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

Lufthansa, SWISS, and Emirates are the most popular carriers 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.

£356 Cheap Flights from Cairns to London in 2025/26

Q: What is the typical price of a round-trip flight between Cairns and London?

Prices are currently low for flights on this route. Typical prices usually range from £1,215 to £1,700. The lowest price recently found on this route was £801.

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Find the cheapest flights from Cairns to London

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18:35 - 19:10

CNS

LHR

34h 35m1 stop

21:45 - 17:20

LHR

CNS

33h 35m1 stop

£801Singapore Airlines

Wed, 4 Feb - Sat, 21 Feb

21:35 - 16:00

CNS

LGW

51h 25m2 stops

18:00 - 18:20

LGW

CNS

39h 20m2 stops

£806Multiple Airlines

Fri, 1 May - Tue, 12 May

09:45 - 09:25

CNS

LGW

33h 40m3 stops

06:15 - 08:20

LGW

CNS

40h 05m3 stops

£807Multiple Airlines

Wed, 4 Feb - Sat, 21 Feb

18:35 - 06:25

CNS

LGW

21h 50m1 stop

09:20 - 17:20

LGW

CNS

46h 00m1 stop

£845Singapore Airlines

Wed, 4 Feb - Sat, 21 Feb

11:25 - 08:05

CNS

LHR

30h 40m2 stops

17:30 - 09:55

LHR

CNS

30h 25m2 stops

£882Multiple Airlines

Thu, 22 Jan - Thu, 29 Jan

11:25 - 13:40

CNS

LHR

36h 15m3 stops

18:40 - 09:55

LHR

CNS

29h 15m2 stops

£924SWISS

Thu, 22 Jan - Thu, 29 Jan

11:25 - 05:25

CNS

LHR

28h 00m1 stop

22:05 - 09:55

LHR

CNS

25h 50m1 stop

£940Cathay Pacific

Thu, 22 Jan - Thu, 29 Jan

11:25 - 08:05

CNS

LHR

30h 40m2 stops

09:00 - 09:55

LHR

CNS

38h 55m2 stops

£943SWISS

Thu, 22 Jan - Thu, 29 Jan

11:35 - 12:05

CNS

STN

34h 30m2 stops

14:05 - 14:05

STN

CNS

38h 00m2 stops

£1,089Emirates

Thu, 5 Mar - Sun, 8 Mar

11:35 - 17:55

CNS

STN

40h 20m2 stops

14:05 - 14:05

STN

CNS

38h 00m2 stops

£1,090Emirates

Thu, 22 Jan - Thu, 29 Jan

Cathay Pacific flights from Cairns to London

Our best Cathay Pacific deals on Cairns to London flight tickets

Cathay Pacific

22 Jan

CNS11:25Cairns

28h 00m

1 stop

LHR05:25London Heathrow

29 Jan

LHR22:05London Heathrow

25h 50m

1 stop

CNS09:55Cairns

£940

Find similar

Cathay Pacific

22 Jan

CNS11:25Cairns

28h 00m

1 stop

LHR05:25London Heathrow

29 Jan

LHR07:10London Heathrow

40h 45m

2 stops

CNS09:55Cairns

£1,019

Find similar

Cathay Pacific

5 Feb

CNS11:25Cairns

37h 35m

1 stop

LHR15:00London Heathrow

9 Feb

LHR17:50London Heathrow

54h 55m

2 stops

CNS10:45Cairns

£1,128

Find similar

Qantas Airways flights from Cairns to London

Our best Qantas Airways deals on Cairns to London flight tickets

Qantas Airways

4 Feb

CNS12:35Cairns

51h 40m

1 stop

LHR06:15London Heathrow

21 Feb

LHR20:10London Heathrow

28h 35m

2 stops

CNS10:45Cairns

£1,107

Find similar

Qantas Airways

14 Mar

CNS14:50Cairns

49h 25m

3 stops

LHR06:15London Heathrow

2 Apr

LHR20:50London Heathrow

35h 05m

2 stops

CNS16:55Cairns

£1,136

Find similar

Qantas Airways

14 Jan

CNS06:00Cairns

34h 15m

3 stops

LHR06:15London Heathrow

28 Feb

LHR20:10London Heathrow

28h 35m

2 stops

CNS10:45Cairns

£1,163

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 4/2

18:35-19:10

1 stop34h 35m

London Heathrow

Sat 21/2

21:45-17:20

1 stop33h 35m

£801

CairnsLondon

CNS - LGW

CNSLGW

Cairns

Fri 1/5

21:35-16:00

2 stops51h 25m

London Gatwick

Tue 12/5

18:00-18:20

2 stops39h 20m

£806

CairnsLondon

CNS - LGW

CNSLGW

Cairns

Wed 4/2

09:45-09:25

3 stops33h 40m

London Gatwick

Sat 21/2

06:15-08:20

3 stops40h 05m

£807

CairnsLondon

CNS - LGW

CNSLGW

Cairns

Wed 4/2

18:35-06:25

1 stop21h 50m

London Gatwick

Sat 21/2

09:20-17:20

1 stop46h 00m

£845

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 22/1

11:25-08:05

2 stops30h 40m

London Heathrow

Thu 29/1

17:30-09:55

2 stops30h 25m

£882

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 22/1

11:25-13:40

3 stops36h 15m

London Heathrow

Thu 29/1

18:40-09:55

2 stops29h 15m

£924

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 22/1

11:25-05:25

1 stop28h 00m

London Heathrow

Thu 29/1

22:05-09:55

1 stop25h 50m

£940

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 22/1

11:25-08:05

2 stops30h 40m

London Heathrow

Thu 29/1

09:00-09:55

2 stops38h 55m

£943

CairnsLondon

CNS - STN

CNSSTN

Cairns

Thu 5/3

11:35-12:05

2 stops34h 30m

London Stansted

Sun 8/3

14:05-14:05

2 stops38h 00m

£1,089

CairnsLondon

CNS - STN

CNSSTN

Cairns

Thu 22/1

11:35-17:55

2 stops40h 20m

London Stansted

Thu 29/1

14:05-14:05

2 stops38h 00m

£1,090

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

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 £813, 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 £873.

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 £555. 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 £897.

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 £808. Flights in the morning are often more expensive, with an average ticket price of £1,129.

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 50m
Direct flights	None

The fastest flight from Cairns to London takes 21h 50m

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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Maidstone

Slough

Canterbury

Southend-on-Sea

Ipswich

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Bedford

Ramsgate

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Stansted

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.