Direct (nonstop) flights from Saint Louis to London

1 airline flys nonstop from Saint Louis Airport (STL) to Heathrow (LHR). It's 4,200 miles (6,760 km), about 8h in the air. Operated by British Airways.

STL
Saint Louis Airport
🇺🇸 Saint Louis, USA
LHR
Heathrow
🇬🇧 London, United Kingdom
Flight Time
8h
Distance
4,200 mi
6,760 km
CO₂/pax
642 kg
−54 kg vs. layover
Airlines
1
British Airways
Time Diff
+6h
Operated by British Airways British Airways

Route data last updated: May 28, 2026

Airlines with non-stop flights

British Airways BA British Airways
Route
STL → LHR
Flight Time
8h
Distance
4,200 mi

Alternative Routes

Other ways to fly from Saint Louis to London with one stop · direct emits 642 kg CO₂ per passenger

STL PIT (Pittsburgh) LHR
Leg 1: 1h 35m (552 mi) Leg 2: 7h 20m (3,721 mi) Total: ~8h 55m 🍃 696 kg CO₂ (+8% vs. direct)
Leg 1
STL → PIT
1h 35m · 552 mi
View STL to PIT flights →
Leg 2
PIT → LHR
7h 20m · 3,721 mi
View PIT to LHR flights →
STL DTW (Detroit) LHR
Leg 1: 1h 31m (440 mi) Leg 2: 7h 30m (3,767 mi) Total: ~9h 1m 🍃 682 kg CO₂ (+6% vs. direct)
Leg 1
STL → DTW
1h 31m · 440 mi
View STL to DTW flights →
Leg 2
DTW → LHR
7h 30m · 3,767 mi
View DTW to LHR flights →
STL YYZ (Toronto) LHR
Leg 1: 1h 57m (655 mi) Leg 2: 7h 15m (3,555 mi) Total: ~9h 12m 🍃 690 kg CO₂ (+7% vs. direct)
Leg 1
STL → YYZ
1h 57m · 655 mi
View STL to YYZ flights →
Leg 2
YYZ → LHR
7h 15m · 3,555 mi
View YYZ to LHR flights →
STL YUL (Montreal) LHR
Leg 1: 2h 34m (969 mi) Leg 2: 6h 40m (3,250 mi) Total: ~9h 14m 🍃 686 kg CO₂ (+7% vs. direct)
Leg 1
STL → YUL
2h 34m · 969 mi
View STL to YUL flights →
Leg 2
YUL → LHR
6h 40m · 3,250 mi
View YUL to LHR flights →
STL BOS (Boston) LHR
Leg 1: 2h 35m (1,046 mi) Leg 2: 6h 45m (3,265 mi) Total: ~9h 20m 🍃 701 kg CO₂ (+9% vs. direct)
Leg 1
STL → BOS
2h 35m · 1,046 mi
View STL to BOS flights →
Leg 2
BOS → LHR
6h 45m · 3,265 mi
View BOS to LHR flights →

Frequently Asked Questions

How long is the direct flight from Saint Louis to London?

A nonstop flight from Saint Louis (STL) to London (LHR) takes approximately 8 hours. The distance is 4,200 miles (6,760 km).

Which airlines fly nonstop from Saint Louis to London?

Just British Airways.

Is there a nonstop flight from Saint Louis to London?

Yes. 1 airline: British Airways.

How far is Saint Louis from London?

The flight distance from Saint Louis to London 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 Saint Louis and London?

London is 6 hours ahead of Saint Louis. (America/Chicago vs Europe/London.)

Will I experience jet lag flying from Saint Louis to London?

Probably — 6-hour time difference means moderate jet lag. Expect about 1 day of adjustment per hour of shift. Flying eastward is generally harder to adjust to.

What type of aircraft flies from Saint Louis to London?

At 8h, 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 USA to United Kingdom?

Depends on your passport. Check with the United Kingdom embassy or an official visa portal before booking — requirements change.

What is the carbon footprint of a flight from Saint Louis to London?

Roughly 642 kg CO2 per passenger one-way. That's about the same as driving 3,210 km.

Is the return flight from London to Saint Louis 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 Saint Louis to London?

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 Saint Louis Airport for this flight?

3 hours before departure for international flights. You need time for check-in, security, and immigration.