The contributors of Flight-Report published 4 reviews on 2 airlines on the route Houston - George Bush Intercontinental Houston (IAH) → Frankfurt - Frankfurt am Main (FRA). The airline with the best average rating is Lufthansa with 7.3/10. The average flight time is 9 hours and 51 minutes.
Airlines on this route are:
Frequent travelers recommend "Executive Club" at IAH for comfort and meals/catering.