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 were last updated today.

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

As of December 2025, there are 2 operators available to choose from for flights from Cairns Airport to London.

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

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.

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 licence 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.

$482 Cheap Flights from Cairns to London in 2025/26

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Find the cheapest flights from Cairns to London

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

09:00 - 06:40

CNS

LGW

54h 40m2 stops

18:00 - 18:25

LGW

CNS

39h 25m2 stops

$1,534Multiple Airlines

Sat, 30 May - Tue, 16 Jun

18:35 - 19:10

CNS

LHR

34h 35m1 stop

21:45 - 17:20

LHR

CNS

57h 35m1 stop

$1,549Singapore Airlines

Sun, 8 Feb - Sun, 15 Feb

06:40 - 14:00

CNS

LGW

41h 20m2 stops

17:00 - 08:30

LGW

CNS

53h 30m3 stops

$1,600Multiple Airlines

Mon, 9 Feb - Mon, 16 Feb

15:35 - 22:25

CNS

LHR

39h 50m3 stops

18:25 - 05:30

LHR

CNS

26h 05m2 stops

$1,685Multiple Airlines

Sun, 5 Apr - Sun, 19 Apr

11:35 - 12:05

CNS

STN

58h 30m2 stops

14:05 - 14:05

STN

CNS

38h 00m2 stops

$2,075Emirates

Sun, 8 Feb - Sun, 15 Feb

11:35 - 12:05

CNS

STN

34h 30m2 stops

14:05 - 10:45

STN

CNS

34h 40m2 stops

$2,132Emirates

Mon, 9 Feb - Mon, 16 Feb

19:15 - 19:35

CNS

LCY

58h 20m3 stops

20:05 - 05:45

LCY

CNS

47h 40m3 stops

$2,393KLM

Mon, 9 Feb - Mon, 16 Feb

18:35 - 08:40

CNS

LCY

24h 05m2 stops

19:20 - 09:55

LCY

CNS

28h 35m2 stops

$2,730SWISS

Sun, 8 Feb - Sun, 15 Feb

19:15 - 17:20

CNS

LCY

56h 05m3 stops

20:05 - 05:45

LCY

CNS

47h 40m3 stops

$2,946KLM

Sat, 14 Feb - Mon, 16 Feb

18:35 - 12:55

CNS

LCY

28h 20m3 stops

19:20 - 09:55

LCY

CNS

28h 35m2 stops

$3,075SWISS

Sun, 8 Feb - Sun, 15 Feb

Qantas Airways flights from Cairns to London

Our best Qantas Airways deals on Cairns to London flight tickets

Qantas Airways

5 Mar

CNS17:35Cairns

46h 40m

2 stops

LHR06:15London Heathrow

20 Mar

LHR11:50London Heathrow

40h 15m

2 stops

CNS14:05Cairns

$2,156

Find similar

Qantas Airways

14 Mar

CNS15:35Cairns

48h 40m

2 stops

LHR06:15London Heathrow

2 Apr

LHR20:50London Heathrow

32h 20m

2 stops

CNS14:10Cairns

$2,202

Find similar

Qantas Airways

16 May

CNS14:55Cairns

48h 40m

2 stops

LHR06:35London Heathrow

19 May

LHR20:50London Heathrow

30h 00m

2 stops

CNS11:50Cairns

$2,206

Find similar

Singapore Airlines flights from Cairns to London

Our best Singapore Airlines deals on Cairns to London flight tickets

Singapore Airlines

8 Feb

CNS18:35Cairns

34h 35m

1 stop

LHR19:10London Heathrow

15 Feb

LHR21:45London Heathrow

57h 35m

1 stop

CNS17:20Cairns

$1,549

Find similar

Singapore Airlines

9 Feb

CNS18:35Cairns

34h 35m

1 stop

LHR19:10London Heathrow

16 Feb

LHR09:10London Heathrow

46h 10m

1 stop

CNS17:20Cairns

$1,798

Find similar

Singapore Airlines

30 Mar

CNS18:15Cairns

45h 10m

1 stop

LGW06:25London Gatwick

16 June

LGW10:15London Gatwick

21h 45m

1 stop

CNS17:00Cairns

$1,914

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CairnsLondon

CNS - LGW

CNSLGW

Cairns

Sat 30/5

09:00-06:40

2 stops54h 40m

London Gatwick

Tue 16/6

18:00-18:25

2 stops39h 25m

$1,534

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sun 8/2

18:35-19:10

1 stop34h 35m

London Heathrow

Sun 15/2

21:45-17:20

1 stop57h 35m

$1,549

CairnsLondon

CNS - LGW

CNSLGW

Cairns

Mon 9/2

06:40-14:00

2 stops41h 20m

