Cheap flights from London Heathrow Airport to Cairns from $948

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 25/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CNS
12 ott — 19 ott1
1 adult
1 adult, Economy

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 12 settembre 2025.

Round-trip from

$2,274

One-way from

$948

Popular in

December

Cheapest in

May

Average price

$2,437
SWISS
  • SWISS
  • 3/2-10/2
  • 6 total stops
  • 77h 10m total
  • London to Cairns
25/10
  • 25/10
  • 2 total stops
  • 40h 15m total
  • London to Cairns
Highest demand for flights based on searches. 5% potential increase in price ($230 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($80 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find flight deals from Heathrow to Cairns

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 12 settembre 2025.

mar 28/1017:50LHR - CNS
2 stops32h 00mCathay Pacific
mar 10/212:00CNS - LHR
1 stop28h 20mCathay Pacific
Deal found 11/9$2,275
mar 25/1109:10LHR - CNS
1 stop22h 10mSingapore Airlines
ven 26/1218:35CNS - LHR
1 stop45h 20mSingapore Airlines
Deal found 11/9$2,280
gio 30/1011:00LHR - CNS
2 stops38h 50mCathay Pacific
gio 27/1111:35CNS - LHR
2 stops37h 25mCathay Pacific
Deal found 10/9$2,322
lun 27/1021:00LHR - CNS
2 stops38h 00mMultiple Airlines
mar 10/212:00CNS - LHR
1 stop27h 30mMultiple Airlines
Deal found 11/9$2,324
gio 30/1021:00LHR - CNS
2 stops34h 15mMultiple Airlines
mar 10/212:00CNS - LHR
1 stop28h 20mMultiple Airlines
Deal found 11/9$2,334
lun 24/1121:45LHR - CNS
1 stop33h 35mSingapore Airlines
dom 22/218:35CNS - LHR
1 stop23h 05mSingapore Airlines
Deal found 11/9$2,342
dom 26/1022:00LHR - CNS
2 stops37h 00mMultiple Airlines
dom 2/1115:45CNS - LHR
2 stops35h 10mMultiple Airlines
Deal found 11/9$2,354
mer 29/1021:00LHR - CNS
2 stops34h 15mMultiple Airlines
mar 10/212:00CNS - LHR
1 stop27h 30mMultiple Airlines
Deal found 11/9$2,357
gio 25/922:10LHR - CNS
2 stops37h 45mMultiple Airlines
gio 16/1017:25CNS - LHR
3 stops34h 55mMultiple Airlines
Deal found 11/9$2,364
mer 19/1120:35LHR - CNS
1 stop34h 45mSingapore Airlines
mer 3/1218:35CNS - LHR
1 stop34h 35mSingapore Airlines
Deal found 10/9$2,401

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 12 settembre 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

mar 3/2

07:00-10:30

3 stops41h 30m

Cairns

mar 10/2

12:00-13:40

3 stops35h 40m

$2,274

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

gio 30/10

11:00-11:50

2 stops38h 50m

Cairns

gio 27/11

11:35-15:00

2 stops37h 25m

$2,322

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

lun 24/11

19:30-17:20

3 stops35h 50m

Cairns

dom 22/2

18:35-13:00

3 stops28h 25m

$2,455

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

lun 27/10

17:50-16:50

2 stops37h 00m

Cairns

mar 10/2

11:35-17:20

2 stops39h 45m

$2,523

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

gio 30/10

20:15-14:05

2 stops55h 50m

Cairns

mar 10/2

11:35-15:00

2 stops37h 25m

$2,529

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

ven 10/10

09:45-23:05

2 stops28h 20m

Cairns

ven 17/10

16:10-19:00

2 stops35h 50m

$2,683

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

sab 25/10

21:20-08:30

3 stops50h 10m

Cairns

sab 1/11

12:35-06:15

2 stops51h 40m

$2,702

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

mer 5/11

21:45-17:20

1 stop33h 35m

Cairns

dom 30/11

18:35-19:10

1 stop34h 35m

$2,769

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

mer 5/11

20:40-22:05

2 stops39h 25m

Cairns

dom 30/11

18:35-15:20

1 stop30h 45m

$2,776

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

mar 23/12

20:15-10:30

1 stop28h 15m

Cairns

dom 11/1

12:35-15:00

2 stops36h 25m

$2,989

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 17 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 29 August 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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Cairns (average of $165). Flying from London Heathrow Airport to Cairns in October is currently the most expensive (average of $233). 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 $2,322, SWISS can have you in Cairns from London Heathrow Airport in 38h 50m. 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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Cairns (average of $165). Flying from London Heathrow Airport to Cairns in October is currently the most expensive (average of $233). 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
Trinity Beach
Mission Beach

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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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