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Cheap flights from London Heathrow Airport to Cairns from $845

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 29/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CNS
13 Dec — 20 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 13 November 2025.

Sat 15/1121:00LHR - CNS
2 stops39h 05mMultiple Airlines
Sun 30/1109:45CNS - LHR
2 stops65h 45mMultiple Airlines
Deal found 12/11$1,769
Mon 1/1221:00LHR - CNS
2 stops52h 20mMultiple Airlines
Mon 15/1209:45CNS - LHR
3 stops41h 45mMultiple Airlines
Deal found 10/11$1,975
Fri 28/1121:00LHR - CNS
2 stops50h 20mMultiple Airlines
Tue 16/1209:45CNS - LHR
3 stops41h 45mMultiple Airlines
Deal found 10/11$2,052
Tue 9/1211:00LHR - CNS
1 stop36h 55mMultiple Airlines
Tue 16/1211:25CNS - LHR
2 stops34h 40mMultiple Airlines
Deal found 10/11$2,085
Thu 20/1110:25LHR - CNS
2 stops33h 20mMultiple Airlines
Tue 3/211:25CNS - LHR
1 stop28h 00mMultiple Airlines
Deal found 12/11$2,119
Wed 19/1116:50LHR - CNS
2 stops44h 15mMultiple Airlines
Wed 4/215:35CNS - LHR
2 stops33h 25mMultiple Airlines
Deal found 12/11$2,131
Mon 17/1115:30LHR - CNS
3 stops31h 00mMultiple Airlines
Mon 1/1209:45CNS - LHR
3 stops36h 30mMultiple Airlines
Deal found 12/11$2,190
Thu 20/1109:10LHR - CNS
3 stops34h 35mMultiple Airlines
Thu 5/212:35CNS - LHR
2 stops38h 45mMultiple Airlines
Deal found 12/11$2,208

Cheap 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 13 November 2025.

Round-trip from

$1,654

One-way from

$845

Popular in

December

Cheapest in

May

Average price

$2,719
6/5-20/5
  • 6/5-20/5
  • 4 total stops
  • 79h 50m total
  • London to Cairns
Search Deals
29/1
  • 29/1
  • 3 total stops
  • 45h 30m total
  • London to Cairns
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($446 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($93 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 13 November 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Cairns that are best for you.

Fly from

Heathrow

Fly to

Cairns

Route

Depart

Return

Price

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 22/4

21:20-09:45

3 stops51h 25m

Cairns

Wed 3/6

19:15-18:40

2 stops32h 25m

$2,050

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Tue 9/12

11:00-09:55

1 stop36h 55m

Cairns

Tue 16/12

11:25-12:05

2 stops34h 40m

$2,085

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 15/3

20:15-17:20

2 stops59h 05m

Cairns

Sun 19/4

18:15-08:40

2 stops23h 25m

$2,119

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 6/5

18:40-17:00

2 stops37h 20m

Cairns

Wed 20/5

18:15-16:25

3 stops31h 10m

$2,128

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Fri 28/11

21:00-09:20

2 stops50h 20m

Cairns

Tue 16/12

14:35-17:30

2 stops36h 55m

$2,157

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Fri 1/5

22:05-17:00

1 stop57h 55m

Cairns

Fri 29/5

18:15-19:30

1 stop34h 15m

$2,226

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

$2,243

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Mon 4/5

18:55-11:25

2 stops31h 30m

Cairns

Tue 19/5

12:10-14:10

2 stops35h 00m

$2,284

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 6/5

21:55-11:25

2 stops28h 30m

Cairns

Mon 18/5

12:10-13:15

2 stops34h 05m

$2,284

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Mon 4/5

21:55-11:25

2 stops28h 30m

Cairns

Mon 18/5

12:10-13:15

2 stops34h 05m

$2,284

Flights are sorted by cheapest return flights first.

Deals found on 12/11

Showing 1-10 of 19 results
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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 7 November 2025.

The best time to book flights from London Heathrow Airport to Cairns is 28 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, June is the cheapest month in which you can book a flight from London Heathrow Airport to Cairns (average of $1,556). Flying from London Heathrow Airport to Cairns in December is currently the most expensive (average of $2,243). 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 $2,128, Lufthansa can have you in Cairns from London Heathrow Airport in 37h 20m. 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, June is the cheapest month in which you can book a flight from London Heathrow Airport to Cairns (average of $1,556). Flying from London Heathrow Airport to Cairns in December is currently the most expensive (average of $2,243). 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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