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

SWISS is the most popular carrier operating from Cairns to London

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

Prices for flights from Cairns Airport to London refresh daily.

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

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.

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

The travel and health documents you'll need for your trip to London 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£249 Cheap Flights from Cairns to London in 2025/26

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Find the cheapest flights from Cairns to London

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09:45 - 09:55

CNS

LHR

34h 10m3 stops

16:45 - 05:45

LHR

CNS

27h 00m2 stops

£724Multiple Airlines

Mon, 16 Feb - Fri, 20 Feb

18:15 - 15:45

CNS

LHR

30h 30m1 stop

20:35 - 17:00

LHR

CNS

59h 25m1 stop

£791Singapore Airlines

Sun, 24 May - Thu, 11 Jun

18:15 - 15:45

CNS

LHR

54h 30m1 stop

22:05 - 17:00

LHR

CNS

57h 55m1 stop

£885Singapore Airlines

Sun, 24 May - Fri, 12 Jun

18:15 - 10:40

CNS

LHR

25h 25m2 stops

06:55 - 17:00

LHR

CNS

49h 05m2 stops

£890Multiple Airlines

Sun, 24 May - Fri, 12 Jun

11:35 - 11:40

CNS

LGW

34h 05m2 stops

13:35 - 10:45

LGW

CNS

35h 10m2 stops

£1,027Emirates

Thu, 5 Feb - Thu, 12 Feb

11:35 - 12:05

CNS

STN

34h 30m2 stops

20:15 - 10:45

STN

CNS

28h 30m2 stops

£1,048Emirates

Wed, 14 Jan - Sat, 28 Feb

19:15 - 17:20

CNS

LCY

56h 05m3 stops

07:45 - 05:45

LCY

CNS

36h 00m3 stops

£1,317KLM

Sat, 10 Jan - Tue, 27 Jan

11:25 - 08:45

CNS

LCY

31h 20m2 stops

17:40 - 09:55

LCY

CNS

30h 15m2 stops

£1,446SWISS

Thu, 5 Feb - Thu, 12 Feb

19:15 - 16:35

CNS

LCY

55h 20m3 stops

08:40 - 05:45

LCY

CNS

35h 05m3 stops

£1,453KLM

Mon, 16 Feb - Fri, 20 Feb

18:15 - 12:35

CNS

LCY

27h 20m3 stops

19:15 - 17:00

LCY

CNS

36h 45m2 stops

£1,587SWISS

Sun, 24 May - Fri, 12 Jun

Singapore Airlines flights from Cairns to London

Our best Singapore Airlines deals on Cairns to London flight tickets

Singapore Airlines

24 May

CNS18:15Cairns

30h 30m

1 stop

LHR15:45London Heathrow

11 Jun

LHR20:35London Heathrow

59h 25m

1 stop

CNS17:00Cairns

£791

Find similar

Singapore Airlines

24 May

CNS18:15Cairns

54h 30m

1 stop

LHR15:45London Heathrow

12 Jun

LHR22:05London Heathrow

57h 55m

1 stop

CNS17:00Cairns

£885

Find similar

Singapore Airlines

16 Feb

CNS18:35Cairns

34h 35m

1 stop

LHR19:10London Heathrow

20 Feb

LHR09:10London Heathrow

46h 10m

1 stop

CNS17:20Cairns

£893

Find similar

Air Canada flights from Cairns to London

Our best Air Canada deals on Cairns to London flight tickets

Air Canada

13 Jan

CNS06:00Cairns

39h 50m

2 stops

LHR11:50London Heathrow

27 Jan

LHR14:30London Heathrow

37h 30m

2 stops

CNS14:00Cairns

£1,116

Find similar

Air Canada

14 Jan

CNS17:35Cairns

46h 55m

3 stops

LHR06:30London Heathrow

28 Feb

LHR18:00London Heathrow

58h 55m

3 stops

CNS14:55Cairns

£1,200

Find similar

Air Canada

14 Jan

CNS17:35Cairns

51h 45m

3 stops

LHR11:20London Heathrow

28 Feb

LHR11:10London Heathrow

41h 45m

3 stops

CNS14:55Cairns

£1,205

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Mon 16/2

09:45-09:55

3 stops34h 10m

London Heathrow

Fri 20/2

16:45-05:45

2 stops27h 00m

£724

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sun 24/5

18:15-15:45

1 stop30h 30m

London Heathrow

Thu 11/6

20:35-17:00

1 stop59h 25m

£791

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sun 24/5

18:15-15:45

1 stop54h 30m

London Heathrow

Fri 12/6

22:05-17:00

1 stop57h 55m

£885

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sun 24/5

18:15-10:40

2 stops25h 25m

