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Cheap flights from London to Cairns from $837

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
LON — CNS
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London to Cairns are usually found in May or September, booked 53 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from London to Cairns

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Cairns (CNS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 7 November 2025.

Round-trip from

$1,491

One-way from

$837

Popular in

July

Cheapest in

May

Average price

$2,413
27/11-4/12
  • 27/11-4/12
  • 6 total stops
  • 114h 45m total
  • London to Cairns
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9/12
  • 9/12
  • 3 total stops
  • 57h 25m total
  • London to Cairns
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($490 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($147 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find flight deals from London to Cairns

Enter your travel dates to find the best prices.

Cheapest flights from London to Cairns
Explore the most affordable flight options available from London to Cairns. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 November 2025.

Thu 27/1110:30LGW - CNS
3 stops60h 00mMultiple Airlines
Thu 4/1209:45CNS - LGW
3 stops54h 45mMultiple Airlines
Deal found 6/11$1,491
Sat 6/1210:30LGW - CNS
3 stops60h 00mMultiple Airlines
Sat 13/1209:45CNS - LGW
3 stops54h 45mMultiple Airlines
Deal found 6/11$1,754
Mon 10/1121:00LHR - CNS
2 stops39h 05mMultiple Airlines
Thu 4/1209:45CNS - LHR
3 stops41h 45mMultiple Airlines
Deal found 7/11$1,757
Thu 27/1110:25LHR - CNS
2 stops33h 20mMultiple Airlines
Thu 4/1209:45CNS - LHR
3 stops63h 40mMultiple Airlines
Deal found 6/11$1,934
Mon 1/1210:30LGW - CNS
2 stops50h 35mMultiple Airlines
Sun 21/1206:00CNS - LGW
2 stops42h 00mMultiple Airlines
Deal found 5/11$2,077
Thu 27/1108:05STN - CNS
3 stops35h 40mMultiple Airlines
Thu 4/1206:40CNS - STN
3 stops43h 20mMultiple Airlines
Deal found 6/11$2,107
Sat 6/1216:50LHR - CNS
2 stops38h 00mCathay Pacific
Sat 13/1211:25CNS - LHR
1 stop28h 00mCathay Pacific
Deal found 6/11$2,299
Sat 6/1222:05LHR - CNS
2 stops32h 10mMultiple Airlines
Sat 13/1211:25CNS - LHR
2 stops37h 15mMultiple Airlines
Deal found 6/11$2,391
Thu 27/1120:15STN - CNS
2 stops28h 30mEmirates
Thu 4/1211:35CNS - STN
2 stops34h 30mEmirates
Deal found 6/11$2,462
Wed 17/1221:00LHR - CNS
2 stops35h 45mMultiple Airlines
Thu 29/106:40CNS - LHR
2 stops44h 50mMultiple Airlines
Deal found 7/11$2,542
Sat 6/1214:05STN - CNS
3 stops32h 25mMultiple Airlines
Sat 13/1209:45CNS - STN
3 stops36h 20mMultiple Airlines
Deal found 6/11$2,735
Wed 17/1207:40STN - CNS
3 stops34h 55mMultiple Airlines
Thu 29/106:40CNS - STN
3 stops43h 20mMultiple Airlines
Deal found 7/11$2,810

Cheapflights 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, Cheapflights users made 647,157 searches. Data last updated 7 November 2025.
Use the filters below to find and compare flights from London to Cairns that are best for you.

