Cheap flights from Cairns to London from £405

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cairns to London departing on 6/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Voted winner of Europe's Best Travel App 2023

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.

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 - 14:00
CNS
-
LGW
42h 00m2 stops
Multiple Airlines Logo
10:30 - 05:45
LGW
-
CNS
57h 15m2 stops
£796Multiple Airlines
Thu, 29 Jan - Thu, 5 Feb
Multiple Airlines Logo
12:05 - 14:00
CNS
-
LGW
35h 55m2 stops
Multiple Airlines Logo
10:30 - 08:30
LGW
-
CNS
60h 00m3 stops
£806Multiple Airlines
Sat, 31 Jan - Sat, 7 Feb
Singapore Airlines Logo
18:15 - 15:45
CNS
-
LHR
54h 30m1 stop
Singapore Airlines Logo
09:25 - 17:00
LHR
-
CNS
22h 35m1 stop
£831Singapore Airlines
Mon, 1 Jun - Sun, 21 Jun
Singapore Airlines Logo
18:35 - 15:20
CNS
-
LHR
30h 45m1 stop
Singapore Airlines Logo
09:10 - 17:20
LHR
-
CNS
46h 10m1 stop
£901Singapore Airlines
Fri, 30 Jan - Fri, 6 Feb
Cathay Pacific Logo
11:25 - 15:00
CNS
-
LHR
37h 35m1 stop
Cathay Pacific Logo
17:50 - 09:55
LHR
-
CNS
30h 05m1 stop
£932Cathay Pacific
Thu, 29 Jan - Thu, 5 Feb
Cathay Pacific Logo
11:25 - 20:10
CNS
-
LHR
42h 45m1 stop
Cathay Pacific Logo
07:10 - 09:55
LHR
-
CNS
40h 45m2 stops
£941Cathay Pacific
Thu, 29 Jan - Thu, 5 Feb
Emirates Logo
11:35 - 12:05
CNS
-
STN
34h 30m2 stops
Emirates Logo
20:15 - 10:45
STN
-
CNS
28h 30m2 stops
£1,077Emirates
Thu, 29 Jan - Thu, 5 Feb
Emirates Logo
09:20 - 12:05
CNS
-
STN
36h 45m2 stops
Emirates Logo
20:15 - 10:45
STN
-
CNS
28h 30m2 stops
£1,083Emirates
Thu, 5 Mar - Sun, 8 Mar
SWISS Logo
11:25 - 08:45
CNS
-
LCY
31h 20m2 stops
SWISS Logo
17:40 - 09:55
LCY
-
CNS
30h 15m2 stops
£1,264SWISS
Thu, 29 Jan - Thu, 5 Feb
SWISS Logo
18:15 - 12:35
CNS
-
LCY
27h 20m3 stops
SWISS Logo
19:15 - 17:00
LCY
-
CNS
60h 45m3 stops
£1,334SWISS
Mon, 1 Jun - Sun, 21 Jun

Singapore Airlines flights from Cairns to London

Our best Singapore Airlines deals on Cairns to London flight tickets
Singapore Airlines
1 Jun
CNS18:15Cairns
54h 30m
1 stop
LHR15:45London Heathrow
21 Jun
LHR09:25London Heathrow
22h 35m
1 stop
CNS17:00Cairns
Singapore Airlines
30 Jan
CNS18:35Cairns
30h 45m
1 stop
LHR15:20London Heathrow
6 Feb
LHR09:10London Heathrow
46h 10m
1 stop
CNS17:20Cairns
Singapore Airlines
1 Jun
CNS18:15Cairns
45h 10m
1 stop
LGW06:25London Gatwick
21 Jun
LGW10:15London Gatwick
21h 45m
1 stop
CNS17:00Cairns

KLM flights from Cairns to London

Our best KLM deals on Cairns to London flight tickets
KLM
14 Mar
CNS19:15Cairns
59h 35m
3 stops
LHR20:50London Heathrow
2 Apr
LHR06:30London Heathrow
38h 00m
3 stops
CNS05:30Cairns
KLM
30 Jan
CNS19:15Cairns
52h 00m
3 stops
LCY13:15London City
6 Feb
LCY09:20London City
34h 25m
3 stops
CNS05:45Cairns
KLM
19 Dec
CNS19:15Cairns
54h 50m
3 stops
LHR16:05London Heathrow
4 Jan
LHR14:05London Heathrow
29h 40m
3 stops
CNS05:45Cairns

momondo Fare Finder

 
Customise your flight search to find flights from Cairns to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 18 December 2025.
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

CairnsLondon

CNS - LGW

CNSLGW

Cairns

Thu 29/1

06:00-14:00

2 stops42h 00m

London Gatwick

Thu 5/2

10:30-05:45

2 stops57h 15m

£796

CairnsLondon

CNS - LGW

CNSLGW

Cairns

Sat 31/1

12:05-14:00

2 stops35h 55m

London Gatwick

Sat 7/2

10:30-08:30

3 stops60h 00m

£806

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Mon 1/6

18:15-15:45

1 stop54h 30m

London Heathrow

Sun 21/6

09:25-17:00

1 stop22h 35m

£831

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Fri 30/1

18:35-15:20

1 stop30h 45m

London Heathrow

Fri 6/2

09:10-17:20

1 stop46h 10m

£901

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 29/1

11:25-15:00

1 stop37h 35m

London Heathrow

Thu 5/2

17:50-09:55

1 stop30h 05m

£932

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 29/1

11:25-20:10

1 stop42h 45m

London Heathrow

Thu 5/2

07:10-09:55

2 stops40h 45m

£941

CairnsLondon

CNS - STN

CNSSTN

Cairns

Thu 29/1

11:35-12:05

2 stops34h 30m

London Stansted

Thu 5/2

20:15-10:45

2 stops28h 30m

£1,077

CairnsLondon

CNS - STN

CNSSTN

Cairns

Thu 5/3

09:20-12:05

2 stops36h 45m

London Stansted

Sun 8/3

20:15-10:45

2 stops28h 30m

£1,083

CairnsLondon

CNS - LCY

CNSLCY

Cairns

Thu 29/1

11:25-08:45

2 stops31h 20m

London City

Thu 5/2

17:40-09:55

2 stops30h 15m

£1,264

CairnsLondon

CNS - LCY

CNSLCY

Cairns

Mon 1/6

18:15-12:35

3 stops27h 20m

London City

Sun 21/6

19:15-17:00

3 stops60h 45m

£1,334

Flights are sorted by cheapest return flights first.

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

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 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 £810, 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 £882.

What is the cheapest day to depart on your flight to London?

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £553. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Cairns to London for around £894.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £805. Flights in the morning are often more expensive, with an average ticket price of £1,125.

Can stopping save me money on Cairns to London flights?

You could potentially save up to 28% 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 December 2025, prices for Cairns to London flights are approximately 3% 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

Fastest flight time

21h 50m

Direct flights

None
The fastest flight from Cairns to London takes 21h 50m
There are no direct flights from Cairns to London. There are no popular flight routes from Cairns to London.
  • How far is Cairns to London by plane?

    London is 9399.3 mi away from Cairns. Typically, this will take 21h 50m 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.

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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Hayes
Chelmsford
Dover
Worthing
Colchester
Bedford
Ramsgate
Hounslow
Stansted

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.

An easier way to manage your London 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
Sat 17/1
Sat 24/1

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London