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Cheap flights from Cairns to London from £452

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Cairns to London

Cheap return flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
18:20 - 19:10CNS  Cairns-LHR London Heathrow
34h 50m1 stop Singapore Changi
Singapore Airlines Logo
20:35 - 17:15LHR  London Heathrow-CNS Cairns
34h 40m1 stop Singapore Changi
£862Singapore Airlines
Sun, 31 Jan - Sun, 21 Feb
Singapore Airlines Logo
18:20 - 19:10CNS  Cairns-LHR London Heathrow
34h 50m1 stop Singapore Changi
Singapore Airlines Logo
20:35 - 17:15LHR  London Heathrow-CNS Cairns
34h 40m1 stop Singapore Changi
£868Singapore Airlines
Mon, 1 Feb - Mon, 15 Feb
Multiple Airlines Logo
06:00 - 06:40CNS  Cairns-LGW London Gatwick
33h 40m2 stops Brisbane Shanghai Pu Dong
Multiple Airlines Logo
10:30 - 17:15LGW  London Gatwick-CNS Cairns
44h 45m2 stops Shanghai Pu Dong Brisbane
£909Multiple Airlines
Wed, 7 Oct - Sat, 31 Oct
Multiple Airlines Logo
06:00 - 06:40CNS  Cairns-LGW London Gatwick
33h 40m2 stops Brisbane Shanghai Pu Dong
Multiple Airlines Logo
17:00 - 17:15LGW  London Gatwick-CNS Cairns
38h 15m2 stops Shanghai Pu Dong Brisbane
£911Multiple Airlines
Wed, 7 Oct - Sat, 31 Oct
Multiple Airlines Logo
09:45 - 17:30CNS  Cairns-LHR London Heathrow
41h 45m2 stops Melbourne Shanghai Pu Dong
Multiple Airlines Logo
21:00 - 09:00LHR  London Heathrow-CNS Cairns
50h 00m2 stops Shanghai Pu Dong Brisbane
£921Multiple Airlines
Wed, 28 Oct - Wed, 4 Nov
Multiple Airlines Logo
06:40 - 14:00CNS  Cairns-LGW London Gatwick
41h 20m2 stops Sydney Kingsford Smith Shanghai Pu Dong
Multiple Airlines Logo
17:00 - 08:20LGW  London Gatwick-CNS Cairns
53h 20m2 stops Shanghai Pu Dong Sydney Kingsford Smith
£934Multiple Airlines
Thu, 5 Nov - Wed, 18 Nov
Multiple Airlines Logo
18:40 - 15:20CNS  Cairns-LHR London Heathrow
30h 40m1 stop Singapore Changi
Multiple Airlines Logo
21:00 - 09:00LHR  London Heathrow-CNS Cairns
50h 00m2 stops Shanghai Pu Dong Brisbane
£950Multiple Airlines
Wed, 28 Oct - Wed, 4 Nov
Multiple Airlines Logo
06:00 - 17:30CNS  Cairns-LHR London Heathrow
45h 30m2 stops Brisbane Shanghai Pu Dong
Multiple Airlines Logo
21:00 - 17:15LHR  London Heathrow-CNS Cairns
34h 15m2 stops Shanghai Pu Dong Brisbane
£956Multiple Airlines
Thu, 5 Nov - Thu, 12 Nov
Multiple Airlines Logo
12:05 - 17:30CNS  Cairns-LHR London Heathrow
39h 25m2 stops Brisbane Shanghai Pu Dong
Multiple Airlines Logo
21:00 - 11:20LHR  London Heathrow-CNS Cairns
52h 20m2 stops Shanghai Pu Dong Brisbane
£966Multiple Airlines
Sun, 31 Jan - Sun, 21 Feb
Emirates Logo
15:40 - 12:05CNS  Cairns-STN London Stansted
30h 25m2 stops Brisbane Dubai Intl
Emirates Logo
20:15 - 19:15STN  London Stansted-CNS Cairns
37h 00m2 stops Dubai Intl Brisbane
£984Emirates
Wed, 28 Oct - Wed, 4 Nov

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Qantas Airways flights from Cairns to London

Our best Qantas Airways deals on Cairns to London flight tickets
Qantas Airways
5 Nov
CNS06:00Cairns
34h 15m
3 stops
LHR06:15London Heathrow
18 Nov
LHR20:10London Heathrow
31h 25m
2 stops
CNS13:35Cairns
£1,101
Qantas Airways
25 Sept
CNS14:40Cairns
71h 25m
3 stops
LHR05:05London Heathrow
14 Oct
LHR20:50London Heathrow
29h 00m
2 stops
CNS10:50Cairns
£1,776
Qantas Airways
30 Sept
CNS06:00Cairns
33h 35m
3 stops
LHR06:35London Heathrow
13 Oct
LHR20:50London Heathrow
33h 10m
3 stops
CNS15:00Cairns
£1,933

