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Cheap flights from London Heathrow Airport to Cairns from $1,164

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Cairns departing on 7/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from London Heathrow Airport to Cairns

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
21:00 - 18:45
LHR
-
CNS
35h 45m2 stops
Multiple Airlines Logo
09:05 - 17:30
CNS
-
LHR
42h 25m2 stops
$1,819Multiple Airlines
Wed, 28 Jan - Wed, 4 Feb
SWISS Logo
18:40 - 09:55
LHR
-
CNS
29h 15m2 stops
SWISS Logo
18:35 - 08:05
CNS
-
LHR
23h 30m2 stops
$1,845SWISS
Sun, 15 Feb - Sun, 15 Mar
Multiple Airlines Logo
21:00 - 22:05
LHR
-
CNS
39h 05m2 stops
Multiple Airlines Logo
14:35 - 17:30
CNS
-
LHR
36h 55m2 stops
$1,907Multiple Airlines
Wed, 28 Jan - Wed, 4 Feb
Singapore Airlines Logo
10:40 - 17:20
LHR
-
CNS
44h 40m1 stop
Singapore Airlines Logo
18:35 - 19:10
CNS
-
LHR
34h 35m1 stop
$1,916Singapore Airlines
Wed, 28 Jan - Wed, 4 Feb
Singapore Airlines Logo
10:40 - 17:20
LHR
-
CNS
44h 40m1 stop
Singapore Airlines Logo
18:35 - 19:10
CNS
-
LHR
34h 35m1 stop
$2,001Singapore Airlines
Wed, 28 Jan - Wed, 4 Feb
Multiple Airlines Logo
21:35 - 13:40
LHR
-
CNS
31h 05m2 stops
Multiple Airlines Logo
18:55 - 16:35
CNS
-
LHR
30h 40m2 stops
$2,142Multiple Airlines
Tue, 2 Jun - Thu, 18 Jun
Multiple Airlines Logo
21:35 - 13:40
LHR
-
CNS
31h 05m2 stops
Multiple Airlines Logo
18:55 - 16:35
CNS
-
LHR
30h 40m2 stops
$2,144Multiple Airlines
Tue, 2 Jun - Thu, 18 Jun
Singapore Airlines Logo
21:45 - 17:20
LHR
-
CNS
57h 35m1 stop
Singapore Airlines Logo
18:35 - 07:40
CNS
-
LHR
23h 05m1 stop
$2,153Singapore Airlines
Sun, 15 Feb - Sun, 15 Mar
Singapore Airlines Logo
20:35 - 17:00
LHR
-
CNS
35h 25m1 stop
Singapore Airlines Logo
18:15 - 15:45
CNS
-
LHR
54h 30m1 stop
$2,213Singapore Airlines
Sat, 4 Apr - Mon, 20 Apr
Multiple Airlines Logo
21:30 - 05:45
LHR
-
CNS
46h 15m2 stops
Multiple Airlines Logo
09:45 - 21:55
CNS
-
LHR
46h 10m3 stops
$2,237Multiple Airlines
Wed, 28 Jan - Wed, 4 Feb

SWISS flights from London Heathrow Airport to Cairns

Our best SWISS deals on London Heathrow Airport to Cairns flight tickets
SWISS
15 Feb
LHR18:40London Heathrow
29h 15m
2 stops
CNS09:55Cairns
15 Mar
CNS18:35Cairns
23h 30m
2 stops
LHR08:05London Heathrow
$1,845
Find similar
SWISS
23 Dec
LHR20:05London Heathrow
59h 15m
2 stops
CNS17:20Cairns
13 Jan
CNS11:25Cairns
30h 40m
2 stops
LHR08:05London Heathrow
$2,563
Find similar
SWISS
23 Dec
LHR20:05London Heathrow
59h 15m
2 stops
CNS17:20Cairns
13 Jan
CNS11:25Cairns
39h 15m
3 stops
LHR16:40London Heathrow
$2,614
Find similar

