Which airlines fly to London Heathrow Airport?

Singapore Airlines, Qantas Airways and Cathay Pacific are the top three most popular airlines that fly to London Heathrow Airport from Cairns according to our data. Singapore Airlines is the first choice among our users, with 82% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 3 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Cairns to London Heathrow?

Singapore Airlines, Qatar Airways, and KLM are the most popular carriers operating from Cairns to London Heathrow

When did momondo last update prices for flights from Cairns Airport to London Heathrow Airport?

Prices for flights from Cairns Airport to London Heathrow Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Cairns Airport to London Heathrow Airport?

As of August 2025, there are 3 operators available to choose from for flights from Cairns Airport to London Heathrow Airport.

How old do you have to be to fly from Cairns Airport to London Heathrow Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Cairns Airport to London Heathrow Airport.

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

The travel and health documents you'll need for your trip to London Heathrow 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 licence and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$793 Cheap Flights from Cairns to London Heathrow Airport (CNS-LHR) in 2025

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Find the cheapest flights from Cairns to London (CNS-LHR)

Round-trip

One-way

Cheap return flights

18:35 - 19:10CNS-LHR

34h 35m1 stop

21:45 - 17:20LHR-CNS

33h 35m1 stop

$1,747Singapore Airlines

Find Deal

Wed, 14 Jan - Sat, 28 Feb

18:35 - 15:20CNS-LHR

30h 45m1 stop

21:45 - 17:20LHR-CNS

33h 35m1 stop

$1,753Singapore Airlines

Find Deal

Wed, 14 Jan - Sat, 28 Feb

18:35 - 15:20CNS-LHR

54h 45m1 stop

20:35 - 17:20LHR-CNS

34h 45m1 stop

$1,951Singapore Airlines

Find Deal

Sun, 11 Jan - Mon, 26 Jan

21:30 - 19:00CNS-LHR

54h 30m2 stops

21:20 - 19:40LHR-CNS

37h 20m2 stops

$2,011

Find Deal

Thu, 2 Oct - Thu, 23 Oct

16:10 - 18:40CNS-LHR

59h 30m2 stops

21:20 - 19:00LHR-CNS

36h 40m2 stops

$2,020

Find Deal

Wed, 10 Sep - Mon, 15 Sep

17:20 - 14:00CNS-LHR

30h 40m2 stops

08:05 - 23:05LHR-CNS

29h 00m2 stops

$2,079Qatar Airways

Find Deal

Wed, 14 Jan - Sat, 28 Feb

17:20 - 12:10CNS-LHR

28h 50m2 stops

08:35 - 23:05LHR-CNS

28h 30m2 stops

$2,100Qatar Airways

Find Deal

Wed, 14 Jan - Sat, 28 Feb

06:00 - 06:15CNS-LHR

34h 15m3 stops

20:10 - 10:45LHR-CNS

28h 35m2 stops

$2,377Qantas Airways

Find Deal

Wed, 14 Jan - Sat, 28 Feb

06:00 - 06:15CNS-LHR

34h 15m3 stops

20:10 - 14:05LHR-CNS

31h 55m3 stops

$2,488Qantas Airways

Find Deal

Wed, 14 Jan - Sat, 28 Feb

12:00 - 20:10CNS-LHR

42h 10m1 stop

22:05 - 11:50LHR-CNS

51h 45m2 stops

$2,741Cathay Pacific

Find Deal

Sat, 10 Jan - Mon, 26 Jan

Qantas Airways flights from Cairns to London Heathrow Airport

Our best Qantas Airways deals on Cairns to London Heathrow Airport flight tickets

Qantas Airways

14 Jan

CNS06:00Cairns

34h 15m

3 stops

LHR06:15London Heathrow

28 Feb

LHR20:10London Heathrow

28h 35m

2 stops

CNS10:45Cairns

$2,377

Find similar

Qantas Airways

14 Jan

CNS06:00Cairns

34h 15m

3 stops

LHR06:15London Heathrow

28 Feb

LHR20:10London Heathrow

31h 55m

3 stops

CNS14:05Cairns

$2,488

Find similar

Qantas Airways

14 Jan

CNS06:00Cairns

34h 15m

3 stops

LHR06:15London Heathrow

28 Feb

LHR20:10London Heathrow

31h 55m

3 stops

CNS14:05Cairns

$2,495

Find similar

Singapore Airlines flights from Cairns to London Heathrow Airport

Our best Singapore Airlines deals on Cairns to London Heathrow Airport flight tickets

