Are there nonstop flights from London (LCY) to Houston (IAH)?

No. The fastest connection is via Amsterdam, about 10h 52m of total flying time.

What is the fastest connection from London (LCY) to Houston (IAH)?

via Amsterdam ≈ 10h 52m, via Frankfurt am Main ≈ 11h 37m (estimated flying time, excluding layovers).

London City Airport (LCY) to George Bush Intercontinental Airport (IAH)・7,794 km

No nonstop flights. The fastest connection is via Amsterdam (AMS), about 10h 52m of flying time (layover not included).

None.

2 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.