Flights London → Bangkok
LHR → BKK
How long is the flight from London to Bangkok?
The flight from London (LHR) to Bangkok (BKK) takes about 12h 24m. This is an estimate based on the distance between the two airports: the real time depends on the aircraft, wind and any stops.
Route overview
The flight route connects London to Bangkok, operating with a mix of large aircraft such as the Boeing 777 and Boeing 747, as well as the Airbus A340-600. Bangkok's Suvarnabhumi Airport, which opened in 2006, serves as the destination hub for this route, handling over 62 million passengers annually.
The London (LHR) → Bangkok (BKK) route is operated by British Airways, Iberia Airlines. FlightGuard's average computed risk is 10.7/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Bangkok the average ATFM delay is 2.5 minutes (main cause: atfm). Departing from London the average ATFM delay is 1.8 minutes.
Heading to Bangkok: what to expect in this direction
Flying from London (LHR) to Bangkok (BKK) heads east for about 9,578 km, a flight time of roughly 12h 24m.
Air-traffic congestion: departing London the average ATFM delay is 1.8 min (atfm); arriving into Bangkok it is 2.5 min (atfm).
Route facts
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Iberia Airlines (IB) | 87% | 20 min | 1.2% |
| British Airways (BA) | 66% | 31 min | 1.3% |
Airlines operating LHR-BKK
Frequently asked questions about LHR-BKK
The flight from London (LHR) to Bangkok (BKK) takes about 12h 24m. This is an estimate based on the distance between the two airports: the real time depends on the aircraft, wind and any stops.
Route-specific punctuality data isn't available yet. Check your flight on FlightGuard for a real-time analysis.
The cancellation rate varies by airline and season. Check your flight risk for an up-to-date estimate.
The route is operated by 2 airlines: British Airways, Iberia Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Bangkok, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
The London-Bangkok route is about 9,578 km: for a cancellation (with less than 14 days' notice), a delay over 3 hours, or denied boarding, UK261 compensation is £520, barring extraordinary circumstances.
