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Cheap flights from Cairns to London from $686

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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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
16:55 - 19:20
CNS
-
LHR
35h 25m
2 stops
Multiple Airlines Logo
22:10 - 16:10
LHR
-
CNS
33h 00m
2 stops
$1,741Multiple Airlines
Thu, 28 May - Sun, 14 Jun
Multiple Airlines Logo
21:40 - 16:00
CNS
-
LHR
51h 20m
3 stops
Multiple Airlines Logo
18:30 - 13:40
LHR
-
CNS
58h 10m
3 stops
$1,831Multiple Airlines
Sun, 19 Apr - Sun, 26 Apr
Multiple Airlines Logo
06:00 - 11:40
CNS
-
LHR
39h 40m
2 stops
Multiple Airlines Logo
14:20 - 08:40
LHR
-
CNS
33h 20m
2 stops
$1,924Multiple Airlines
Thu, 19 Mar - Sun, 10 May
Emirates Logo
06:00 - 16:10
CNS
-
LHR
44h 10m
2 stops
Emirates Logo
16:50 - 15:00
LHR
-
CNS
37h 10m
2 stops
$1,939Emirates
Thu, 19 Mar - Thu, 7 May
Multiple Airlines Logo
15:35 - 18:40
CNS
-
LHR
60h 05m
2 stops
Multiple Airlines Logo
21:20 - 19:15
LHR
-
CNS
36h 55m
2 stops
$1,945Multiple Airlines
Thu, 16 Apr - Thu, 23 Apr
Multiple Airlines Logo
15:40 - 18:40
CNS
-
LHR
60h 00m
2 stops
Multiple Airlines Logo
21:20 - 22:40
LHR
-
CNS
40h 20m
2 stops
$1,947Multiple Airlines
Tue, 21 Apr - Tue, 28 Apr
Multiple Airlines Logo
07:00 - 17:40
CNS
-
LHR
43h 40m
2 stops
Multiple Airlines Logo
22:40 - 22:40
LHR
-
CNS
39h 00m
2 stops
$1,955Multiple Airlines
Fri, 17 Apr - Fri, 24 Apr
Multiple Airlines Logo
14:50 - 18:40
CNS
-
LHR
36h 50m
2 stops
Multiple Airlines Logo
21:20 - 19:15
LHR
-
CNS
36h 55m
2 stops
$1,959Multiple Airlines
Thu, 16 Apr - Thu, 23 Apr
Multiple Airlines Logo
06:45 - 17:40
CNS
-
LHR
43h 55m
2 stops
Multiple Airlines Logo
11:20 - 17:00
LHR
-
CNS
20h 40m
1 stop
$1,988Multiple Airlines
Thu, 16 Apr - Thu, 23 Apr
Multiple Airlines Logo
07:00 - 17:40
CNS
-
LHR
43h 40m
2 stops
Multiple Airlines Logo
22:40 - 22:40
LHR
-
CNS
39h 00m
2 stops
$2,011Multiple Airlines
Fri, 17 Apr - Fri, 24 Apr

Singapore Airlines flights from Cairns to London Heathrow Airport

Our best Singapore Airlines deals on Cairns to London Heathrow Airport flight tickets
Singapore Airlines
7 June
CNS18:15Cairns
54h 30m
1 stop
LHR15:45London Heathrow
14 July
LHR11:20London Heathrow
20h 40m
1 stop
CNS17:00Cairns
$2,086
Singapore Airlines
11 May
CNS18:15Cairns
30h 30m
1 stop
LHR15:45London Heathrow
14 May
LHR11:20London Heathrow
20h 40m
1 stop
CNS17:00Cairns
$2,157
Singapore Airlines
11 May
CNS18:15Cairns
30h 30m
1 stop
LHR15:45London Heathrow
14 May
LHR11:20London Heathrow
20h 40m
1 stop
CNS17:00Cairns
$2,160

