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Cheap flights from London Heathrow Airport to Cairns from £679

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 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CNS
17 Apr — 24 Apr1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Cairns are usually found in May or March, booked 28 days in advance, depart on a Wednesday or Tuesday and return on a Monday

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 April 2025.

Round-trip from

£862

One-way from

£679

Popular in

December

Cheapest in

May

Average price

£1,300
1/5-15/5
  • 1/5-15/5
  • 6 total stops
  • 68h 15m total
  • London to Cairns
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29/9
  • 29/9
  • 2 total stops
  • 34h 45m total
  • London to Cairns
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£100 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£29 potential savings vs. average return price).
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Average for round-trip flights in April 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 12 April 2025.

Thu 1/510:00LHR - CNS
3 stops35h 35mMultiple Airlines
Thu 15/507:15CNS - LHR
3 stops32h 40mMultiple Airlines
Deal found 11/4£862
Sun 18/509:25LHR - CNS
1 stop22h 35mSingapore Airlines
Mon 26/518:15CNS - LHR
1 stop34h 15mSingapore Airlines
Deal found 11/4£968
Sun 4/509:30LHR - CNS
2 stops39h 10mEtihad Airways
Sat 31/513:05CNS - LHR
2 stops50h 55mEtihad Airways
Deal found 10/4£1,049
Mon 26/518:40LHR - CNS
2 stops37h 20mSWISS
Mon 2/618:15CNS - LHR
3 stops31h 20mSWISS
Deal found 11/4£1,058
Sun 13/722:10LHR - CNS
2 stops30h 35mChina Southern
Wed 10/906:00CNS - LHR
2 stops46h 00mChina Southern
Deal found 10/4£1,234
Sun 27/420:40LHR - CNS
2 stops32h 05mEmirates
Mon 5/512:15CNS - LHR
2 stops33h 10mEmirates
Deal found 11/4£1,393
Sun 27/421:25LHR - CNS
2 stops51h 15mQatar Airways
Sat 3/510:20CNS - LHR
2 stops36h 45mQatar Airways
Deal found 11/4£1,429
Tue 22/420:50LHR - CNS
2 stops38h 50mQantas Airways
Sat 3/510:10CNS - LHR
2 stops35h 15mQantas Airways
Deal found 11/4£1,458

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 858,174 searches. Data last updated 12 April 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

Thu 1/5

10:00-06:35

3 stops35h 35m

Cairns

Thu 15/5

07:15-06:55

3 stops32h 40m

£862

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 18/5

09:25-17:00

1 stop22h 35m

Cairns

Mon 26/5

18:15-19:30

1 stop34h 15m

£968

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 4/5

09:30-09:40

2 stops39h 10m

Cairns

Sat 31/5

13:05-07:00

2 stops50h 55m

£1,049

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Mon 26/5

18:40-17:00

2 stops37h 20m

Cairns

Mon 2/6

18:15-16:35

3 stops31h 20m

£1,058

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 13/7

22:10-13:45

2 stops30h 35m

Cairns

Fri 12/9

15:35-19:00

2 stops60h 25m

£1,234

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 27/4

20:40-13:45

2 stops32h 05m

Cairns

Mon 5/5

12:15-12:25

2 stops33h 10m

£1,393

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 27/4

21:25-09:40

2 stops51h 15m

Cairns

Sat 3/5

10:20-14:05

2 stops36h 45m

£1,429

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Tue 22/4

20:50-20:40

2 stops38h 50m

Cairns

Sat 3/5

10:10-12:25

2 stops35h 15m

£1,458

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Mon 29/9

08:40-04:25

2 stops34h 45m

£679

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Thu 2/10

14:45-11:40

2 stops35h 55m

£802

Flights are sorted by cheapest return flights first.

Deals found on 10/4

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 4 April 2025.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Cairns, you should look to book at least 28 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 £1,372). Flying from London Heathrow Airport to Cairns in July is currently the most expensive (average of £2,027). 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.

What is the cheapest time of day to fly from LHR to CNS?

Find hourly flight availability from Heathrow to Cairns. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 April 2025.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Cairns in the evening. If you’re flexible enough to do this you can expect to save up to 69% on your trip compared to booking a flight at midday.

Rainfall in Cairns by month

Plan your trip to Cairns by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Cairns ranges from 20.0 - 430.0 inches per month. March is typically the wettest month, when rainfall can reach 430.0 mm. July is typically the driest time to visit Cairns when rainfall is around 20.0 mm.

Temperature in Cairns by month

Plan your trip to Cairns by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Cairns, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 21.0 C).

Reviews of airlines servicing Cairns

Get insights into the airlines that provide service to Cairns. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cairns. Reviews last updated 12 April 2025.
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Crew

8.6

Comfort

7.9

Overall

8.1

Food

7.7

Entertainment

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.1
Very Good
1,288 reviews
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Crew

8.6

Comfort

7.9

Overall

8.1

Food

7.7

Entertainment

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Fiji Airways
8.0
Very Good
180 reviews
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Crew

8.6

Comfort

7.9

Overall

8.1

Food

7.7

Entertainment

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Emirates
8.0
Very Good
3,197 reviews
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Crew

8.6

Comfort

7.9

Overall

8.1

Food

7.7

Entertainment

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Qantas Airways
7.5
Good
818 reviews
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Crew

8.6

Comfort

7.9

Overall

8.1

Food

7.7

Entertainment

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Cathay Pacific
7.5
Good
844 reviews
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Crew

8.6

Comfort

7.9

Overall

8.1

Food

7.7

Entertainment

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

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?

    Most people fly into Cairns (CNS) if they book a flight to Cairns from London Heathrow. On average, Cairns has 0 inbound flights from London Heathrow per day from 6 airlines. Cairns is conveniently located just 2.8 mi from Cairns’s city center.

  • What are the cheapest airlines flying from London Heathrow Airport to Cairns round-trip?

    Our cheapest airline available from London Heathrow Airport to Cairns is Singapore Airlines. Our recent data shows that you can find tickets from as low as £968 on this airline. Additional options worth looking into are Etihad Airways and SWISS, starting at £1,049 and £1,058 round-trip. Singapore Airlines is 21% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from London Heathrow Airport to Cairns one-way?

    To fly one-way, consider booking your trip with Fiji Airways, which is currently one of the cheapest options available, starting at £802. Singapore Airlines flights start at £1,000 while deals on Qantas Airways start at £1,219 one-way.

  • 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 £1,372). Flying from London Heathrow Airport to Cairns in July is currently the most expensive (average of £2,027). 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

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.

Top 6 airlines flying from Heathrow to Cairns

Discover the top 6 airlines that operate flights from Heathrow to Cairns. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest£756Average£865FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
LufthansaCheapest£775Average£994FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Etihad AirwaysCheapest£839Average£982FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Singapore AirlinesCheapest£941Average£1,201FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Japan AirlinesCheapest£1,069Average£1,519FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Qantas AirwaysCheapest£1,168Average£1,476FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

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

Deals for Heathrow to Cairns 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 Heathrow to Cairns?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Cairns for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to Cairns from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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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