Cheap flights from Cairns to London from £421

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 18/5. 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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0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:00 - 19:30
CNS
-
LHR
41h 30m
3 stops
Multiple Airlines Logo
22:00 - 20:50
LHR
-
CNS
37h 50m
3 stops
£940Multiple Airlines
Sun, 7 Jun - Fri, 12 Jun
Multiple Airlines Logo
11:00 - 18:45
CNS
-
LHR
40h 45m
2 stops
Multiple Airlines Logo
09:30 - 22:40
LHR
-
CNS
28h 10m
2 stops
£947Multiple Airlines
Wed, 17 Jun - Mon, 24 Aug
Multiple Airlines Logo
06:45 - 12:45
CNS
-
LHR
39h 00m
2 stops
Multiple Airlines Logo
09:30 - 22:40
LHR
-
CNS
28h 10m
2 stops
£958Multiple Airlines
Tue, 2 Jun - Tue, 9 Jun
Multiple Airlines Logo
21:40 - 18:40
CNS
-
LHR
54h 00m
2 stops
Multiple Airlines Logo
21:20 - 08:30
LHR
-
CNS
50h 10m
2 stops
£964Multiple Airlines
Sun, 19 Jul - Tue, 8 Sep
Multiple Airlines Logo
21:40 - 07:00
CNS
-
LHR
42h 20m
2 stops
Multiple Airlines Logo
09:30 - 22:40
LHR
-
CNS
28h 10m
2 stops
£1,035Multiple Airlines
Sun, 31 May - Sun, 7 Jun
Multiple Airlines Logo
11:00 - 07:00
CNS
-
LHR
29h 00m
2 stops
Multiple Airlines Logo
09:30 - 22:25
LHR
-
CNS
27h 55m
2 stops
£1,037Multiple Airlines
Mon, 22 Jun - Mon, 24 Aug
Emirates Logo
15:45 - 12:55
CNS
-
STN
30h 10m
2 stops
Emirates Logo
21:05 - 11:50
STN
-
CNS
29h 45m
2 stops
£1,057Emirates
Tue, 5 May - Sun, 10 May
Emirates Logo
15:45 - 12:35
CNS
-
LGW
29h 50m
2 stops
Emirates Logo
14:35 - 08:40
LGW
-
CNS
33h 05m
2 stops
£1,091Emirates
Wed, 13 May - Tue, 30 Jun
Emirates Logo
12:35 - 12:55
CNS
-
STN
33h 20m
2 stops
Emirates Logo
14:55 - 08:40
STN
-
CNS
32h 45m
2 stops
£1,091Emirates
Tue, 2 Jun - Tue, 9 Jun
SWISS Logo
18:15 - 17:25
CNS
-
LCY
32h 10m
2 stops
SWISS Logo
08:10 - 17:00
LCY
-
CNS
23h 50m
2 stops
£1,648SWISS
Sun, 26 Jul - Mon, 10 Aug

Emirates flights from Cairns to London

Our best Emirates deals on Cairns to London flight tickets
Emirates
20 Apr
CNS12:35Cairns
39h 10m
2 stops
STN18:45London Stansted
24 Apr
STN21:05London Stansted
29h 45m
2 stops
CNS11:50Cairns
£1,024
Emirates
5 May
CNS15:45Cairns
31h 40m
2 stops
LHR14:25London Heathrow
10 May
LHR22:15London Heathrow
28h 35m
2 stops
CNS11:50Cairns
£1,055
Emirates
5 May
CNS15:45Cairns
30h 10m
2 stops
STN12:55London Stansted
10 May
STN21:05London Stansted
29h 45m
2 stops
CNS11:50Cairns
£1,057

Singapore Airlines flights from Cairns to London

Our best Singapore Airlines deals on Cairns to London flight tickets
Singapore Airlines
19 Jul
CNS18:15Cairns
34h 15m
1 stop
LHR19:30London Heathrow
8 Sept
LHR09:25London Heathrow
22h 35m
1 stop
CNS17:00Cairns
£1,174
Singapore Airlines
15 Jun
CNS18:15Cairns
21h 40m
1 stop
LGW06:55London Gatwick
24 Aug
LGW13:10London Gatwick
42h 50m
1 stop
CNS17:00Cairns
£1,313
Singapore Airlines
15 Jun
CNS18:15Cairns
24h 15m
1 stop
LGW09:30London Gatwick
24 Aug
LGW13:10London Gatwick
42h 50m
1 stop
CNS17:00Cairns
£1,338

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 April 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 7/6

11:00-19:30

3 stops41h 30m

London Heathrow

Fri 12/6

22:00-20:50

3 stops37h 50m

£940

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 17/6

11:00-18:45

2 stops40h 45m

London Heathrow

Mon 24/8

09:30-22:40

2 stops28h 10m

£947

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Tue 2/6

06:45-12:45

2 stops39h 00m

London Heathrow

Tue 9/6

09:30-22:40

2 stops28h 10m

£958

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sun 19/7

21:40-18:40

2 stops54h 00m

London Heathrow

Tue 8/9

21:20-08:30

2 stops50h 10m

£964

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sun 31/5

21:40-07:00

2 stops42h 20m

London Heathrow

Sun 7/6

09:30-22:40

2 stops28h 10m

£1,035

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Mon 22/6

11:00-07:00

2 stops29h 00m

London Heathrow

Mon 24/8

09:30-22:25

2 stops27h 55m

£1,037

CairnsLondon

CNS - STN

CNSSTN

Cairns

Tue 5/5

15:45-12:55

2 stops30h 10m

London Stansted

Sun 10/5

21:05-11:50

2 stops29h 45m

£1,057

CairnsLondon

CNS - LGW

CNSLGW

Cairns

Wed 13/5

15:45-12:35

2 stops29h 50m

London Gatwick

Tue 30/6

14:35-08:40

2 stops33h 05m

£1,091

CairnsLondon

CNS - STN

CNSSTN

Cairns

Tue 2/6

12:35-12:55

2 stops33h 20m

London Stansted

Tue 9/6

14:55-08:40

2 stops32h 45m

£1,091
Fastest return journey

CairnsLondon

CNS - LCY

CNSLCY

Cairns

Sun 26/7

18:15-17:25

2 stops32h 10m

London City

Mon 10/8

08:10-17:00

2 stops23h 50m

£1,648

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?

The cheapest month to fly to London from Cairns is in February. Flight prices, which tend to average around £751, 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 £861.

Can stopping save me money on Cairns to London flights?

You could potentially save up to 3% 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 April 2026, prices for Cairns to London flights are approximately 6% 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

23h 25m

Direct flights

None
The fastest flight from Cairns to London takes 23h 25m
There are no direct flights from Cairns to London. There are no popular flight routes from Cairns to London.

Frequently asked questions about flying from Cairns to London

  • How far is Cairns to London by plane?

    London is 9399.3 mi away from Cairns. Typically, this will take 23h 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 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
Slough
Maidstone
Wembley
Southend-on-Sea
Ipswich
Canterbury
Ilford
Guildford
Hayes
Dover
Chelmsford
Folkestone
Bedford
Ramsgate
Chichester
Harlow

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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1 adult
Mon 18/5
Mon 25/5

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