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Cheap flights from Cairns to London from $712

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 14/10. 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

Find the cheapest flights from Cairns to London

Cheap return flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
18:15 - 19:30CNS  Cairns-LHR London Heathrow
34h 15m1 stop Singapore Changi
Singapore Airlines Logo
20:35 - 17:20LHR  London Heathrow-CNS Cairns
34h 45m1 stop Singapore Changi
$1,837Singapore Airlines
Sun, 18 Oct - Wed, 11 Nov
Singapore Airlines Logo
18:15 - 19:30CNS  Cairns-LHR London Heathrow
34h 15m1 stop Singapore Changi
Singapore Airlines Logo
21:45 - 17:20LHR  London Heathrow-CNS Cairns
33h 35m1 stop Singapore Changi
$1,838Singapore Airlines
Sun, 18 Oct - Wed, 11 Nov
Singapore Airlines Logo
18:20 - 19:10CNS  Cairns-LHR London Heathrow
34h 50m1 stop Singapore Changi
Singapore Airlines Logo
20:35 - 17:20LHR  London Heathrow-CNS Cairns
34h 45m1 stop Singapore Changi
$1,839Singapore Airlines
Wed, 18 Nov - Wed, 10 Feb
Multiple Airlines Logo
06:45 - 18:40CNS  Cairns-LHR London Heathrow
44h 55m2 stops Sydney Kingsford Smith Shanghai Pu Dong
Multiple Airlines Logo
21:20 - 18:55LHR  London Heathrow-CNS Cairns
36h 35m2 stops Shanghai Pu Dong Melbourne
$1,900Multiple Airlines
Wed, 2 Sep - Tue, 8 Sep
Singapore Airlines Logo
18:15 - 19:30CNS  Cairns-LHR London Heathrow
34h 15m1 stop Singapore Changi
Singapore Airlines Logo
20:35 - 17:20LHR  London Heathrow-CNS Cairns
34h 45m1 stop Singapore Changi
$1,919Singapore Airlines
Sun, 18 Oct - Wed, 11 Nov
Singapore Airlines Logo
18:20 - 19:10CNS  Cairns-LHR London Heathrow
34h 50m1 stop Singapore Changi
Singapore Airlines Logo
21:45 - 17:20LHR  London Heathrow-CNS Cairns
33h 35m1 stop Singapore Changi
$1,920Singapore Airlines
Wed, 18 Nov - Sun, 24 Jan
Singapore Airlines Logo
18:15 - 19:30CNS  Cairns-LHR London Heathrow
34h 15m1 stop Singapore Changi
Singapore Airlines Logo
20:35 - 17:20LHR  London Heathrow-CNS Cairns
34h 45m1 stop Singapore Changi
$1,924Singapore Airlines
Sun, 18 Oct - Wed, 11 Nov
Singapore Airlines Logo
18:20 - 19:10CNS  Cairns-LHR London Heathrow
34h 50m1 stop Singapore Changi
Singapore Airlines Logo
10:40 - 17:20LHR  London Heathrow-CNS Cairns
20h 40m1 stop Singapore Changi
$1,995Singapore Airlines
Wed, 18 Nov - Wed, 10 Feb
Singapore Airlines Logo
18:20 - 19:10CNS  Cairns-LHR London Heathrow
34h 50m1 stop Singapore Changi
Singapore Airlines Logo
09:10 - 17:20LHR  London Heathrow-CNS Cairns
22h 10m1 stop Singapore Changi
$1,995Singapore Airlines
Wed, 18 Nov - Wed, 10 Feb
Multiple Airlines Logo
06:50 - 07:00CNS  Cairns-LHR London Heathrow
33h 10m2 stops Sydney Kingsford Smith Abu Dhabi Zayed Intl
Multiple Airlines Logo
20:55 - 13:35LHR  London Heathrow-CNS Cairns
30h 40m2 stops Abu Dhabi Zayed Intl Sydney Kingsford Smith
$2,016Multiple Airlines
Sun, 18 Oct - Wed, 11 Nov

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Singapore Airlines flights from Cairns to London Heathrow Airport

