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

SWISS is the most popular carrier operating from London to Cairns

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

Prices for flights from London to Cairns Airport were last updated today.

How old do you have to be to fly from London to Cairns 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 stopovers. It is recommended that you verify with the airline you are booking with for travel from London to Cairns Airport.

What documentation or ID do you need to fly to Cairns Airport?

The required travel and health documents for your Cairns Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Cairns Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$733 Cheap Flights from London to Cairns (LON-CNS) in 2025

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

Prices are currently typical for flights on this route. Typical prices usually range from $2,038 to $2,550. The lowest price recently found on this route was $2,259.

1 adult

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

Round-trip

One-way

Cheap return flights

09:10 - 17:20LHR-CNS

46h 10m1 stop

18:35 - 19:10CNS-LHR

34h 35m1 stop

$2,259Singapore Airlines

Find Deal

Fri, 14 Nov - Wed, 26 Nov

22:10 - 23:05LHR-CNS

39h 55m2 stops

06:40 - 15:55CNS-LHR

42h 15m3 stops

$2,288

Find Deal

Sun, 19 Oct - Sun, 26 Oct

17:45 - 10:30LCY-CNS

30h 45m2 stops

18:35 - 07:55CNS-LCY

23h 20m2 stops

$2,313SWISS

Find Deal

Tue, 10 Feb - Fri, 27 Feb

20:15 - 11:50LHR-CNS

53h 35m2 stops

12:35 - 15:00CNS-LHR

36h 25m2 stops

$2,414Cathay Pacific

Find Deal

Thu, 30 Oct - Thu, 27 Nov

16:50 - 11:50LHR-CNS

57h 00m2 stops

12:35 - 15:00CNS-LHR

36h 25m2 stops

$2,434Cathay Pacific

Find Deal

Thu, 30 Oct - Thu, 27 Nov

07:00 - 10:30LHR-CNS

41h 30m3 stops

18:35 - 13:40CNS-LHR

29h 05m3 stops

$2,544SWISS

Find Deal

Tue, 10 Feb - Fri, 27 Feb

20:10 - 10:45LHR-CNS

28h 35m2 stops

06:00 - 06:15CNS-LHR

34h 15m3 stops

$2,618Qantas Airways

Find Deal

Fri, 14 Nov - Wed, 26 Nov

21:10 - 13:45STN-CNS

31h 35m2 stops

17:20 - 18:45CNS-STN

34h 25m2 stops

$2,775Emirates

Find Deal

Mon, 8 Sep - Wed, 24 Sep

21:45 - 18:00LGW-CNS

35h 15m2 stops

15:35 - 19:45CNS-LGW

37h 10m2 stops

$3,001Emirates

Find Deal

Thu, 11 Sep - Sun, 14 Sep

20:10 - 14:05LHR-CNS

31h 55m3 stops

09:00 - 06:15CNS-LHR

31h 15m2 stops

$3,080Qantas Airways

Find Deal

Thu, 12 Feb - Sat, 21 Feb

Qatar Airways flights from London to Cairns

Our best Qatar Airways deals on London to Cairns flight tickets

Qatar Airways

20 Oct

LGW09:00London Gatwick

38h 40m

2 stops

CNS08:40Cairns

3 Nov

CNS23:55Cairns

40h 00m

2 stops

LGW05:55London Gatwick

$3,006

Find similar

Qatar Airways

20 Oct

LGW14:55London Gatwick

32h 45m

2 stops

CNS08:40Cairns

3 Nov

CNS17:20Cairns

29h 15m

2 stops

LGW12:35London Gatwick

$3,010

Find similar

Qatar Airways

18 Oct

LGW14:55London Gatwick

47h 25m

2 stops

CNS23:20Cairns

22 Nov

CNS19:50Cairns

44h 05m

2 stops

LGW05:55London Gatwick

$3,128

Find similar

Singapore Airlines flights from London to Cairns

Our best Singapore Airlines deals on London to Cairns flight tickets

Singapore Airlines

14 Nov

LHR09:10London Heathrow

46h 10m

1 stop

CNS17:20Cairns

26 Nov

CNS18:35Cairns

34h 35m

1 stop

LHR19:10London Heathrow

$2,259

Find similar

Singapore Airlines

14 Nov

LGW09:20London Gatwick

46h 00m

1 stop

CNS17:20Cairns

26 Nov

CNS18:35Cairns

45h 50m

1 stop

LGW06:25London Gatwick

$2,380

Find similar

Singapore Airlines

10 Feb

LGW09:20London Gatwick

22h 00m

1 stop

CNS17:20Cairns

27 Feb

CNS18:35Cairns

21h 50m

1 stop

LGW06:25London Gatwick

$2,541

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Fri 14/11

09:10-17:20

1 stop46h 10m

Cairns

Wed 26/11

18:35-19:10

1 stop34h 35m

$2,259

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 19/10

22:10-23:05

2 stops39h 55m

Cairns

Sun 26/10

06:40-15:55

3 stops42h 15m

$2,288

LondonCairns

LCY - CNS

LCYCNS

London City

Tue 10/2

17:45-10:30

2 stops30h 45m

Cairns

Fri 27/2

18:35-07:55

2 stops23h 20m

$2,313

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Thu 30/10

20:15-11:50

2 stops53h 35m

Cairns

Thu 27/11

12:35-15:00

2 stops36h 25m

$2,414

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Thu 30/10

16:50-11:50

2 stops57h 00m

Cairns

Thu 27/11

12:35-15:00

2 stops36h 25m

$2,434

