Direct (nonstop) flights from London to Saint Louis
1 airline flys nonstop from Heathrow (LHR) to Saint Louis Airport (STL). It's 4,200 miles (6,760 km), about 9h 5m in the air. Operated by British Airways.
British Airways
Route data last updated: May 24, 2026
Airlines with non-stop flights
BA
British Airways
Alternative Routes
Other ways to fly from London to Saint Louis with one stop · direct emits 642 kg CO₂ per passenger
Looking for the return flight?
STL → LHR: Flights from Saint Louis to LondonOther direct flights from London
Direct flights from Saint Louis (STL)
Frequently Asked Questions
How long is the direct flight from London to Saint Louis?
A nonstop flight from London (LHR) to Saint Louis (STL) takes approximately 9 hours and 5 minutes. The distance is 4,200 miles (6,760 km).
Which airlines fly nonstop from London to Saint Louis?
Just British Airways.
Is there a nonstop flight from London to Saint Louis?
Yes. 1 airline: British Airways.
How far is London from Saint Louis?
The flight distance from London to Saint Louis is 4,200 miles (6,760 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 Saint Louis?
Saint Louis is 6 hours behind London. (Europe/London vs America/Chicago.)
Will I experience jet lag flying from London to Saint Louis?
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 Saint Louis?
At 9h 5m, 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 Saint Louis?
Roughly 642 kg CO2 per passenger one-way. That's about the same as driving 3,210 km.
Is the return flight from Saint Louis 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 Saint Louis?
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.