Originfacts

Flight route

Flights from London (LHR) to Bangkok (BKK)

Distance, flight time and the airlines in Originfacts’ route record for London to Bangkok, the two airports, and partner fare tools. Each figure shows where it came from.

IATA code LHRFromLondonLondon Heathrow Airport, United Kingdom
9,542 km~11h 30m est.
IATA code BKKToBangkokSuvarnabhumi Airport, Thailand
In our route record:Singapore Airlines
Find flights LHR → BKK

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Route record, updated 22 Apr 2026Where this comes from

LHR → BKK at a glance

  • Distance

    9,542 km

    About 5,929 miles: the great-circle distance between the two airports’ coordinates.

    Route record · checked against coordinates

  • Flight time

    ~11h 30m

    An estimate, not a timetable. The airline’s schedule gives the actual time.

    Route record estimate

  • Time difference

    +7h

    Bangkok is 7h ahead of London today. LHR: Europe/London (UTC) · BKK: Asia/Bangkok (UTC+7)

    Calculated from IANA time zonesTime zones: Time difference

  • Airlines in route record

    1

    Singapore Airlines

    Originfacts route recordSee airlines: Airlines in route record

Airlines on the LHR–BKK route

Route record · 22 Apr 2026

The airlines Originfacts’ route record lists for LHR–BKK, after leaving out carriers listed only through a recycled airline code or as a codeshare. It is not a full schedule and does not say which airlines fly nonstop; check current flights with the airline.

Baggage and check-in rules are each airline’s general rules, read from its own site on the date shown. They are not specific to this route, and your fare type can change them: check your booking.

Fare calendar and schedule for LHR → BKK

Partner tools · indicative

Two tools from Aviasales, our flight-search partner. They load only if you allow advertising cookies. Prices in them come from recent searches and are indicative, not quotes; the fare on the booking page can differ. The schedule shows flights in the partner’s data, including codeshares sold by other airlines.

Fare calendar

This price calendar is provided by our partner Travelpayouts (Aviasales) and sets cookies.

Or search on flights.originfacts.com, our partner’s site

Flight schedule

This flight schedule is provided by our partner Travelpayouts (Aviasales) and sets cookies.

Or search on flights.originfacts.com, our partner’s site

The airports: London Heathrow Airport and Suvarnabhumi Airport

Airport records · OurAirports · Wikidata

Each airport guide lists the airport’s codes, location and time zone, any other routes and airlines Originfacts tracks from LHR or BKK, current weather and nearby airports, and where to check terminal and transport details.

Weather in Bangkok: average high, low and rain by month

NASA POWER · modelled · 2016–2025

Averages of NASA POWER (opens in a new tab) daily values for 2016–2025 at 13.68°, 100.75° near BKK (MERRA-2 reanalysis grid, about 50 km cells), worked out by Originfacts. Modelled, not weather-station readings or a forecast.

In October, Bangkok averages a daily high of 30°C and a low of 25°C, with about 243 mm of rain over the month.

Average daily high and low temperature and average monthly rain near BKK, 2016–2025
MonthHighLowRain
Jan32°C22°C21 mm
Feb34°C24°C27 mm
Mar35°C26°C37 mm
Apr35°C27°C71 mm
May33°C28°C168 mm
Jun32°C27°C139 mm
Jul31°C26°C181 mm
Aug31°C26°C171 mm
Sep30°C26°C279 mm
Octthis month30°C25°C243 mm
Nov30°C24°C63 mm
Dec30°C22°C9 mm

Bangkok airport guide

Getting to and from LHR and BKK

Not yet verified

Ground transport, terminals and parking at either airport have not been checked against the airports’ own pages yet, so none are listed here.

Check directly:heathrow.com (opens in a new tab)suvarnabhumi.airportthai.co.th (opens in a new tab)

London to Bangkok: common questions

Which airlines fly from London to Bangkok?

Originfacts’ route record for LHR–BKK lists Singapore Airlines. It is not a full schedule; check current flights with the airline before booking.

How far is London from Bangkok by air?

About 9,542 km, the great-circle distance between London Heathrow Airport and Suvarnabhumi Airport.

How long is the flight from London (LHR) to Bangkok (BKK)?

The Originfacts route record estimates about 11h 30m nonstop. It is an estimate, not a timetable: the airline’s schedule gives the actual flight time.

Is there a time difference between London and Bangkok?

Bangkok is 7h ahead of London today (UTC+7 in Asia/Bangkok vs UTC in Europe/London).

Sources

Where each part of this page comes from
  • Distance, flight-time estimateOriginfacts route record, checked against the great-circle distance between the airport coordinates22 Apr 2026
  • AirlinesOriginfacts route record, leaving out carriers listed only through a recycled airline code or as a codeshare22 Apr 2026
  • Baggage and check-inEach airline’s own pages, via the Originfacts airline fact files; only checked values are shown6 Oct 2026
  • Airport codes, time zonesOriginfacts airport records4 Sept 2026
  • Time differenceCalculated from each airport’s IANA time zone, with daylight saving applied for today’s dateToday
  • Airport websitesWikidata (official website property)—
  • Airport size class, runwaysOurAirports (opens in a new tab) open data (public domain); the size class is OurAirports’ own, not an official category5 Oct 2026
  • Airport opened, operator, passengersWikidata (CC0), each airport’s own item; passenger figures are the latest year recorded there, with its reference where Wikidata gives one5 Oct 2026
  • Weather in BangkokNASA POWER (opens in a new tab) daily data (MERRA-2 reanalysis), averaged by month by Originfacts. Modelled, not weather-station readings2016–2025
  • Fare calendar, scheduleAviasales widgets, loaded with advertising consentLive

Schedules, fares and airline rules change. Confirm with the airline before you travel.