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

Singapore Airlines is the most popular carrier 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 old do you have to be to fly from Cairns Airport to London Heathrow Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 license 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.

£372 Cheap Flights from Cairns to London Heathrow Airport in 2026

Find the cheapest flights from Cairns to London

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

06:45 - 20:25CNS Cairns-LHR London Heathrow

46h 40m2 stops Sydney Kingsford Smith Beijing Capital

20:25 - 13:45LHR London Heathrow-CNS Cairns

31h 20m2 stops Beijing Capital Sydney Kingsford Smith

£947Multiple Airlines

Tue, 8 Sep - Mon, 30 Nov

18:15 - 19:30CNS Cairns-LHR London Heathrow

34h 15m1 stop Singapore Changi

20:35 - 17:20LHR London Heathrow-CNS Cairns

34h 45m1 stop Singapore Changi

£961Singapore Airlines

Sun, 18 Oct - Wed, 11 Nov

18:15 - 19:30CNS Cairns-LHR London Heathrow

34h 15m1 stop Singapore Changi

20:35 - 17:20LHR London Heathrow-CNS Cairns

34h 45m1 stop Singapore Changi

£962Singapore Airlines

Sun, 18 Oct - Wed, 11 Nov

06:00 - 18:40CNS Cairns-LHR London Heathrow

45h 40m2 stops Brisbane Shanghai Pu Dong

21:00 - 08:20LHR London Heathrow-CNS Cairns

49h 20m2 stops Shanghai Pu Dong Sydney Kingsford Smith

£973Multiple Airlines

Sat, 3 Oct - Thu, 29 Oct

18:20 - 19:10CNS Cairns-LHR London Heathrow

34h 50m1 stop Singapore Changi

20:35 - 17:15LHR London Heathrow-CNS Cairns

34h 40m1 stop Singapore Changi

£1,003Singapore Airlines

Wed, 18 Nov - Wed, 10 Feb

18:15 - 19:30CNS Cairns-LHR London Heathrow

34h 15m1 stop Singapore Changi

21:45 - 17:20LHR London Heathrow-CNS Cairns

33h 35m1 stop Singapore Changi

£1,004Singapore Airlines

Sun, 18 Oct - Wed, 11 Nov

18:15 - 19:30CNS Cairns-LHR London Heathrow

34h 15m1 stop Singapore Changi

20:35 - 17:20LHR London Heathrow-CNS Cairns

34h 45m1 stop Singapore Changi

£1,005Singapore Airlines

Sun, 18 Oct - Wed, 11 Nov

06:45 - 18:40CNS Cairns-LHR London Heathrow

44h 55m2 stops Sydney Kingsford Smith Shanghai Pu Dong

21:00 - 22:10LHR London Heathrow-CNS Cairns

39h 10m2 stops Shanghai Pu Dong Melbourne

£1,008Multiple Airlines

Mon, 14 Sep - Tue, 10 Nov

10:30 - 20:25CNS Cairns-LHR London Heathrow

42h 55m2 stops Melbourne Beijing Capital

20:25 - 14:55LHR London Heathrow-CNS Cairns

32h 30m2 stops Beijing Capital Sydney Kingsford Smith

£1,025Multiple Airlines

Wed, 9 Sep - Mon, 9 Nov

18:15 - 19:30CNS Cairns-LHR London Heathrow

58h 15m1 stop Singapore Changi

10:40 - 17:20LHR London Heathrow-CNS Cairns

20h 40m1 stop Singapore Changi

£1,030Singapore Airlines

Sun, 11 Oct - Sun, 8 Nov

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Singapore Airlines flights from Cairns to London Heathrow Airport

