Cheap flights from Cairns to London from £345

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 30/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Cairns to London (CNS-LON)

Cheap return flights

 Logo
21:30 - 15:10CNS-LGW
50h 40m2 stops
 Logo
18:05 - 19:00LGW-CNS
39h 55m2 stops
Wed, 10 Sep - Mon, 15 Sep
 Logo
21:30 - 15:00CNS-LGW
50h 30m2 stops
 Logo
18:05 - 19:00LGW-CNS
39h 55m2 stops
Mon, 8 Sep - Mon, 15 Sep
Singapore Airlines Logo
18:35 - 06:25CNS-LGW
21h 50m1 stop
Singapore Airlines Logo
09:20 - 17:20LGW-CNS
46h 00m1 stop
£837Singapore Airlines
Find Deal
Wed, 14 Jan - Sat, 28 Feb
Singapore Airlines Logo
18:35 - 19:10CNS-LHR
34h 35m1 stop
Singapore Airlines Logo
21:45 - 17:20LHR-CNS
33h 35m1 stop
£838Singapore Airlines
Find Deal
Wed, 14 Jan - Sat, 28 Feb
Qatar Airways Logo
17:20 - 12:10CNS-LHR
28h 50m2 stops
Qatar Airways Logo
08:35 - 23:05LHR-CNS
28h 30m2 stops
£997Qatar Airways
Find Deal
Wed, 14 Jan - Sat, 28 Feb
Qatar Airways Logo
17:20 - 12:10CNS-LHR
28h 50m2 stops
Qatar Airways Logo
08:35 - 23:05LHR-CNS
28h 30m2 stops
£998Qatar Airways
Find Deal
Wed, 14 Jan - Sat, 28 Feb
Qantas Airways Logo
18:35 - 06:35CNS-LHR
45h 00m1 stop
Qantas Airways Logo
20:10 - 11:50LHR-CNS
29h 40m2 stops
£1,091Qantas Airways
Find Deal
Tue, 30 Sep - Fri, 7 Nov
Emirates Logo
11:35 - 12:05CNS-STN
34h 30m2 stops
Emirates Logo
20:15 - 11:00STN-CNS
28h 45m2 stops
£1,120Emirates
Find Deal
Wed, 14 Jan - Sat, 28 Feb
Emirates Logo
11:35 - 11:40CNS-LGW
34h 05m2 stops
Emirates Logo
20:25 - 11:00LGW-CNS
28h 35m2 stops
£1,125Emirates
Find Deal
Wed, 14 Jan - Sat, 28 Feb
Qantas Airways Logo
06:00 - 06:15CNS-LHR
34h 15m3 stops
Qantas Airways Logo
20:10 - 10:45LHR-CNS
28h 35m2 stops
£1,136Qantas Airways
Find Deal
Wed, 14 Jan - Sat, 28 Feb

Qantas Airways flights from Cairns to London

Our best Qantas Airways deals on Cairns to London flight tickets
Qantas Airways
30 Sept
CNS18:35Cairns
45h 00m
1 stop
LHR06:35London Heathrow
7 Nov
LHR20:10London Heathrow
29h 40m
2 stops
CNS11:50Cairns
Qantas Airways
14 Jan
CNS06:00Cairns
34h 15m
3 stops
LHR06:15London Heathrow
28 Feb
LHR20:10London Heathrow
28h 35m
2 stops
CNS10:45Cairns
Qantas Airways
14 Jan
CNS06:00Cairns
34h 15m
3 stops
LHR06:15London Heathrow
28 Feb
LHR20:10London Heathrow
28h 35m
2 stops
CNS10:45Cairns

China Southern flights from Cairns to London

Our best China Southern deals on Cairns to London flight tickets
China Southern
22 Sept
CNS15:35Cairns
60h 25m
2 stops
LHR19:00London Heathrow
4 Oct
LHR22:10London Heathrow
52h 45m
2 stops
CNS11:55Cairns
China Southern
20 Sept
CNS17:35Cairns
46h 15m
2 stops
LGW06:50London Gatwick
2 Oct
LGW12:00London Gatwick
38h 35m
2 stops
CNS11:35Cairns

