Cheap flights from London to Perth from £269
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 Perth departing on 3/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from London to Perth
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
Lufthansa flights from London to Perth
Our best Lufthansa deals on London to Perth flight tickets
Air Mauritius flights from London to Perth
Our best Air Mauritius deals on London to Perth flight tickets
See travel insights to Perth from
How to get the cheapest flight ticket from London to Perth
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 Perth?
The month of November is another great option to travel to Perth, with average flight prices from London averaging around £970.
What is the cheapest day to depart on your flight to Perth?
On average, the least expensive day to fly to Perth from London is on a Monday. momondo users have found tickets for Monday departures for as low as £1,339. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Perth is Tuesday, with ticket prices averaging around £1,408.
What is the cheapest time of day to depart on your flight to Perth?
Our data shows that the cheapest London to Perth flights are usually those with departure times in the afternoon. Our users have found flights to Perth in the afternoon for as low as £982. Flights to Perth are more costly in the morning, with an average ticket price of £1,378. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest London to Perth flight route?
Fly from London Heathrow to Perth for the best London - Perth flight prices
How far in advance should I book a flight to Perth?
You are more likely to see cheaper flights to Perth from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Perth for around £1,079 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Perth from London for as low as £1,005 on momondo.
What cabin class options are available on London to Perth flights?
There are 3 cabin classes available to choose from on London to Perth flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on London to Perth flights?
You could potentially save up to 12% on your flight if you consider stops on a London to Perth flight.
How have London to Perth flight prices changed over time?
As of July 2025, prices for London to Perth flights are approximately 11% cheaper when compared to flights at the same time last year.
How many flights depart from London to Perth on average per day?
1 flights are operational daily from London to Perth as of July 2025. The most popular departure time for this route is 11:00, with 100% of flights per day taking off at midday.
How many flights depart from London to Perth on average per week?
The number of flights available between London and Perth is 7 per week as of July 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.
When to book flights from London to Perth
Cheap London to Perth (LON to PER) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London to Perth
How far is London to Perth by plane?
A flight from London to Perth will travel around 8990.4 mi. 19h 55m is a normal flight duration for this route.
When did momondo last update prices for flights from London to Perth Airport?
Prices for flights from London to Perth Airport are refreshed on a daily basis.
How many operators does momondo search for flights from London to Perth Airport?
As of July 2025, there are 18 operators available to choose from for flights from London to Perth Airport.
How old do you have to be to fly from London to Perth Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Perth Airport.
What documentation or ID do you need to fly to Perth Airport?
The travel and health documents you'll need for your trip to Perth Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Perth Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London to Perth?
Based on momondo bookings for flights between London and Perth, the leading plane model is Boeing 787-9 Dreamliner, making up 97.94% of the total bookings. Other popular models include Airbus A380-800 with 1.87% and Boeing 777-300ER with 0.19%.
What is the most popular airline from London to Perth?
momondo data reveals that the most frequently booked airline on the route from London to Perth is Qantas Airways, representing 25% of all bookings. The subsequent popular airlines are Malaysia Airlines at 14%, Emirates at 14%, and Singapore Airlines at 14%.
Best airlines flying from London to Perth
Compare and see reviews for airlines that fly from London to Perth with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £125 | Free Cancellation | Rating 6.6 208 reviews | |||
| PriceFrom £127 | Free Cancellation | Rating 5.9 72 reviews | |||
| PriceFrom £506 | Free Cancellation | Rating 7.4 1,224 reviews | |||
| PriceFrom £638 | Free Cancellation | Rating 7.1 152 reviews | |||
| PriceFrom £655 | Free Cancellation | Rating 7.3 3,884 reviews | |||
| PriceFrom £662 | Free Cancellation | Rating 6.6 7,081 reviews | |||
| PriceFrom £689 | Free Cancellation | Rating 8.1 3,285 reviews | |||
| PriceFrom £695 | Free Cancellation | Rating 7.6 921 reviews | |||
| PriceFrom £758 | Free Cancellation | Rating 7.4 264 reviews | |||
| PriceFrom £808 | Free Cancellation | Rating 7.5 1,471 reviews |
Qantas Airways Flights From London to Perth
Qantas Airways flight deals from London to Perth start from £1,437 round-trip. Over the 7 Qantas Airways flights for this route in a normal week, average airfare is usually £1,835 round-trip - but some users have found much cheaper deals with momondo.
Travelling to a place near Perth?
Book flights to Perth if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from London to Perth?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Perth from London.
Can I find flights from London to Perth with flexible booking policies on momondo?
Flights from London to Perth with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from London to Perth?
Once all potential London to Perth flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from London to Perth right now. Can momondo alert me if prices change?
Price alerts on flights to Perth from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.