Cheap flights from Singapore to London

In general, February is the cheapest month to fly from Singapore to London. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 1,103. If you aren’t able to travel to London during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of C$ 1,148.

Fly from Singapore Changi to London Heathrow for the best Singapore Changi - London flight prices

You are more likely to see cheaper flights to London from Singapore when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around C$ 1,275 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Singapore for as low as C$ 1,196 on momondo.

There is only 1 cabin class available to choose from on Singapore to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 42% on your flight if you consider stops on a Singapore to London flight.

As of November 2026, prices for Singapore to London flights are approximately 8% more expensive when compared to flights at the same time last year.

Historically, on average around 11% of flights between Singapore and London have experienced a delay on any given week. The average delay length over the past 12 months has been 136 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, British Airways has had the least delays on this route over the last 12 months, with about 5% of their flights experiencing any sort of delay.