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Cheap flights from London Heathrow Airport to Cairns from £443

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 17/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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 - 17:15
LHR
-
CNS
34h 15m
2 stops
Multiple Airlines Logo
18:40 - 17:30
CNS
-
LHR
56h 50m
2 stops
£794Multiple Airlines
Mon, 9 Mar - Sat, 14 Mar
Multiple Airlines Logo
21:00 - 17:15
LHR
-
CNS
34h 15m
2 stops
Multiple Airlines Logo
06:00 - 17:30
CNS
-
LHR
45h 30m
2 stops
£795Multiple Airlines
Wed, 18 Mar - Wed, 25 Mar
Multiple Airlines Logo
21:00 - 08:20
LHR
-
CNS
49h 20m
2 stops
Multiple Airlines Logo
06:40 - 17:30
CNS
-
LHR
44h 50m
2 stops
£801Multiple Airlines
Mon, 2 Mar - Mon, 9 Mar
Cathay Pacific Logo
20:15 - 16:55
LHR
-
CNS
35h 40m
2 stops
Cathay Pacific Logo
15:35 - 15:15
CNS
-
LHR
32h 40m
2 stops
£813Cathay Pacific
Wed, 15 Apr - Wed, 13 May
Multiple Airlines Logo
21:00 - 17:15
LHR
-
CNS
34h 15m
2 stops
Multiple Airlines Logo
06:40 - 17:30
CNS
-
LHR
44h 50m
2 stops
£815Multiple Airlines
Mon, 16 Mar - Mon, 23 Mar
Multiple Airlines Logo
22:00 - 22:40
LHR
-
CNS
39h 40m
2 stops
Multiple Airlines Logo
11:00 - 19:30
CNS
-
LHR
41h 30m
2 stops
£835Multiple Airlines
Wed, 1 Apr - Tue, 21 Apr
Multiple Airlines Logo
21:00 - 23:05
LHR
-
CNS
40h 05m
2 stops
Multiple Airlines Logo
06:00 - 18:40
CNS
-
LHR
45h 40m
2 stops
£845Multiple Airlines
Sat, 14 Mar - Sat, 4 Apr
Multiple Airlines Logo
17:50 - 16:50
LHR
-
CNS
37h 00m
2 stops
Multiple Airlines Logo
15:35 - 15:00
CNS
-
LHR
33h 25m
2 stops
£851Multiple Airlines
Tue, 3 Mar - Tue, 10 Mar
Multiple Airlines Logo
21:20 - 11:15
LHR
-
CNS
52h 55m
2 stops
Multiple Airlines Logo
21:40 - 18:40
CNS
-
LHR
54h 00m
2 stops
£872Multiple Airlines
Sat, 30 May - Mon, 15 Jun
Multiple Airlines Logo
21:00 - 09:20
LHR
-
CNS
50h 20m
2 stops
Multiple Airlines Logo
09:45 - 17:30
CNS
-
LHR
41h 45m
2 stops
£873Multiple Airlines
Fri, 13 Mar - Sat, 21 Mar

Cathay Pacific flights from London Heathrow Airport to Cairns

Our best Cathay Pacific deals on London Heathrow Airport to Cairns flight tickets
Cathay Pacific
15 Apr
LHR20:15London Heathrow
35h 40m
2 stops
CNS16:55Cairns
13 May
CNS15:35Cairns
32h 40m
2 stops
LHR15:15London Heathrow
£813
Cathay Pacific
15 Apr
LHR20:15London Heathrow
35h 40m
2 stops
CNS16:55Cairns
13 May
CNS15:35Cairns
35h 35m
2 stops
LHR18:10London Heathrow
£895
Cathay Pacific
15 Apr
LHR18:20London Heathrow
37h 35m
2 stops
CNS16:55Cairns
13 May
CNS15:35Cairns
32h 40m
2 stops
LHR15:15London Heathrow
£900

Singapore Airlines flights from London Heathrow Airport to Cairns

Our best Singapore Airlines deals on London Heathrow Airport to Cairns flight tickets
Singapore Airlines
5 Mar
LHR21:45London Heathrow
57h 35m
1 stop
CNS17:20Cairns
18 Mar
CNS18:35Cairns
34h 35m
1 stop
LHR19:10London Heathrow
£989
Singapore Airlines
4 May
LHR20:35London Heathrow
35h 25m
1 stop
CNS17:00Cairns
25 May
CNS18:15Cairns
34h 15m
1 stop
LHR19:30London Heathrow
£1,005
Singapore Airlines
16 Mar
LHR10:40London Heathrow
44h 40m
1 stop
CNS17:20Cairns
23 Mar
CNS18:35Cairns
30h 45m
1 stop
LHR15:20London Heathrow
£1,036

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 1 February 2026.
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

Mon 9/3

21:00-17:15

2 stops34h 15m

Cairns

Sat 14/3

18:40-17:30

2 stops56h 50m

£794

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 18/3

21:00-17:15

2 stops34h 15m

Cairns

Wed 25/3

06:00-17:30

2 stops45h 30m

£795

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Mon 2/3

21:00-08:20

2 stops49h 20m

Cairns

Mon 9/3

06:40-17:30

2 stops44h 50m

£801

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 15/4

20:15-16:55

2 stops35h 40m

Cairns

Wed 13/5

15:35-15:15

2 stops32h 40m

£813

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Mon 16/3

21:00-17:15

2 stops34h 15m

Cairns

Mon 23/3

06:40-17:30

2 stops44h 50m

£815

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 1/4

22:00-22:40

2 stops39h 40m

Cairns

Tue 21/4

11:00-19:30

2 stops41h 30m

£835

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sat 14/3

21:00-23:05

2 stops40h 05m

Cairns

Sat 4/4

06:00-18:40

2 stops45h 40m

£845

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Tue 3/3

17:50-16:50

2 stops37h 00m

Cairns

Tue 10/3

15:35-15:00

2 stops33h 25m

£851

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sat 30/5

21:20-11:15

2 stops52h 55m

Cairns

Mon 15/6

21:40-18:40

2 stops54h 00m

£872

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Fri 13/3

21:00-09:20

2 stops50h 20m

Cairns

Sat 21/3

09:45-17:30

2 stops41h 45m

£873

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 February, then May is your next best option. Flight prices from London Heathrow Airport to Cairns during May average around £1,057.

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 £429. 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 £499.

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 £1,222 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 £930 on momondo.

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

You could potentially save up to 13% 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 February 2026, prices for London Heathrow Airport to Cairns flights are approximately 20% more expensive 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

Fastest flight time

27h 40m

Direct flights

None
The fastest flight from London Heathrow Airport to Cairns takes 27h 40m
There are no direct flights from London Heathrow Airport to Cairns. There are no popular flight routes from London Heathrow Airport to Cairns.
Search flight deals

  • 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 27h 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
Cathay PacificPriceFrom £798Free CancellationRating
7.6
1,153 reviews
Search Cathay Pacific flights
Singapore AirlinesPriceFrom £906Free CancellationRating
8.2
1,443 reviews
Search Singapore Airlines flights
Qantas AirwaysPriceFrom £1,113Free CancellationRating
7.5
982 reviews
Search Qantas Airways 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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