The contributors of Flight-Report published 3 reviews on 2 airlines on the route Houston - George Bush Intercontinental Houston (IAH) → London - Heathrow (LHR). The airline with the best average rating is British Airways with 7.3/10. The average flight time is 9 hours and 6 minutes.
Airlines on this route are:
Frequent travelers recommend "United Polaris Lounge" at IAH for services and entertainment/wifi.
Access to the airport of Houston (IAH) is rated as average; plan your trip in advance.