Originally Posted by
Repooc17
I am not in favor of backtracking - e.g. IAH-FRA/MUC-CDG.
I would recommend nonstop IAH-LHR both ways, and then just take the train to Paris.
I just did this from DEN. Piccadilly Line to Kings Cross to Eurostar. The only downside to using RT to LHR is if you go higher than coach, there are usually additional taxes.