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Cheap flights from Cairns to London from £396

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 30/1. 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.
SWISS Logo
18:35 - 08:05CNS-LHR
23h 30m2 stops
SWISS Logo
20:05 - 17:00LHR-CNS
59h 55m2 stops
£647SWISS
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Mon, 16 Mar - Tue, 7 Apr
SWISS Logo
18:35 - 08:05CNS-LHR
23h 30m2 stops
SWISS Logo
20:05 - 17:00LHR-CNS
59h 55m3 stops
£669SWISS
Find Deal
Mon, 16 Mar - Tue, 7 Apr
SWISS Logo
18:35 - 13:40CNS-LHR
29h 05m3 stops
SWISS Logo
20:05 - 17:00LHR-CNS
59h 55m3 stops
£695SWISS
Find Deal
Mon, 16 Mar - Tue, 7 Apr
Multiple Airlines Logo
06:00 - 17:30CNS-LHR
45h 30m2 stops
Multiple Airlines Logo
21:00 - 19:50LHR-CNS
36h 50m2 stops
£774Multiple Airlines
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Wed, 5 Nov - Wed, 19 Nov
Multiple Airlines Logo
18:35 - 08:45CNS-LHR
24h 10m2 stops
Multiple Airlines Logo
18:40 - 17:20LHR-CNS
36h 40m2 stops
£794Multiple Airlines
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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
£847Singapore Airlines
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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
£854Singapore Airlines
Find Deal
Wed, 14 Jan - Sat, 28 Feb
Qantas Airways Logo
12:35 - 06:15CNS-LHR
51h 40m1 stop
Qantas Airways Logo
20:10 - 11:00LHR-CNS
28h 50m2 stops
£1,042Qantas Airways
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Wed, 12 Nov - Wed, 19 Nov
KLM Logo
19:15 - 10:45CNS-LHR
49h 30m3 stops
KLM Logo
11:45 - 05:45LHR-CNS
32h 00m3 stops
£1,069KLM
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Mon, 3 Nov - Thu, 20 Nov
Qantas Airways Logo
17:35 - 06:15CNS-LHR
46h 40m2 stops
Qantas Airways Logo
20:10 - 10:45LHR-CNS
28h 35m2 stops
£1,121Qantas Airways
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Tue, 10 Mar - Sat, 14 Mar

SWISS flights from Cairns to London Heathrow Airport

Our best SWISS deals on Cairns to London Heathrow Airport flight tickets
SWISS
16 Mar
CNS18:35Cairns
23h 30m
2 stops
LHR08:05London Heathrow
7 Apr
LHR20:05London Heathrow
59h 55m
2 stops
CNS17:00Cairns
£647
Find similar
SWISS
16 Mar
CNS18:35Cairns
23h 30m
2 stops
LHR08:05London Heathrow
7 Apr
LHR20:05London Heathrow
59h 55m
3 stops
CNS17:00Cairns
£669
Find similar
SWISS
16 Mar
CNS18:35Cairns
29h 05m
3 stops
LHR13:40London Heathrow
7 Apr
LHR20:05London Heathrow
59h 55m
3 stops
CNS17:00Cairns
£695
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
£847
Find similar
Singapore Airlines
14 Jan
CNS18:35Cairns
30h 45m
1 stop
LHR15:20London Heathrow
28 Feb
LHR21:45London Heathrow
33h 35m
1 stop
CNS17:20Cairns
£854
Find similar
Singapore Airlines
16 Mar
CNS18:35Cairns
30h 45m
1 stop
LHR15:20London Heathrow
7 Apr
LHR09:25London Heathrow
22h 35m
1 stop
CNS17:00Cairns
£860
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 279,928 searches. Data last updated 15 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

Mon 16/3

18:35-08:05

2 stops23h 30m

London Heathrow

Tue 7/4

20:05-17:00

2 stops59h 55m

£647

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Mon 16/3

18:35-08:05

2 stops23h 30m

London Heathrow

Tue 7/4

20:05-17:00

3 stops59h 55m

£669

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Mon 16/3

18:35-13:40

3 stops29h 05m

London Heathrow

Tue 7/4

20:05-17:00

3 stops59h 55m

£695

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 5/11

06:00-17:30

2 stops45h 30m

London Heathrow

Wed 19/11

21:00-19:50

2 stops36h 50m

£774

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 14/1

18:35-08:45

2 stops24h 10m

London Heathrow

Sat 28/2

18:40-17:20

2 stops36h 40m

£794

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

£847

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

£854

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 12/11

12:35-06:15

1 stop51h 40m

London Heathrow

Wed 19/11

20:10-11:00

2 stops28h 50m

£1,042

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Mon 3/11

19:15-10:45

3 stops49h 30m

London Heathrow

Thu 20/11

11:45-05:45

3 stops32h 00m

£1,069

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Tue 10/3

17:35-06:15

2 stops46h 40m

London Heathrow

Sat 14/3

20:10-10:45

2 stops28h 35m

£1,121

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

In general, February is the cheapest month to fly from Cairns to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £781. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Cairns averaging around £843.

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

On average, the least expensive day to fly to London Heathrow Airport from Cairns is on a Monday. momondo users have found tickets for Monday departures for as low as £556. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Tuesday is £898.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Cairns to London Heathrow Airport in the afternoon for as low as £809. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £1,245 on average. Flights to London Heathrow Airport from Cairns in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You could potentially save up to 17% 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?

    London Heathrow is 9411.6 mi away from Cairns. In terms of flight time, this usually takes a little over 23h 05m.

  • 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?

    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 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 license 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 £903Free CancellationRating
8.1
1,380 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?

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 enables you to select and highlight flights to London from Cairns with this policy.

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?

Of course. momondo tracks the price of Cairns to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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