Qantas Airways flights from Cairns to London Heathrow Airport

Our best Qantas Airways deals on Cairns to London Heathrow Airport 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
$2,263
Qantas Airways
19 Apr
CNS17:00Cairns
30h 25m
2 stops
LHR14:25London Heathrow
26 Apr
LHR20:50London Heathrow
33h 10m
3 stops
CNS15:00Cairns
$2,331
Qantas Airways
5 Apr
CNS13:55Cairns
31h 30m
2 stops
LHR12:25London Heathrow
12 Apr
LHR20:50London Heathrow
35h 45m
1 stop
CNS17:35Cairns
$2,367

momondo Fare Finder

 
Customise your flight search to find flights from Cairns to London Heathrow Airport 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 7 March 2026.
Use the filters below to find and compare flights from Cairns to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 28/5

16:55-19:20

2 stops35h 25m

London Heathrow

Sun 14/6

22:10-16:10

2 stops33h 00m

$1,741

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sun 19/4

21:40-16:00

3 stops51h 20m

London Heathrow

Sun 26/4

18:30-13:40

3 stops58h 10m

$1,831

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 19/3

06:00-11:40

2 stops39h 40m

London Heathrow

Sun 10/5

14:20-08:40

2 stops33h 20m

$1,924

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 19/3

06:00-16:10

2 stops44h 10m

London Heathrow

Thu 7/5

16:50-15:00

2 stops37h 10m

$1,939

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 16/4

15:35-18:40

2 stops60h 05m

London Heathrow

Thu 23/4

21:20-19:15

2 stops36h 55m

$1,945

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Tue 21/4

15:40-18:40

2 stops60h 00m

London Heathrow

Tue 28/4

21:20-22:40

2 stops40h 20m

$1,947

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Fri 17/4

07:00-17:40

2 stops43h 40m

London Heathrow

Fri 24/4

22:40-22:40

2 stops39h 00m

$1,955

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 16/4

14:50-18:40

2 stops36h 50m

London Heathrow

Thu 23/4

21:20-19:15

2 stops36h 55m

$1,959
Fastest return journey

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 16/4

06:45-17:40

2 stops43h 55m

London Heathrow

Thu 23/4

11:20-17:00

1 stop20h 40m

$1,988

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Fri 17/4

07:00-17:40

2 stops43h 40m

London Heathrow

Fri 24/4

22:40-22:40

2 stops39h 00m

$2,011

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 Heathrow Airport

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 Heathrow Airport?

The month of February is, on average, the cheapest month to fly to London Heathrow Airport from Cairns, with most prices found around $1,468. If you aren’t able to travel during the month of February, then book flights to London Heathrow Airport from Cairns during October instead. Flights to London Heathrow Airport in October, while not as cheap as those in February, still average around $1,569.

Can stopping save me money on Cairns to London Heathrow Airport flights?

You could potentially save up to 11% on your flight if you consider stops on a Cairns to London Heathrow Airport flight.

How have Cairns to London Heathrow Airport flight prices changed over time?

When to book flights from Cairns to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Cairns to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Cairns to London Heathrow Airport (CNS to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cairns to London Heathrow Airport

Fastest flight time

28h 55m

Direct flights

None
The fastest flight from Cairns to London Heathrow Airport takes 28h 55m
There are no direct flights from Cairns to London Heathrow Airport. There are no popular flight routes from Cairns to London Heathrow Airport.
Search flight deals

  • How far is Cairns to London Heathrow by plane?

    Cairns and London Heathrow are 15146.4 km apart from one another. 28h 55m is a normal flight duration for this route.

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

    Prices for flights from Cairns Airport to London Heathrow Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Cairns Airport to London Heathrow Airport?

  • How old do you have to be to fly from Cairns Airport to London Heathrow Airport?

    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 Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport 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 Heathrow Airport. 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 Heathrow Airport?

Best airlines flying from Cairns to London Heathrow Airport

Compare and see reviews for airlines that fly from Cairns to London Heathrow Airport with momondo
Airline
Rating
Free cancellation
Price
Singapore AirlinesPriceFrom $1,355Free cancellationRating
8.2
1,470 reviews
Search Singapore Airlines flights
Qantas AirwaysPriceFrom $2,121Free cancellationRating
7.5
1,002 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
Canterbury
Kingston upon Thames
Brentwood
Guildford
Sutton
Maidstone
Dover
Salisbury

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Cairns.

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

Yes. All flights to London from Cairns on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Cairns to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Cairns to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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