Cheap flights from London Heathrow Airport to Cairns from £495

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from London Heathrow Airport to Cairns

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:30 - 17:15LHR  London Heathrow-CNS Cairns
42h 45m2 stops Shanghai Pu Dong Brisbane
Multiple Airlines Logo
06:00 - 17:30CNS  Cairns-LHR London Heathrow
45h 30m2 stops Brisbane Shanghai Pu Dong
£801Multiple Airlines
Tue, 23 Feb - Tue, 9 Mar
Multiple Airlines Logo
21:00 - 13:30LHR  London Heathrow-CNS Cairns
30h 30m2 stops Shanghai Pu Dong Sydney Kingsford Smith
Multiple Airlines Logo
12:05 - 17:30CNS  Cairns-LHR London Heathrow
63h 25m2 stops Brisbane Shanghai Pu Dong
£914Multiple Airlines
Tue, 9 Feb - Tue, 2 Mar
Multiple Airlines Logo
21:00 - 17:15LHR  London Heathrow-CNS Cairns
34h 15m2 stops Shanghai Pu Dong Brisbane
Multiple Airlines Logo
06:00 - 06:25CNS  Cairns-LHR London Heathrow
34h 25m2 stops Brisbane Shanghai Pu Dong
£925Multiple Airlines
Thu, 26 Nov - Wed, 9 Dec
Multiple Airlines Logo
21:20 - 18:25LHR  London Heathrow-CNS Cairns
36h 05m2 stops Shanghai Pu Dong Sydney Kingsford Smith
Multiple Airlines Logo
06:00 - 18:40CNS  Cairns-LHR London Heathrow
45h 40m2 stops Brisbane Shanghai Pu Dong
£934Multiple Airlines
Tue, 4 May - Wed, 9 Jun
Singapore Airlines Logo
22:05 - 17:05LHR  London Heathrow-CNS Cairns
34h 00m1 stop Singapore Changi
Singapore Airlines Logo
18:00 - 15:45CNS  Cairns-LHR London Heathrow
30h 45m1 stop Singapore Changi
£1,060Singapore Airlines
Tue, 27 Apr - Mon, 24 May
Singapore Airlines Logo
11:20 - 17:05LHR  London Heathrow-CNS Cairns
20h 45m1 stop Singapore Changi
Singapore Airlines Logo
18:00 - 19:30CNS  Cairns-LHR London Heathrow
34h 30m1 stop Singapore Changi
£1,088Singapore Airlines
Tue, 4 May - Wed, 9 Jun
Singapore Airlines Logo
09:10 - 17:15LHR  London Heathrow-CNS Cairns
22h 05m1 stop Singapore Changi
Singapore Airlines Logo
18:20 - 15:20CNS  Cairns-LHR London Heathrow
31h 00m1 stop Singapore Changi
£1,136Singapore Airlines
Tue, 2 Feb - Sat, 20 Feb
Qatar Airways Logo
14:55 - 23:05LHR  London Heathrow-CNS Cairns
46h 10m2 stops Doha Hamad Intl Brisbane
Qatar Airways Logo
19:50 - 08:00CNS  Cairns-LHR London Heathrow
46h 10m2 stops Melbourne Doha Hamad Intl
£1,288Qatar Airways
Tue, 8 Dec - Tue, 15 Dec
Qatar Airways Logo
08:05 - 23:05LHR  London Heathrow-CNS Cairns
29h 00m2 stops Doha Hamad Intl Brisbane
Qatar Airways Logo
19:50 - 06:25CNS  Cairns-LHR London Heathrow
44h 35m2 stops Melbourne Doha Hamad Intl
£1,446Qatar Airways
Wed, 9 Dec - Tue, 15 Dec
Qatar Airways Logo
08:35 - 16:45LHR  London Heathrow-CNS Cairns
46h 10m2 stops Doha Hamad Intl Sydney Kingsford Smith
Qatar Airways Logo
15:45 - 19:50CNS  Cairns-LHR London Heathrow
38h 05m2 stops Sydney Kingsford Smith Doha Hamad Intl
£1,627Qatar Airways
Wed, 6 Jan - Thu, 28 Jan

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Singapore Airlines flights from London Heathrow Airport to Cairns

Our best Singapore Airlines deals on London Heathrow Airport to Cairns flight tickets
Singapore Airlines
27 Apr
LHR22:05London Heathrow
34h 00m
1 stop
CNS17:05Cairns
24 May
CNS18:00Cairns
30h 45m
1 stop
LHR15:45London Heathrow
£1,060
Singapore Airlines
4 May
LHR11:20London Heathrow
20h 45m
1 stop
CNS17:05Cairns
9 Jun
CNS18:00Cairns
34h 30m
1 stop
LHR19:30London Heathrow
£1,088
Singapore Airlines
3 Mar
LHR21:45London Heathrow
33h 30m
1 stop
CNS17:15Cairns
24 Mar
CNS18:20Cairns
31h 00m
1 stop
LHR15:20London Heathrow
£1,122

Qatar Airways flights from London Heathrow Airport to Cairns

Our best Qatar Airways deals on London Heathrow Airport to Cairns flight tickets
Qatar Airways
11 Jan
LHR09:25London Heathrow
39h 40m
2 stops
CNS11:05Cairns
28 Jan
CNS15:45Cairns
32h 15m
2 stops
LHR14:00London Heathrow
£1,145
Qatar Airways
11 Jan
LHR09:25London Heathrow
39h 40m
2 stops
CNS11:05Cairns
27 Jan
CNS11:45Cairns
52h 40m
2 stops
LHR06:25London Heathrow
£1,145
Qatar Airways
11 Jan
LHR09:25London Heathrow
39h 40m
2 stops
CNS11:05Cairns
26 Jan
CNS19:50Cairns
52h 10m
2 stops
LHR14:00London Heathrow
£1,152

momondo Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to Cairns that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonCairns

