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Cheap flights from Cairns to London from £334

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 26/1. 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

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Singapore Airlines Logo
18:35 - 15:20CNS-LHR
30h 45m1 stop
Singapore Airlines Logo
11:25 - 17:00LHR-CNS
44h 35m1 stop
£760Singapore Airlines
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Mon, 16 Mar - Mon, 13 Apr
Multiple Airlines Logo
11:25 - 07:45CNS-LHR
30h 20m2 stops
Multiple Airlines Logo
16:40 - 17:20LHR-CNS
38h 40m2 stops
£791Multiple Airlines
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Tue, 3 Feb - Mon, 9 Feb
Multiple Airlines Logo
19:30 - 18:20CNS-LHR
32h 50m2 stops
Multiple Airlines Logo
09:10 - 22:05LHR-CNS
26h 55m2 stops
£844Multiple Airlines
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Sun, 28 Dec - Thu, 15 Jan
Singapore Airlines Logo
18:35 - 19:10CNS-LHR
34h 35m1 stop
Singapore Airlines Logo
21:45 - 17:20LHR-CNS
33h 35m1 stop
£898Singapore 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
£899Singapore 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
10:40 - 17:20LHR-CNS
20h 40m1 stop
£911Singapore Airlines
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Wed, 4 Mar - Sun, 8 Mar
Singapore Airlines Logo
18:35 - 19:10CNS-LHR
34h 35m1 stop
Singapore Airlines Logo
10:40 - 17:20LHR-CNS
20h 40m1 stop
£912Singapore Airlines
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Wed, 4 Mar - Sun, 8 Mar
SWISS Logo
11:25 - 16:40CNS-LHR
39h 15m3 stops
SWISS Logo
20:05 - 09:55LHR-CNS
51h 50m2 stops
£927SWISS
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Tue, 3 Feb - Mon, 9 Feb
Cathay Pacific Logo
11:25 - 15:00CNS-LHR
37h 35m1 stop
Cathay Pacific Logo
17:50 - 09:55LHR-CNS
30h 05m1 stop
£969Cathay Pacific
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Thu, 15 Jan - Thu, 22 Jan
Multiple Airlines Logo
18:35 - 08:45CNS-LHR
24h 10m2 stops
Multiple Airlines Logo
20:05 - 04:30LHR-CNS
47h 25m2 stops
£973Multiple Airlines
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Mon, 16 Mar - Mon, 13 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
16 Mar
CNS18:35Cairns
30h 45m
1 stop
LHR15:20London Heathrow
13 Apr
LHR11:25London Heathrow
44h 35m
1 stop
CNS17:00Cairns
£760
Find similar
Singapore Airlines
14 Jan
CNS18:35Cairns
34h 35m
1 stop
LHR19:10London Heathrow
28 Feb
LHR21:45London Heathrow
33h 35m
1 stop
CNS17:20Cairns
£898
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
£899
Find similar

Qantas Airways flights from Cairns to London Heathrow Airport

Our best Qantas Airways deals on Cairns to London Heathrow Airport flight tickets
Qantas Airways
14 Mar
CNS12:35Cairns
51h 40m
2 stops
LHR06:15London Heathrow
2 Apr
LHR20:50London Heathrow
32h 20m
2 stops
CNS14:10Cairns
£1,113
Find similar
Qantas Airways
14 Mar
CNS11:45Cairns
52h 30m
3 stops
LHR06:15London Heathrow
2 Apr
LHR20:50London Heathrow
32h 20m
2 stops
CNS14:10Cairns
£1,132
Find similar
Qantas Airways
14 Mar
CNS15:35Cairns
48h 40m
3 stops
LHR06:15London Heathrow
2 Apr
LHR20:50London Heathrow
32h 20m
2 stops
CNS14:10Cairns
£1,137
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 3 December 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

18:35-15:20

1 stop30h 45m

London Heathrow

Mon 13/4

11:25-17:00

1 stop44h 35m

£760

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Tue 3/2

11:25-07:45

2 stops30h 20m

London Heathrow

Mon 9/2

16:40-17:20

2 stops38h 40m

£791

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sun 28/12

19:30-18:20

2 stops32h 50m

London Heathrow

Thu 15/1

09:10-22:05

2 stops26h 55m

£844

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 14/1

18:35-19:10

1 stop34h 35m

London Heathrow

Sat 28/2

21:45-17:20

1 stop33h 35m

£898

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

£899

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 4/3

18:35-15:20

1 stop30h 45m

London Heathrow

Sun 8/3

10:40-17:20

1 stop20h 40m

£911

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 4/3

18:35-19:10

1 stop34h 35m

London Heathrow

Sun 8/3

10:40-17:20

1 stop20h 40m

£912

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Tue 3/2

11:25-16:40

3 stops39h 15m

London Heathrow

Mon 9/2

20:05-09:55

2 stops51h 50m

£927

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 15/1

11:25-15:00

1 stop37h 35m

London Heathrow

Thu 22/1

17:50-09:55

1 stop30h 05m

£969

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Mon 16/3

18:35-08:45

2 stops24h 10m

London Heathrow

Mon 13/4

20:05-04:30

2 stops47h 25m

£973

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?

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 £782. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Cairns averaging around £815.

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 £560. 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 £905.

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 £815. 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 £1,255 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 26% 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 December 2025, prices for Cairns to London Heathrow Airport flights are approximately 43% more expensive 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

Fastest flight time

30h 20m

Direct flights

None
The fastest flight from Cairns to London Heathrow Airport takes 30h 20m
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 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.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Northampton
Swindon
Stratford-upon-Avon
Canterbury
Southend-on-Sea
Ipswich
Ilford
Poole
Guildford
Swanage
Hayes
Dover
Chelmsford
Colchester

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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