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Cheap flights from London to Cairns from £388

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Cairns departing on 19/11. 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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0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
22:00 - 05:45LHR-CNS
45h 45m2 stops
Multiple Airlines Logo
09:45 - 18:35CNS-LHR
42h 50m3 stops
£633Multiple Airlines
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Wed, 19 Nov - Thu, 4 Dec
Multiple Airlines Logo
22:00 - 08:30LHR-CNS
48h 30m3 stops
Multiple Airlines Logo
09:45 - 18:35CNS-LHR
42h 50m3 stops
£665Multiple Airlines
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Wed, 19 Nov - Thu, 4 Dec
SWISS Logo
20:05 - 17:20LHR-CNS
59h 15m2 stops
SWISS Logo
18:35 - 08:05CNS-LHR
23h 30m2 stops
£820SWISS
Find Deal
Sun, 22 Feb - Wed, 18 Mar
SWISS Logo
20:05 - 17:20LHR-CNS
59h 15m2 stops
SWISS Logo
18:35 - 13:40CNS-LHR
29h 05m3 stops
£888SWISS
Find Deal
Sun, 22 Feb - Wed, 18 Mar
Singapore Airlines Logo
21:45 - 17:20LHR-CNS
57h 35m1 stop
Singapore Airlines Logo
18:35 - 15:20CNS-LHR
30h 45m1 stop
£984Singapore Airlines
Find Deal
Sun, 22 Feb - Wed, 18 Mar
Singapore Airlines Logo
09:25 - 17:20LGW-CNS
21h 55m1 stop
Singapore Airlines Logo
18:35 - 06:25CNS-LGW
45h 50m1 stop
£1,065Singapore Airlines
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Sun, 9 Nov - Sun, 16 Nov
Cathay Pacific Logo
20:15 - 09:55LHR-CNS
27h 40m1 stop
Cathay Pacific Logo
14:50 - 15:00CNS-LHR
34h 10m2 stops
£1,129Cathay Pacific
Find Deal
Sun, 22 Feb - Wed, 18 Mar
Qantas Airways Logo
20:10 - 22:05LHR-CNS
39h 55m2 stops
Qantas Airways Logo
07:45 - 06:15CNS-LHR
32h 30m2 stops
£1,146Qantas Airways
Find Deal
Tue, 4 Nov - Tue, 25 Nov
Qantas Airways Logo
20:10 - 22:05LHR-CNS
39h 55m2 stops
Qantas Airways Logo
06:00 - 06:15CNS-LHR
34h 15m2 stops
£1,155Qantas Airways
Find Deal
Tue, 4 Nov - Sun, 23 Nov
Cathay Pacific Logo
22:05 - 16:50LHR-CNS
32h 45m2 stops
Cathay Pacific Logo
11:25 - 15:00CNS-LHR
37h 35m1 stop
£1,159Cathay Pacific
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Fri, 28 Nov - Tue, 9 Dec

SWISS flights from London to Cairns

Our best SWISS deals on London to Cairns flight tickets
SWISS
22 Feb
LHR20:05London Heathrow
59h 15m
2 stops
CNS17:20Cairns
18 Mar
CNS18:35Cairns
23h 30m
2 stops
LHR08:05London Heathrow
£820
Find similar
SWISS
22 Feb
LHR20:05London Heathrow
59h 15m
2 stops
CNS17:20Cairns
18 Mar
CNS18:35Cairns
29h 05m
3 stops
LHR13:40London Heathrow
£888
Find similar
SWISS
29 Nov
LHR18:40London Heathrow
36h 40m
2 stops
CNS17:20Cairns
11 Dec
CNS11:25Cairns
30h 40m
2 stops
LHR08:05London Heathrow
£949
Find similar

Lufthansa flights from London to Cairns

Our best Lufthansa deals on London to Cairns flight tickets
Lufthansa
4 Apr
LHR17:50London Heathrow
38h 10m
2 stops
CNS17:00Cairns
20 Apr
CNS18:15Cairns
23h 25m
2 stops
LHR08:40London Heathrow
£950
Find similar
Lufthansa
4 Apr
LHR17:50London Heathrow
38h 10m
2 stops
CNS17:00Cairns
20 Apr
CNS18:15Cairns
32h 25m
2 stops
LHR17:40London Heathrow
£968
Find similar
Lufthansa
1 Dec
LHR17:50London Heathrow
37h 30m
2 stops
CNS17:20Cairns
11 Dec
CNS11:25Cairns
30h 20m
2 stops
LHR07:45London Heathrow
£1,089
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momondo Fare Finder

