Cheap flights from London to South Pacific from £403

The cheapest month to fly to South Pacific from London is in May. Flight prices, which tend to average around £953, are often lower during this time because this is during the off-season. If you don’t want to visit South Pacific in May, then you should wait until June to fly from London, when ticket prices are also cheap, with an average price of £1,007.

According to our data, Monday is the cheapest day to fly to South Pacific from London. The lowest ticket price found for a Monday departure recently was £1,141. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from London to South Pacific on a Friday will generally be more expensive and average around £1,289. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Fly from London Heathrow to Sydney Kingsford Smith for the best London - South Pacific flight prices

You are more likely to see cheaper flights to South Pacific from London when booking weeks ahead of your departure date. In general, you can expect to find flights to South Pacific for around £1,092 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South Pacific from London for as low as £1,008 on momondo.

There are 4 cabin classes available to choose from on London to South Pacific 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 14% on your flight if you consider stops on a London to South Pacific flight.

Shenzhen Airlines, China Eastern, and China Southern are the most popular carriers operating from London to South Pacific

Cathay Pacific, Qatar Airways and Emirates are the top three most popular airlines that fly to South Pacific from London according to our data. Cathay Pacific is the first choice among our users, with 29% of people opting to fly with this airline when travelling to South Pacific. Keep in mind that there are 33 different airlines that fly to South Pacific on a routine basis, so you have a few additional options to choose from.

Historically, on average around 22% of flights between London and South Pacific have experienced a delay on any given week. The average delay length over the past 12 months has been 108 minutes.

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

Thursday 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, Qantas Airways have had the fewest delays on this route over the last 12 months, with about 22% of their flights experiencing any sort of delay.

The number of flights available between London and South Pacific is 5 per day as of October 2026. The most frequent departure time is 12:00, with 66% of daily flights leaving in the evening.

As of October 2026, 35 flights take off from London and land in South Pacific each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.