American Airlines fares from January 9 to April 6 at $478 to $484 round trip for flights from Houston to Paris are available today, but probably not for long. Air France and Delta still show flights to Paris and around France priced $470 to low $500s on Google Flights, but those deals are now pricing at $1,200+.
American Airlines still has fares under $500, but they might be gone soon since SkyTeam raised its fares. This post is 7:00am Pacific Wed Nov16.
American Airlines Houston IAH – Dallas DFW – Paris CDG – DFW-IAH
American Airlines Houston IAH – Miami MIA– Paris CDG – Charlottle CLT –IAH