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 August 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

Wed 10/9

21:30-15:10

2 stops50h 40m

London Gatwick

Mon 15/9

18:05-19:00

2 stops39h 55m

£790

CairnsLondon

CNS - LGW

CNSLGW

Cairns

Mon 8/9

21:30-15:00

2 stops50h 30m

London Gatwick

Mon 15/9

18:05-19:00

2 stops39h 55m

£791

CairnsLondon

CNS - LGW

CNSLGW

Cairns

Wed 14/1

18:35-06:25

1 stop21h 50m

London Gatwick

Sat 28/2

09:20-17:20

1 stop46h 00m

£837

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 14/1

18:35-19:10

1 stop34h 35m

London Heathrow

Sat 28/2

21:45-17:20

1 stop33h 35m

£838

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 14/1

17:20-12:10

2 stops28h 50m

London Heathrow

Sat 28/2

08:35-23:05

2 stops28h 30m

£997

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 14/1

17:20-12:10

2 stops28h 50m

London Heathrow

Sat 28/2

08:35-23:05

2 stops28h 30m

£998

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Tue 30/9

18:35-06:35

1 stop45h 00m

London Heathrow

Fri 7/11

20:10-11:50

2 stops29h 40m

£1,091

CairnsLondon

CNS - STN

CNSSTN

Cairns

Wed 14/1

11:35-12:05

2 stops34h 30m

London Stansted

Sat 28/2

20:15-11:00

2 stops28h 45m

£1,120

CairnsLondon

CNS - LGW

CNSLGW

Cairns

Wed 14/1

11:35-11:40

2 stops34h 05m

London Gatwick

Sat 28/2

20:25-11:00

2 stops28h 35m

£1,125

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 14/1

06:00-06:15

3 stops34h 15m

London Heathrow

Sat 28/2

20:10-10:45

2 stops28h 35m

£1,136

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 cheapest month to fly to London?

The cheapest month to fly to London from Cairns is in October. Flight prices, which tend to average around £756, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from Cairns averaging around £771.

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 £545. 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 £882.

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 £794. Flights in the morning are often more expensive, with an average ticket price of £1,110.

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Cairns when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £1,057 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Cairns for as low as £859 on momondo.

Can stopping save me money on Cairns to London flights?

You could potentially save up to 45% 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 2025, prices for Cairns to London flights are approximately 16% 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

£345

Fastest flight time

21h 25m

Direct flights

None

Airports in London

4 airports
The best one-way flight to London from Cairns in the past 72 hours is £345. The best return flight deal from Cairns to London found on momondo in the last 72 hours is £790.
The fastest flight from Cairns to London takes 21h 25m
There are no direct flights from Cairns to London. Popular non-direct routes for this connection are Cairns Airport - London Gatwick Airport, Cairns Airport - London Stansted Airport and Cairns Airport - London Heathrow Airport.
There are 4 airports near London: London City (LCY), London Heathrow (LHR), London Stansted (STN), London Gatwick (LGW)
  • How far is Cairns to London by plane?

    London is 9399.3 mi away from Cairns. Typically, this will take 21h 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 many operators does momondo search for flights from Cairns Airport to London?

  • 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?

Best airlines flying from Cairns to London

Compare and see reviews for airlines that fly from Cairns to London with momondo
Airline
Rating
Free Cancellation
Price
Singapore AirlinesPriceFrom £953Free CancellationRating
8.1
1,347 reviews
Search Singapore Airlines flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Slough
Maidstone
Gatwick
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Colchester
Worthing
Hounslow
Dartford
Dover
Chelmsford
Hayes
Bedford
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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Sat 23/8
Sat 30/8

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