Cheap flights from London to Cairns from £490

If you’re not able to fly to Cairns in March, then September is your next best option. Flight prices from London to Cairns during September average around £794.

You are more likely to see cheaper flights to Cairns from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Cairns for around £1,336 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cairns from London for as low as £1,148 on momondo.

You could potentially save up to 25% on your flight if you consider stops on a London to Cairns flight.

As of June 2026, prices for London to Cairns flights are approximately 18% more expensive when compared to flights at the same time last year.

China Southern, Qantas Airways, and Singapore Airlines are the most popular carriers operating from London to Cairns

Singapore Airlines, Cathay Pacific and Qatar Airways are the top three most popular airlines that fly to Cairns from London according to our data. Singapore Airlines is the first choice among our users, with 87% of people opting to fly with this airline when travelling to Cairns. Keep in mind that there are 3 different airlines that fly to Cairns on a routine basis, so you have a few additional options to choose from.

Historically, on average around 11% of flights between London and Cairns have experienced a delay on any given week. The average delay length over the past 12 months has been 105 minutes.

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

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

According to our data, Air China have had the fewest delays on this route over the last 12 months, with about 6% of their flights experiencing any sort of delay.

Singapore (SIN) was the most common stop: 96% of momondo users choosing one-stop flights on this route connected there.

Flights via Singapore (SIN) offer the lowest average return price of £1,098.

Flights connecting via Singapore (SIN) have the shortest average one-way travel time: 21h 38m.

Singapore (SIN) has the shortest average stopover time for this route: 2h 22m.