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Cheap flights from London Heathrow Airport to Cairns from $770

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CNS
9 May — 16 May1
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 April 2026.

Tue 19/509:30
LHR
-
CNS
2 stops28h 10m
Multiple Airlines
Tue 26/511:00
CNS
-
LHR
2 stops29h 00m
Multiple Airlines
Deal found 4/4$1,651
Sun 24/509:30
LHR
-
CNS
2 stops28h 10m
Multiple Airlines
Sun 31/511:00
CNS
-
LHR
2 stops34h 45m
Multiple Airlines
Deal found 5/4$1,680
Thu 21/509:30
LHR
-
CNS
2 stops28h 10m
Multiple Airlines
Thu 28/512:35
CNS
-
LHR
2 stops35h 30m
Multiple Airlines
Deal found 6/4$1,837
Tue 22/921:45
LHR
-
CNS
2 stops39h 55m
Multiple Airlines
Fri 2/1007:00
CNS
-
LHR
2 stops33h 00m
Multiple Airlines
Deal found 6/4$1,843
Sat 4/721:45
LHR
-
CNS
2 stops39h 55m
Multiple Airlines
Thu 16/707:00
CNS
-
LHR
2 stops33h 00m
Multiple Airlines
Deal found 6/4$1,844
Tue 12/509:30
LHR
-
CNS
2 stops28h 10m
Multiple Airlines
Tue 23/611:00
CNS
-
LHR
2 stops29h 00m
Multiple Airlines
Deal found 4/4$1,892
Mon 22/609:30
LHR
-
CNS
2 stops28h 10m
Multiple Airlines
Mon 6/707:00
CNS
-
LHR
2 stops33h 00m
Multiple Airlines
Deal found 4/4$1,895
Tue 2/609:30
LHR
-
CNS
2 stops28h 10m
Multiple Airlines
Tue 16/611:00
CNS
-
LHR
2 stops29h 00m
Multiple Airlines
Deal found 7/4$1,898
Wed 15/420:45
LHR
-
CNS
2 stops40h 40m
Multiple Airlines
Wed 13/511:00
CNS
-
LHR
2 stops34h 45m
Multiple Airlines
Deal found 4/4$1,912

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 April 2026.

Round-trip from

$1,680

One-way from

$770

Popular in

July

Cheapest in

February

Average price

$2,206
24/5-31/5
  • 24/5-31/5
  • 4 total stops
  • 62h 55m total
  • London to Cairns
Search Deals
15/6
  • 15/6
  • 2 total stops
  • 39h 00m total
  • London to Cairns
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($462 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($137 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 647,157 searches. Data last updated 9 April 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

Tue 22/9

09:25-17:00

1 stop22h 35m

Cairns

Fri 2/10

18:15-15:45

1 stop54h 30m

$2,369

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 7/6

20:40-16:55

2 stops35h 15m

Cairns

Wed 10/6

13:50-12:25

2 stops31h 35m

$2,503

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Thu 1/10

11:00-09:20

2 stops37h 20m

Cairns

Sat 31/10

17:00-15:25

2 stops32h 25m

$2,509

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 6/5

20:50-15:00

3 stops33h 10m

Cairns

Wed 27/5

15:45-12:25

2 stops29h 40m

$2,791

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Thu 1/10

11:20-17:00

1 stop20h 40m

Cairns

Sat 31/10

19:50-05:55

2 stops44h 05m

$2,927

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

$3,055
Fastest return journey

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sat 30/5

09:25-17:00

1 stop22h 35m

Cairns

Mon 15/6

18:15-15:45

1 stop30h 30m

$3,101

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Fri 29/5

09:25-17:00

1 stop46h 35m

Cairns

Mon 15/6

18:15-15:45

1 stop30h 30m

$3,151
Cheapest one-way

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Tue 1/9

21:20-16:10

2 stops33h 50m

$1,055

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sat 30/5

09:30-22:40

2 stops28h 10m

$1,107

Flights are sorted by cheapest return flights first.

Deals found on 5/4

Showing 1-10 of 16 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?

Use this chart to determine the optimal time to book a return flight from Heathrow to Cairns. Price data was last updated on 3 April 2026.

The best time to book flights from London Heathrow Airport to Cairns is 64 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 $1,494). Flying from London Heathrow Airport to Cairns in July is currently the most expensive (average of $2,615). 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?

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?

    Cairns (CNS) is the airport you will fly into if you book a flight from London Heathrow to Cairns. You should not have trouble finding flights to Cairns from London Heathrow; the airport handles an average of 0 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Cairns airport from London Heathrow. It is only a 4.4 km journey from Cairns (CNS) to Cairns’s city centre.

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

    For as low as $2,369, Singapore Airlines can have you in Cairns from London Heathrow Airport in 22h 35m. The distance between London Heathrow Airport and Cairns is about 15142 km. This flight may include one or multiple stops.

  • 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 $1,494). Flying from London Heathrow Airport to Cairns in July is currently the most expensive (average of $2,615). 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

Travelling to a place near Cairns?

Book flights to Cairns if you plan to visit one of these locations
Mission Beach
Trinity Beach

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

When you search for this flight from Heathrow to Cairns, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Cairns by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Cairns from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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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