London Gatwick

Mon 16/2

17:00-08:30

3 stops53h 30m

$1,600

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sun 5/4

15:35-22:25

3 stops39h 50m

London Heathrow

Sun 19/4

18:25-05:30

2 stops26h 05m

$1,685

CairnsLondon

CNS - STN

CNSSTN

Cairns

Sun 8/2

11:35-12:05

2 stops58h 30m

London Stansted

Sun 15/2

14:05-14:05

2 stops38h 00m

$2,075

CairnsLondon

CNS - STN

CNSSTN

Cairns

Mon 9/2

11:35-12:05

2 stops34h 30m

London Stansted

Mon 16/2

14:05-10:45

2 stops34h 40m

$2,132

CairnsLondon

CNS - LCY

CNSLCY

Cairns

Mon 9/2

19:15-19:35

3 stops58h 20m

London City

Mon 16/2

20:05-05:45

3 stops47h 40m

$2,393

CairnsLondon

CNS - LCY

CNSLCY

Cairns

Sun 8/2

18:35-08:40

2 stops24h 05m

London City

Sun 15/2

19:20-09:55

2 stops28h 35m

$2,730

CairnsLondon

CNS - LCY

CNSLCY

Cairns

Sat 14/2

19:15-17:20

3 stops56h 05m

London City

Mon 16/2

20:05-05:45

3 stops47h 40m

$2,946

CairnsLondon

CNS - LCY

CNSLCY

Cairns

Sun 8/2

18:35-12:55

3 stops28h 20m

London City

Sun 15/2

19:20-09:55

2 stops28h 35m

$3,075

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?

If you aren’t able to travel during the month of February, then book flights to London from Cairns during March instead. Flights to London in March, while not as cheap as those in February, still average around $1,759.

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 $1,789. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Cairns to London for around $2,867.

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 $1,870. In contrast, the most expensive time of day to depart to London is in the evening when prices are around $2,858.

Can stopping save me money on Cairns to London flights?

You could potentially save up to 23% 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 15126.7 km away from Cairns. 21h 50m is a normal flight duration for this route.
When did momondo last update prices for flights from Cairns Airport to London?
Prices for flights from Cairns Airport to London were last updated today.
How many operators does momondo search for flights from Cairns Airport to London?
As of December 2025, there are 2 operators available to choose from for flights from Cairns Airport to London.
How old do you have to be to fly from Cairns Airport to London?
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.
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 licence 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 69% of all bookings. The subsequent popular airlines are Emirates at 11%, Cathay Pacific at 8%, and Qantas Airways at 7%.

Best airlines flying from Cairns to London

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

Airline	Rating	Free cancellation	Price
Singapore Airlines	PriceFrom $1,425	Free cancellation	Rating 8.1 1,421 reviews		Search Singapore Airlines flights
Qantas Airways	PriceFrom $2,007	Free cancellation	Rating 7.5 955 reviews		Search Qantas Airways flights

Gatwick

Hounslow

Wembley

Milton Keynes

Brentford

Deal

Dover

Ipswich

Abingdon

Eastbourne

Slough

Chichester

Canterbury

Kingston upon Thames

Brentwood

Guildford

Sutton

Maidstone

Watford

Ashford

Why use momondo?

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

It is quick and easy to find Cairns to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

momondo does allow users to show only those flights to London from Cairns which offer a flexible booking policy as well as other useful filters and features.

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?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Cairns and alert you when they change.