Look for other cheap flights to London

$740 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 5/8. 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

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 Australia to London

Cheap return flights

Enter your travel dates to find the best prices.
Air China Logo
19:40 - 20:15
SYD
-
LHR
33h 35m
2 stops
Air China Logo
22:40 - 14:50
LHR
-
SYD
31h 10m
1 stop
$1,438Air China
Fri, 7 Aug - Fri, 21 Aug
Air China Logo
19:40 - 20:15
SYD
-
LHR
33h 35m
2 stops
Air China Logo
22:40 - 14:50
LHR
-
SYD
31h 10m
1 stop
$1,439Air China
Wed, 29 Jul - Wed, 19 Aug
Air China Logo
19:40 - 20:15
SYD
-
LHR
33h 35m
2 stops
Air China Logo
22:40 - 14:50
LHR
-
SYD
31h 10m
1 stop
$1,442Air China
Wed, 5 Aug - Fri, 21 Aug
China Eastern Logo
11:00 - 18:40
SYD
-
LHR
40h 40m
1 stop
China Eastern Logo
21:20 - 09:00
LHR
-
SYD
26h 40m
1 stop
$1,467China Eastern
Tue, 9 Jun - Mon, 22 Jun
China Southern Logo
22:10 - 18:35
SYD
-
LHR
31h 25m
1 stop
China Southern Logo
22:00 - 20:20
LHR
-
SYD
35h 20m
1 stop
$1,469China Southern
Thu, 5 Nov - Tue, 17 Nov
China Eastern Logo
12:00 - 15:00
MEL
-
LGW
37h 00m
1 stop
China Eastern Logo
10:30 - 10:00
LGW
-
MEL
36h 30m
1 stop
$1,491China Eastern
Fri, 16 Oct - Sun, 15 Nov
Etihad Airways Logo
18:20 - 12:45
MEL
-
LHR
28h 25m
1 stop
Etihad Airways Logo
08:50 - 17:00
LHR
-
MEL
21h 10m
1 stop
$1,511Etihad Airways
Fri, 16 Oct - Sun, 15 Nov
China Southern Logo
23:25 - 18:35
PER
-
LHR
27h 10m
1 stop
China Southern Logo
22:00 - 21:25
LHR
-
PER
39h 25m
1 stop
$1,539China Southern
Mon, 2 Nov - Sat, 7 Nov
Emirates Logo
06:00 - 12:55
SYD
-
STN
39h 55m
1 stop
Emirates Logo
14:55 - 06:05
STN
-
SYD
30h 10m
1 stop
$1,750Emirates
Tue, 9 Jun - Thu, 11 Jun
Emirates Logo
06:00 - 12:55
SYD
-
STN
39h 55m
1 stop
Emirates Logo
14:55 - 06:05
STN
-
SYD
30h 10m
1 stop
$1,776Emirates
Tue, 2 Jun - Fri, 5 Jun

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 22 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

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 7/8

19:40-20:15

2 stops33h 35m

London Heathrow

Fri 21/8

22:40-14:50

1 stop31h 10m

$1,438

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 29/7

19:40-20:15

2 stops33h 35m

London Heathrow

Wed 19/8

22:40-14:50

1 stop31h 10m

$1,439

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 5/8

19:40-20:15

2 stops33h 35m

London Heathrow

Fri 21/8

22:40-14:50

1 stop31h 10m

$1,442

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 9/6

11:00-18:40

1 stop40h 40m

London Heathrow

Mon 22/6

21:20-09:00

1 stop26h 40m

$1,467

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 5/11

22:10-18:35

1 stop31h 25m

London Heathrow

Tue 17/11

22:00-20:20

1 stop35h 20m

$1,469

MelbourneLondon

MEL - LGW

MELLGW

Melbourne

Fri 16/10

12:00-15:00

1 stop37h 00m

London Gatwick

Sun 15/11

10:30-10:00

1 stop36h 30m

$1,491
Fastest return journey

MelbourneLondon

MEL - LHR

MELLHR

Melbourne

Fri 16/10

18:20-12:45

1 stop28h 25m

London Heathrow

Sun 15/11

08:50-17:00

1 stop21h 10m

$1,511

PerthLondon

PER - LHR

PERLHR

Perth

Mon 2/11

23:25-18:35

1 stop27h 10m

London Heathrow

Sat 7/11

22:00-21:25

1 stop39h 25m

$1,539

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Tue 9/6

06:00-12:55

1 stop39h 55m

London Stansted

Thu 11/6

14:55-06:05

1 stop30h 10m

$1,750

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Tue 2/6

06:00-12:55

1 stop39h 55m

London Stansted

Fri 5/6

14:55-06:05

1 stop30h 10m

$1,776

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $1,558.

What is the absolute cheapest flight to London?

In the past two weeks, users have booked deals to London for $44/person, which is 88% 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 $2,043. 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 $2,531.

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 $2,100. In contrast, the most expensive time of day to depart to London is in the evening when prices are around $3,683.

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 $1,868 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 $1,795 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 $1,473 in February
MOST EXPENSIVE MONTH TO FLY TO LONDON FROM SYDNEYDecember30% more expensiveIt costs about $2,331 for flights to London from Sydney in December
MOST POPULAR MONTH TO FLY TO LONDON FROM SYDNEYJune458% 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

$740

Best Round-Trip Price

$1,438

Fastest flight time

23h 20m

Popular in

December
The best one-way flight price to London from Australia in the last 5 days is $740 (Melbourne to London Gatwick).
The best round-trip flight price to London from Australia in the last 5 days is $1,438 (Sydney Kingsford Smith to London Heathrow).
The fastest flight to London from Australia takes 23h 20m (Melbourne to London Heathrow).
December has the highest demand for flights to London, with a 4% 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 $1,779.

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 $168. 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
Hounslow
Wembley
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

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 21/6
Sun 28/6

Find better results for your trip to London