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Cheap flights from Cairns to London from $684

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 10/6. 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
1 adult, Economy, 0 bags

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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
19:10 - 18:40
CNS
-
LHR
56h 30m
2 stops
Multiple Airlines Logo
21:20 - 08:30
LHR
-
CNS
50h 10m
2 stops
$1,498Multiple Airlines
Sun, 24 May - Sun, 14 Jun
Multiple Airlines Logo
06:00 - 15:00
CNS
-
LGW
42h 00m
2 stops
Multiple Airlines Logo
11:35 - 20:50
LGW
-
CNS
48h 15m
2 stops
$1,500Multiple Airlines
Sun, 24 May - Sun, 14 Jun
Singapore Airlines Logo
18:15 - 15:45
CNS
-
LHR
30h 30m
1 stop
Singapore Airlines Logo
09:25 - 17:00
LHR
-
CNS
22h 35m
1 stop
$1,657Singapore Airlines
Sun, 24 May - Sun, 14 Jun
Singapore Airlines Logo
18:15 - 06:55
CNS
-
LGW
21h 40m
1 stop
Singapore Airlines Logo
10:10 - 17:00
LGW
-
CNS
21h 50m
1 stop
$1,740Singapore Airlines
Sun, 24 May - Sun, 14 Jun
Emirates Logo
12:35 - 12:35
CNS
-
LGW
33h 00m
2 stops
Emirates Logo
14:35 - 08:40
LGW
-
CNS
33h 05m
2 stops
$1,971Emirates
Tue, 21 Apr - Tue, 28 Apr
Emirates Logo
15:45 - 12:55
CNS
-
STN
30h 10m
2 stops
Emirates Logo
21:05 - 11:50
STN
-
CNS
29h 45m
2 stops
$1,971Emirates
Tue, 21 Apr - Tue, 28 Apr
Virgin Australia Logo
09:20 - 06:25
CNS
-
LHR
30h 05m
2 stops
Virgin Australia Logo
08:25 - 23:20
LHR
-
CNS
29h 55m
2 stops
$1,987Virgin Australia
Mon, 11 May - Thu, 14 May
Virgin Australia Logo
09:20 - 06:40
CNS
-
LGW
30h 20m
2 stops
Virgin Australia Logo
09:00 - 23:20
LGW
-
CNS
53h 20m
2 stops
$1,988Virgin Australia
Mon, 11 May - Fri, 15 May
KLM Logo
19:00 - 18:30
CNS
-
LCY
56h 30m
3 stops
KLM Logo
09:20 - 05:30
LCY
-
CNS
35h 10m
3 stops
$4,406KLM
Wed, 10 Jun - Sat, 18 Jul
KLM Logo
19:00 - 18:30
CNS
-
LCY
56h 30m
3 stops
KLM Logo
10:00 - 05:30
LCY
-
CNS
34h 30m
3 stops
$4,413KLM
Wed, 10 Jun - Sat, 18 Jul

Singapore Airlines flights from Cairns to London

Our best Singapore Airlines deals on Cairns to London flight tickets
Singapore Airlines
24 May
CNS18:15Cairns
30h 30m
1 stop
LHR15:45London Heathrow
14 June
LHR09:25London Heathrow
22h 35m
1 stop
CNS17:00Cairns
$1,657
Singapore Airlines
24 May
CNS18:15Cairns
21h 40m
1 stop
LGW06:55London Gatwick
14 June
LGW10:10London Gatwick
21h 50m
1 stop
CNS17:00Cairns
$1,740
Singapore Airlines
1 May
CNS18:15Cairns
21h 40m
1 stop
LGW06:55London Gatwick
9 May
LGW10:05London Gatwick
45h 55m
1 stop
CNS17:00Cairns
$2,019

Qantas Airways flights from Cairns to London

Our best Qantas Airways deals on Cairns to London flight tickets
Qantas Airways
19 Apr
CNS18:20Cairns
34h 55m
2 stops
LHR20:15London Heathrow
26 Apr
LHR20:50London Heathrow
35h 05m
3 stops
CNS16:55Cairns
$2,236
Qantas Airways
23 Apr
CNS12:35Cairns
34h 50m
2 stops
LHR14:25London Heathrow
30 Apr
LHR20:50London Heathrow
33h 10m
3 stops
CNS15:00Cairns
$2,275
Qantas Airways
22 Apr
CNS15:45Cairns
29h 40m
2 stops
LHR12:25London Heathrow
29 Apr
LHR20:50London Heathrow
33h 10m
3 stops
CNS15:00Cairns
$2,312

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 11 March 2026.
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 - LHR

CNSLHR

Cairns

Sun 24/5

19:10-18:40

2 stops56h 30m

London Heathrow

Sun 14/6

21:20-08:30

2 stops50h 10m

$1,498

CairnsLondon

CNS - LGW

CNSLGW

Cairns

Sun 24/5

06:00-15:00

2 stops42h 00m

London Gatwick

Sun 14/6

11:35-20:50

2 stops48h 15m

$1,500

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sun 24/5

18:15-15:45

1 stop30h 30m

London Heathrow

Sun 14/6

09:25-17:00

1 stop22h 35m

$1,657
Fastest return journey

CairnsLondon

CNS - LGW

CNSLGW

Cairns

Sun 24/5

18:15-06:55

1 stop21h 40m

London Gatwick

Sun 14/6

10:10-17:00

1 stop21h 50m

$1,740

CairnsLondon

CNS - LGW

CNSLGW

Cairns

Tue 21/4

12:35-12:35

2 stops33h 00m

London Gatwick

Tue 28/4

14:35-08:40

2 stops33h 05m

$1,971

CairnsLondon

CNS - STN

CNSSTN

Cairns

Tue 21/4

15:45-12:55

2 stops30h 10m

London Stansted

Tue 28/4

21:05-11:50

2 stops29h 45m

$1,971

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Mon 11/5

09:20-06:25

2 stops30h 05m

London Heathrow

Thu 14/5

08:25-23:20

2 stops29h 55m

$1,987

CairnsLondon

CNS - LGW

CNSLGW

Cairns

Mon 11/5

09:20-06:40

2 stops30h 20m

London Gatwick

Fri 15/5

09:00-23:20

2 stops53h 20m

$1,988

CairnsLondon

CNS - LCY

CNSLCY

Cairns

Wed 10/6

19:00-18:30

3 stops56h 30m

London City

Sat 18/7

09:20-05:30

3 stops35h 10m

$4,406

CairnsLondon

CNS - LCY

CNSLCY

Cairns

Wed 10/6

19:00-18:30

3 stops56h 30m

London City

Sat 18/7

10:00-05:30

3 stops34h 30m

$4,413

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 $1,628.

Can stopping save me money on Cairns to London flights?

You could potentially save up to 11% 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 March 2026, prices for Cairns to London flights are approximately 2% 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

Fastest flight time

21h 40m

Direct flights

None
The fastest flight from Cairns to London takes 21h 40m
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 40m 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 $1,338Free cancellationRating
8.2
1,475 reviews
Search Singapore Airlines flights
Qantas AirwaysPriceFrom $2,096Free cancellationRating
7.5
1,003 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
Deal
Brentford
Abingdon
Ipswich
Slough
Marlow
Eastbourne
Chichester
Kingston upon Thames
Brentwood
Guildford
Sutton
Maidstone
Dover
Ascot
Winchester

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