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Cheap flights from Cairns to London Heathrow Airport from £363

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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — LHR
16 Jan — 23 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cairns to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Cairns to Heathrow
Explore the most affordable flight options available from Cairns to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 December 2025.

Fri 19/1206:40CNS - LHR
2 stops33h 35mMultiple Airlines
Sun 4/120:10LHR - CNS
2 stops29h 10mMultiple Airlines
Deal found 16/12£2,358
Fri 19/1212:35CNS - LHR
2 stops52h 25mCathay Pacific
Sun 4/117:50LHR - CNS
1 stop30h 05mCathay Pacific
Deal found 15/12£2,503
Fri 19/1219:15CNS - LHR
3 stops54h 50mKLM
Sun 4/108:40LHR - CNS
3 stops35h 05mKLM
Deal found 15/12£2,627
Fri 19/1218:35CNS - LHR
1 stop34h 35mSingapore Airlines
Sun 4/110:40LHR - CNS
1 stop20h 40mSingapore Airlines
Deal found 15/12£2,628

Find flight deals from Cairns to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Cairns (CNS) to Heathrow (LHR). 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 17 December 2025.

Round-trip from

£899

One-way from

£363

Popular in

June

Cheapest in

February

Average price

£1,245
Singapore Airlines
  • Singapore Airlines
  • 30/1-6/2
  • 2 total stops
  • 76h 55m total
  • Cairns to London
Search Deals
6/3
  • 6/3
  • 3 total stops
  • 58h 05m total
  • Cairns to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£36 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£31 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cairns to Heathrow 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 858,174 searches. Data last updated 17 December 2025.
Use the filters below to find and compare flights from Cairns to London Heathrow Airport that are best for you.

Fly from

Cairns

Fly to

Heathrow

Route

Depart

Return

Price

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Fri 30/1

18:35-15:20

1 stop30h 45m

London Heathrow

Fri 6/2

09:10-17:20

1 stop46h 10m

£899

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 29/1

09:45-09:55

3 stops34h 10m

London Heathrow

Thu 5/2

17:45-05:45

2 stops26h 00m

£922

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 29/1

11:25-15:00

1 stop37h 35m

London Heathrow

Thu 5/2

17:50-09:55

1 stop30h 05m

£930

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 14/1

18:35-15:20

1 stop30h 45m

London Heathrow

Sat 28/2

21:45-17:20

1 stop33h 35m

£978

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Fri 30/1

14:35-17:30

2 stops36h 55m

London Heathrow

Fri 6/2

21:00-18:45

2 stops35h 45m

£999

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sat 31/1

09:15-06:35

2 stops31h 20m

London Heathrow

Sat 7/2

14:15-08:35

2 stops32h 20m

£1,044

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 5/2

11:25-17:20

1 stop39h 55m

London Heathrow

Mon 9/2

22:05-10:45

2 stops50h 40m

£1,047

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sat 31/1

11:25-15:00

1 stop37h 35m

London Heathrow

Sat 7/2

22:05-08:35

2 stops48h 30m

£1,065

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 5/2

11:45-05:05

2 stops27h 20m

London Heathrow

Mon 9/2

20:10-16:50

2 stops34h 40m

£1,127

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Fri 6/3

19:15-19:20

3 stops58h 05m

£363

Flights are sorted by cheapest return flights first.

Deals found on 15/12

Showing 1-10 of 17 results
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Best time to book a flight from Cairns to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Cairns 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 Cairns to London Heathrow Airport

What is the cheapest month to book a flight from Cairns to London Heathrow Airport?

Currently, February is the cheapest month in which you can book a flight from Cairns to London Heathrow Airport (average of £698). Flying from Cairns to London Heathrow Airport in December is currently the most expensive (average of £1,114). 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 Cairns to Heathrow. 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 from for flights from Cairns to London Heathrow?

    Cairns (CNS), located 2.8 mi from the city center, is the airport you fly out of when you book flights from Cairns to London Heathrow. 0 airlines have flights from Cairns to London Heathrow on a regular basis. Booking flights from Cairns to London Heathrow should not be difficult; the airport handles an average of 0 outbound flights to London Heathrow per day.

  • How long is the flight from Cairns to London Heathrow Airport?

    There are many flights that can get you from Cairns to London Heathrow Airport in 30h 45m. Fly via Singapore Airlines or Cathay Pacific to get the fastest option. Cairns and London Heathrow Airport are separated by a distance of 9409 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Cairns to Heathrow that include hotel bookings?

    Yes. In addition to deals on Cairns to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cairns to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cairns to Heathrow.

  • Can I find deals for business class flights from Cairns to Heathrow?

    Yes. Cheapflights offers flight deals from Cairns to Heathrow 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 Cairns to London Heathrow Airport?

    Currently, February is the cheapest month in which you can book a flight from Cairns to London Heathrow Airport (average of £698). Flying from Cairns to London Heathrow Airport in December is currently the most expensive (average of £1,114). 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Hounslow
Northampton
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Hayes
Watford
Crawley
Swindon
Winchester
Bedford
Romford
Chichester
Eastbourne

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Deals for Cairns to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Cairns to Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from Cairns by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Cairns to Heathrow with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Cairns to Heathrow, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Cairns to Heathrow become cheaper?

Not ready to book yet? You can track prices for flights from Cairns to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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