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Cheap flights from Cairns to London from $783

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 16/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Cairns to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
09:45 - 09:55
CNS
-
LHR
34h 10m3 stops
Multiple Airlines Logo
16:45 - 05:45
LHR
-
CNS
27h 00m2 stops
$1,471Multiple Airlines
Mon, 16 Feb - Fri, 20 Feb
Singapore Airlines Logo
18:35 - 15:20
CNS
-
LHR
30h 45m1 stop
Singapore Airlines Logo
09:10 - 17:20
LHR
-
CNS
46h 10m1 stop
$1,701Singapore Airlines
Fri, 30 Jan - Fri, 6 Feb
Singapore Airlines Logo
18:35 - 15:20
CNS
-
LHR
30h 45m1 stop
Singapore Airlines Logo
10:40 - 17:20
LHR
-
CNS
44h 40m1 stop
$1,764Singapore Airlines
Mon, 2 Feb - Mon, 9 Feb
Multiple Airlines Logo
12:05 - 14:00
CNS
-
LGW
35h 55m2 stops
Multiple Airlines Logo
17:00 - 08:30
LGW
-
CNS
53h 30m3 stops
$1,799Multiple Airlines
Tue, 3 Feb - Tue, 10 Feb
Singapore Airlines Logo
18:35 - 19:10
CNS
-
LHR
34h 35m1 stop
Singapore Airlines Logo
09:10 - 17:20
LHR
-
CNS
46h 10m1 stop
$1,813Singapore Airlines
Mon, 16 Feb - Fri, 20 Feb
Cathay Pacific Logo
11:25 - 15:00
CNS
-
LHR
37h 35m1 stop
Cathay Pacific Logo
16:50 - 09:55
LHR
-
CNS
31h 05m1 stop
$1,952Cathay Pacific
Thu, 15 Jan - Thu, 22 Jan
SWISS Logo
11:25 - 08:45
CNS
-
LCY
31h 20m2 stops
SWISS Logo
17:40 - 09:55
LCY
-
CNS
30h 15m2 stops
$2,206SWISS
Tue, 3 Feb - Tue, 10 Feb
Emirates Logo
11:35 - 12:05
CNS
-
STN
34h 30m2 stops
Emirates Logo
20:15 - 10:45
STN
-
CNS
28h 30m2 stops
$2,207Emirates
Wed, 14 Jan - Sat, 28 Feb
Emirates Logo
11:35 - 12:05
CNS
-
STN
34h 30m2 stops
Emirates Logo
20:15 - 10:45
STN
-
CNS
28h 30m2 stops
$2,209Emirates
Wed, 14 Jan - Sat, 28 Feb
Virgin Australia Logo
09:15 - 05:55
CNS
-
LGW
30h 40m2 stops
Virgin Australia Logo
09:00 - 11:00
LGW
-
CNS
40h 00m2 stops
$2,345Virgin Australia
Fri, 30 Jan - Fri, 6 Feb

Singapore Airlines flights from Cairns to London

Our best Singapore Airlines deals on Cairns to London flight tickets
Singapore Airlines
30 Jan
CNS18:35Cairns
30h 45m
1 stop
LHR15:20London Heathrow
6 Feb
LHR09:10London Heathrow
46h 10m
1 stop
CNS17:20Cairns
$1,701
Find similar
Singapore Airlines
2 Feb
CNS18:35Cairns
30h 45m
1 stop
LHR15:20London Heathrow
9 Feb
LHR10:40London Heathrow
44h 40m
1 stop
CNS17:20Cairns
$1,764
Find similar
Singapore Airlines
16 Feb
CNS18:35Cairns
34h 35m
1 stop
LHR19:10London Heathrow
20 Feb
LHR09:10London Heathrow
46h 10m
1 stop
CNS17:20Cairns
$1,813
Find similar

Cathay Pacific flights from Cairns to London

Our best Cathay Pacific deals on Cairns to London flight tickets
Cathay Pacific
15 Jan
CNS11:25Cairns
37h 35m
1 stop
LHR15:00London Heathrow
22 Jan
LHR16:50London Heathrow
31h 05m
1 stop
CNS09:55Cairns
$1,952
Find similar
Cathay Pacific
15 Jan
CNS11:25Cairns
37h 35m
1 stop
LHR15:00London Heathrow
22 Jan
LHR07:10London Heathrow
40h 45m
2 stops
CNS09:55Cairns
$1,967
Find similar
Cathay Pacific
5 Feb
CNS11:25Cairns
39h 55m
1 stop
LHR17:20London Heathrow
9 Feb
LHR22:05London Heathrow
50h 40m
2 stops
CNS10:45Cairns
$2,113
Find similar

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 21 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 - LHR

CNSLHR

Cairns

Mon 16/2

09:45-09:55

3 stops34h 10m

London Heathrow

Fri 20/2

16:45-05:45

2 stops27h 00m

$1,471

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

$1,701

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Mon 2/2

18:35-15:20

1 stop30h 45m

London Heathrow

Mon 9/2

10:40-17:20

1 stop44h 40m

$1,764

CairnsLondon

CNS - LGW

CNSLGW

Cairns

Tue 3/2

12:05-14:00

2 stops35h 55m

London Gatwick

Tue 10/2

17:00-08:30

3 stops53h 30m

$1,799

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Mon 16/2

18:35-19:10

1 stop34h 35m

London Heathrow

Fri 20/2

09:10-17:20

1 stop46h 10m

$1,813

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 15/1

11:25-15:00

1 stop37h 35m

London Heathrow

Thu 22/1

16:50-09:55

1 stop31h 05m

$1,952

CairnsLondon

CNS - LCY

CNSLCY

Cairns

Tue 3/2

11:25-08:45

2 stops31h 20m

London City

Tue 10/2

17:40-09:55

2 stops30h 15m

$2,206

CairnsLondon

CNS - STN

CNSSTN

Cairns

Wed 14/1

11:35-12:05

2 stops34h 30m

London Stansted

Sat 28/2

20:15-10:45

2 stops28h 30m

$2,207

CairnsLondon

CNS - STN

CNSSTN

Cairns

Wed 14/1

11:35-12:05

2 stops34h 30m

London Stansted

Sat 28/2

20:15-10:45

2 stops28h 30m

$2,209

CairnsLondon

CNS - LGW

CNSLGW

Cairns

Fri 30/1

09:15-05:55

2 stops30h 40m

London Gatwick

Fri 6/2

09:00-11:00

2 stops40h 00m

$2,345

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?

What is the cheapest month to fly to London?

If you aren’t able to travel during the month of February, then book flights to London from Cairns during March instead. Flights to London in March, while not as cheap as those in February, still average around $1,784.

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 $1,814. 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 $2,907.

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 $1,896. In contrast, the most expensive time of day to depart to London is in the evening when prices are around $2,898.

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 December 2025, prices for Cairns to London flights are approximately 4% 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.
Search flight deals

  • How far is Cairns to London by plane?

    London is 15126.7 km away from Cairns. 21h 50m 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 $1,445Free cancellationRating
8.1
1,414 reviews
Search Singapore Airlines flights
Qantas AirwaysPriceFrom $2,035Free cancellationRating
7.5
948 reviews
Search Qantas Airways flights

Travelling to a place near London?

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

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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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
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Stansted Airport