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Tue 10/2

07:00-10:30

3 stops41h 30m

Cairns

Fri 27/2

18:35-13:40

3 stops29h 05m

$2,544

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Fri 14/11

20:10-10:45

2 stops28h 35m

Cairns

Wed 26/11

06:00-06:15

3 stops34h 15m

$2,618

LondonCairns

STN - CNS

STNCNS

London Stansted

Mon 8/9

21:10-13:45

2 stops31h 35m

Cairns

Wed 24/9

17:20-18:45

2 stops34h 25m

$2,775

LondonCairns

LGW - CNS

LGWCNS

London Gatwick

Thu 11/9

21:45-18:00

2 stops35h 15m

Cairns

Sun 14/9

15:35-19:45

2 stops37h 10m

$3,001

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Thu 12/2

20:10-14:05

3 stops31h 55m

Cairns

Sat 21/2

09:00-06:15

2 stops31h 15m

$3,080

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 London to Cairns

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 London and Cairns?

What is the cheapest month to fly to Cairns?

The cheapest month to fly to Cairns from London is in May. Flight prices, which tend to average around $2,100, are often lower during this time because this is during the off-season. If you are unable to visit Cairns during the month of May, then departing from London during the month February is also very affordable. Most momondo users find prices during this month for around $2,105.

What is the cheapest day to depart on your flight to Cairns?

According to our data, Sunday is the cheapest day to fly to Cairns from London. The lowest ticket price found for a Sunday departure recently was $2,047. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $2,302. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cairns.

What is the cheapest time of day to depart on your flight to Cairns?

In the evening is the cheapest time of day to fly from London to Cairns when you can find flight prices for as low as $954. Flying to Cairns in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $2,046 on average. Flights to Cairns from London in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight to Cairns?

You are more likely to see cheaper flights to Cairns from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Cairns for around $2,555 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cairns from London for as low as $2,223 on momondo.

Can stopping save me money on London to Cairns flights?

You could potentially save up to 20% on your flight if you consider stops on a London to Cairns flight.

How have London to Cairns flight prices changed over time?

As of August 2025, prices for London to Cairns flights are approximately 12% more expensive when compared to flights at the same time last year.

When to book flights from London to Cairns

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

Estimated return price

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

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

Direct flights	None

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

Search flight deals

How far is London to Cairns by plane?
A flight from London to Cairns will travel around 15126.7 km. By plane, this route typically takes 20h 40m.
When did momondo last update prices for flights from London to Cairns Airport?
Prices for flights from London to Cairns Airport were last updated today.
How old do you have to be to fly from London to Cairns 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 stopovers. It is recommended that you verify with the airline you are booking with for travel from London to Cairns Airport.
What documentation or ID do you need to fly to Cairns Airport?
The required travel and health documents for your Cairns Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Cairns Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from London to Cairns?
Based on momondo bookings for flights between London and Cairns, the leading airline is Singapore Airlines, making up 100% of the total bookings.

Port Douglas

Palm Cove

Trinity Beach

Mission Beach

Why use momondo?

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

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

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

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

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

Once you have performed a search for London to Cairns flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Cairns from London 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.