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Cheap flights from Cairns to London from £350

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
06:00 - 17:30CNS  Cairns-LHR London Heathrow
45h 30m2 stops Brisbane Shanghai Pu Dong
Multiple Airlines Logo
21:20 - 22:05LHR  London Heathrow-CNS Cairns
39h 45m2 stops Shanghai Pu Dong Melbourne
£894Multiple Airlines
Sat, 6 Mar - Thu, 1 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
£899Multiple Airlines
Fri, 5 Mar - Thu, 1 Apr
Multiple Airlines Logo
12:05 - 14:00CNS  Cairns-LGW London Gatwick
35h 55m2 stops Brisbane Shanghai Pu Dong
Multiple Airlines Logo
10:30 - 17:15LGW  London Gatwick-CNS Cairns
44h 45m2 stops Shanghai Pu Dong Brisbane
£932Multiple Airlines
Fri, 29 Jan - Fri, 26 Feb
Multiple Airlines Logo
09:45 - 17:30CNS  Cairns-LHR London Heathrow
41h 45m2 stops Melbourne Shanghai Pu Dong
Multiple Airlines Logo
21:20 - 22:05LHR  London Heathrow-CNS Cairns
39h 45m2 stops Shanghai Pu Dong Melbourne
£955Multiple Airlines
Sat, 6 Mar - Thu, 1 Apr
Multiple Airlines Logo
09:45 - 17:30CNS  Cairns-LHR London Heathrow
41h 45m2 stops Melbourne Shanghai Pu Dong
Multiple Airlines Logo
21:20 - 22:05LHR  London Heathrow-CNS Cairns
39h 45m2 stops Shanghai Pu Dong Melbourne
£961Multiple Airlines
Sat, 6 Mar - Thu, 1 Apr
Multiple Airlines Logo
14:40 - 17:30CNS  Cairns-LHR London Heathrow
36h 50m2 stops Melbourne Shanghai Pu Dong
Multiple Airlines Logo
21:20 - 14:45LHR  London Heathrow-CNS Cairns
32h 25m2 stops Shanghai Pu Dong Melbourne
£985Multiple Airlines
Mon, 22 Mar - Thu, 15 Apr
Singapore Airlines Logo
18:20 - 06:25CNS  Cairns-LGW London Gatwick
22h 05m1 stop Singapore Changi
Singapore Airlines Logo
09:20 - 17:15LGW  London Gatwick-CNS Cairns
21h 55m1 stop Singapore Changi
£1,011Singapore Airlines
Fri, 29 Jan - Fri, 26 Feb
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
£1,028Multiple Airlines
Sat, 6 Mar - Thu, 1 Apr
Multiple Airlines Logo
06:00 - 18:35CNS  Cairns-LHR London Heathrow
46h 35m2 stops Brisbane Guangzhou Baiyun
Multiple Airlines Logo
22:10 - 20:20LHR  London Heathrow-CNS Cairns
37h 10m2 stops Guangzhou Baiyun Brisbane
£1,037Multiple Airlines
Sat, 6 Mar - Thu, 1 Apr
Multiple Airlines Logo
06:00 - 18:35CNS  Cairns-LHR London Heathrow
46h 35m2 stops Brisbane Guangzhou Baiyun
Multiple Airlines Logo
22:10 - 20:20LHR  London Heathrow-CNS Cairns
37h 10m2 stops Guangzhou Baiyun Brisbane
£1,038Multiple Airlines
Sat, 6 Mar - Thu, 1 Apr

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Qantas Airways flights from Cairns to London

Our best Qantas Airways deals on Cairns to London flight tickets
Qantas Airways
2 Mar
CNS17:40Cairns
46h 35m
2 stops
LHR06:15London Heathrow
5 Mar
LHR11:30London Heathrow
37h 25m
2 stops
CNS10:55Cairns
£1,178
Qantas Airways
2 Mar
CNS17:40Cairns
46h 35m
2 stops
LHR06:15London Heathrow
5 Mar
LHR11:30London Heathrow
37h 25m
2 stops
CNS10:55Cairns
£1,181
Qantas Airways
9 Nov
CNS06:50Cairns
33h 25m
2 stops
LHR06:15London Heathrow
22 Nov
LHR20:10London Heathrow
32h 45m
3 stops
CNS14:55Cairns
£1,190

Singapore Airlines flights from Cairns to London

Our best Singapore Airlines deals on Cairns to London flight tickets
Singapore Airlines
29 Jan
CNS18:20Cairns
22h 05m
1 stop
LGW06:25London Gatwick
26 Feb
LGW09:20London Gatwick
21h 55m
1 stop
CNS17:15Cairns
£1,011
Singapore Airlines
6 Mar
CNS18:20Cairns
31h 00m
1 stop
LHR15:20London Heathrow
1 Apr
LHR11:20London Heathrow
20h 45m
1 stop
CNS17:05Cairns
£1,185
Singapore Airlines
22 Mar
CNS18:20Cairns
31h 00m
1 stop
LHR15:20London Heathrow
15 Apr
LHR09:25London Heathrow
22h 40m
1 stop
CNS17:05Cairns
£1,187

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

Sat 6/3

06:00-17:30

2 stops45h 30m

London Heathrow

Thu 1/4

21:20-22:05

2 stops39h 45m

£894

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

£899

CairnsLondon

CNS Cairns - LGW London Gatwick

CNSLGW

Cairns

Fri 29/1

12:05-14:00

2 stops35h 55m

London Gatwick

Fri 26/2

10:30-17:15

2 stops44h 45m

£932

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Sat 6/3

09:45-17:30

2 stops41h 45m

London Heathrow

Thu 1/4

21:20-22:05

2 stops39h 45m

£955

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Sat 6/3

09:45-17:30

2 stops41h 45m

London Heathrow

Thu 1/4

21:20-22:05

2 stops39h 45m

£961

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Mon 22/3

14:40-17:30

2 stops36h 50m

London Heathrow

Thu 15/4

21:20-14:45

2 stops32h 25m

£985
Fastest return journey

CairnsLondon

CNS Cairns - LGW London Gatwick

CNSLGW

Cairns

Fri 29/1

18:20-06:25

1 stop22h 05m

London Gatwick

Fri 26/2

09:20-17:15

1 stop21h 55m

£1,011

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

£1,028

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Sat 6/3

06:00-18:35

2 stops46h 35m

London Heathrow

Thu 1/4

22:10-20:20

2 stops37h 10m

£1,037

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Sat 6/3

06:00-18:35

2 stops46h 35m

London Heathrow

Thu 1/4

22:10-20:20

2 stops37h 10m

£1,038

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 £878 to £1,007.
The lowest price recently found on this route was £894.

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 £775, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from Cairns averaging around £838.

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

£350

Fastest flight time

24h 25m

Direct flights

None
The best one-way flight to London from Cairns in the past 72 hours is £350. The best return flight deal from Cairns to London found on momondo in the last 72 hours is £894.
The fastest flight from Cairns to London takes 24h 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 24h 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
Harlow
Winchester

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