KLM flights from Cairns to London

Our best KLM deals on Cairns to London flight tickets
KLM
23 Sept
CNS19:00Cairns
69h 40m
3 stops
LHR07:40London Heathrow
11 Oct
LHR08:40London Heathrow
35h 50m
3 stops
CNS05:30Cairns
£2,885
KLM
28 Sept
CNS19:00Cairns
47h 30m
3 stops
LCY09:30London City
13 Oct
LCY17:10London City
27h 20m
3 stops
CNS05:30Cairns
£2,916

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Sun 31/1

18:20-19:10

1 stop34h 50m

London Heathrow

Sun 21/2

20:35-17:15

1 stop34h 40m

£862

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Mon 1/2

18:20-19:10

1 stop34h 50m

London Heathrow

Mon 15/2

20:35-17:15

1 stop34h 40m

£868

CairnsLondon

CNS Cairns - LGW London Gatwick

CNSLGW

Cairns

Wed 7/10

06:00-06:40

2 stops33h 40m

London Gatwick

Sat 31/10

10:30-17:15

2 stops44h 45m

£909

CairnsLondon

CNS Cairns - LGW London Gatwick

CNSLGW

Cairns

Wed 7/10

06:00-06:40

2 stops33h 40m

London Gatwick

Sat 31/10

17:00-17:15

2 stops38h 15m

£911

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Wed 28/10

09:45-17:30

2 stops41h 45m

London Heathrow

Wed 4/11

21:00-09:00

2 stops50h 00m

£921

CairnsLondon

CNS Cairns - LGW London Gatwick

CNSLGW

Cairns

Thu 5/11

06:40-14:00

2 stops41h 20m

London Gatwick

Wed 18/11

17:00-08:20

2 stops53h 20m

£934

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Wed 28/10

18:40-15:20

1 stop30h 40m

London Heathrow

Wed 4/11

21:00-09:00

2 stops50h 00m

£950

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Thu 5/11

06:00-17:30

2 stops45h 30m

London Heathrow

Thu 12/11

21:00-17:15

2 stops34h 15m

£956

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Sun 31/1

12:05-17:30

2 stops39h 25m

London Heathrow

Sun 21/2

21:00-11:20

2 stops52h 20m

£966
Fastest return journey

CairnsLondon

CNS Cairns - STN London Stansted

CNSSTN

Cairns

Wed 28/10

15:40-12:05

2 stops30h 25m

London Stansted

Wed 4/11

20:15-19:15

2 stops37h 00m

£984

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Cairns to London

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 Cairns and London?

Prices are currently low for flights on this route.

Typical prices usually range from £1,240 to £2,011.
The lowest price recently found on this route was £862.

What is the cheapest month to fly to London?

The cheapest month to fly to London from Cairns is in February. Flight prices, which tend to average around £786, are often lower during this time because this is during the off-season. The month of March is another great option to travel to London, with average flight prices from Cairns averaging around £902.

Can stopping save me money on Cairns to London flights?

You could potentially save up to 12% on your flight if you consider stops on a Cairns to London flight.

How have Cairns to London flight prices changed over time?

As of September 2026, prices for Cairns to London flights are approximately 10% more expensive when compared to flights at the same time last year.

When to book flights from Cairns to London

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

Cheap Cairns to London (CNS to LON) flight deals and tips

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

Best price found

£452

Fastest flight time

22h 05m

Direct flights

None
The best one-way flight to London from Cairns in the past 72 hours is £452. The best return flight deal from Cairns to London found on momondo in the last 72 hours is £862.
The fastest flight from Cairns to London takes 22h 05m
There are no direct flights from Cairns to London. There are no popular flight routes from Cairns to London.
Search flight deals

Frequently asked questions about flying from Cairns to London

  • How far is Cairns to London by plane?

    London is 9399.3 mi away from Cairns. Typically, this will take 22h 05m by plane in normal conditions.

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

    Prices for flights from Cairns Airport to London refresh daily.

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

    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 Cairns Airport to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Wembley
Gatwick
Milton Keynes
Southend-on-Sea
Luton
Slough
Ipswich
Maidstone
Folkestone
Hastings
Ilford
Canterbury
Chichester
Hayes
Bedford
Guildford
Colchester
Harlow
Chelmsford

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Cairns to London. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Cairns to London flights to just show those with flexible booking policies.

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

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

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

Price alerts on flights to London from Cairns are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport