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Cheap flights from London Heathrow Airport to Cairns from $864

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 5/3. 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 - 09:20LHR-CNS
50h 20m2 stops
Multiple Airlines Logo
15:50 - 17:30CNS-LHR
59h 40m2 stops
$1,703Multiple Airlines
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Tue, 30 Dec - Sun, 18 Jan
Multiple Airlines Logo
21:00 - 22:05LHR-CNS
39h 05m2 stops
Multiple Airlines Logo
06:00 - 17:30CNS-LHR
45h 30m2 stops
$1,880Multiple Airlines
Find Deal
Wed, 19 Nov - Sun, 30 Nov
Multiple Airlines Logo
21:00 - 22:05LHR-CNS
39h 05m2 stops
Multiple Airlines Logo
09:45 - 17:30CNS-LHR
41h 45m3 stops
$1,917Multiple Airlines
Find Deal
Wed, 19 Nov - Sun, 30 Nov
Lufthansa Logo
17:50 - 17:00LHR-CNS
38h 10m2 stops
Lufthansa Logo
18:15 - 08:40CNS-LHR
23h 25m2 stops
$2,082Lufthansa
Find Deal
Sat, 4 Apr - Mon, 20 Apr
Lufthansa Logo
07:25 - 17:00LHR-CNS
48h 35m2 stops
Lufthansa Logo
18:15 - 08:40CNS-LHR
23h 25m2 stops
$2,088Lufthansa
Find Deal
Sat, 4 Apr - Mon, 20 Apr
Cathay Pacific Logo
17:50 - 09:55LHR-CNS
30h 05m1 stop
Cathay Pacific Logo
11:25 - 15:00CNS-LHR
37h 35m1 stop
$2,121Cathay Pacific
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Tue, 20 Jan - Tue, 10 Feb
Cathay Pacific Logo
19:50 - 09:55LHR-CNS
52h 05m2 stops
Cathay Pacific Logo
11:25 - 15:00CNS-LHR
37h 35m1 stop
$2,164Cathay Pacific
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Mon, 29 Dec - Thu, 15 Jan
Singapore Airlines Logo
10:40 - 17:20LHR-CNS
44h 40m1 stop
Singapore Airlines Logo
18:35 - 19:10CNS-LHR
34h 35m1 stop
$2,171Singapore Airlines
Find Deal
Fri, 6 Mar - Fri, 20 Mar
China Southern Logo
22:00 - 11:50LHR-CNS
51h 50m2 stops
China Southern Logo
15:35 - 18:35CNS-LHR
61h 00m2 stops
$2,271China Southern
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Mon, 2 Mar - Sun, 22 Mar
Singapore Airlines Logo
09:10 - 17:20LHR-CNS
22h 10m1 stop
Singapore Airlines Logo
18:15 - 19:30CNS-LHR
34h 15m1 stop
$2,322Singapore Airlines
Find Deal
Sun, 15 Mar - Sun, 19 Apr

Cathay Pacific flights from London Heathrow Airport to Cairns

Our best Cathay Pacific deals on London Heathrow Airport to Cairns flight tickets
Cathay Pacific
20 Jan
LHR17:50London Heathrow
30h 05m
1 stop
CNS09:55Cairns
10 Feb
CNS11:25Cairns
37h 35m
1 stop
LHR15:00London Heathrow
$2,121
Find similar
Cathay Pacific
29 Dec
LHR19:50London Heathrow
52h 05m
2 stops
CNS09:55Cairns
15 Jan
CNS11:25Cairns
37h 35m
1 stop
LHR15:00London Heathrow
$2,164
Find similar
Cathay Pacific
6 Dec
LHR22:05London Heathrow
32h 10m
2 stops
CNS16:15Cairns
13 Dec
CNS11:25Cairns
37h 35m
1 stop
LHR15:00London Heathrow
$2,318
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
6 Mar
LHR10:40London Heathrow
44h 40m
1 stop
CNS17:20Cairns
20 Mar
CNS18:35Cairns
34h 35m
1 stop
LHR19:10London Heathrow
$2,171
Find similar
Singapore Airlines
15 Mar
LHR09:10London Heathrow
22h 10m
1 stop
CNS17:20Cairns
19 Apr
CNS18:15Cairns
34h 15m
1 stop
LHR19:30London Heathrow
$2,322
Find similar
Singapore Airlines
15 Mar
LHR09:10London Heathrow
22h 10m
1 stop
CNS17:20Cairns
19 Apr
CNS18:15Cairns
34h 15m
1 stop
LHR19:30London Heathrow
$2,328
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 23 October 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

Tue 30/12

21:00-09:20

2 stops50h 20m

Cairns

Sun 18/1

15:50-17:30

2 stops59h 40m

$1,703

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 19/11

21:00-22:05

2 stops39h 05m

Cairns

Sun 30/11

06:00-17:30

2 stops45h 30m

$1,880

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 19/11

21:00-22:05

2 stops39h 05m

Cairns

Sun 30/11

09:45-17:30

3 stops41h 45m

$1,917

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sat 4/4

17:50-17:00

2 stops38h 10m

Cairns

Mon 20/4

18:15-08:40

2 stops23h 25m

$2,082

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sat 4/4

07:25-17:00

2 stops48h 35m

Cairns

Mon 20/4

18:15-08:40

2 stops23h 25m

$2,088

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Tue 20/1

17:50-09:55

1 stop30h 05m

Cairns

Tue 10/2

11:25-15:00

1 stop37h 35m

$2,121

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Mon 29/12

19:50-09:55

2 stops52h 05m

Cairns

Thu 15/1

11:25-15:00

1 stop37h 35m

$2,164

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Fri 6/3

10:40-17:20

1 stop44h 40m

Cairns

Fri 20/3

18:35-19:10

1 stop34h 35m

$2,171

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Mon 2/3

22:00-11:50

2 stops51h 50m

Cairns

Sun 22/3

15:35-18:35

2 stops61h 00m

$2,271

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 15/3

09:10-17:20

1 stop22h 10m

Cairns

Sun 19/4

18:15-19:30

1 stop34h 15m

$2,322

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 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 $2,088, 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 $2,141.

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 $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 $2,301. 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 $953. 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 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 $2,573 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 $2,147 on momondo.

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

You could potentially save up to 22% 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 October 2025, prices for London Heathrow Airport to Cairns flights are approximately 1% cheaper 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

Direct flights

None
There are no direct flights from London Heathrow Airport to Cairns. There are no popular flight routes from London Heathrow Airport to Cairns.
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  • 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 20h 40m.

  • 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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