SAT to LHR Route Guide
San Antonio, United States → London, United Kingdom
Quick answer
KSAT (San Antonio, United States) to EGLL (London, United Kingdom) is a 4,319 NM (7,999 km / 4,970 mi) great-circle route with an initial bearing of 40° (NE). Typical cruise altitude FL410, expected flight time 9h 30m, common aircraft: Boeing 777-300ER, Airbus A350-900, Boeing 787-9.
Distance
4,319 NM
7,999 km / 4,970 mi
Initial Bearing
40° (NE)
True heading at departure
Typical Cruise
FL410
41,000 ft
Block Time
9h 30m
Typical jet, no wind correction
Fuel Estimate
14,457 kg
Single-aisle equivalent + reserve
Departure Elevation
809 ft
KSAT
Arrival Elevation
83 ft
EGLL
What aircraft fly this route?
For a 4,319 NM mission, operators typically deploy:
- Boeing 777-300ER
- Airbus A350-900
- Boeing 787-9
- Airbus A330-900neo
Weather considerations
Pilots flying SAT-LHR should brief METARs and TAFs at both ends, plus any en-route SIGMETs. On this long-range mission, plan for an alternate within fuel reserves and review oceanic / NAT track procedures if applicable.
Frequently asked questions
What is the distance between SAT and LHR?
4,319 nautical miles (7,999 km / 4,970 statute miles) great-circle.
How long is the flight from San Antonio to London?
Approximately 9h 30m block-to-block for a typical commercial jet, depending on aircraft type and winds.
What aircraft typically fly SAT-LHR?
Common types include Boeing 777-300ER, Airbus A350-900, Boeing 787-9, Airbus A330-900neo depending on operator and demand.
What altitude do flights cruise at?
Most flights at this distance cruise around FL410 (41,000 ft), though winds and traffic affect filed altitude.
What initial heading is the route?
40° true (NE). Track varies along the route due to great-circle curvature.
Plan your next flight with confidence
Free aviation tools: METAR decoder, fuel calculator, weather, and live tracking.
Start Free →