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

Singapore Airlines

18 Oct

CNS18:15Cairns

34h 15m

1 stop

LHR19:30London Heathrow

11 Nov

LHR20:35London Heathrow

34h 45m

1 stop

CNS17:20Cairns

£961

Singapore Airlines

18 Oct

CNS18:15Cairns

34h 15m

1 stop

LHR19:30London Heathrow

11 Nov

LHR20:35London Heathrow

34h 45m

1 stop

CNS17:20Cairns

£962

Singapore Airlines

18 Nov

CNS18:20Cairns

34h 50m

1 stop

LHR19:10London Heathrow

10 Feb

LHR20:35London Heathrow

34h 40m

1 stop

CNS17:15Cairns

£1,003

Qantas Airways flights from Cairns to London Heathrow Airport

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

Qantas Airways

11 Nov

CNS11:40Cairns

51h 50m

2 stops

LHR05:30London Heathrow

15 Nov

LHR20:10London Heathrow

28h 45m

2 stops

CNS10:55Cairns

£1,172

Qantas Airways

11 Nov

CNS06:00Cairns

33h 30m

2 stops

LHR05:30London Heathrow

15 Nov

LHR20:10London Heathrow

28h 45m

2 stops

CNS10:55Cairns

£1,173

Qantas Airways

11 Nov

CNS06:00Cairns

33h 30m

2 stops

LHR05:30London Heathrow

15 Nov

LHR20:10London Heathrow

28h 45m

2 stops

CNS10:55Cairns

£1,175

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

Cheapest return flight

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Tue 8/9

06:45-20:25

2 stops46h 40m

London Heathrow

Mon 30/11

20:25-13:45

2 stops31h 20m

£947

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Sun 18/10

18:15-19:30

1 stop34h 15m

London Heathrow

Wed 11/11

20:35-17:20

1 stop34h 45m

£961

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Sun 18/10

18:15-19:30

1 stop34h 15m

London Heathrow

Wed 11/11

20:35-17:20

1 stop34h 45m

£962

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Sat 3/10

06:00-18:40

2 stops45h 40m

London Heathrow

Thu 29/10

21:00-08:20

2 stops49h 20m

£973

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Wed 18/11

18:20-19:10

1 stop34h 50m

London Heathrow

Wed 10/2

20:35-17:15

1 stop34h 40m

£1,003

Fastest return journey

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Sun 18/10

18:15-19:30

1 stop34h 15m

London Heathrow

Wed 11/11

21:45-17:20

1 stop33h 35m

£1,004

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Sun 18/10

18:15-19:30

1 stop34h 15m

London Heathrow

Wed 11/11

20:35-17:20

1 stop34h 45m

£1,005

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Mon 14/9

06:45-18:40

2 stops44h 55m

London Heathrow

Tue 10/11

21:00-22:10

2 stops39h 10m

£1,008

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Wed 9/9

10:30-20:25

2 stops42h 55m

London Heathrow

Mon 9/11

20:25-14:55

2 stops32h 30m

£1,025

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Sun 11/10

18:15-19:30

1 stop58h 15m

London Heathrow

Sun 8/11

10:40-17:20

1 stop20h 40m

£1,030

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 typical price of a round-trip flight between Cairns and London Heathrow Airport?

Prices are currently low for flights on this route.

Typical prices usually range from £1,039 to £1,058.
The lowest price recently found on this route was £947.

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

In general, January is the cheapest month to fly from Cairns to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £0. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Cairns averaging around £827.

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

You could potentially save up to 15% 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?

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

Fastest flight time	33h 30m
Direct flights	None

The fastest flight from Cairns to London Heathrow Airport takes 33h 30m

There are no direct flights from Cairns to London Heathrow Airport. There are no popular flight routes from Cairns to London Heathrow Airport.

Search flight deals

Frequently asked questions about flying from Cairns to London Heathrow Airport

How far is Cairns to London Heathrow by plane?
London Heathrow is 9411.6 mi away from Cairns. In terms of flight time, this usually takes a little over 33h 30m.
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 old do you have to be to fly from Cairns Airport to London Heathrow Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 license 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.

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Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Cairns to London. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to London from Cairns with this policy.

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

momondo helps you find the best flight between Cairns and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Cairns to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.