London Heathrow

Fri 12/6

06:55-17:00

2 stops49h 05m

£890

CairnsLondon

CNS - LGW

CNSLGW

Cairns

Thu 5/2

11:35-11:40

2 stops34h 05m

London Gatwick

Thu 12/2

13:35-10:45

2 stops35h 10m

£1,027

CairnsLondon

CNS - STN

CNSSTN

Cairns

Wed 14/1

11:35-12:05

2 stops34h 30m

London Stansted

Sat 28/2

20:15-10:45

2 stops28h 30m

£1,048

CairnsLondon

CNS - LCY

CNSLCY

Cairns

Sat 10/1

19:15-17:20

3 stops56h 05m

London City

Tue 27/1

07:45-05:45

3 stops36h 00m

£1,317

CairnsLondon

CNS - LCY

CNSLCY

Cairns

Thu 5/2

11:25-08:45

2 stops31h 20m

London City

Thu 12/2

17:40-09:55

2 stops30h 15m

£1,446

CairnsLondon

CNS - LCY

CNSLCY

Cairns

Mon 16/2

19:15-16:35

3 stops55h 20m

London City

Fri 20/2

08:40-05:45

3 stops35h 05m

£1,453

CairnsLondon

CNS - LCY

CNSLCY

Cairns

Sun 24/5

18:15-12:35

3 stops27h 20m

London City

Fri 12/6

19:15-17:00

2 stops36h 45m

£1,587

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

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?

The cheapest month to fly to London from Cairns is in February. Flight prices, which tend to average around £806, are often lower during this time because this is during the off-season. The month of March is another great option to travel to London, with average flight prices from Cairns averaging around £879.

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 £551. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Cairns to London for around £890.

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 £802. Flights in the morning are often more expensive, with an average ticket price of £1,120.

Can stopping save me money on Cairns to London flights?

You could potentially save up to 28% on your flight if you consider stops on a Cairns to London flight.

How have Cairns to London flight prices changed over time?

As of December 2025, prices for Cairns to London flights are approximately 3% more expensive when compared to flights at the same time last year.

When to book flights from Cairns to London

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

Estimated return price

Cheap Cairns to London (CNS to LON) flight deals and tips

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

Fastest flight time	21h 10m
Direct flights	None

The fastest flight from Cairns to London takes 21h 10m

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

Search flight deals

How far is Cairns to London by plane?
London is 9399.3 mi away from Cairns. Typically, this will take 21h 10m by plane in normal conditions.
When did momondo last update prices for flights from Cairns Airport to London?
Prices for flights from Cairns Airport to London refresh daily.
How old do you have to be to fly from Cairns Airport to London?
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.
What documentation or ID do you need to fly to London?
The travel and health documents you'll need for your trip to London 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. 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?
momondo data reveals that the most frequently booked airline on the route from Cairns to London is Singapore Airlines, representing 100% of all bookings.

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Luton

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Maidstone

Slough

Southend-on-Sea

Canterbury

Ipswich

Ilford

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Colchester

Hounslow

Ramsgate

Romford

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 allows you to filter the results for Cairns to London flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to London from Cairns. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to London from Cairns 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.