Our best Singapore Airlines deals on Cairns to London Heathrow Airport flight tickets
Singapore Airlines
18 Oct
CNS18:15Cairns
34h 15m
1 stop
LHR19:30London Heathrow
11 Nov
LHR20:35London Heathrow
34h 45m
1 stop
CNS17:20Cairns
$1,837
Singapore Airlines
18 Oct
CNS18:15Cairns
34h 15m
1 stop
LHR19:30London Heathrow
11 Nov
LHR21:45London Heathrow
33h 35m
1 stop
CNS17:20Cairns
$1,838
Singapore Airlines
18 Nov
CNS18:20Cairns
34h 50m
1 stop
LHR19:10London Heathrow
10 Feb
LHR20:35London Heathrow
34h 45m
1 stop
CNS17:20Cairns
$1,839

Qantas Airways flights from Cairns to London Heathrow Airport

Our best Qantas Airways deals on Cairns to London Heathrow Airport flight tickets
Qantas Airways
18 Oct
CNS06:00Cairns
33h 35m
3 stops
LHR06:35London Heathrow
11 Nov
LHR20:10London Heathrow
32h 45m
3 stops
CNS14:55Cairns
$2,395
Qantas Airways
18 Oct
CNS06:00Cairns
33h 35m
3 stops
LHR06:35London Heathrow
11 Nov
LHR20:10London Heathrow
32h 45m
3 stops
CNS14:55Cairns
$2,399
Qantas Airways
18 Oct
CNS06:00Cairns
33h 35m
3 stops
LHR06:35London Heathrow
11 Nov
LHR20:10London Heathrow
32h 45m
3 stops
CNS14:55Cairns
$2,404

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 11 August 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 Cairns - LHR London Heathrow

CNSLHR

Cairns

Sun 18/10

18:15-19:30

1 stop34h 15m

London Heathrow

Wed 11/11

20:35-17:20

1 stop34h 45m

$1,837

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Sun 18/10

18:15-19:30

1 stop34h 15m

London Heathrow

Wed 11/11

21:45-17:20

1 stop33h 35m

$1,838

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Wed 18/11

18:20-19:10

1 stop34h 50m

London Heathrow

Wed 10/2

20:35-17:20

1 stop34h 45m

$1,839

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Wed 2/9

06:45-18:40

2 stops44h 55m

London Heathrow

Tue 8/9

21:20-18:55

2 stops36h 35m

$1,900

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Sun 18/10

18:15-19:30

1 stop34h 15m

London Heathrow

Wed 11/11

20:35-17:20

1 stop34h 45m

$1,919

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Wed 18/11

18:20-19:10

1 stop34h 50m

London Heathrow

Sun 24/1

21:45-17:20

1 stop33h 35m

$1,920

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Sun 18/10

18:15-19:30

1 stop34h 15m

London Heathrow

Wed 11/11

20:35-17:20

1 stop34h 45m

$1,924
Fastest return journey

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Wed 18/11

18:20-19:10

1 stop34h 50m

London Heathrow

Wed 10/2

10:40-17:20

1 stop20h 40m

$1,995

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Wed 18/11

18:20-19:10

1 stop34h 50m

London Heathrow

Wed 10/2

09:10-17:20

1 stop22h 10m

$1,995

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Sun 18/10

06:50-07:00

2 stops33h 10m

London Heathrow

Wed 11/11

20:55-13:35

2 stops30h 40m

$2,016

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 typical price of a round-trip flight between Cairns and London Heathrow Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $1,990 to $2,026.
The lowest price recently found on this route was $1,837.

What is the cheapest month to fly to London Heathrow Airport?

The month of January is, on average, the cheapest month to fly to London Heathrow Airport from Cairns, with most prices found around $0. If you aren’t able to travel during the month of January, 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 January, still average around $1,585.

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

You could potentially save up to 38% 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

33h 35m

Direct flights

None
The fastest flight from Cairns to London Heathrow Airport takes 33h 35m
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

Frequently asked questions about flying from Cairns to London Heathrow Airport

  • How far is Cairns to London Heathrow by plane?

    Cairns and London Heathrow are 15146.4 km apart from one another. 33h 35m 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 $1,460Free cancellationRating
8.2
1,584 reviews
Search Singapore Airlines flights

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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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