Look for other cheap flights to London

$679 Cheap flights to London

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to London departing on 17/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Australia to London

Cheap return flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
17:05 - 15:20
PER
-
LHR
30h 15m1 stop
Singapore Airlines Logo
09:10 - 12:35
LHR
-
PER
19h 25m1 stop
$1,461Singapore Airlines
Thu, 22 Jan - Fri, 20 Feb
Multiple Airlines Logo
16:15 - 15:25
PER
-
LHR
31h 10m1 stop
Multiple Airlines Logo
22:15 - 17:10
LHR
-
PER
35h 55m2 stops
$1,464Multiple Airlines
Mon, 16 Feb - Tue, 12 May
Malaysia Airlines Logo
02:10 - 16:35
PER
-
LHR
21h 25m1 stop
Malaysia Airlines Logo
21:35 - 14:50
LHR
-
PER
34h 15m1 stop
$1,465Malaysia Airlines
Sun, 31 May - Sun, 21 Jun
Cathay Pacific Logo
00:25 - 17:20
PER
-
LHR
24h 55m1 stop
Cathay Pacific Logo
16:50 - 06:55
LHR
-
PER
30h 05m1 stop
$1,468Cathay Pacific
Tue, 20 Jan - Tue, 24 Feb
Malaysia Airlines Logo
02:10 - 05:55
PER
-
LHR
34h 45m1 stop
Malaysia Airlines Logo
21:35 - 01:10
LHR
-
PER
20h 35m1 stop
$1,470Malaysia Airlines
Sun, 31 May - Sun, 21 Jun
Multiple Airlines Logo
00:25 - 17:20
PER
-
LHR
24h 55m1 stop
Multiple Airlines Logo
21:30 - 21:25
LHR
-
PER
63h 55m2 stops
$1,471Multiple Airlines
Wed, 18 Feb - Mon, 2 Mar
China Eastern Logo
11:10 - 17:30
BNE
-
LHR
40h 20m1 stop
China Eastern Logo
21:00 - 09:00
LHR
-
BNE
26h 00m1 stop
$1,552China Eastern
Sun, 8 Feb - Sun, 22 Feb
China Eastern Logo
11:10 - 17:30
BNE
-
LHR
40h 20m1 stop
China Eastern Logo
21:00 - 09:00
LHR
-
BNE
26h 00m1 stop
$1,555China Eastern
Sun, 8 Feb - Sun, 22 Feb
China Southern Logo
10:10 - 07:05
BNE
-
LGW
29h 55m1 stop
China Southern Logo
21:30 - 08:15
LGW
-
BNE
49h 45m2 stops
$1,589China Southern
Wed, 22 Apr - Sat, 30 May
China Southern Logo
21:45 - 18:30
SYD
-
LGW
29h 45m2 stops
China Southern Logo
12:00 - 19:40
LGW
-
SYD
22h 40m1 stop
$1,591China Southern
Mon, 27 Apr - Fri, 29 May

momondo Fare Finder

 
Locate flights to London that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 78,305 searches and data was last updated on 5 December 2025.
Use the filters below to find and compare flights to London that are best for you.

