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Cheap flights from London to Cairns from $870

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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — CNS
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London to Cairns are usually found in May or September, booked 30 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap 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 5 December 2025.

Wed 31/1219:50LHR - CNS
2 stops52h 05mCathay Pacific
Tue 20/111:25CNS - LHR
1 stop39h 55mCathay Pacific
Deal found 4/12$2,099
Fri 5/1217:00LGW - CNS
3 stops53h 30mMultiple Airlines
Fri 12/1209:45CNS - LGW
3 stops38h 15mMultiple Airlines
Deal found 4/12$2,612
Fri 5/1211:00LHR - CNS
3 stops35h 30mMultiple Airlines
Fri 12/1209:45CNS - LHR
3 stops63h 15mMultiple Airlines
Deal found 4/12$2,657
Fri 5/1207:30STN - CNS
3 stops36h 30mMultiple Airlines
Fri 12/1219:15CNS - STN
3 stops31h 20mMultiple Airlines
Deal found 4/12$3,058
Wed 31/1208:35LHR - CNS
2 stops29h 20mMultiple Airlines
Tue 20/109:45CNS - LHR
3 stops46h 10mMultiple Airlines
Deal found 4/12$3,062
Mon 22/1208:45LHR - CNS
2 stops35h 15mMultiple Airlines
Tue 13/111:25CNS - LHR
2 stops31h 20mMultiple Airlines
Deal found 3/12$3,079
Mon 15/1214:25LHR - CNS
2 stops57h 30mCathay Pacific
Sat 10/111:25CNS - LHR
1 stop37h 35mCathay Pacific
Deal found 4/12$3,385
Mon 22/1211:35LHR - CNS
2 stops60h 20mCathay Pacific
Tue 13/111:25CNS - LHR
1 stop37h 35mCathay Pacific
Deal found 3/12$3,456
Sat 13/1209:40LGW - CNS
2 stops44h 35mEmirates
Mon 12/115:35CNS - LGW
2 stops49h 05mEmirates
Deal found 4/12$4,106
Sat 13/1220:15STN - CNS
2 stops34h 00mEmirates
Mon 12/115:35CNS - STN
2 stops36h 20mEmirates
Deal found 3/12$4,280
Fri 5/1209:20LCY - CNS
3 stops34h 25mKLM
Fri 12/1219:15CNS - LCY
3 stops56h 05mKLM
Deal found 4/12$4,661
Sat 13/1208:40LGW - CNS
3 stops37h 50mMultiple Airlines
Mon 12/115:45CNS - LGW
2 stops48h 10mMultiple Airlines
Deal found 3/12$4,735

Find 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 5 December 2025.

Round-trip from

$1,670

One-way from

$870

Popular in

December

Cheapest in

May

Average price

$3,487
2/5-17/5
  • 2/5-17/5
  • 5 total stops
  • 84h 05m total
  • London to Cairns
Search Deals
15/3
  • 15/3
  • 3 total stops
  • 52h 05m total
  • London to Cairns
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($426 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($142 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 5 December 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

LCY - CNS

LCYCNS

London City

Tue 24/2

19:10-09:55

2 stops28h 45m

Cairns

Wed 4/3

18:35-08:40

2 stops24h 05m

$1,782

LondonCairns

LGW - CNS

LGWCNS

London Gatwick

Tue 7/4

06:00-04:30

3 stops37h 30m

Cairns

Tue 28/4

06:45-14:10

3 stops40h 25m

$1,839

LondonCairns

LGW - CNS

LGWCNS

London Gatwick

Sat 24/1

10:30-11:20

2 stops62h 50m

Cairns

Sun 1/2

15:50-06:30

2 stops48h 40m

$1,845

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Tue 27/1

06:00-09:55

2 stops41h 55m

Cairns

Sun 15/3

18:35-08:05

2 stops23h 30m

$1,877

LondonCairns

LGW - CNS

LGWCNS

London Gatwick

Mon 12/1

17:00-05:45

2 stops50h 45m

Cairns

Fri 23/1

19:15-14:00

2 stops28h 45m

$1,971

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Tue 24/2

11:00-09:55

1 stop36h 55m

Cairns

Wed 4/3

11:45-15:00

2 stops37h 15m

$2,063

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Mon 26/1

09:10-17:20

1 stop46h 10m

Cairns

Sun 8/2

18:35-19:10

1 stop34h 35m

$2,138

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Thu 22/1

20:15-09:55

1 stop27h 40m

Cairns

Fri 22/5

12:35-18:15

2 stops38h 40m

$2,138

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 25/1

20:15-09:55

1 stop27h 40m

Cairns

Sat 14/3

12:35-15:00

2 stops60h 25m

$2,170

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 15/3

09:10-17:20

1 stop22h 10m

Cairns

Sun 19/4

18:15-15:45

1 stop54h 30m

$2,178

Flights are sorted by cheapest return flights first.

Deals found on 3/12

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 28 November 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 30 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 $1,538). Flying from London to Cairns in December is currently the most expensive (average of $2,217). 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.

Hong Kong (HKG) – chosen by Cheapflights users on 60% 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 $1,645.

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.

How often are flights from London to Cairns delayed?

About 12% of weekly flights between London and Cairns have experienced delays in the past year, with the average delay time being 99 minutes.

What is the most punctual flight time for London to Cairns flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Cairns flights?

Over the past year, China Eastern have had the lowest number of delays on this route, with just 10% of flights being delayed.

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 27h 40m. London and Cairns are separated by a distance of 15142 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 Stansted - Cairns and London Gatwick - 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 $1,538). Flying from London to Cairns in December is currently the most expensive (average of $2,217). 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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Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to Cairns. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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Can Cheapflights find flights from London to Cairns with no change fees?

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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