LHR London Heathrow - CNS Cairns

LHRCNS

London Heathrow

Tue 23/2

12:30-17:15

2 stops42h 45m

Cairns

Tue 9/3

06:00-17:30

2 stops45h 30m

£801

LondonCairns

LHR London Heathrow - CNS Cairns

LHRCNS

London Heathrow

Tue 9/2

21:00-13:30

2 stops30h 30m

Cairns

Tue 2/3

12:05-17:30

2 stops63h 25m

£914

LondonCairns

LHR London Heathrow - CNS Cairns

LHRCNS

London Heathrow

Thu 26/11

21:00-17:15

2 stops34h 15m

Cairns

Wed 9/12

06:00-06:25

2 stops34h 25m

£925

LondonCairns

LHR London Heathrow - CNS Cairns

LHRCNS

London Heathrow

Tue 4/5

21:20-18:25

2 stops36h 05m

Cairns

Wed 9/6

06:00-18:40

2 stops45h 40m

£934

LondonCairns

LHR London Heathrow - CNS Cairns

LHRCNS

London Heathrow

Tue 27/4

22:05-17:05

1 stop34h 00m

Cairns

Mon 24/5

18:00-15:45

1 stop30h 45m

£1,060

LondonCairns

LHR London Heathrow - CNS Cairns

LHRCNS

London Heathrow

Tue 4/5

11:20-17:05

1 stop20h 45m

Cairns

Wed 9/6

18:00-19:30

1 stop34h 30m

£1,088
Fastest return journey

LondonCairns

LHR London Heathrow - CNS Cairns

LHRCNS

London Heathrow

Tue 2/2

09:10-17:15

1 stop22h 05m

Cairns

Sat 20/2

18:20-15:20

1 stop31h 00m

£1,136

LondonCairns

LHR London Heathrow - CNS Cairns

LHRCNS

London Heathrow

Tue 8/12

14:55-23:05

2 stops46h 10m

Cairns

Tue 15/12

19:50-08:00

2 stops46h 10m

£1,288

LondonCairns

LHR London Heathrow - CNS Cairns

LHRCNS

London Heathrow

Wed 9/12

08:05-23:05

2 stops29h 00m

Cairns

Tue 15/12

19:50-06:25

2 stops44h 35m

£1,446

LondonCairns

LHR London Heathrow - CNS Cairns

LHRCNS

London Heathrow

Wed 6/1

08:35-16:45

2 stops46h 10m

Cairns

Thu 28/1

15:45-19:50

2 stops38h 05m

£1,627

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Cairns from

How to get the cheapest flight ticket from London Heathrow Airport to Cairns

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London Heathrow Airport and Cairns?

Prices are currently low for flights on this route.

Typical prices usually range from £1,287 to £1,464.
The lowest price recently found on this route was £801.

What is the cheapest month to fly to Cairns?

If you’re not able to fly to Cairns in February, then May is your next best option. Flight prices from London Heathrow Airport to Cairns during May average around £1,189.

Can stopping save me money on London Heathrow Airport to Cairns flights?

You could potentially save up to 18% on your flight if you consider stops on a London Heathrow Airport to Cairns flight.

How have London Heathrow Airport to Cairns flight prices changed over time?

As of November 2026, prices for London Heathrow Airport to Cairns flights are approximately 20% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Cairns

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Cairns according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Cairns (LHR to CNS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Cairns

Best price found

£495

Fastest flight time

25h 50m

Direct flights

None
The best one-way flight to Cairns from London Heathrow Airport in the past 72 hours is £495. The best return flight deal from London Heathrow Airport to Cairns found on momondo in the last 72 hours is £801.
The fastest flight from London Heathrow Airport to Cairns takes 25h 50m
There are no direct flights from London Heathrow Airport to Cairns. There are no popular flight routes from London Heathrow Airport to Cairns.

Frequently asked questions about flying from London Heathrow Airport to Cairns

  • How far is London Heathrow to Cairns by plane?

    London Heathrow and Cairns are 9411.6 mi apart from one another. Flights usually cover this in 25h 50m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London Heathrow Airport to Cairns Airport?

    Prices for flights from London Heathrow Airport to Cairns Airport refresh daily.

  • How many operators does momondo search for flights from London Heathrow Airport to Cairns Airport?

  • How old do you have to be to fly from London Heathrow Airport to Cairns Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Cairns Airport.

  • What documentation or ID do you need to fly to Cairns Airport?

    The necessary travel and health documents for your Cairns Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from London Heathrow Airport to Cairns?

Best airlines flying from London Heathrow Airport to Cairns

Compare and see reviews for airlines that fly from London Heathrow Airport to Cairns with momondo
Airline
Rating
Free Cancellation
Price
Qatar AirwaysPriceFrom £1,077Free CancellationRating
7.4
3,700 reviews
Search Qatar Airways flights
Singapore AirlinesPriceFrom £1,115Free CancellationRating
8.2
1,635 reviews
Search Singapore Airlines flights

Travelling to a place near Cairns?

Book flights to Cairns if you plan to visit one of these locations
Port Douglas
Palm Cove

Why use momondo?

Why should I use momondo to find a flight deal from London to Cairns?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Cairns from London.

Can I find flights from London to Cairns with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Cairns from London with this policy.

How can momondo help me find flights from London to Cairns?

momondo provides multiple filters to help you find the best flight to Cairns from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Cairns right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Cairns flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Cairns trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 11/12
Fri 18/12

Find better results for your trip to Australia