Nonstop Flights: London to Singapore

Airlines Flying Nonstop from London to Singapore

Singapore Airlines operates its flagship nonstop service between London Heathrow and Singapore Changi (SIN), typically aboard its A350 or 777 fleet. Singapore Airlines is consistently rated among the top three airlines in the world and offers an exceptional product across all cabin classes.

British Airways also operates nonstop service from LHR to SIN, giving travelers the option of a UK carrier with Avios redemptions and oneworld alliance benefits.

Flight Time: London to Singapore

The nonstop flight from London to Singapore takes approximately 12.5–13.5 hours, depending on routing and wind conditions. Singapore is in GMT+8, making it 7–8 hours ahead of the UK. Most flights depart London in the afternoon or evening and arrive in Singapore the following morning or afternoon local time.

Tips for London to Singapore Nonstop

• Singapore Airlines has a strong sale fare culture — watch for their Spontaneous Escapes and seasonal promotions, which often cover this route.
• Singapore Changi Airport is regularly rated the world's best airport — even if Singapore is not your final destination, it is a pleasurable transit hub for onward connections.
• Book Business Class awards 6–11 months ahead for peak periods. Singapore Airlines releases a fixed number of Saver award seats and they go quickly.

Terminal Guide: London Heathrow and Singapore Changi

At London Heathrow (LHR):

• Terminal 2 (T2): Singapore Airlines departs and arrives from T2 — the Star Alliance terminal. T2 is modern (opened 2014) and well-organized. The Singapore Airlines SilverKris lounge at T2 is one of the best airline lounges at Heathrow, accessible to Business and First Class passengers plus KrisFlyer Elite Gold members.
• Terminal 5 (T5): British Airways exclusively. The fastest and most efficient terminal at Heathrow. BA's Club and First lounges at T5 are among the best at the airport.

At Singapore Changi Airport (SIN):

• Terminal 2 (T2): Singapore Airlines' primary terminal at Changi. The SilverKris lounge at Changi T2 is considered one of the best airline lounges in the world. T2 also connects to the Jewel Changi retail complex.
• Terminal 1 (T1): British Airways arrives and departs from T1 at Changi. The Qantas lounge at T1 is accessible to BA oneworld Emerald members.
• All Changi terminals connect via the free Skytrain shuttle (3–10 minutes between terminals). The Jewel Changi entertainment complex connects to T1 and is accessible to all passengers.

Baggage Allowances by Airline

• Singapore Airlines Economy: Typically 25–30kg checked baggage depending on fare class. 7kg carry-on included. One of the most generous checked bag allowances in economy class for long-haul international travel.
• British Airways Economy: 1 × 23kg checked bag included on World Traveller and above. Basic/Lite fares exclude checked bags. 1 × 23kg hand baggage included on all fares.
• Both carriers Business Class: Typically 2–3 bags at 32kg each plus carry-on allowance — more than sufficient for any trip length.

Best Time to Book London to Singapore Nonstop

Cheapest periods: January through early March. September through early October. These windows fall outside the main UK school holiday peaks and Singapore's busier inbound tourism months, yielding the best economy fares.

Most expensive: June through August (UK summer holidays). December (Christmas and New Year's). February half-term and Easter school holidays also create significant demand spikes on this family-oriented route.

Singapore Airlines promotions: SQ typically runs major fare promotions in January–February and September–October. Watch the Singapore Airlines website and set a Skyscanner alert. Spontaneous Escapes (announced on Thursday for the following weekend) sometimes include this route.

Visa and Entry Requirements

UK citizens visiting Singapore: UK passport holders can enter Singapore visa-free for up to 30 days for tourism or business. No advance application is required. Passport must be valid for at least 6 months beyond the entry date. An electronic arrival card (SGAC) must be completed before arrival via the Singapore government's e-arrival portal.

Singapore citizens visiting the UK: Singaporean passport holders require an Electronic Travel Authorisation (ETA) to enter the UK for short stays. The UK ETA costs £10 and is applied for via the UKVI website or app. Valid for 2 years with multiple entries up to 6 months each. Processing is typically instant but apply before departure.

Transit through Singapore: Most nationalities can transit airside through Changi without a visa for up to 96 hours. Some nationalities require a transit visa even for airside transit — check the Singapore ICA website for your specific passport before booking.

Frequently Asked Questions

Singapore Airlines or British Airways for London–Singapore?

Singapore Airlines wins on almost every product metric: economy seat comfort, entertainment quality, catering, cabin crew service, and premium cabin product. SQ's A350 economy is 18 inches wide versus BA's 17 inches on some aircraft. KrisFlyer award redemptions are better value than BA Avios on this specific route. BA is preferred for oneworld loyalists, Avios holders who want to avoid KrisFlyer, and travelers who prefer T5 at Heathrow.

Is Business Class worth it on London–Singapore?

More than almost any other route. The 13-hour flight means the quality of your sleep environment significantly affects how you arrive. Singapore Airlines Business Class (flat-bed with aisle access, excellent catering, large privacy screen) means arriving refreshed versus the fatigue of 13 hours in economy. If Business Class is within budget — or bookable via KrisFlyer awards — this is one of the routes where the upgrade makes the greatest practical difference.

Can I stop over in Singapore en route to Australia?

Yes — Singapore Airlines and BA both allow stopovers in Singapore when traveling on through tickets to Australian destinations. Singapore Airlines' stopover program sometimes offers complimentary hotel nights for qualifying passengers. This effectively gives you a free extra destination at no additional fare, making it one of the best-value travel strategies for London-to-Australia itineraries.

What is the best way to get from Changi Airport into Singapore city?

The Mass Rapid Transit (MRT) East-West Line connects Changi Airport to the city center (City Hall, Raffles Place) in approximately 30–35 minutes for SGD $2.50 (about £1.50). The train runs every 3–8 minutes. Taxis and Grab (Singapore's ride-hailing equivalent) cost SGD $20–30 to downtown and take 20–30 minutes. The MRT is the recommended option for speed and cost unless you have significant luggage.

In-Flight Experience Comparison

Singapore Airlines Economy (A350-900): 18-inch seat width in 3-3-3 configuration. KrisWorld entertainment with over 1,800 options and one of the largest screens in economy. Complimentary meals, wines, beers, soft drinks, and snacks throughout the 13-hour flight. USB and universal power outlet at every seat. Consistently rated the best long-haul economy product in the industry on this route.

British Airways World Traveller (777): 17–17.5-inch seat width in 3-4-3 configuration on 777, wider on 787 routes. Good entertainment library. Meals included. BA's Club Suite business class on 787 routes is excellent (full-height door, flat bed); the older Club World on 777 is a step behind SQ's equivalent. For economy, BA is competent but ranks below SQ for most measurable metrics on this route.