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Cheap flights from London Heathrow Airport to Cairns from £540

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CNS
9 Jul — 16 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Cairns

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Cairns
Explore the most affordable flight options available from Heathrow to Cairns. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 June 2026.

Wed 1/708:40
LHR
-
CNS
2 stops34h 50m
Multiple Airlines
Mon 1/212:35
CNS
-
LHR
2 stops41h 00m
Multiple Airlines
Deal found 9/6£929
Sun 6/921:20
LHR
-
CNS
2 stops50h 10m
Multiple Airlines
Sat 3/1006:00
CNS
-
LHR
2 stops45h 40m
Multiple Airlines
Deal found 9/6£953
Fri 19/608:40
LHR
-
CNS
2 stops34h 50m
Multiple Airlines
Fri 17/711:40
CNS
-
LHR
2 stops43h 05m
Multiple Airlines
Deal found 7/6£957
Fri 3/706:00
LHR
-
CNS
2 stops37h 30m
Multiple Airlines
Sun 19/711:40
CNS
-
LHR
2 stops43h 05m
Multiple Airlines
Deal found 7/6£1,001
Mon 24/808:40
LHR
-
CNS
2 stops34h 50m
Multiple Airlines
Mon 7/911:40
CNS
-
LHR
2 stops43h 05m
Multiple Airlines
Deal found 6/6£1,031
Tue 1/921:20
LHR
-
CNS
2 stops40h 05m
Multiple Airlines
Sat 19/915:35
CNS
-
LHR
2 stops60h 05m
Multiple Airlines
Deal found 5/6£1,051
Wed 28/1021:00
LHR
-
CNS
2 stops34h 15m
Multiple Airlines
Wed 25/1114:40
CNS
-
LHR
2 stops36h 50m
Multiple Airlines
Deal found 6/6£1,064
Sun 23/808:45
LHR
-
CNS
2 stops34h 45m
Multiple Airlines
Mon 7/911:40
CNS
-
LHR
2 stops43h 05m
Multiple Airlines
Deal found 8/6£1,068
Sat 14/1108:50
LHR
-
CNS
2 stops39h 55m
Multiple Airlines
Sat 28/1111:35
CNS
-
LHR
2 stops29h 05m
Multiple Airlines
Deal found 7/6£1,120
Sat 7/1120:55
LHR
-
CNS
2 stops28h 10m
Multiple Airlines
Sat 21/1112:05
CNS
-
LHR
2 stops34h 00m
Multiple Airlines
Deal found 7/6£1,124
Wed 1/708:40
LHR
-
CNS
2 stops34h 50m
Multiple Airlines
Wed 22/711:40
CNS
-
LHR
2 stops43h 05m
Multiple Airlines
Deal found 7/6£1,137

Find flight deals from Heathrow to Cairns

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Cairns (CNS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 9 June 2026.

Round-trip from

£929

One-way from

£540

Popular in

July

Cheapest in

February

Average price

£1,567
1/7-1/2
  • 1/7-1/2
  • 4 total stops
  • 75h 50m total
  • London to Cairns
Search Deals
3/11
  • 3/11
  • 2 total stops
  • 39h 10m total
  • London to Cairns
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£190 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£37 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 9 June 2026.
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

