Direct (nonstop) flights from London to Houston
2 airlines fly nonstop from Heathrow (LHR) to George Bush Intcntl Houston (IAH). It's 4,834 miles (7,780 km), about 10h 30m in the air. Operated by British Airways, United Airlines.
British Airways
United Airlines
Route data last updated: May 25, 2026
Airlines with non-stop flights
BA
British Airways
UA
United Airlines
Alternative Routes
Other ways to fly from London to Houston with one stop · direct emits 739 kg CO₂ per passenger
Looking for the return flight?
IAH → LHR: Flights from Houston to LondonOther direct flights from London
Direct flights from Houston (IAH)
Frequently Asked Questions
How long is the direct flight from London to Houston?
A nonstop flight from London (LHR) to Houston (IAH) takes approximately 10 hours and 30 minutes. The distance is 4,834 miles (7,780 km).
Which airlines fly nonstop from London to Houston?
2 airlines: British Airways, United Airlines.
Is there a nonstop flight from London to Houston?
Yes. 2 airlines: British Airways, United Airlines.
How far is London from Houston?
The flight distance from London to Houston is 4,834 miles (7,780 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Rome.
What is the time difference between London and Houston?
Houston is 6 hours behind London. (Europe/London vs America/Chicago.)
Will I experience jet lag flying from London to Houston?
Probably — 6-hour time difference means moderate jet lag. Expect about 1 day of adjustment per hour of shift. Flying westward is generally easier to adjust to.
What type of aircraft flies from London to Houston?
At 10h 30m, this route typically uses wide-body aircraft — Boeing 777, 787, or Airbus A330/A350. Varies by airline.
Do I need a visa to travel from United Kingdom to USA?
Depends on your passport. Check with the USA embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from London to Houston?
Roughly 739 kg CO2 per passenger one-way. That's about the same as driving 3,695 km.
Is the return flight from Houston to London also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from London to Houston?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. For long-haul, booking 2-3 months out tends to help. Use "Check Prices" above to compare.
How early should I arrive at Heathrow for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.