Cheap flights from Cairns to London from $719

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
$1,645
Find Deal
Wed, 10 Sep - Mon, 15 Sep
 Logo
21:30 - 15:10CNS-LGW
50h 40m2 stops
 Logo
18:05 - 20:40LGW-CNS
41h 35m2 stops
$1,646
Find Deal
Wed, 10 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
$1,745Singapore 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
$1,745Singapore Airlines
Find Deal
Wed, 14 Jan - Sat, 28 Feb
Emirates Logo
11:35 - 18:25CNS-LGW
40h 50m2 stops
Emirates Logo
20:25 - 11:00LGW-CNS
28h 35m2 stops
$2,234Emirates
Find Deal
Sun, 11 Jan - Mon, 26 Jan
Emirates Logo
18:40 - 19:45CNS-LGW
34h 05m2 stops
Emirates Logo
21:45 - 20:55LGW-CNS
38h 10m2 stops
$2,287Emirates
Find Deal
Fri, 26 Sep - Sun, 19 Oct
Qantas Airways Logo
06:00 - 06:15CNS-LHR
34h 15m3 stops
Qantas Airways Logo
20:10 - 10:45LHR-CNS
28h 35m2 stops
$2,365Qantas Airways
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
$2,368Qantas Airways
Find Deal
Wed, 14 Jan - Sat, 28 Feb
Cathay Pacific Logo
12:00 - 17:20CNS-LHR
39h 20m1 stop
Cathay Pacific Logo
14:25 - 10:30LHR-CNS
58h 05m2 stops
$3,277Cathay Pacific
Find Deal
Tue, 16 Dec - Mon, 5 Jan
Cathay Pacific Logo
12:00 - 20:10CNS-LHR
42h 10m1 stop
Cathay Pacific Logo
14:25 - 10:30LHR-CNS
58h 05m2 stops
$3,340Cathay Pacific
Find Deal
Sat, 20 Dec - Mon, 5 Jan

Lufthansa flights from Cairns to London

Our best Lufthansa deals on Cairns to London flight tickets
Lufthansa
16 Dec
CNS12:00Cairns
30h 45m
2 stops
LHR08:45London Heathrow
4 Jan
LHR16:30London Heathrow
32h 00m
2 stops
CNS10:30Cairns
Lufthansa
16 Dec
CNS12:00Cairns
31h 15m
2 stops
LCY09:15London City
5 Jan
LCY18:15London City
37h 05m
2 stops
CNS17:20Cairns

SWISS flights from Cairns to London

Our best SWISS deals on Cairns to London flight tickets
SWISS
16 Dec
CNS12:00Cairns
33h 15m
2 stops
LHR11:15London Heathrow
3 Jan
LHR20:05London Heathrow
52h 25m
2 stops
CNS10:30Cairns
SWISS
16 Dec
CNS12:00Cairns
38h 40m
3 stops
LHR16:40London Heathrow
3 Jan
LHR20:05London Heathrow
52h 25m
2 stops
CNS10:30Cairns

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 78,305 searches. Data last updated 17 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

$1,645

CairnsLondon

CNS - LGW

CNSLGW

Cairns

Wed 10/9

21:30-15:10

2 stops50h 40m

London Gatwick

Mon 15/9

18:05-20:40

2 stops41h 35m

$1,646

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

$1,745

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

$1,745

CairnsLondon

CNS - LGW

CNSLGW

Cairns

Sun 11/1

11:35-18:25

2 stops40h 50m

London Gatwick

Mon 26/1

20:25-11:00

2 stops28h 35m

$2,234

CairnsLondon

CNS - LGW

CNSLGW

Cairns

Fri 26/9

18:40-19:45

2 stops34h 05m

London Gatwick

Sun 19/10

21:45-20:55

2 stops38h 10m

$2,287

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

$2,365

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

$2,368

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Tue 16/12

12:00-17:20

1 stop39h 20m

London Heathrow

Mon 5/1

14:25-10:30

2 stops58h 05m

$3,277

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sat 20/12

12:00-20:10

1 stop42h 10m

London Heathrow

Mon 5/1

14:25-10:30

2 stops58h 05m

$3,340

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?

If you aren’t able to travel during the month of October, then book flights to London from Cairns during February instead. Flights to London in February, while not as cheap as those in October, still average around $1,606.

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 $1,843. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Cairns to London for around $2,953.

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 $1,926. In contrast, the most expensive time of day to depart to London is in the evening when prices are around $2,944.

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 $2,200 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 $1,789 on momondo.

Can stopping save me money on Cairns to London flights?

You could potentially save up to 42% 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

$719

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 $719. The best return flight deal from Cairns to London found on momondo in the last 72 hours is $1,645.
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 15126.7 km away from Cairns. 21h 25m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Cairns Airport to London?

    Prices for flights from Cairns Airport to London were last updated today.

  • 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?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check 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 licence 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 $1,431Free cancellationRating
8.1
1,347 reviews
Search Singapore Airlines flights
Qantas AirwaysPriceFrom $2,067Free cancellationRating
7.5
895 reviews
Search Qantas Airways flights
Cathay PacificPriceFrom $2,164Free cancellationRating
7.6
969 reviews
Search Cathay Pacific flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Brentford
Wembley
Slough
Dover
Ipswich
Abingdon
Harrow
Richmond
Eastbourne
Chichester
Canterbury
Deal
Kingston upon Thames
Brentwood
Milton Keynes
Guildford
Sutton
Maidstone

Why use momondo?

Why should I use momondo to find a flight deal from Cairns to London?

It is quick and easy to find Cairns to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from Cairns to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Cairns which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Cairns to London?

momondo helps you find the best flight between Cairns and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Cairns to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Cairns and alert you when they change.

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Fri 22/8
Fri 29/8

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 49.5 km from London