Cheapest return flight

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Fri 3/7

07:25-05:55

2 stops37h 30m

Cairns

Sun 19/7

11:40-21:45

2 stops43h 05m

£1,106

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Tue 1/9

20:35-17:00

1 stop59h 25m

Cairns

Sun 4/10

18:15-15:45

1 stop54h 30m

£1,294

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Tue 22/9

09:25-17:00

1 stop22h 35m

Cairns

Fri 2/10

18:15-15:45

1 stop54h 30m

£1,314

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 9/8

17:00-11:25

2 stops33h 25m

Cairns

Wed 2/9

10:30-13:15

2 stops35h 45m

£1,637

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Tue 1/9

11:45-05:30

3 stops32h 45m

Cairns

Sun 4/10

19:00-10:45

3 stops48h 45m

£1,681

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Tue 22/9

20:50-10:00

2 stops28h 10m

Cairns

Fri 2/10

06:00-06:35

3 stops33h 35m

£1,789

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Fri 3/7

11:20-17:00

1 stop44h 40m

Cairns

Sun 19/7

18:15-19:30

1 stop34h 15m

£1,794

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 9/8

17:00-11:25

2 stops33h 25m

Cairns

Sun 30/8

10:30-06:25

2 stops28h 55m

£1,816
Fastest return journey

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Tue 11/8

19:25-11:25

2 stops31h 00m

Cairns

Fri 28/8

10:30-06:25

2 stops28h 55m

£1,828

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Mon 24/8

19:15-05:30

3 stops49h 15m

Cairns

Mon 7/9

19:00-16:15

3 stops54h 15m

£1,858

Flights are sorted by cheapest return flights first.

Deals found on 8/6

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to Cairns

Have a flexible travel schedule? Discover the best time to fly to Cairns from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Cairns

How far ahead should I book a flight from London Heathrow Airport to Cairns?

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Cairns, you should look to book at least 63 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from London Heathrow Airport to Cairns?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Cairns (average of £938). Flying from London Heathrow Airport to Cairns in July is currently the most expensive (average of £1,837). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from London Heathrow Airport to Cairns?

Reviews of airlines servicing Cairns

Get insights into the airlines that provide service to Cairns. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cairns. Reviews last updated 9 June 2026.
Get a feel of what it's like to fly with Singapore Airlines,Cathay Pacific, andQatar Airways from London Heathrow Airport to Cairns by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very Good
1,539 reviews
Check prices

Entertainment

8.1

Comfort

8.0

Food

7.8

Overall

8.2

Boarding

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
Singapore Airlines
8.2
Very Good
1,539 reviews
Singapore Airlines
8.2
Very Good
1,539 reviews
Check prices

Entertainment

8.1

Comfort

8.0

Food

7.8

Overall

8.2

Boarding

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
Cathay Pacific
7.6
Good
1,365 reviews
Singapore Airlines
8.2
Very Good
1,539 reviews
Check prices

Entertainment

8.1

Comfort

8.0

Food

7.8

Overall

8.2

Boarding

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
Qatar Airways
7.4
Good
3,729 reviews
Singapore Airlines
8.2
Very Good
1,539 reviews
Check prices

Entertainment

8.1

Comfort

8.0

Food

7.8

Overall

8.2

Boarding

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Cairns. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Cairns from London Heathrow?

    Most people fly into Cairns (CNS) if they book a flight to Cairns from London Heathrow. On average, Cairns has 0 inbound flights from London Heathrow per day from 3 airlines. Cairns is conveniently located just 2.8 mi from Cairns’s city center.

  • How long is the flight from London Heathrow Airport to Cairns?

    A quick flight from London Heathrow Airport to Cairns can take about 33h 25m. Singapore Airlines provides one of the quickest options available for as low as £1,637. The distance from London Heathrow Airport to Cairns is about 9409 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from London Heathrow Airport to Cairns round-trip?

    Our cheapest airline available from London Heathrow Airport to Cairns is Cathay Pacific. Our recent data shows that you can find tickets from as low as £880 on this airline. Additional options worth looking into are Singapore Airlines and Qatar Airways, starting at £976 and £1,082 round-trip. Cathay Pacific is 32% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Heathrow to Cairns that include hotel bookings?

    Yes. In addition to deals on Heathrow to Cairns flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Cairns?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Cairns.

  • Can I find deals for business class flights from Heathrow to Cairns?

    Yes. Cheapflights offers flight deals from Heathrow to Cairns by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Cairns?

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Cairns (average of £938). Flying from London Heathrow Airport to Cairns in July is currently the most expensive (average of £1,837). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Heathrow to Cairns

Discover the top 3 airlines that operate flights from Heathrow to Cairns. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 9 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest£880Average£1,107FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Singapore AirlinesCheapest£976Average£1,348FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Qatar AirwaysCheapest£1,082Average£1,237FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Cairns?

Deals for Heathrow to Cairns flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Cairns?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Cairns for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Heathrow to Cairns with no change fees?

Need flexible booking options for your flight to Cairns from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Cairns become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Cairns from Heathrow today and book when prices fit your budget.

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