Fly from

Route

Depart

Return

Price

PerthLondon

PER - LHR

PERLHR

Perth

Thu 22/1

17:05-15:20

1 stop30h 15m

London Heathrow

Fri 20/2

09:10-12:35

1 stop19h 25m

$1,461

PerthLondon

PER - LHR

PERLHR

Perth

Mon 16/2

16:15-15:25

1 stop31h 10m

London Heathrow

Tue 12/5

22:15-17:10

2 stops35h 55m

$1,464

PerthLondon

PER - LHR

PERLHR

Perth

Sun 31/5

02:10-16:35

1 stop21h 25m

London Heathrow

Sun 21/6

21:35-14:50

1 stop34h 15m

$1,465

PerthLondon

PER - LHR

PERLHR

Perth

Tue 20/1

00:25-17:20

1 stop24h 55m

London Heathrow

Tue 24/2

16:50-06:55

1 stop30h 05m

$1,468

PerthLondon

PER - LHR

PERLHR

Perth

Sun 31/5

02:10-05:55

1 stop34h 45m

London Heathrow

Sun 21/6

21:35-01:10

1 stop20h 35m

$1,470

PerthLondon

PER - LHR

PERLHR

Perth

Wed 18/2

00:25-17:20

1 stop24h 55m

London Heathrow

Mon 2/3

21:30-21:25

2 stops63h 55m

$1,471

BrisbaneLondon

BNE - LHR

BNELHR

Brisbane

Sun 8/2

11:10-17:30

1 stop40h 20m

London Heathrow

Sun 22/2

21:00-09:00

1 stop26h 00m

$1,552

BrisbaneLondon

BNE - LHR

BNELHR

Brisbane

Sun 8/2

11:10-17:30

1 stop40h 20m

London Heathrow

Sun 22/2

21:00-09:00

1 stop26h 00m

$1,555

BrisbaneLondon

BNE - LGW

BNELGW

Brisbane

Wed 22/4

10:10-07:05

1 stop29h 55m

London Gatwick

Sat 30/5

21:30-08:15

2 stops49h 45m

$1,589

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Mon 27/4

21:45-18:30

2 stops29h 45m

London Gatwick

Fri 29/5

12:00-19:40

1 stop22h 40m

$1,591

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

London flights insights and trends

Explore insights for your London flight to craft the best travel plan

What is the cheapest month to fly to London?

If you aren’t able to travel during the month of February, then book flights to London from Australia during May instead. Flights to London in May, while not as cheap as those in February, still average around $1,602.

What is the absolute cheapest flight to London?

In the past two weeks, users have booked deals to London for $34/person, which is 89% cheaper than the average flight to London. To find the cheapest price to London from your area, use momondo’s Airport-to-Airport Pricing Tool.
See prices from:

What is the cheapest day to depart on your flight to London?

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as $2,059. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Australia to London for around $2,397.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as $1,756. In contrast, the most expensive time of day to depart to London is at midday when prices are around $2,437.

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $1,964 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Australia for as low as $1,839 on momondo.

Cheapest flights to London

Find the cheapest flights to London from your nearest city or airport
CHEAPEST MONTH TO FLY TO LONDON FROM SYDNEYFebruary16% cheaperFlying from Sydney to London costs on average just $1,582 in February
MOST EXPENSIVE MONTH TO FLY TO LONDON FROM SYDNEYDecember37% more expensiveIt costs about $2,577 for flights to London from Sydney in December
MOST POPULAR MONTH TO FLY TO LONDON FROM SYDNEYJune339% more users visitedMore momondo users searched in flights to London from Sydney in June than any other month

Cheap London flight deals and tips

Summary info about London flight prices, duration and airlines

Best One-Way Price

$679

Best Round-Trip Price

$1,461

Fastest flight time

30h 40m

Popular in

December
The best one-way flight price to London from Australia in the last 72 hours is $679 (Melbourne to London Stansted).
The best round-trip flight price to London from Australia in the last 72 hours is $1,461 (Perth to London Heathrow).
The fastest flight to London from Australia takes 30h 40m (Perth to London Heathrow).
December has the highest demand for flights to London, with a 8% price increase on average.

Frequently asked questions about flying to London

How far in advance should I book a flight to London?

The ideal time to book your flight to London is 53 days in advance, when prices tend to average $1,879.

Is there an alternative airport near London?

Those flying to London could potentially find better pricing at London City Airport (12 km from London city centre), London Gatwick Airport (38 km from London city centre), London Luton Airport (45 km from London city centre), London Stansted Airport (50 km from London city centre) or London Southend Airport (57 km from London city centre) depending on the month and departure airport.

Is there a cheaper alternative to flying into London?

Prices vary based on where travellers are departing from, but on average, the cheapest airport to fly to in London is London Stansted Airport where the average price is $219. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

Are there flights to Covent Garden?

Yes, flights to Covent Garden are served by London’s London Heathrow airport which is 23.4 km away.

What’s the closest airport to Paddington Station?

The airport which is nearest to Paddington Station is London Heathrow. It is 20.0 km away and is in London.

When did momondo last update prices for flights to London?

Prices for flights to London are refreshed on a daily basis.

How many operators does momondo search for flights to London?

How old do you have to be to fly to London?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to London.

What documentation or ID do you need to fly to London?

The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Wembley
Milton Keynes
Brentford
Deal
Dover
Ipswich
Abingdon
Eastbourne
Slough
Chichester
Canterbury
Kingston upon Thames
Brentwood
Guildford
Sutton
Maidstone
Watford
Ashford

Why use momondo?

Why should I use momondo to find a flight deal to London?

We help find the flight that best suits your needs; momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight for you.

Can I find flights to London with flexible booking policies on momondo?

All flight searches to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights to London?

Once you have performed a search for flights to London, momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight to London right now. Can momondo alert me if prices change?

Price alerts on flights to 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.

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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1 adult
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