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Cheap flights from Cairns to London from £397

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 - 15:20CNS  Cairns-LHR London Heathrow
31h 00m1 stop Singapore Changi
Singapore Airlines Logo
20:35 - 17:15LHR  London Heathrow-CNS Cairns
34h 40m1 stop Singapore Changi
£883Singapore Airlines
Wed, 17 Feb - Tue, 9 Mar
Multiple Airlines Logo
06:00 - 15:00CNS  Cairns-LGW London Gatwick
42h 00m2 stops Brisbane Shanghai Pu Dong
Multiple Airlines Logo
11:35 - 17:25LGW  London Gatwick-CNS Cairns
44h 50m2 stops Shanghai Pu Dong Sydney Kingsford Smith
£923Multiple Airlines
Tue, 13 Oct - Tue, 20 Oct
Singapore Airlines Logo
18:20 - 09:05CNS  Cairns-LGW London Gatwick
24h 45m1 stop Singapore Changi
Singapore Airlines Logo
09:20 - 17:15LGW  London Gatwick-CNS Cairns
21h 55m1 stop Singapore Changi
£943Singapore Airlines
Wed, 17 Feb - Tue, 9 Mar
Multiple Airlines Logo
12:00 - 18:40CNS  Cairns-LHR London Heathrow
63h 40m2 stops Brisbane Shanghai Pu Dong
Multiple Airlines Logo
21:00 - 18:35LHR  London Heathrow-CNS Cairns
35h 35m2 stops Shanghai Pu Dong Melbourne
£954Multiple Airlines
Mon, 19 Oct - Tue, 27 Oct
Multiple Airlines Logo
20:35 - 18:40CNS  Cairns-LHR London Heathrow
55h 05m2 stops Melbourne Shanghai Pu Dong
Multiple Airlines Logo
21:00 - 17:15LHR  London Heathrow-CNS Cairns
34h 15m2 stops Shanghai Pu Dong Brisbane
£954Multiple Airlines
Mon, 19 Oct - Tue, 27 Oct
Multiple Airlines Logo
13:30 - 15:00CNS  Cairns-LGW London Gatwick
34h 30m2 stops Sydney Kingsford Smith Shanghai Pu Dong
Multiple Airlines Logo
10:30 - 17:15LGW  London Gatwick-CNS Cairns
44h 45m2 stops Shanghai Pu Dong Brisbane
£962Multiple Airlines
Mon, 19 Oct - Tue, 27 Oct
Multiple Airlines Logo
06:00 - 06:40CNS  Cairns-LGW London Gatwick
33h 40m2 stops Brisbane Shanghai Pu Dong
Multiple Airlines Logo
11:35 - 17:10LGW  London Gatwick-CNS Cairns
44h 35m2 stops Shanghai Pu Dong Brisbane
£963Multiple Airlines
Wed, 14 Oct - Wed, 21 Oct
Multiple Airlines Logo
18:15 - 19:30CNS  Cairns-LHR London Heathrow
34h 15m1 stop Singapore Changi
Multiple Airlines Logo
19:20 - 22:10LHR  London Heathrow-CNS Cairns
40h 50m2 stops Abu Dhabi Zayed Intl Melbourne
£966Multiple Airlines
Mon, 12 Oct - Fri, 30 Oct
Multiple Airlines Logo
20:35 - 18:40CNS  Cairns-LHR London Heathrow
55h 05m2 stops Melbourne Shanghai Pu Dong
Multiple Airlines Logo
21:20 - 20:15LHR  London Heathrow-CNS Cairns
37h 55m2 stops Shanghai Pu Dong Sydney Kingsford Smith
£969Multiple Airlines
Wed, 14 Oct - Wed, 21 Oct
Multiple Airlines Logo
06:00 - 05:35CNS  Cairns-LHR London Heathrow
33h 35m2 stops Brisbane Hong Kong Intl
Multiple Airlines Logo
21:10 - 22:10LHR  London Heathrow-CNS Cairns
39h 00m2 stops Kuala Lumpur Intl Melbourne
£971Multiple Airlines
Wed, 17 Feb - Tue, 9 Mar

