Cheap flights from London to Australia from $680
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Australia departing on 4/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from London to Australia
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Australia?
In general, May is the cheapest month to fly from London to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,631. If you don’t want to visit Australia in May, then you should wait until March to fly from London, when ticket prices are also cheap, with an average price of $1,681.
What is the cheapest day to depart on your flight to Australia?
On average, the least expensive day to fly to Australia from London is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $2,142. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from London to Australia on a Friday will generally be more expensive and average around $3,334. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Australia?
According to our data, the cheapest time of day to fly to Australia is in the afternoon. momondo users have found flights departing from London to Australia in the afternoon for as low as $2,032. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Australia are more costly in the evening, with an average ticket price of $2,540. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest London to Australia flight route?
Fly from London Heathrow to Sydney Kingsford Smith for the best London - Australia flight prices
How far in advance should I book a flight to Australia?
You are more likely to see cheaper flights to Australia from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $2,025 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from London for as low as $1,660 on momondo.
What cabin class options are available on London to Australia flights?
There are 4 cabin classes available to choose from on London to Australia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from London to Australia?
Air China and China Southern are the most popular carriers operating from London to Australia
Which airlines fly to Australia?
Singapore Airlines, Cathay Pacific and Qatar Airways are the top three most popular airlines that fly to Australia from London according to our data. Singapore Airlines is the first choice among our users, with 34% of people opting to fly with this airline when travelling to Australia. Keep in mind that there are 18 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.
How many flights depart from London to Australia on average per day?
The number of flights available between London and Australia is 4 per day as of July 2025. The most frequent departure time is 21:00, with 75% of daily flights leaving in the evening.
How many flights depart from London to Australia on average per week?
The number of flights available between London and Australia is 28 per week as of July 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.
Cheap London to Australia flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London to Australia
Best price found | $680 |
|---|---|
Fastest flight time | 21h 25m |
Direct flights | Every day |
Airports in Australia | 4 airports |
When did momondo last update prices for flights from London to Australia?
Prices for flights from London to Australia were last updated today.
How many operators does momondo search for flights from London to Australia?
As of July 2025, there are 18 operators available to choose from for flights from London to Australia.
How old do you have to be to fly from London to Australia?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London to Australia.
What documentation or ID do you need to fly to Australia?
The required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from London to Australia?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London to Australia is Boeing 787-9 Dreamliner (80.39% of total bookings). The next most popular plane models are Airbus A380-800 (15.65%) and Boeing 777-300ER (3.96%).
Best airlines flying from London to Australia
Compare and see reviews for airlines that fly from London to Australia with momondo
| Airline | Rating | Free cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $619 | Free cancellation | Rating 7.2 89 reviews | |||
| PriceFrom $1,089 | Free cancellation | Rating 7.2 151 reviews | |||
| PriceFrom $1,104 | Free cancellation | Rating 6.6 7,095 reviews | |||
| PriceFrom $1,119 | Free cancellation | Rating 7.6 101 reviews | |||
| PriceFrom $1,193 | Free cancellation | Rating 7.4 3,590 reviews | |||
| PriceFrom $1,322 | Free cancellation | Rating 7.4 265 reviews | |||
| PriceFrom $1,348 | Free cancellation | Rating 5.7 7 reviews | |||
| PriceFrom $1,447 | Free cancellation | Rating 8.1 3,287 reviews | |||
| PriceFrom $1,454 | Free cancellation | Rating 7.4 8,846 reviews | |||
| PriceFrom $1,499 | Free cancellation | Rating 5.5 2,924 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Australia?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Australia . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from London to Australia with flexible booking policies on momondo?
momondo does allow users to show only those flights to Australia from London which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from London to Australia?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Australia.
I’m not ready to book a flight from London to Australia right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Australia, momondo offers a useful price alert feature which will track prices for flights to Australia from London and alert you when they change.