Cheap flights from London to Adelaide from £390

The cheapest month to fly to Adelaide from London is in February. Flight prices, which tend to average around £980, are often lower during this time because this is during the off-season. If you are unable to visit Adelaide during the month of February, then departing from London during the month May is also very affordable. Most momondo users find prices during this month for around £990.

You are more likely to see cheaper flights to Adelaide from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Adelaide for around £1,138 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Adelaide from London for as low as £986 on momondo.

You could potentially save up to 30% on your flight if you consider stops on a London to Adelaide flight.

As of August 2026, prices for London to Adelaide flights are approximately 8% cheaper when compared to flights at the same time last year.

British Airways, Turkish Airlines, and KLM are the most popular carriers operating from London to Adelaide

Emirates, Qatar Airways and Singapore Airlines are the top three most popular airlines that fly to Adelaide from London according to our data. Emirates is the first choice among our users, with 36% of people opting to fly with this airline when travelling to Adelaide. Keep in mind that there are 9 different airlines that fly to Adelaide on a routine basis, so you have a few additional options to choose from.

Doha (DOH) was the most common stop: 31% of momondo users choosing one-stop flights on this route connected there.

Flights via Sydney (SYD) offer the lowest average return price of £787.

Flights connecting via Dubai (DXB) have the shortest average one-way travel time: 20h 15m.

Singapore (SIN) has the shortest average stopover time for this route: 1h 26m.