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Cheap flights from Cairns to London from £398

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.
Multiple Airlines Logo
09:45 - 19:20CNS  Cairns-LHR London Heathrow
67h 35m3 stops Melbourne Denpasar Bali Ngurah Rai New Delhi Indira Gandhi Intl
Multiple Airlines Logo
09:45 - 05:35LHR  London Heathrow-CNS Cairns
34h 50m2 stops New Delhi Indira Gandhi Intl Denpasar Bali Ngurah Rai
£864Multiple Airlines
Sat, 6 Mar - Thu, 1 Apr
Multiple Airlines Logo
14:40 - 18:35CNS  Cairns-LHR London Heathrow
37h 55m2 stops Brisbane Guangzhou Baiyun
Multiple Airlines Logo
22:10 - 20:10LHR  London Heathrow-CNS Cairns
37h 00m2 stops Guangzhou Baiyun Brisbane
£901Multiple Airlines
Sat, 6 Mar - Thu, 1 Apr
Singapore Airlines Logo
18:20 - 06:25CNS  Cairns-LGW London Gatwick
22h 05m1 stop Singapore Changi
Singapore Airlines Logo
10:10 - 17:05LGW  London Gatwick-CNS Cairns
21h 55m1 stop Singapore Changi
£904Singapore Airlines
Tue, 23 Mar - Sun, 2 May
Multiple Airlines Logo
06:00 - 06:30CNS  Cairns-LGW London Gatwick
34h 30m2 stops Brisbane Shanghai Pu Dong
Multiple Airlines Logo
18:00 - 09:20LGW  London Gatwick-CNS Cairns
54h 20m2 stops Shanghai Pu Dong Sydney Kingsford Smith
£904Multiple Airlines
Tue, 16 Mar - Tue, 20 Apr
Multiple Airlines Logo
06:00 - 06:25CNS  Cairns-LHR London Heathrow
34h 25m2 stops Brisbane Shanghai Pu Dong
Multiple Airlines Logo
21:20 - 22:05LHR  London Heathrow-CNS Cairns
39h 45m2 stops Shanghai Pu Dong Melbourne
£904Multiple Airlines
Fri, 5 Mar - Thu, 1 Apr
Singapore Airlines Logo
18:20 - 06:25CNS  Cairns-LGW London Gatwick
22h 05m1 stop Singapore Changi
Singapore Airlines Logo
10:10 - 17:05LGW  London Gatwick-CNS Cairns
21h 55m1 stop Singapore Changi
£931Singapore Airlines
Mon, 15 Mar - Thu, 22 Apr
Multiple Airlines Logo
12:05 - 06:25CNS  Cairns-LHR London Heathrow
52h 20m2 stops Brisbane Shanghai Pu Dong
Multiple Airlines Logo
21:20 - 22:05LHR  London Heathrow-CNS Cairns
39h 45m2 stops Shanghai Pu Dong Melbourne
£933Multiple Airlines
Tue, 16 Mar - Tue, 20 Apr
Multiple Airlines Logo
14:40 - 06:30CNS  Cairns-LGW London Gatwick
49h 50m2 stops Melbourne Shanghai Pu Dong
Multiple Airlines Logo
17:00 - 17:15LGW  London Gatwick-CNS Cairns
38h 15m2 stops Shanghai Pu Dong Brisbane
£940Multiple Airlines
Mon, 16 Nov - Sun, 29 Nov
Multiple Airlines Logo
14:40 - 18:35CNS  Cairns-LHR London Heathrow
37h 55m2 stops Brisbane Guangzhou Baiyun
Multiple Airlines Logo
22:10 - 16:10LHR  London Heathrow-CNS Cairns
33h 00m2 stops Guangzhou Baiyun Brisbane
£941Multiple Airlines
Sat, 6 Mar - Thu, 1 Apr
Singapore Airlines Logo
18:20 - 19:10CNS  Cairns-LHR London Heathrow
34h 50m1 stop Singapore Changi
Singapore Airlines Logo
11:20 - 17:05LHR  London Heathrow-CNS Cairns
20h 45m1 stop Singapore Changi
£943Singapore Airlines
Mon, 15 Mar - Thu, 22 Apr

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Virgin Australia flights from Cairns to London