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Qantas Airways flights from Cairns to London

Our best Qantas Airways deals on Cairns to London flight tickets
Qantas Airways
18 Oct
CNS06:00Cairns
33h 35m
3 stops
LHR06:35London Heathrow
11 Nov
LHR20:10London Heathrow
28h 45m
2 stops
CNS10:55Cairns
£1,204
Qantas Airways
18 Oct
CNS06:00Cairns
33h 35m
3 stops
LHR06:35London Heathrow
11 Nov
LHR20:10London Heathrow
28h 45m
2 stops
CNS10:55Cairns
£1,206
Qantas Airways
18 Oct
CNS06:00Cairns
33h 35m
3 stops
LHR06:35London Heathrow
11 Nov
LHR20:10London Heathrow
28h 45m
2 stops
CNS10:55Cairns
£1,207

Virgin Australia flights from Cairns to London

Our best Virgin Australia deals on Cairns to London flight tickets
Virgin Australia
26 Feb
CNS09:15Cairns
30h 40m
2 stops
LGW05:55London Gatwick
28 Feb
LGW08:40London Gatwick
28h 25m
2 stops
CNS23:05Cairns
£1,026
Virgin Australia
26 Feb
CNS09:15Cairns
38h 10m
2 stops
LHR13:25London Heathrow
28 Feb
LHR08:35London Heathrow
28h 30m
2 stops
CNS23:05Cairns
£1,055
Virgin Australia
17 Feb
CNS06:00Cairns
33h 55m
2 stops
LGW05:55London Gatwick
9 Mar
LGW08:40London Gatwick
37h 55m
2 stops
CNS08:35Cairns
£1,094

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

Wed 17/2

18:20-15:20

1 stop31h 00m

London Heathrow

Tue 9/3

20:35-17:15

1 stop34h 40m

£883

CairnsLondon

CNS Cairns - LGW London Gatwick

CNSLGW

Cairns

Tue 13/10

06:00-15:00

2 stops42h 00m

London Gatwick

Tue 20/10

11:35-17:25

2 stops44h 50m

£923
Fastest return journey

CairnsLondon

CNS Cairns - LGW London Gatwick

CNSLGW

Cairns

Wed 17/2

18:20-09:05

1 stop24h 45m

London Gatwick

Tue 9/3

09:20-17:15

1 stop21h 55m

£943

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Mon 19/10

12:00-18:40

2 stops63h 40m

London Heathrow

Tue 27/10

21:00-18:35

2 stops35h 35m

£954

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Mon 19/10

20:35-18:40

2 stops55h 05m

London Heathrow

Tue 27/10

21:00-17:15

2 stops34h 15m

£954

CairnsLondon

CNS Cairns - LGW London Gatwick

CNSLGW

Cairns

Mon 19/10

13:30-15:00

2 stops34h 30m

London Gatwick

Tue 27/10

10:30-17:15

2 stops44h 45m

£962

CairnsLondon

CNS Cairns - LGW London Gatwick

CNSLGW

Cairns

Wed 14/10

06:00-06:40

2 stops33h 40m

London Gatwick

Wed 21/10

11:35-17:10

2 stops44h 35m

£963

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Mon 12/10

18:15-19:30

1 stop34h 15m

London Heathrow

Fri 30/10

19:20-22:10

2 stops40h 50m

£966

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Wed 14/10

20:35-18:40

2 stops55h 05m

London Heathrow

Wed 21/10

21:20-20:15

2 stops37h 55m

£969

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Wed 17/2

06:00-05:35

2 stops33h 35m

London Heathrow

Tue 9/3

21:10-22:10

2 stops39h 00m

£971

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 £1,260 to £1,994.
The lowest price recently found on this route was £883.

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 £781, 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 £900.

Can stopping save me money on Cairns to London flights?

You could potentially save up to 5% 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 August 2026, prices for Cairns to London flights are approximately 5% cheaper 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

£397

Fastest flight time

22h 05m

Direct flights

None
The best one-way flight to London from Cairns in the past 72 hours is £397. The best return flight deal from Cairns to London found on momondo in the last 72 hours is £883.
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