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Cheap flights from Cairns to London from $710

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 15/11. 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.
Lufthansa Logo
18:35 - 09:45CNS-LHR
25h 10m2 stops
Lufthansa Logo
17:30 - 17:20LHR-CNS
37h 50m2 stops
$1,392Lufthansa
Find Deal
Wed, 18 Feb - Wed, 25 Mar
Lufthansa Logo
18:35 - 09:45CNS-LHR
25h 10m2 stops
Lufthansa Logo
17:30 - 17:20LHR-CNS
37h 50m2 stops
$1,404Lufthansa
Find Deal
Wed, 18 Feb - Wed, 25 Mar
Multiple Airlines Logo
19:15 - 07:10CNS-LHR
45h 55m2 stops
Multiple Airlines Logo
13:40 - 08:30LHR-CNS
32h 50m3 stops
$1,485Multiple Airlines
Find Deal
Wed, 5 Nov - Wed, 19 Nov
Multiple Airlines Logo
18:35 - 09:45CNS-LHR
25h 10m2 stops
Multiple Airlines Logo
12:05 - 17:20LHR-CNS
43h 15m2 stops
$1,610Multiple Airlines
Find Deal
Wed, 14 Jan - Sat, 28 Feb
Singapore Airlines Logo
18:35 - 15:20CNS-LHR
30h 45m1 stop
Singapore Airlines Logo
21:45 - 17:20LHR-CNS
33h 35m1 stop
$1,753Singapore Airlines
Find Deal
Wed, 14 Jan - Sat, 28 Feb
Singapore Airlines Logo
18:35 - 19:10CNS-LHR
34h 35m1 stop
Singapore Airlines Logo
10:40 - 17:20LHR-CNS
20h 40m1 stop
$1,766Singapore Airlines
Find Deal
Wed, 14 Jan - Sat, 28 Feb
SWISS Logo
18:35 - 08:05CNS-LHR
23h 30m2 stops
SWISS Logo
20:05 - 17:00LHR-CNS
58h 55m2 stops
$1,801SWISS
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Wed, 18 Feb - Fri, 27 Mar
SWISS Logo
18:35 - 08:05CNS-LHR
23h 30m2 stops
SWISS Logo
20:05 - 17:20LHR-CNS
35h 15m3 stops
$1,824SWISS
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Wed, 18 Feb - Wed, 25 Mar
Qantas Airways Logo
17:00 - 06:15CNS-LHR
47h 15m1 stop
Qantas Airways Logo
20:10 - 10:45LHR-CNS
28h 35m2 stops
$2,256Qantas Airways
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Mon, 3 Nov - Tue, 18 Nov
Qantas Airways Logo
06:00 - 06:15CNS-LHR
34h 15m2 stops
Qantas Airways Logo
20:10 - 10:45LHR-CNS
28h 35m2 stops
$2,278Qantas Airways
Find Deal
Mon, 16 Feb - Mon, 23 Mar

Lufthansa flights from Cairns to London Heathrow Airport

Our best Lufthansa deals on Cairns to London Heathrow Airport flight tickets
Lufthansa
18 Feb
CNS18:35Cairns
25h 10m
2 stops
LHR09:45London Heathrow
25 Mar
LHR17:30London Heathrow
37h 50m
2 stops
CNS17:20Cairns
$1,392
Find similar
Lufthansa
18 Feb
CNS18:35Cairns
25h 10m
2 stops
LHR09:45London Heathrow
25 Mar
LHR17:30London Heathrow
37h 50m
2 stops
CNS17:20Cairns
$1,404
Find similar
Lufthansa
20 Feb
CNS18:35Cairns
25h 10m
2 stops
LHR09:45London Heathrow
25 Mar
LHR17:30London Heathrow
37h 50m
2 stops
CNS17:20Cairns
$1,769
Find similar

Singapore Airlines flights from Cairns to London Heathrow Airport

Our best Singapore Airlines deals on Cairns to London Heathrow Airport flight tickets
Singapore Airlines
14 Jan
CNS18:35Cairns
30h 45m
1 stop
LHR15:20London Heathrow
28 Feb
LHR21:45London Heathrow
33h 35m
1 stop
CNS17:20Cairns
$1,753
Find similar
Singapore Airlines
14 Jan
CNS18:35Cairns
34h 35m
1 stop
LHR19:10London Heathrow
28 Feb
LHR10:40London Heathrow
20h 40m
1 stop
CNS17:20Cairns
$1,766
Find similar
Singapore Airlines
8 Apr
CNS18:15Cairns
30h 30m
1 stop
LHR15:45London Heathrow
2 May
LHR11:25London Heathrow
44h 35m
1 stop
CNS17:00Cairns
$2,034
Find similar

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 12 October 2025.
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

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 18/2

18:35-09:45

2 stops25h 10m

London Heathrow

Wed 25/3

17:30-17:20

2 stops37h 50m

$1,392

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 18/2

18:35-09:45

2 stops25h 10m

London Heathrow

Wed 25/3

17:30-17:20

2 stops37h 50m

$1,404

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 5/11

19:15-07:10

2 stops45h 55m

London Heathrow

Wed 19/11

13:40-08:30

3 stops32h 50m

$1,485

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 14/1

18:35-09:45

2 stops25h 10m

London Heathrow

Sat 28/2

12:05-17:20

2 stops43h 15m

$1,610

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 14/1

18:35-15:20

1 stop30h 45m

London Heathrow

Sat 28/2

21:45-17:20

1 stop33h 35m

$1,753

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 14/1

18:35-19:10

1 stop34h 35m

London Heathrow

Sat 28/2

10:40-17:20

1 stop20h 40m

$1,766

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 18/2

18:35-08:05

2 stops23h 30m

London Heathrow

Fri 27/3

20:05-17:00

2 stops58h 55m

$1,801

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 18/2

18:35-08:05

2 stops23h 30m

London Heathrow

Wed 25/3

20:05-17:20

3 stops35h 15m

$1,824

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Mon 3/11

17:00-06:15

1 stop47h 15m

London Heathrow

Tue 18/11

20:10-10:45

2 stops28h 35m

$2,256

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Mon 16/2

06:00-06:15

2 stops34h 15m

London Heathrow

Mon 23/3

20:10-10:45

2 stops28h 35m

$2,278

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 $1,605. 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 $1,732.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Sunday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $1,999. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Cairns to London Heathrow Airport for around $3,007.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

In the afternoon is the cheapest time of day to fly from Cairns to London Heathrow Airport when you can find flight prices for as low as $2,069. Flying to London Heathrow Airport in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to London Heathrow Airport is in the evening when prices are around $2,529.

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

You could potentially save up to 14% 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?

As of October 2025, prices for Cairns to London Heathrow Airport flights are approximately 12% cheaper when compared to flights at the same time last year.

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

Direct flights

None
There are no direct flights from Cairns to London Heathrow Airport. There are no popular flight routes from Cairns to London Heathrow Airport.
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  • How far is Cairns to London Heathrow by plane?

    Cairns and London Heathrow are 15146.4 km apart from one another. 23h 25m 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 $1,468Free cancellationRating
8.1
1,379 reviews
Search Singapore Airlines flights
Qantas AirwaysPriceFrom $2,077Free cancellationRating
7.5
917 reviews
Search Qantas Airways flights

Travelling to a place near London?

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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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