London to Bangkok (LHR–BKK) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
LHR–BKK is served by 1 airline with nonstop service. British Airways leads the route. The flight covers 5,952 miles in approximately 11h 26m. Beyond nonstop, 61 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| BA British Airways | 0 | – | – | – | Oneworld | – |
Weekly Schedule Pattern
Connection Landscape
Other ways to reach Bangkok from London
| Metric | LHR→BKK | LGW→BKK |
|---|---|---|
| Distance from LHR | – | 25 mi |
| Nonstop airlines | 1 | 3 |
| Weekly flights | 28 | 9 |
| Flight time | 11h 26m | 11h 50m |
Travel Essentials
LHR: BST · BKK: +07
When it's 6:00 PM in London, it's 12:00 AM (next day) in Bangkok.
British passport holders enter Thailand visa-free for up to 60 days (extended from the previous 30-day allowance). No fee, no advance application. Passport must be valid for at least 6 months beyond the date of entry. A single 30-day extension is available at any Thai immigration office for THB 1,900 (about $53), giving a total possible stay of 90 days.
You need proof of onward travel (airline ticket out of Thailand within 60 days). Immigration can ask for proof of sufficient funds: THB 20,000 (about $560) in cash or equivalent per person, or THB 40,000 per family. This is rarely checked but enforced sporadically, especially at land borders. For longer stays, apply for a 60-day Single Entry Tourist Visa at the Thai embassy in London for GBP 30, or a Multiple Entry Tourist Visa for GBP 150 (valid 6 months, 60 days per entry).
Direct flights from London Heathrow to Bangkok (BKK) run about 11 hours 30 minutes on Thai Airways and British Airways. The Thai baht (THB) trades at roughly 35.5 THB per $1. No vaccination requirements for UK arrivals, though hepatitis A and typhoid are recommended. Bangkok has two airports: Suvarnabhumi (BKK) handles most international flights, Don Mueang (DMK) handles budget carriers. Transfer between them takes 45 to 90 minutes by taxi or shuttle bus.
Heathrow Express runs from London Paddington to T5 and T2/T3 in 15–21 minutes (£37 single, cheaper booked online or via the Heathrow app). Elizabeth line (Crossrail) is a lower-cost alternative; Paddington to T5 in 34 minutes from £13.50 with an Oyster/contactless cap of £14.90. The Elizabeth line also serves central London stations including Bond Street, Farringdon, and Liverpool Street.London Underground Piccadilly line serves all terminals (T2/T3/T4/T5) from central London in 40–60 minutes (£6 with Oyster). Taxis (black cabs) from central London cost £55–90 depending on traffic. Coach services from Victoria Coach Station (National Express) cost from £10 booked in advance.
Airport Rail Link runs to Phaya Thai in 30 minutes (฿45). Runs 6am to midnight. Connect to BTS Skytrain at Phaya Thai for onward travel to Sukhumvit, Silom, or Siam.Taxis from the arrivals level are metered; add the ฿50 airport surcharge and expressway tolls to the meter reading. Total to central Bangkok typically ฿300–450. Grab is reliable and avoids negotiation. Limousine services (฿800–1,500) are available from the arrival hall. Buses are cheap but slow given Bangkok's traffic.
Tropical monsoon climate. Hot season (March–May) reaches 38–40°C with high humidity. Wet season (May–October) brings daily heavy rains and occasional flooding. Thunderstorms cause flight delays regularly. Suvarnabhumi sits in a flood-prone area east of Bangkok. The 2011 floods came close to the airport perimeter.
Cool season (November–February) is the most comfortable for travel (25–32°C) with lower humidity and good flying weather. Haze from agricultural burning occasionally reduces visibility in March–April.
LHR–BKK Quick Facts
Frequently Asked Questions
Flights from LHR to BKK
London Heathrow Airport (LHR) and Suvarnabhumi Airport (BKK) are connected by nonstop service from British Airways. With 28 weekly departures, this is a heavily served route.
LHR to BKK Flight Duration and Schedule
Nonstop flight time from LHR to BKK ranges from 11 hours 26 minutes to 11 hours 55 minutes. The route covers a distance of 5,952 miles (9,578 km). There are approximately 28 weekly flights outbound and 42 return, totaling 70 flights per week in both directions.
Connecting Options and Alternatives
61 one-stop connections are available, with the fastest taking approximately 14 hours via MAN. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include London (LGW).