Our best Virgin Australia deals on Cairns to London flight tickets
Virgin Australia
10 Feb
CNS06:00Cairns
33h 55m
2 stops
LGW05:55London Gatwick
24 Feb
LGW08:40London Gatwick
28h 25m
2 stops
CNS23:05Cairns
£975
Virgin Australia
26 Feb
CNS06:00Cairns
33h 55m
2 stops
LGW05:55London Gatwick
28 Feb
LGW08:40London Gatwick
28h 25m
2 stops
CNS23:05Cairns
£1,002
Virgin Australia
26 Feb
CNS06:00Cairns
35h 20m
2 stops
LHR07:20London Heathrow
28 Feb
LHR08:05London Heathrow
29h 00m
2 stops
CNS23:05Cairns
£1,034

Singapore Airlines flights from Cairns to London

Our best Singapore Airlines deals on Cairns to London flight tickets
Singapore Airlines
15 Mar
CNS18:20Cairns
22h 05m
1 stop
LGW06:25London Gatwick
22 Apr
LGW10:10London Gatwick
21h 55m
1 stop
CNS17:05Cairns
£931
Singapore Airlines
15 Mar
CNS18:20Cairns
34h 50m
1 stop
LHR19:10London Heathrow
22 Apr
LHR11:20London Heathrow
20h 45m
1 stop
CNS17:05Cairns
£943
Singapore Airlines
16 Mar
CNS18:20Cairns
46h 05m
1 stop
LGW06:25London Gatwick
20 Apr
LGW10:10London Gatwick
21h 55m
1 stop
CNS17:05Cairns
£944

momondo Fare Finder

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

Fly from

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Route

Depart

Return

Price

Cheapest return flight

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Sat 6/3

09:45-19:20

3 stops67h 35m

London Heathrow

Thu 1/4

09:45-05:35

2 stops34h 50m

£864

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Sat 6/3

14:40-18:35

2 stops37h 55m

London Heathrow

Thu 1/4

22:10-20:10

2 stops37h 00m

£901
Fastest return journey

CairnsLondon

CNS Cairns - LGW London Gatwick

CNSLGW

Cairns

Tue 23/3

18:20-06:25

1 stop22h 05m

London Gatwick

Sun 2/5

10:10-17:05

1 stop21h 55m

£904

CairnsLondon

CNS Cairns - LGW London Gatwick

CNSLGW

Cairns

Tue 16/3

06:00-06:30

2 stops34h 30m

London Gatwick

Tue 20/4

18:00-09:20

2 stops54h 20m

£904

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Fri 5/3

06:00-06:25

2 stops34h 25m

London Heathrow

Thu 1/4

21:20-22:05

2 stops39h 45m

£904

CairnsLondon

CNS Cairns - LGW London Gatwick

CNSLGW

Cairns

Mon 15/3

18:20-06:25

1 stop22h 05m

London Gatwick

Thu 22/4

10:10-17:05

1 stop21h 55m

£931

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Tue 16/3

12:05-06:25

2 stops52h 20m

London Heathrow

Tue 20/4

21:20-22:05

2 stops39h 45m

£933

CairnsLondon

CNS Cairns - LGW London Gatwick

CNSLGW

Cairns

Mon 16/11

14:40-06:30

2 stops49h 50m

London Gatwick

Sun 29/11

17:00-17:15

2 stops38h 15m

£940

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Sat 6/3

14:40-18:35

2 stops37h 55m

London Heathrow

Thu 1/4

22:10-16:10

2 stops33h 00m

£941

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Mon 15/3

18:20-19:10

1 stop34h 50m

London Heathrow

Thu 22/4

11:20-17:05

1 stop20h 45m

£943

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 typical for flights on this route.

Typical prices usually range from £875 to £1,060.
The lowest price recently found on this route was £904.

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 £772, are often lower during this time because this is during the off-season. The month of May is another great option to travel to London, with average flight prices from Cairns averaging around £912.

Can stopping save me money on Cairns to London flights?

You could potentially save up to 14% 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 November 2026, prices for Cairns to London flights are approximately 24% 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

£398

Fastest flight time

30h 25m

Direct flights

None
The best one-way flight to London from Cairns in the past 72 hours is £398. The best return flight deal from Cairns to London found on momondo in the last 72 hours is £864.
The fastest flight from Cairns to London takes 30h 25m
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 30h 25m 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
Ipswich
Slough
Maidstone
Folkestone
Hastings
Ilford
Canterbury
Colchester
Chichester
Hayes
Bedford
Guildford
Winchester
Worthing

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