Singapore Airlines

14 Jan

CNS18:35Cairns

34h 35m

1 stop

LHR19:10London Heathrow

28 Feb

LHR21:45London Heathrow

33h 35m

1 stop

CNS17:20Cairns

$1,747

Find similar

Singapore Airlines

14 Jan

CNS18:35Cairns

30h 45m

1 stop

LHR15:20London Heathrow

28 Feb

LHR21:45London Heathrow

33h 35m

1 stop

CNS17:20Cairns

$1,753

Find similar

Singapore Airlines

11 Jan

CNS18:35Cairns

54h 45m

1 stop

LHR15:20London Heathrow

26 Jan

LHR20:35London Heathrow

34h 45m

1 stop

CNS17:20Cairns

$1,951

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Cairns to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 14/1

18:35-19:10

1 stop34h 35m

London Heathrow

Sat 28/2

21:45-17:20

1 stop33h 35m

$1,747

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 14/1

18:35-15:20

1 stop30h 45m

London Heathrow

Sat 28/2

21:45-17:20

1 stop33h 35m

$1,753

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sun 11/1

18:35-15:20

1 stop54h 45m

London Heathrow

Mon 26/1

20:35-17:20

1 stop34h 45m

$1,951

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 2/10

21:30-19:00

2 stops54h 30m

London Heathrow

Thu 23/10

21:20-19:40

2 stops37h 20m

$2,011

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 10/9

16:10-18:40

2 stops59h 30m

London Heathrow

Mon 15/9

21:20-19:00

2 stops36h 40m

$2,020

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 14/1

17:20-14:00

2 stops30h 40m

London Heathrow

Sat 28/2

08:05-23:05

2 stops29h 00m

$2,079

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 14/1

17:20-12:10

2 stops28h 50m

London Heathrow

Sat 28/2

08:35-23:05

2 stops28h 30m

$2,100

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 14/1

06:00-06:15

3 stops34h 15m

London Heathrow

Sat 28/2

20:10-10:45

2 stops28h 35m

$2,377

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 14/1

06:00-06:15

3 stops34h 15m

London Heathrow

Sat 28/2

20:10-14:05

3 stops31h 55m

$2,488

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sat 10/1

12:00-20:10

1 stop42h 10m

London Heathrow

Mon 26/1

22:05-11:50

2 stops51h 45m

$2,741

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Cairns to London Heathrow Airport

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

Prices

Airlines

What is the cheapest month to fly to London Heathrow Airport?

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from Cairns, with most prices found around $1,495. If you aren’t able to travel during the month of October, then book flights to London Heathrow Airport from Cairns during February instead. Flights to London Heathrow Airport in February, while not as cheap as those in October, still average around $1,520.

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

Our data shows that Sunday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $1,990. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Cairns to London Heathrow Airport for around $2,994.

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

In the afternoon is the cheapest time of day to fly from Cairns to London Heathrow Airport when you can find flight prices for as low as $2,059. Flying to London Heathrow Airport in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to London Heathrow Airport is in the evening when prices are around $2,518.

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

You are more likely to see cheaper flights to London Heathrow Airport from Cairns when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $2,201 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Cairns for as low as $1,790 on momondo.

Can stopping save me money on Cairns to London Heathrow Airport flights?

You could potentially save up to 42% on your flight if you consider stops on a Cairns to London Heathrow Airport flight.

How have Cairns to London Heathrow Airport flight prices changed over time?

As of August 2025, prices for Cairns to London Heathrow Airport flights are approximately 5% cheaper when compared to flights at the same time last year.

When to book flights from Cairns to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Cairns to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Cairns to London Heathrow Airport (CNS to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cairns to London Heathrow Airport

Best price found	$793
Fastest flight time	22h 30m
Direct flights	None

The best one-way flight to London Heathrow Airport from Cairns in the past 72 hours is $793. The best return flight deal from Cairns to London Heathrow Airport found on momondo in the last 72 hours is $1,747.

The fastest flight from Cairns to London Heathrow Airport takes 22h 30m

There are no direct flights from Cairns to London Heathrow Airport. Popular non-direct route for this connection is Cairns Airport - London Heathrow Airport.

Search flight deals

How far is Cairns to London Heathrow by plane?
Cairns and London Heathrow are 15146.4 km apart from one another. 22h 30m is a normal flight duration for this route.
When did momondo last update prices for flights from Cairns Airport to London Heathrow Airport?
Prices for flights from Cairns Airport to London Heathrow Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Cairns Airport to London Heathrow Airport?
As of August 2025, there are 3 operators available to choose from for flights from Cairns Airport to London Heathrow Airport.
How old do you have to be to fly from Cairns Airport to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Cairns Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents you'll need for your trip to London Heathrow 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 licence and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Cairns to London Heathrow Airport?
momondo data reveals that the most frequently booked airline on the route from Cairns to London Heathrow Airport is Singapore Airlines, representing 82% of all bookings. The subsequent popular airlines are Qantas Airways at 12% and Cathay Pacific at 6%.

Best airlines flying from Cairns to London Heathrow Airport

Compare and see reviews for airlines that fly from Cairns to London Heathrow Airport with momondo

Airline	Rating	Free cancellation	Price
Singapore Airlines	PriceFrom $1,432	Free cancellation	Rating 8.1 1,347 reviews	Search Singapore Airlines flights
Qantas Airways	PriceFrom $2,068	Free cancellation	Rating 7.5 895 reviews	Search Qantas Airways flights
Cathay Pacific	PriceFrom $2,165	Free cancellation	Rating 7.6 968 reviews	Search Cathay Pacific flights

Gatwick

Hounslow

Brentford

Wembley

Slough

Dover

Ipswich

Abingdon

Harrow

Richmond

Eastbourne

Chichester

Canterbury

Deal

Kingston upon Thames

Brentwood

Milton Keynes

Guildford

Salisbury

Sutton

Why use momondo?

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

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 London from Cairns.

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

Yes. All flights to London from Cairns on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Cairns to London?

Once all potential Cairns to London 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 Cairns to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Cairns to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

An easier way to manage your London Heathrow Airport trip

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Cheap flights from Cairns to London from $793

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cairns to London departing on 15/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Find the cheapest flights from Cairns to London (CNS-LHR)

Cheap return flights

Cheap one-way flights

Qantas Airways flights from Cairns to London Heathrow Airport

Our best Qantas Airways deals on Cairns to London Heathrow Airport flight tickets

Singapore Airlines flights from Cairns to London Heathrow Airport

Our best Singapore Airlines deals on Cairns to London Heathrow Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Cairns to London Heathrow Airport that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from Cairns to London Heathrow Airport

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 London Heathrow Airport?

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

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

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

Can stopping save me money on Cairns to London Heathrow Airport flights?

You could potentially save up to 42% on your flight if you consider stops on a Cairns to London Heathrow Airport flight.

How have Cairns to London Heathrow Airport flight prices changed over time?

As of August 2025, prices for Cairns to London Heathrow Airport flights are approximately 5% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Cairns to London Heathrow?

Singapore Airlines, Qatar Airways, and KLM are the most popular carriers operating from Cairns to London Heathrow

Which airlines fly to London Heathrow Airport?

When to book flights from Cairns to London Heathrow Airport

Cheap Cairns to London Heathrow Airport (CNS to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cairns to London Heathrow Airport

Best price found

Fastest flight time

Direct flights

How far is Cairns to London Heathrow by plane?

When did momondo last update prices for flights from Cairns Airport to London Heathrow Airport?

How many operators does momondo search for flights from Cairns Airport to London Heathrow Airport?

How old do you have to be to fly from Cairns Airport to London Heathrow Airport?

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

What is the most popular airline from Cairns to London Heathrow Airport?

Best airlines flying from Cairns to London Heathrow Airport

Compare and see reviews for airlines that fly from Cairns to London Heathrow Airport with momondo

Travelling to a place near London?

Why use momondo?

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

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

How can momondo help me find flights from Cairns to London?

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

An easier way to manage your London Heathrow Airport 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.

Find better results for your trip to London

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo