Find flights
When to book
FAQs

Cheap flights from London Heathrow Airport to Cairns from $868

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CNS
20 Dec — 27 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 20 November 2025.

Wed 19/1121:00LHR - CNS
2 stops49h 30mMultiple Airlines
Wed 3/1209:45CNS - LHR
3 stops41h 45mMultiple Airlines
Deal found 18/11$1,911
Wed 26/1122:00LHR - CNS
2 stops51h 50mMultiple Airlines
Tue 2/1207:45CNS - LHR
2 stops44h 50mMultiple Airlines
Deal found 18/11$2,008
Mon 22/1211:00LHR - CNS
2 stops43h 15mCathay Pacific
Tue 13/111:25CNS - LHR
1 stop37h 35mCathay Pacific
Deal found 19/11$2,650
Wed 26/1120:10LHR - CNS
2 stops39h 55mQantas Airways
Tue 2/1211:35CNS - LHR
3 stops52h 40mQantas Airways
Deal found 18/11$2,724
Thu 18/1214:00LHR - CNS
2 stops28h 35mMultiple Airlines
Thu 15/111:25CNS - LHR
1 stop37h 35mMultiple Airlines
Deal found 18/11$2,747
Tue 16/1206:00LHR - CNS
2 stops41h 55mMultiple Airlines
Thu 15/111:25CNS - LHR
1 stop37h 35mMultiple Airlines
Deal found 18/11$2,841
Sun 21/1220:25LHR - CNS
2 stops27h 30mMultiple Airlines
Thu 15/111:25CNS - LHR
1 stop37h 35mMultiple Airlines
Deal found 18/11$2,861

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 20 November 2025.

Round-trip from

$1,654

One-way from

$868

Popular in

December

Cheapest in

May

Average price

$2,741
Lufthansa
  • Lufthansa
  • 1/5-29/5
  • 4 total stops
  • 68h 35m total
  • London to Cairns
Search Deals
5/2
  • 5/2
  • 3 total stops
  • 45h 30m total
  • London to Cairns
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($440 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 20 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

Fri 1/5

22:05-17:00

1 stop57h 55m

Cairns

Fri 29/5

18:15-19:30

1 stop34h 15m

$2,235

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

$2,295

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sat 4/4

20:35-17:00

1 stop35h 25m

Cairns

Mon 20/4

18:15-19:30

1 stop34h 15m

$2,346

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 13/5

11:55-05:20

1 stop32h 25m

Cairns

Sun 17/5

06:00-06:35

2 stops33h 35m

$2,351

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Fri 1/5

17:00-09:50

2 stops31h 50m

Cairns

Fri 29/5

11:00-22:00

3 stops44h 00m

$2,399

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sat 4/4

20:50-16:15

2 stops34h 25m

Cairns

Mon 20/4

17:40-06:35

2 stops45h 55m

$2,436

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 26/11

21:00-08:20

2 stops49h 20m

$1,033

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Tue 10/2

09:30-05:45

3 stops34h 15m

$1,071

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Thu 25/12

22:05-09:55

1 stop25h 50m

$1,212

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 8/2

16:35-05:45

2 stops27h 10m

$1,251

Flights are sorted by cheapest return flights first.

Deals found on 18/11

Showing 1-10 of 15 results
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 14 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 $1,569). Flying from London Heathrow Airport to Cairns in December is currently the most expensive (average of $2,261). 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 $2,351, Singapore Airlines can have you in Cairns from London Heathrow Airport in 32h 25m. 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 $1,569). Flying from London Heathrow Airport to Cairns in December is currently the most expensive (average of $2,261). 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

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.

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?

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.