1 · Best overall
Singapore Airlines business class
Heathrow Terminal 2 to Singapore Changi
Singapore Airlines flies four times a day from Heathrow, using the A380 and Boeing 777-300ER, with one flight (SQ305/306) moving to the A350-900 from July 2026. Wi-Fi is free and unlimited in business class, and for KrisFlyer members in every cabin. Before you fly, the refurbished SilverKris Lounge in Terminal 2B has private productivity pods and plenty of charging points.
- Four nonstop flights a day
- Free unlimited Wi-Fi
- SilverKris Lounge with work pods
Watch out: Its current long-haul business seat dates from 2013. A new seat is due, but the airline has not confirmed when it reaches London.