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Cheap flights from London Heathrow Airport to Cairns from £489

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CNS
16 Jul — 23 Jul1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Cairns are usually found in May or February, 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 11 July 2025.

Round-trip from

£820

One-way from

£489

Popular in

December

Cheapest in

May

Average price

£1,444
27/10-10/11
  • 27/10-10/11
  • 4 total stops
  • 83h 30m total
  • London to Cairns
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7/9
  • 7/9
  • 3 total stops
  • 52h 10m total
  • London to Cairns
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£65 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£23 potential savings vs. average return price).
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Average for round-trip flights in July 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 11 July 2025.

Mon 27/1021:00LHR - CNS
2 stops38h 00mMultiple Airlines
Mon 10/1106:00CNS - LHR
2 stops45h 30mMultiple Airlines
Deal found 10/7£820
Tue 23/922:15LHR - CNS
2 stops39h 35mCathay Pacific
Fri 14/1114:50CNS - LHR
2 stops48h 40mCathay Pacific
Deal found 10/7£1,019
Wed 26/1110:55LHR - CNS
1 stop44h 25mSingapore Airlines
Wed 10/1218:35CNS - LHR
1 stop34h 35mSingapore Airlines
Deal found 9/7£1,069

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 11 July 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

06:00-17:30

2 stops45h 30m

£820

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Tue 23/9

22:15-22:50

2 stops39h 35m

Cairns

Fri 14/11

14:50-05:30

2 stops48h 40m

£1,019

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 26/11

10:55-17:20

1 stop44h 25m

Cairns

Wed 10/12

18:35-19:10

1 stop34h 35m

£1,069

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 7/9

22:15-11:25

3 stops52h 10m

£489

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Fri 7/11

20:35-17:20

1 stop34h 45m

£684

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 28/9

18:20-11:35

2 stops32h 15m

£910

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 28/9

08:05-23:35

2 stops30h 30m

£951

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 28/9

12:05-15:55

3 stops42h 50m

£1,323

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sat 26/7

20:50-13:45

3 stops31h 55m

£2,392

Flights are sorted by cheapest return flights first.

Deals found on 8/7

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 27 June 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 11 July 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.

How much does it cost for a return flight from London Heathrow Airport to Cairns?

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 11 July 2025.
Get a feel of what it's like to fly with Singapore Airlines, Cathay Pacific, andQantas Airways from London Heathrow Airport to Cairns by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,324 reviews
Check prices

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Overall

8.1

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very Good
1,324 reviews
Singapore Airlines
8.1
Very Good
1,324 reviews
Check prices

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Overall

8.1

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Cathay Pacific
7.6
Good
929 reviews
Singapore Airlines
8.1
Very Good
1,324 reviews
Check prices

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Overall

8.1

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Qantas Airways
7.5
Good
876 reviews
Singapore Airlines
8.1
Very Good
1,324 reviews
Check prices

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Overall

8.1

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Qatar Airways
7.4
Good
3,596 reviews
Singapore Airlines
8.1
Very Good
1,324 reviews
Check prices

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Overall

8.1

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Air Canada
7.1
Good
9,695 reviews
Singapore Airlines
8.1
Very Good
1,324 reviews
Check prices

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Overall

8.1

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

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 7 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 Cathay Pacific. Our recent data shows that you can find tickets from as low as £1,019 on this airline. An additional option worth looking into is Singapore Airlines, starting at £1,069. Cathay Pacific is 14% 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 Singapore Airlines, which is currently one of the cheapest options available, starting at £684. Cathay Pacific flights start at £910 while deals on Qatar Airways start at £951 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 7 airlines flying from Heathrow to Cairns

Discover the top 7 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 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest£727Average£922FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
SWISSCheapest£775Average£1,167FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Etihad AirwaysCheapest£807Average£1,171FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Singapore AirlinesCheapest£890Average£1,164FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
LufthansaCheapest£924Average£997FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Qantas AirwaysCheapest£1,116Average£1,419FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Japan AirlinesCheapest£1,349Average£1,542FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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