Look for other cheap flights to London

$744 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 19/10. 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.
Multiple Airlines Logo
23:20 - 21:05
PER
-
LHR
28h 45m
2 stops
Multiple Airlines Logo
18:30 - 01:10
LHR
-
PER
23h 40m
2 stops
$1,365Multiple Airlines
Sun, 7 Jun - Sun, 14 Jun
Multiple Airlines Logo
23:20 - 21:05
PER
-
LHR
28h 45m
2 stops
Multiple Airlines Logo
16:45 - 01:10
LHR
-
PER
25h 25m
2 stops
$1,367Multiple Airlines
Sun, 7 Jun - Sun, 21 Jun
China Eastern Logo
11:00 - 15:00
SYD
-
LGW
37h 00m
1 stop
China Eastern Logo
11:35 - 09:00
LGW
-
SYD
36h 25m
1 stop
$1,405China Eastern
Sun, 7 Jun - Thu, 11 Jun
Air China Logo
19:40 - 20:25
SYD
-
LHR
33h 45m
1 stop
Air China Logo
22:40 - 14:50
LHR
-
SYD
31h 10m
1 stop
$1,408Air China
Sat, 1 Aug - Tue, 18 Aug
China Eastern Logo
20:30 - 15:00
SYD
-
LGW
27h 30m
1 stop
China Eastern Logo
18:00 - 12:35
LGW
-
SYD
33h 35m
1 stop
$1,409China Eastern
Fri, 22 May - Wed, 10 Jun
China Eastern Logo
11:00 - 15:00
SYD
-
LGW
37h 00m
1 stop
China Eastern Logo
11:35 - 08:00
LGW
-
SYD
35h 25m
2 stops
$1,411China Eastern
Sun, 7 Jun - Thu, 11 Jun
Etihad Airways Logo
15:40 - 18:45
SYD
-
LHR
36h 05m
1 stop
Etihad Airways Logo
21:45 - 06:10
LHR
-
SYD
23h 25m
1 stop
$1,426Etihad Airways
Sun, 26 Jul - Mon, 31 Aug
Malaysia Airlines Logo
02:25 - 15:25
PER
-
LHR
21h 00m
1 stop
Malaysia Airlines Logo
21:25 - 01:25
LHR
-
PER
20h 00m
1 stop
$1,452Malaysia Airlines
Mon, 2 Nov - Tue, 17 Nov
Malaysia Airlines Logo
16:15 - 15:25
PER
-
LHR
31h 10m
1 stop
Malaysia Airlines Logo
10:25 - 15:15
LHR
-
PER
20h 50m
1 stop
$1,454Malaysia Airlines
Tue, 3 Nov - Tue, 17 Nov
China Southern Logo
23:00 - 18:35
BNE
-
LHR
29h 35m
1 stop
China Southern Logo
22:00 - 21:20
LHR
-
BNE
37h 20m
1 stop
$1,560China Southern
Sun, 25 Oct - Sat, 7 Nov

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 12 May 2026.
Use the filters below to find and compare flights to London that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

PerthLondon

PER - LHR

PERLHR

Perth

Sun 7/6

23:20-21:05

2 stops28h 45m

London Heathrow

Sun 14/6

18:30-01:10

2 stops23h 40m

$1,365

PerthLondon

PER - LHR

PERLHR

Perth

Sun 7/6

23:20-21:05

2 stops28h 45m

London Heathrow

Sun 21/6

16:45-01:10

2 stops25h 25m

$1,367

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Sun 7/6

11:00-15:00

1 stop37h 00m

London Gatwick

Thu 11/6

11:35-09:00

1 stop36h 25m

$1,405

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 1/8

19:40-20:25

1 stop33h 45m

London Heathrow

Tue 18/8

22:40-14:50

1 stop31h 10m

$1,408

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Fri 22/5

20:30-15:00

1 stop27h 30m

London Gatwick

Wed 10/6

18:00-12:35

1 stop33h 35m

$1,409

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Sun 7/6

11:00-15:00

1 stop37h 00m

London Gatwick

Thu 11/6

11:35-08:00

2 stops35h 25m

$1,411

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 26/7

15:40-18:45

1 stop36h 05m

London Heathrow

Mon 31/8

21:45-06:10

1 stop23h 25m

$1,426
Fastest return journey

PerthLondon

PER - LHR

PERLHR

Perth

Mon 2/11

02:25-15:25

1 stop21h 00m

London Heathrow

Tue 17/11

21:25-01:25

1 stop20h 00m

$1,452

PerthLondon

PER - LHR

PERLHR

Perth

Tue 3/11

16:15-15:25

1 stop31h 10m

London Heathrow

Tue 17/11

10:25-15:15

1 stop20h 50m

$1,454

BrisbaneLondon

BNE - LHR

BNELHR

Brisbane

Sun 25/10

23:00-18:35

1 stop29h 35m

London Heathrow

Sat 7/11

22:00-21:20

1 stop37h 20m

$1,560

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 October instead. Flights to London in October, while not as cheap as those in February, still average around $1,532.

What is the absolute cheapest flight to London?

In the past two weeks, users have booked deals to London for $37/person, which is 90% 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 $2,014. 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 $2,474.

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 afternoon when flights can be purchased for as low as $2,038. In contrast, the most expensive time of day to depart to London is in the evening when prices are around $3,628.

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 $1,838 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 $1,768 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 SYDNEYFebruary18% cheaperFlying from Sydney to London costs on average just $1,451 in February
MOST EXPENSIVE MONTH TO FLY TO LONDON FROM SYDNEYDecember30% more expensiveIt costs about $2,294 for flights to London from Sydney in December
MOST POPULAR MONTH TO FLY TO LONDON FROM SYDNEYDecember279% more users visitedMore momondo users searched in flights to London from Sydney in December than any other month

Cheap London flight deals and tips

Summary info about London flight prices, duration and airlines

Best One-Way Price

$744

Best Round-Trip Price

$1,365

Fastest flight time

30h 15m

Popular in

December
The best one-way flight price to London from Australia in the last 72 hours is $744 (Melbourne to London Heathrow).
The best round-trip flight price to London from Australia in the last 72 hours is $1,365 (Perth to London Heathrow).
The fastest flight to London from Australia takes 30h 15m (Perth to London Heathrow).
December has the highest demand for flights to London, with a 5% 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 37 days in advance, when prices tend to average $1,752.

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 $157. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

Are there flights to City of London?

Yes, flights to City of London are served by London’s London Heathrow airport which is 25.7 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
Wembley
Hounslow
Milton Keynes
Deal
Brentford
Abingdon
Ipswich
Marlow
Eastbourne
Watford
Chichester
Brentwood
Maidstone
Dover
Slough
Ascot
Stansted
Ashford
Lewes

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.

Get notified when prices go down

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Thu 11/6
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