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Cheap flights from London Heathrow Airport to Cairns from $844

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
22 Apr — 29 Apr1
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 23 March 2026.

Sun 3/521:20
LHR
-
CNS
2 stops38h 00m
Multiple Airlines
Sun 10/521:40
CNS
-
LHR
2 stops54h 00m
Multiple Airlines
Deal found 19/3$1,601
Mon 4/521:20
LHR
-
CNS
2 stops47h 10m
Multiple Airlines
Mon 11/519:00
CNS
-
LHR
2 stops32h 40m
Multiple Airlines
Deal found 20/3$1,675
Thu 15/1021:20
LHR
-
CNS
2 stops40h 20m
Multiple Airlines
Thu 5/1106:00
CNS
-
LHR
2 stops45h 30m
Multiple Airlines
Deal found 20/3$1,706
Mon 15/610:00
LHR
-
CNS
2 stops46h 00m
Multiple Airlines
Wed 15/718:15
CNS
-
LHR
2 stops45h 40m
Multiple Airlines
Deal found 22/3$1,713
Tue 20/1021:20
LHR
-
CNS
2 stops31h 45m
Multiple Airlines
Thu 5/1106:00
CNS
-
LHR
2 stops45h 30m
Multiple Airlines
Deal found 22/3$1,737
Thu 7/521:20
LHR
-
CNS
2 stops40h 20m
Multiple Airlines
Thu 14/515:35
CNS
-
LHR
2 stops60h 05m
Multiple Airlines
Deal found 23/3$1,789
Wed 6/521:20
LHR
-
CNS
2 stops34h 50m
Multiple Airlines
Wed 20/506:45
CNS
-
LHR
2 stops44h 55m
Multiple Airlines
Deal found 21/3$1,818
Sat 30/521:20
LHR
-
CNS
2 stops52h 55m
Multiple Airlines
Mon 15/621:40
CNS
-
LHR
2 stops54h 00m
Multiple Airlines
Deal found 22/3$1,843
Fri 1/509:30
LHR
-
CNS
2 stops38h 50m
Multiple Airlines
Fri 29/521:40
CNS
-
LHR
2 stops48h 05m
Multiple Airlines
Deal found 22/3$1,887
Wed 15/421:10
LHR
-
CNS
2 stops40h 15m
Multiple Airlines
Wed 13/511:00
CNS
-
LHR
2 stops34h 45m
Multiple Airlines
Deal found 20/3$1,890

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 23 March 2026.

Round-trip from

$1,601

One-way from

$844

Popular in

July

Cheapest in

February

Average price

$2,298
3/5-10/5
  • 3/5-10/5
  • 4 total stops
  • 92h 00m 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. 10% potential increase in price ($420 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($143 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 23 March 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

Sat 4/7

14:45-22:25

2 stops46h 40m

Cairns

Thu 16/7

07:00-07:00

2 stops33h 00m

$2,032

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Thu 14/5

20:50-16:55

2 stops35h 05m

Cairns

Mon 18/5

09:10-14:25

2 stops38h 15m

$2,546

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Thu 4/6

16:50-19:30

2 stops41h 40m

Cairns

Mon 8/6

18:20-20:15

2 stops34h 55m

$2,556

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sat 4/7

22:05-17:00

1 stop33h 55m

Cairns

Thu 16/7

19:15-05:55

2 stops43h 40m

$2,639

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Thu 21/5

20:50-10:35

2 stops28h 45m

Cairns

Thu 16/7

06:00-06:35

3 stops33h 35m

$2,734

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Fri 14/8

20:35-17:00

1 stop59h 25m

Cairns

Sun 13/9

18:15-19:30

1 stop34h 15m

$2,750
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

$2,949

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Thu 4/6

11:55-21:15

1 stop24h 20m

Cairns

Mon 8/6

17:40-16:10

2 stops31h 30m

$2,969

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 15/4

20:50-10:00

2 stops28h 10m

Cairns

Wed 13/5

06:00-06:35

3 stops33h 35m

$3,056
Cheapest one-way

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Thu 3/9

21:20-09:45

3 stops51h 25m

$1,048

Flights are sorted by cheapest return flights first.

Deals found on 23/3

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

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 $1,501). Flying from London Heathrow Airport to Cairns in July is currently the most expensive (average of $2,634). 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.

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 $2,639, Qantas Airways can have you in Cairns from London Heathrow Airport in 33h 55m. 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 $1,501). Flying from London Heathrow Airport to Cairns in July is currently the most expensive (average of $2,634). 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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