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Cheap flights from Cairns to London Heathrow Airport from £262

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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — LHR
29 Jan — 5 Feb1
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 30 December 2025.

Wed 31/1214:35CNS - LHR
2 stops36h 55mMultiple Airlines
Sun 18/121:00LHR - CNS
2 stops39h 30mMultiple Airlines
Deal found 29/12£1,345
Wed 31/1219:15CNS - LHR
3 stops55h 45mKLM
Sun 18/106:30LHR - CNS
3 stops37h 15mKLM
Deal found 29/12£1,619

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 30 December 2025.

Round-trip from

£817

One-way from

£262

Popular in

June

Cheapest in

February

Average price

£1,236
1/2-14/3
  • 1/2-14/3
  • 4 total stops
  • 109h 45m total
  • Cairns to London
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4/2
  • 4/2
  • 2 total stops
  • 57h 25m total
  • Cairns to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£39 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% 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 30 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

Wed 11/2

18:35-19:10

1 stop34h 35m

London Heathrow

Wed 18/2

10:40-17:20

1 stop44h 40m

£890

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 14/1

18:35-19:10

1 stop34h 35m

London Heathrow

Sat 28/2

20:35-17:20

1 stop34h 45m

£979

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sun 1/2

09:45-07:15

3 stops55h 30m

London Heathrow

Sat 28/2

11:00-08:30

3 stops35h 30m

£994

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 5/3

06:00-17:30

2 stops45h 30m

London Heathrow

Fri 20/3

21:00-09:20

2 stops50h 20m

£1,026

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sun 1/2

18:35-08:45

2 stops24h 10m

London Heathrow

Sat 14/3

18:40-10:45

3 stops30h 05m

£1,076

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 5/3

12:35-06:15

1 stop51h 40m

London Heathrow

Fri 20/3

11:50-14:05

2 stops40h 15m

£1,078

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 11/2

09:45-06:15

2 stops30h 30m

London Heathrow

Wed 18/2

20:10-14:05

3 stops31h 55m

£1,086

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sat 16/5

15:35-06:35

2 stops48h 00m

London Heathrow

Tue 19/5

20:50-11:50

2 stops30h 00m

£1,095

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sat 14/3

15:35-06:15

2 stops48h 40m

London Heathrow

Thu 2/4

20:50-21:00

2 stops39h 10m

£1,099

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 4/2

18:05-17:30

2 stops57h 25m

£264

Flights are sorted by cheapest return flights first.

Deals found on 29/12

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 £693). Flying from Cairns to London Heathrow Airport in December is currently the most expensive (average of £1,106). 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 34h 35m. Fly via Singapore Airlines to get the fastest option. Cairns and London Heathrow Airport are separated by a distance of 9409 mi.

  • 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 £693). Flying from Cairns to London Heathrow Airport in December is currently the most expensive (average of £1,106). 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
Luton
Slough
Northampton
Hounslow
Gatwick
Ilford
Wembley
Hayes
Brentford
Colchester
Watford
Crawley
Swindon
Bedford
Chelmsford
Romford
Eastbourne
Ipswich

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How does Cheapflights help users find flights from Cairns to Heathrow?

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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