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Cheap flights from London Heathrow Airport to Cairns from £421

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 Heathrow Airport to Cairns departing on 5/3. 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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Find the cheapest flights from London Heathrow Airport to Cairns

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
21:00 - 09:20LHR-CNS
50h 20m2 stops
Multiple Airlines Logo
15:50 - 17:30CNS-LHR
59h 40m2 stops
£829Multiple Airlines
Find Deal
Tue, 30 Dec - Sun, 18 Jan
Multiple Airlines Logo
21:00 - 22:05LHR-CNS
39h 05m2 stops
Multiple Airlines Logo
06:00 - 17:30CNS-LHR
45h 30m2 stops
£910Multiple Airlines
Find Deal
Sun, 28 Dec - Sun, 18 Jan
Cathay Pacific Logo
16:50 - 09:55LHR-CNS
31h 05m1 stop
Cathay Pacific Logo
11:25 - 06:30CNS-LHR
29h 05m1 stop
£964Cathay Pacific
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Tue, 3 Feb - Tue, 17 Feb
Cathay Pacific Logo
19:50 - 09:55LHR-CNS
52h 05m2 stops
Cathay Pacific Logo
11:25 - 15:00CNS-LHR
37h 35m1 stop
£1,054Cathay Pacific
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Mon, 29 Dec - Thu, 15 Jan
Singapore Airlines Logo
09:10 - 17:20LHR-CNS
22h 10m1 stop
Singapore Airlines Logo
18:15 - 19:30CNS-LHR
34h 15m1 stop
£1,128Singapore Airlines
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Sun, 15 Mar - Sun, 19 Apr
Singapore Airlines Logo
09:10 - 17:20LHR-CNS
22h 10m1 stop
Singapore Airlines Logo
18:15 - 19:30CNS-LHR
34h 15m1 stop
£1,131Singapore Airlines
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Sun, 15 Mar - Sun, 19 Apr
Qantas Airways Logo
20:10 - 15:10LHR-CNS
33h 00m2 stops
Qantas Airways Logo
06:40 - 06:15CNS-LHR
33h 35m2 stops
£1,160Qantas Airways
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Sun, 1 Mar - Wed, 25 Mar
Qantas Airways Logo
20:10 - 15:10LHR-CNS
33h 00m2 stops
Qantas Airways Logo
18:05 - 06:15CNS-LHR
46h 10m2 stops
£1,161Qantas Airways
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Sun, 1 Mar - Sun, 22 Mar
SWISS Logo
18:40 - 17:20LHR-CNS
36h 40m2 stops
SWISS Logo
18:35 - 21:40CNS-LHR
37h 05m2 stops
£1,162SWISS
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Wed, 18 Mar - Sun, 22 Mar
SWISS Logo
20:05 - 17:20LHR-CNS
35h 15m3 stops
SWISS Logo
18:35 - 08:05CNS-LHR
23h 30m2 stops
£1,172SWISS
Find Deal
Wed, 4 Mar - Mon, 23 Mar

Lufthansa flights from London Heathrow Airport to Cairns

Our best Lufthansa deals on London Heathrow Airport 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
£1,012
Find similar
Lufthansa
4 Apr
LHR17:50London Heathrow
38h 10m
2 stops
CNS17:00Cairns
20 Apr
CNS18:15Cairns
23h 25m
2 stops
LHR08:40London Heathrow
£1,014
Find similar
Lufthansa
15 Mar
LHR20:15London Heathrow
59h 05m
2 stops
CNS17:20Cairns
19 Apr
CNS18:15Cairns
30h 25m
2 stops
LHR15:40London Heathrow
£1,040
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Qatar Airways flights from London Heathrow Airport to Cairns

