09-11 at 16:34 with return on 2026-09-13.

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