Singapore Airlines flights from London Heathrow Airport to Cairns

Our best Singapore Airlines deals on London Heathrow Airport to Cairns flight tickets
Singapore Airlines
28 Jan
LHR10:40London Heathrow
44h 40m
1 stop
CNS17:20Cairns
4 Feb
CNS18:35Cairns
34h 35m
1 stop
LHR19:10London Heathrow
$1,916
Find similar
Singapore Airlines
28 Jan
LHR10:40London Heathrow
44h 40m
1 stop
CNS17:20Cairns
4 Feb
CNS18:35Cairns
34h 35m
1 stop
LHR19:10London Heathrow
$2,001
Find similar
Singapore Airlines
15 Feb
LHR21:45London Heathrow
57h 35m
1 stop
CNS17:20Cairns
15 Mar
CNS18:35Cairns
23h 05m
1 stop
LHR07:40London Heathrow
$2,153
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Cairns that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 15 December 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Cairns that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 28/1

21:00-18:45

2 stops35h 45m

Cairns

Wed 4/2

09:05-17:30

2 stops42h 25m

$1,819

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 15/2

18:40-09:55

2 stops29h 15m

Cairns

Sun 15/3

18:35-08:05

2 stops23h 30m

$1,845

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 28/1

21:00-22:05

2 stops39h 05m

Cairns

Wed 4/2

14:35-17:30

2 stops36h 55m

$1,907

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 28/1

10:40-17:20

1 stop44h 40m

Cairns

Wed 4/2

18:35-19:10

1 stop34h 35m

$1,916

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 28/1

10:40-17:20

1 stop44h 40m

Cairns

Wed 4/2

18:35-19:10

1 stop34h 35m

$2,001

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Tue 2/6

21:35-13:40

2 stops31h 05m

Cairns

Thu 18/6

18:55-16:35

2 stops30h 40m

$2,142

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Tue 2/6

21:35-13:40

2 stops31h 05m

Cairns

Thu 18/6

18:55-16:35

2 stops30h 40m

$2,144

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 15/2

21:45-17:20

1 stop57h 35m

Cairns

Sun 15/3

18:35-07:40

1 stop23h 05m

$2,153

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sat 4/4

20:35-17:00

1 stop35h 25m

Cairns

Mon 20/4

18:15-15:45

1 stop54h 30m

$2,213

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 28/1

21:30-05:45

2 stops46h 15m

Cairns

Wed 4/2

09:45-21:55

3 stops46h 10m

$2,237

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Cairns from

How to get the cheapest flight ticket from London Heathrow Airport 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

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

What is the cheapest month to fly to Cairns?

The cheapest month to fly to Cairns from London Heathrow Airport is in May. Flight prices, which tend to average around $1,922, 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 Heathrow Airport during the month February is also very affordable. Most momondo users find prices during this month for around $2,088.

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 Heathrow Airport. The lowest ticket price found for a Sunday departure recently was $1,997. 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 $2,245. 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 Heathrow Airport to Cairns when you can find flight prices for as low as $930. 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 $1,996 on average. Flights to Cairns from London Heathrow Airport 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 Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Cairns for around $2,502 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 Heathrow Airport for as low as $2,028 on momondo.

Can stopping save me money on London Heathrow Airport to Cairns flights?

You could potentially save up to 11% on your flight if you consider stops on a London Heathrow Airport to Cairns flight.

How have London Heathrow Airport to Cairns flight prices changed over time?

As of December 2025, prices for London Heathrow Airport to Cairns flights are approximately 32% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Cairns

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

Cheap London Heathrow Airport to Cairns (LHR to CNS) flight deals and tips

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

Fastest flight time

22h 35m

Direct flights

None
The fastest flight from London Heathrow Airport to Cairns takes 22h 35m
There are no direct flights from London Heathrow Airport to Cairns. There are no popular flight routes from London Heathrow Airport to Cairns.
Search flight deals

  • How far is London Heathrow to Cairns by plane?

    A flight from London Heathrow to Cairns will travel around 15146.4 km. A reasonable flight in good conditions will take 22h 35m.

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

    Prices for flights from London Heathrow Airport to Cairns Airport are updated daily.

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

    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 London Heathrow Airport 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.

Travelling to a place near Cairns?

Book flights to Cairns if you plan to visit one of these locations
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?

It is quick and easy to find London to Cairns 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 Cairns that suits you.

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

Yes. All flights to Cairns from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between London and Cairns 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 London to Cairns right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Cairns flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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