Our best Qatar Airways deals on London Heathrow Airport to Cairns flight tickets
Qatar Airways
2 Mar
LHR14:15London Heathrow
38h 40m
2 stops
CNS14:55Cairns
24 Mar
CNS15:45Cairns
31h 35m
2 stops
LHR13:20London Heathrow
£1,126
Find similar
Qatar Airways
1 Mar
LHR21:30London Heathrow
31h 25m
2 stops
CNS14:55Cairns
24 Mar
CNS15:45Cairns
32h 15m
2 stops
LHR14:00London Heathrow
£1,152
Find similar
Qatar Airways
2 Mar
LHR21:30London Heathrow
31h 25m
2 stops
CNS14:55Cairns
27 Mar
CNS17:20Cairns
30h 00m
2 stops
LHR13:20London Heathrow
£1,175
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momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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 23 October 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Cairns that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Tue 30/12

21:00-09:20

2 stops50h 20m

Cairns

Sun 18/1

15:50-17:30

2 stops59h 40m

£829

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 28/12

21:00-22:05

2 stops39h 05m

Cairns

Sun 18/1

06:00-17:30

2 stops45h 30m

£910

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Tue 3/2

16:50-09:55

1 stop31h 05m

Cairns

Tue 17/2

11:25-06:30

1 stop29h 05m

£964

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Mon 29/12

19:50-09:55

2 stops52h 05m

Cairns

Thu 15/1

11:25-15:00

1 stop37h 35m

£1,054

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 15/3

09:10-17:20

1 stop22h 10m

Cairns

Sun 19/4

18:15-19:30

1 stop34h 15m

£1,128

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 15/3

09:10-17:20

1 stop22h 10m

Cairns

Sun 19/4

18:15-19:30

1 stop34h 15m

£1,131

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 1/3

20:10-15:10

2 stops33h 00m

Cairns

Wed 25/3

06:40-06:15

2 stops33h 35m

£1,160

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 1/3

20:10-15:10

2 stops33h 00m

Cairns

Sun 22/3

18:05-06:15

2 stops46h 10m

£1,161

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 18/3

18:40-17:20

2 stops36h 40m

Cairns

Sun 22/3

18:35-21:40

2 stops37h 05m

£1,162

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 4/3

20:05-17:20

3 stops35h 15m

Cairns

Mon 23/3

18:35-08:05

2 stops23h 30m

£1,172

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 Heathrow Airport 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 February is your next best option. Flight prices from London Heathrow Airport to Cairns during February average around £1,042.

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 £441. 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 Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £513.

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

Our data shows that the cheapest London Heathrow Airport 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 £1,394.

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

You are more likely to see cheaper flights to Cairns from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Cairns for around £1,253 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 Heathrow Airport for as low as £1,045 on momondo.

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

You could potentially save up to 4% on your flight if you consider stops on a London Heathrow Airport to Cairns flight.

How have London Heathrow Airport to Cairns flight prices changed over time?

As of October 2025, prices for London Heathrow Airport to Cairns flights are approximately 0% cheaper when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Cairns

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

Cheap London Heathrow Airport to Cairns (LHR to CNS) flight deals and tips

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

Direct flights

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

    London Heathrow and Cairns are 9411.6 mi apart from one another. Flights usually cover this in 20h 40m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from London Heathrow Airport to Cairns Airport refresh daily.

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

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

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

    The necessary travel and health documents for your Cairns Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from London Heathrow Airport to Cairns

Compare and see reviews for airlines that fly from London Heathrow Airport to Cairns with momondo
Airline
Rating
Free Cancellation
Price
SWISSPriceFrom £790Free CancellationRating
7.5
1,772 reviews
Search SWISS flights
Cathay PacificPriceFrom £793Free CancellationRating
7.6
1,038 reviews
Search Cathay Pacific flights
Singapore AirlinesPriceFrom £902Free CancellationRating
8.1
1,387 reviews
Search Singapore Airlines flights
Qantas AirwaysPriceFrom £1,138Free CancellationRating
7.5
922 reviews
Search Qantas Airways flights
Japan AirlinesPriceFrom £1,374Free CancellationRating
8.3
1,589 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?

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 Cairns from London.

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

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

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

momondo provides multiple filters to help you find the best flight to Cairns from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Cairns right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Cairns flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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