 
Customise your flight search to find flights from London to Cairns 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 London to Cairns that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 19/11

22:00-05:45

2 stops45h 45m

Cairns

Thu 4/12

09:45-18:35

3 stops42h 50m

£633

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 19/11

22:00-08:30

3 stops48h 30m

Cairns

Thu 4/12

09:45-18:35

3 stops42h 50m

£665

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 22/2

20:05-17:20

2 stops59h 15m

Cairns

Wed 18/3

18:35-08:05

2 stops23h 30m

£820

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 22/2

20:05-17:20

2 stops59h 15m

Cairns

Wed 18/3

18:35-13:40

3 stops29h 05m

£888

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 22/2

21:45-17:20

1 stop57h 35m

Cairns

Wed 18/3

18:35-15:20

1 stop30h 45m

£984

LondonCairns

LGW - CNS

LGWCNS

London Gatwick

Sun 9/11

09:25-17:20

1 stop21h 55m

Cairns

Sun 16/11

18:35-06:25

1 stop45h 50m

£1,065

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 22/2

20:15-09:55

1 stop27h 40m

Cairns

Wed 18/3

14:50-15:00

2 stops34h 10m

£1,129

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Tue 4/11

20:10-22:05

2 stops39h 55m

Cairns

Tue 25/11

07:45-06:15

2 stops32h 30m

£1,146

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Tue 4/11

20:10-22:05

2 stops39h 55m

Cairns

Sun 23/11

06:00-06:15

2 stops34h 15m

£1,155

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Fri 28/11

22:05-16:50

2 stops32h 45m

Cairns

Tue 9/12

11:25-15:00

1 stop37h 35m

£1,159

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 Cairns from

How to get the cheapest flight ticket from London to Cairns

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 Cairns?

If you’re not able to fly to Cairns in May, then September is your next best option. Flight prices from London to Cairns during September average around £1,049.

What is the cheapest day to depart on your flight to Cairns?

The cheapest day to depart on your flight to Cairns is on a Sunday when prices can be found for as low as £442. This is often the case because there is less demand to fly during this day of the week. On the other hand, Wednesday is the most expensive day to depart from London because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £514.

What is the cheapest time of day to depart on your flight to Cairns?

Our data shows that the cheapest London to Cairns flights are usually those with departure times in the evening. Our users have found flights to Cairns in the evening for as low as £429. Flights at midday are often more expensive, with an average ticket price of £1,397.

How far in advance should I book a flight to Cairns?

You are more likely to see cheaper flights to Cairns from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Cairns for around £1,256 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cairns from London for as low as £1,047 on momondo.

Can stopping save me money on London to Cairns flights?

You could potentially save up to 17% on your flight if you consider stops on a London to Cairns flight.

How have London to Cairns flight prices changed over time?

As of October 2025, prices for London to Cairns flights are approximately 16% cheaper when compared to flights at the same time last year.

When to book flights from London to Cairns

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

Cheap London to Cairns (LON to CNS) flight deals and tips

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

Direct flights

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

    Cairns is 9399.3 mi away from London. In terms of flight time, this usually takes a little over 20h 40m.

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

    Prices for flights from London to Cairns Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Cairns Airport.

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

    The required travel and health documents for your Cairns Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Cairns Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from London to Cairns?

Best airlines flying from London to Cairns

Compare and see reviews for airlines that fly from London to Cairns with momondo
Airline
Rating
Free Cancellation
Price
SWISSPriceFrom £791Free CancellationRating
7.5
1,772 reviews
Search SWISS flights
Cathay PacificPriceFrom £794Free CancellationRating
7.6
1,026 reviews
Search Cathay Pacific flights
Singapore AirlinesPriceFrom £842Free CancellationRating
8.1
1,381 reviews
Search Singapore Airlines flights
EmiratesPriceFrom £1,037Free CancellationRating
8.1
3,374 reviews
Search Emirates flights
Qantas AirwaysPriceFrom £1,140Free CancellationRating
7.5
916 reviews
Search Qantas Airways flights
Japan AirlinesPriceFrom £1,377Free CancellationRating
8.3
1,579 reviews
Search Japan Airlines flights

Travelling to a place near Cairns?

Book flights to Cairns if you plan to visit one of these locations
Port Douglas
Palm Cove

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Cairns for you.

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

Flights from London to Cairns with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between London and Cairns 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 London to Cairns right now. Can momondo alert me if prices change?

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

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