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Cheap flights from London Heathrow Airport to Cairns from $997

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 26/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CNS
7 Sep — 14 Sep1
1 adult

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 2 September 2025.

Round-trip from

$2,305

One-way from

$997

Popular in

December

Cheapest in

May

Average price

$2,467
Singapore Airlines
  • Singapore Airlines
  • 27/10-10/11
  • 3 total stops
  • 61h 05m total
  • London to Cairns
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26/11
  • 26/11
  • 2 total stops
  • 52h 20m total
  • London to Cairns
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($236 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($82 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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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 2 September 2025.

Mon 27/1021:00LHR - CNS
2 stops38h 00mMultiple Airlines
Mon 10/1118:35CNS - LHR
1 stop23h 05mMultiple Airlines
Deal found 31/8$2,305
Thu 16/1021:20LHR - CNS
2 stops40h 45mMultiple Airlines
Thu 23/1015:35CNS - LHR
2 stops60h 05mMultiple Airlines
Deal found 1/9$2,410
Sun 28/921:20LHR - CNS
2 stops36h 40mMultiple Airlines
Thu 9/1015:35CNS - LHR
2 stops60h 05mMultiple Airlines
Deal found 1/9$2,426
Sun 12/1022:10LHR - CNS
2 stops51h 25mChina Southern
Fri 24/1006:00CNS - LHR
2 stops46h 00mChina Southern
Deal found 1/9$2,464
Fri 31/1016:55LHR - CNS
3 stops40h 10mMultiple Airlines
Fri 7/1123:55CNS - LHR
3 stops41h 25mMultiple Airlines
Deal found 31/8$2,482
Sat 29/1122:05LHR - CNS
2 stops32h 10mCathay Pacific
Sat 13/1212:00CNS - LHR
1 stop28h 20mCathay Pacific
Deal found 31/8$2,493
Mon 27/1020:35LHR - CNS
1 stop34h 45mSingapore Airlines
Mon 10/1118:35CNS - LHR
1 stop54h 45mSingapore Airlines
Deal found 1/9$2,630
Fri 31/1020:35LHR - CNS
1 stop34h 45mSingapore Airlines
Fri 7/1118:35CNS - LHR
1 stop34h 35mSingapore Airlines
Deal found 31/8$2,647
Mon 1/1220:05LHR - CNS
3 stops35h 15mSWISS
Thu 15/112:00CNS - LHR
2 stops30h 05mSWISS
Deal found 31/8$2,653

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 2 September 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

Mon 27/10

21:00-21:00

2 stops38h 00m

Cairns

Mon 10/11

18:35-07:40

1 stop23h 05m

$2,305

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Thu 16/10

21:20-23:05

2 stops40h 45m

Cairns

Thu 23/10

15:35-18:40

2 stops60h 05m

$2,410

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 28/9

21:20-19:00

2 stops36h 40m

Cairns

Thu 9/10

15:35-18:40

2 stops60h 05m

$2,426

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 12/10

22:10-10:35

2 stops51h 25m

Cairns

Fri 24/10

06:00-19:00

2 stops46h 00m

$2,464

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 12/10

22:10-10:35

2 stops51h 25m

Cairns

Thu 23/10

15:35-19:00

2 stops60h 25m

$2,464

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Fri 31/10

16:55-19:05

3 stops40h 10m

Cairns

Fri 7/11

23:55-07:20

3 stops41h 25m

$2,482

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sat 29/11

22:05-16:15

2 stops32h 10m

Cairns

Sat 13/12

12:00-06:20

1 stop28h 20m

$2,493

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Mon 27/10

20:35-17:20

1 stop34h 45m

Cairns

Mon 10/11

18:35-15:20

1 stop54h 45m

$2,630

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 26/11

21:00-11:20

2 stops52h 20m

$997

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Mon 15/9

22:05-09:45

3 stops50h 40m

$1,056

Flights are sorted by cheapest return flights first.

Deals found on 1/9

Showing 1-10 of 16 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.

  • 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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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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