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

Singapore Airlines, Air Canada, and Cathay Pacific are the most popular carriers 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.

$727 Cheap Flights from London to Cairns in 2025/26

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

Prices are currently low for flights on this route. Typical prices usually range from $2,181 to $2,595. The lowest price recently found on this route was $1,465.

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Find the cheapest flights from London to Cairns

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17:00 - 17:15LGW-CNS

38h 15m2 stops

06:00 - 14:00CNS-LGW

42h 00m2 stops

$1,465Multiple Airlines

Find Deal

Thu, 5 Mar - Thu, 19 Mar

17:00 - 17:15LGW-CNS

38h 15m2 stops

06:00 - 14:00CNS-LGW

42h 00m2 stops

$1,526Multiple Airlines

Find Deal

Mon, 9 Mar - Mon, 23 Mar

18:40 - 17:20LHR-CNS

36h 40m2 stops

18:35 - 08:05CNS-LHR

23h 30m2 stops

$1,550SWISS

Find Deal

Mon, 9 Mar - Mon, 16 Mar

20:05 - 17:20LHR-CNS

35h 15m3 stops

18:35 - 08:05CNS-LHR

23h 30m2 stops

$1,746SWISS

Find Deal

Mon, 9 Mar - Mon, 16 Mar

10:40 - 17:20LHR-CNS

44h 40m1 stop

18:35 - 15:20CNS-LHR

30h 45m1 stop

$1,966Singapore Airlines

Find Deal

Mon, 9 Mar - Mon, 16 Mar

21:45 - 17:20LHR-CNS

33h 35m1 stop

18:35 - 19:10CNS-LHR

34h 35m1 stop

$1,978Singapore Airlines

Find Deal

Mon, 9 Mar - Mon, 23 Mar

20:15 - 17:20LHR-CNS

59h 05m2 stops

18:15 - 08:40CNS-LHR

23h 25m2 stops

$2,112Lufthansa

Find Deal

Sun, 15 Mar - Sun, 19 Apr

20:15 - 17:20LHR-CNS

59h 05m2 stops

18:15 - 08:40CNS-LHR

23h 25m2 stops

$2,115Lufthansa

Find Deal

Sun, 15 Mar - Sun, 19 Apr

20:10 - 11:00LHR-CNS

28h 50m2 stops

06:00 - 06:15CNS-LHR

34h 15m2 stops

$2,224Qantas Airways

Find Deal

Thu, 12 Mar - Thu, 26 Mar

20:10 - 10:45LHR-CNS

28h 35m2 stops

18:05 - 06:15CNS-LHR

46h 10m2 stops

$2,342Qantas Airways

Find Deal

Wed, 18 Mar - Sun, 22 Mar

SWISS flights from London to Cairns

Our best SWISS deals on London to Cairns flight tickets

SWISS

9 Mar

LHR18:40London Heathrow

36h 40m

2 stops

CNS17:20Cairns

16 Mar

CNS18:35Cairns

23h 30m

2 stops

LHR08:05London Heathrow

$1,550

Find similar

SWISS

9 Mar

LHR20:05London Heathrow

35h 15m

3 stops

CNS17:20Cairns

16 Mar

CNS18:35Cairns

23h 30m

2 stops

LHR08:05London Heathrow

$1,746

Find similar

SWISS

9 Mar

LHR20:05London Heathrow

35h 15m

3 stops

CNS17:20Cairns

16 Mar

CNS18:35Cairns

29h 05m

3 stops

LHR13:40London Heathrow

$1,798

Find similar

Singapore Airlines flights from London to Cairns

Our best Singapore Airlines deals on London to Cairns flight tickets

Singapore Airlines

9 Mar

LHR10:40London Heathrow

44h 40m

1 stop

CNS17:20Cairns

16 Mar

CNS18:35Cairns

30h 45m

1 stop

LHR15:20London Heathrow

$1,966

Find similar

Singapore Airlines

9 Mar

LHR21:45London Heathrow

33h 35m

1 stop

CNS17:20Cairns

23 Mar

CNS18:35Cairns

34h 35m

1 stop

LHR19:10London Heathrow

$1,978

Find similar

Singapore Airlines

9 Mar

LGW09:25London Gatwick

45h 55m

1 stop

CNS17:20Cairns

23 Mar

CNS18:35Cairns

21h 50m

1 stop

LGW06:25London Gatwick

$1,980

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonCairns

LGW - CNS

LGWCNS

London Gatwick

Thu 5/3

17:00-17:15

2 stops38h 15m

Cairns

Thu 19/3

06:00-14:00

2 stops42h 00m

$1,465

LondonCairns

LGW - CNS

LGWCNS

London Gatwick

Mon 9/3

17:00-17:15

2 stops38h 15m

Cairns

Mon 23/3

06:00-14:00

2 stops42h 00m

$1,526

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Mon 9/3

18:40-17:20

2 stops36h 40m

Cairns

Mon 16/3

18:35-08:05

2 stops23h 30m

$1,550

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Mon 9/3

20:05-17:20

3 stops35h 15m

Cairns

Mon 16/3

18:35-08:05

2 stops23h 30m

$1,746

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Mon 9/3

10:40-17:20

1 stop44h 40m

Cairns

Mon 16/3

18:35-15:20

1 stop30h 45m

$1,966

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Mon 9/3

21:45-17:20

1 stop33h 35m

Cairns

Mon 23/3

18:35-19:10

1 stop34h 35m

$1,978

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 15/3

20:15-17:20

2 stops59h 05m

Cairns

Sun 19/4

18:15-08:40

2 stops23h 25m

$2,112

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 15/3

20:15-17:20

2 stops59h 05m

Cairns

Sun 19/4

18:15-08:40

2 stops23h 25m

$2,115

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Thu 12/3

20:10-11:00

2 stops28h 50m

Cairns

Thu 26/3

06:00-06:15

2 stops34h 15m

$2,224

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 18/3

20:10-10:45

2 stops28h 35m

Cairns

Sun 22/3

18:05-06:15

2 stops46h 10m

$2,342

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 $2,096, 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 September is also very affordable. Most momondo users find prices during this month for around $2,132.

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 $2,030. 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 $2,283. 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 $945. 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 $2,029 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 $2,552 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 $2,129 on momondo.

Can stopping save me money on London to Cairns flights?

You could potentially save up to 22% 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 November 2025, prices for London to Cairns flights are approximately 17% cheaper 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.

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.