Fly from

London

Fly to

Cairns

Route

Depart

Return

Price

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sat 7/3

21:00-08:20

2 stops49h 20m

Cairns

Sun 22/3

09:45-17:30

2 stops41h 45m

$1,647

LondonCairns

LGW - CNS

LGWCNS

London Gatwick

Mon 23/2

17:00-05:45

2 stops50h 45m

Cairns

Sun 15/3

09:45-06:30

3 stops54h 45m

$1,648

LondonCairns

LGW - CNS

LGWCNS

London Gatwick

Sat 7/3

17:00-11:20

2 stops56h 20m

Cairns

Sun 22/3

06:00-14:00

2 stops42h 00m

$1,668

LondonCairns

LGW - CNS

LGWCNS

London Gatwick

Fri 6/3

17:00-17:15

2 stops38h 15m

Cairns

Sun 22/3

06:00-14:00

2 stops42h 00m

$1,696

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sat 31/1

20:05-09:55

2 stops51h 50m

Cairns

Sun 22/2

18:35-08:05

2 stops23h 30m

$1,751

LondonCairns

LGW - CNS

LGWCNS

London Gatwick

Sat 6/12

10:30-05:45

2 stops57h 15m

Cairns

Sat 13/12

09:45-06:30

3 stops54h 45m

$1,754

LondonCairns

LGW - CNS

LGWCNS

London Gatwick

Sun 22/3

17:00-17:15

2 stops38h 15m

Cairns

Wed 29/4

06:00-06:40

2 stops33h 40m

$1,814

LondonCairns

LGW - CNS

LGWCNS

London Gatwick

Thu 27/11

10:30-17:15

2 stops44h 45m

Cairns

Thu 4/12

06:00-14:00

2 stops42h 00m

$1,834

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Tue 31/3

20:25-17:00

2 stops59h 35m

Cairns

Thu 30/4

11:40-07:55

2 stops53h 15m

$1,908

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 25/3

18:40-17:20

2 stops36h 40m

Cairns

Wed 29/4

18:15-08:40

2 stops23h 25m

$1,933

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 60 results
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Best time to book a flight from London to Cairns

Have a flexible travel schedule? Discover the best time to fly to Cairns from London with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Cairns

How far ahead should I book a flight from London to Cairns?

Use this chart to determine the optimal time to book a return flight from London to Cairns. Price data was last updated on 31 October 2025.

The price you pay for your flight from London to Cairns may vary depending on when you book. For the best chance of a lower fare, look to book 52 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from London to Cairns?

Currently, June is the cheapest month in which you can book a flight from London to Cairns (average of $1,624). Flying from London to Cairns in December is currently the most expensive (average of $2,271). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from London to Cairns?

What’s the top stopover airport for flights from London to Cairns?

Share of one-stop return flights from London to Cairns chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Singapore (SIN) – chosen by Cheapflights users on 57% of one-stop itineraries from London to Cairns on Cheapflights.

What’s the cheapest stopover airport for flights from London to Cairns?

Average return fare for one-stop flights from London to Cairns, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Hong Kong (HKG) is the most affordable one-stop option, with an average return flight price of $1,674.

What’s the fastest stopover option from London to Cairns?

Shortest average travel time for one-stop one-way flights from London to Cairns, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Hong Kong (HKG) have the shortest average one-way travel time for one-stop routes: 26h 25m.

Which airport typically offers the quickest stopover for flights from London to Cairns?

Average stopover duration for one-stop one-way flights from London to Cairns, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Hong Kong (HKG) offer the fastest connection on this route, with an average stopover time of 6h 00m.

Related info for your journey

Find useful and relevant information for your journey from London to Cairns. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Cairns from London?

    If you book a flight to Cairns from London, you will be flying to Cairns, which is the city’s only airport. Cairns (CNS) is located 4.4 km from the centre of Cairns. There are 0 flights from London to Cairns per day from 0 different airlines.

  • How long is the flight from London to Cairns?

    Departing from London to Cairns will take you 28h 30m. London and Cairns are separated by a distance of 15076 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from London to Cairns?

    The most popular flight routes from London to Cairns are London Heathrow - Cairns, London Gatwick - Cairns and London Stansted - Cairns.

  • Can I find deals for flights from London to Cairns that include hotel bookings?

    Yes. In addition to deals on London to Cairns flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Cairns?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Cairns.

  • Can I find deals for business class flights from London to Cairns?

    Yes. Cheapflights offers flight deals from London to Cairns by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London to Cairns?

    Currently, June is the cheapest month in which you can book a flight from London to Cairns (average of $1,624). Flying from London to Cairns in December is currently the most expensive (average of $2,271). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Cairns?

Book flights to Cairns if you plan to visit one of these locations
Mission Beach
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Certainly. Search results for flights to Cairns from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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