Flights from London (LON) to Bangkok (BKK)

All Singapore Airlines flights from London to Bangkok, via Singapore, include meals tailored to the time of day and flight duration, served across each sector of your journey.

In-flight Dining: On both the London–Singapore and Singapore–Bangkok sectors, we serve multi-course meals or snack services, featuring regional and international dishes, with options that are refreshed regularly.

Special Meals: We offer a variety of special meals to suit different dietary requirements. You can request these through our Manage Booking page before your flight, and we will prepare them for both sectors of your journey.

Book the Cook: Eligible customers travelling in Premium Economy Class, Business Class, Suites, and First Class on selected flights between London and Singapore can pre-select from an expanded Book the Cook menu, giving you more choice over your main course.

Beverage Service: A wide range of hot and cold drinks is available, including juices, soft drinks, tea, coffee, and alcoholic beverages. You can also enjoy our signature Singapore Sling on board many flights.

For flights between London and Bangkok, the checked baggage allowance follows our weight concept and depends on your cabin class. In Economy Class, Lite and Value fares include 25kg of checked baggage, while Standard and Flexi fares include 30kg. In Premium Economy Class, the checked baggage allowance is 35kg. In Business Class, you can check up to 40kg of baggage. On flights where First Class is offered, the checked baggage allowance is 50kg. Each checked bag must not exceed 32kg.

For cabin baggage, customers travelling in Economy Class and Premium Economy Class may bring 1 piece of cabin baggage up to 7kg. Customers in Business Class and First Class may bring 2 pieces of cabin baggage, each up to 7kg. The final allowance for your specific ticket is shown on your e-ticket, and KrisFlyer Elite Gold and PPS Club members enjoy additional allowances.

Wi-Fi is available on most Singapore Airlines flights from London to Bangkok, once the aircraft is above 10,000 feet. Access is available on both the London–Singapore and Singapore–Bangkok sectors, depending on aircraft type.

Wi-Fi is free and unlimited for KrisFlyer members. If you are travelling in Economy Class or Premium Economy Class, please ensure your KrisFlyer membership number is added to your booking at least 1.5 hours before departure to enjoy this benefit.

For non-members, or if you require a different package, paid Wi-Fi plans are available on board. The connection is suitable for messaging, email, and basic browsing, but does not support video streaming, video calls, or large file transfers.

On routes between London and Bangkok via Singapore, Economy Class seats typically offer a 32-inch pitch and up to 19-inch seat width, providing comfortable space for long-haul and regional sectors.

Premium Economy Class on London–Singapore flights offers a 38-inch seat pitch and up to 20-inch seat width, with a wider seat and enhanced recline, giving you more personal space for resting or working.

Business Class provides a fully flat bed on long-haul flights, with every seat offering direct aisle access. On the Singapore–Bangkok sector, Business Class seats also recline generously, supporting comfortable short- to medium-haul travel.

On SQ 305 operated by the Boeing 777-300ER, First Class is also available with a fully flat bed and additional privacy. On Airbus A380-800 services SQ 317, SQ 319, and SQ 321, Suites offer a fully enclosed private suite. The onward sector to Bangkok is operated by the Boeing 787-10, where Economy Class and Business Class are available.

Yes, Singapore Airlines provides lounge access to eligible passengers with a layover in Singapore. Your eligibility is based on your class of travel or your KrisFlyer and Star Alliance status, and it is determined by your flight leaving Singapore. Other options, like purchasing a day pass at a pay-per-use lounge, are also available.

For longer layovers at Singapore Changi Airport, you can join the airport’s free transit tour programme, which usually requires at least around 5.5 to 6 hours between flights, subject to the latest terms. This gives you a curated glimpse of the city before returning comfortably to your onward gate.

If you prefer to stay airside or have a shorter connection, Changi Airport offers themed gardens, quiet rest areas, play zones, and a wide selection of shops and dining. Eligible customers can also relax in the SilverKris Lounge or KrisFlyer Gold Lounge in Terminal 3 before connecting to Bangkok. Your time at Singapore Changi Airport is more than just a wait — it's an integral part of your journey.

When departing from London Heathrow Terminal 2, eligible Singapore Airlines customers may use the SilverKris Lounge. During your layover at Singapore Changi Airport, eligible customers can access the SilverKris Lounge or the KrisFlyer Gold Lounge. Lounge access depends on your cabin class and frequent flyer status.

London operates on Greenwich Mean Time (GMT, UTC+0) roughly from late October to late March, and British Summer Time (BST, UTC+1) from late March to late October. Bangkok uses Indochina Time (UTC+7) all year. This means Bangkok is 7 hours ahead of London during GMT, and 6 hours ahead during BST.

From London Heathrow, Singapore Airlines flights to Singapore depart from Terminal 2. From London Gatwick, flight SQ 309 departs from Terminal N. At Singapore Changi Airport, you will arrive into and connect from Terminal 3 to reach Bangkok, before landing at Bangkok Suvarnabhumi Airport.

Our London–Bangkok itineraries are designed with comfortable connection times at Singapore Changi Airport. The layovers on sample flights range from just under 4 hours to about 5 hours. When booking, our system will offer only legal connection times, giving you enough time to transfer between gates at a relaxed pace.

You may be able to plan a stopover in Singapore on your London–Bangkok trip, subject to your ticket conditions and availability. When booking, you can search for multi-city options or speak with our customer service team or your travel agent, who can advise whether a stopover can be added to your itinerary.