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Cheap flights from Cairns to London from $817

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 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — LON
31 Jul — 7 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cairns to London

Enter your travel dates to find the best prices.

Cheapest flights from Cairns to London
Explore the most affordable flight options available from Cairns to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2026.

Mon 2/1118:20
CNS
-
LHR
1 stop34h 50m
Singapore Airlines
Mon 30/1120:35
LHR
-
CNS
1 stop34h 45m
Singapore Airlines
Deal found 30/6$1,693
Mon 2/1118:20
CNS
-
LHR
1 stop34h 50m
Singapore Airlines
Wed 25/1120:35
LHR
-
CNS
1 stop34h 45m
Singapore Airlines
Deal found 27/6$1,695
Mon 2/1118:20
CNS
-
LGW
1 stop24h 40m
Singapore Airlines
Mon 30/1113:00
LGW
-
CNS
1 stop42h 20m
Singapore Airlines
Deal found 30/6$1,708
Thu 6/806:00
CNS
-
LGW
2 stops33h 40m
Multiple Airlines
Wed 19/818:00
LGW
-
CNS
2 stops44h 20m
Multiple Airlines
Deal found 30/6$1,736
Mon 17/806:00
CNS
-
LGW
2 stops33h 40m
Multiple Airlines
Tue 1/922:00
LGW
-
CNS
2 stops40h 20m
Multiple Airlines
Deal found 28/6$1,764
Mon 16/1118:20
CNS
-
LHR
1 stop34h 50m
Singapore Airlines
Mon 30/1121:45
LHR
-
CNS
1 stop33h 35m
Singapore Airlines
Deal found 28/6$1,764
Tue 4/806:00
CNS
-
LGW
2 stops46h 10m
Multiple Airlines
Thu 27/818:00
LGW
-
CNS
2 stops42h 00m
Multiple Airlines
Deal found 30/6$1,772
Wed 30/918:15
CNS
-
LHR
1 stop34h 15m
Singapore Airlines
Tue 3/1121:45
LHR
-
CNS
1 stop57h 35m
Singapore Airlines
Deal found 27/6$1,772
Mon 3/806:00
CNS
-
LGW
2 stops33h 40m
Multiple Airlines
Mon 24/822:00
LGW
-
CNS
2 stops34h 10m
Multiple Airlines
Deal found 29/6$1,787
Tue 4/806:00
CNS
-
LHR
2 stops45h 40m
Multiple Airlines
Thu 27/821:20
LHR
-
CNS
2 stops38h 40m
Multiple Airlines
Deal found 30/6$1,829
Thu 6/806:00
CNS
-
LHR
2 stops45h 40m
Multiple Airlines
Wed 19/821:20
LHR
-
CNS
2 stops41h 00m
Multiple Airlines
Deal found 30/6$1,849
Mon 2/1118:20
CNS
-
LGW
1 stop24h 40m
Singapore Airlines
Wed 25/1113:00
LGW
-
CNS
1 stop42h 20m
Singapore Airlines
Deal found 27/6$1,867

Find flight deals from Cairns to London

Discover tips and strategies to find the most affordable flight options for your journey from Cairns (CNS) to London (LON). 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 1 July 2026.

Round-trip from

$1,693

One-way from

$817

Popular in

July

Cheapest in

February

Average price

$2,973
Singapore Airlines
  • Singapore Airlines
  • 2/11-30/11
  • 2 total stops
  • 69h 35m total
  • Cairns to London
Search Deals
19/8
  • 19/8
  • 2 total stops
  • 42h 00m total
  • Cairns to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($578 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($101 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cairns to London 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 1 July 2026.
Use the filters below to find and compare flights from Cairns to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 30/9

18:15-15:45

1 stop30h 30m

London Heathrow

Tue 3/11

21:45-17:20

1 stop57h 35m

$1,814

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Mon 2/11

13:55-15:25

2 stops35h 30m

London Heathrow

Wed 25/11

21:25-22:40

2 stops39h 15m

$1,922

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Mon 2/11

17:40-15:25

2 stops31h 45m

London Heathrow

Mon 30/11

21:25-19:20

2 stops35h 55m

$1,922

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Mon 16/11

17:40-15:25

2 stops31h 45m

London Heathrow

Mon 30/11

21:25-16:55

2 stops33h 30m

$1,923

CairnsLondon

CNS - LGW

CNSLGW

Cairns

Wed 30/9

18:15-06:55

1 stop21h 40m

London Gatwick

Tue 3/11

13:00-17:20

1 stop66h 20m

$1,949

CairnsLondon

CNS - STN

CNSSTN

Cairns

Mon 2/11

14:55-12:05

2 stops31h 10m

London Stansted

Mon 30/11

20:15-10:45

2 stops28h 30m

$2,107

CairnsLondon

CNS - STN

CNSSTN

Cairns

Wed 4/11

13:55-17:55

2 stops38h 00m

London Stansted

Sun 8/11

14:05-10:45

2 stops34h 40m

$2,189

CairnsLondon

CNS - STN

CNSSTN

Cairns

Mon 17/8

17:25-18:45

2 stops34h 20m

London Stansted

Tue 1/9

14:55-08:40

2 stops32h 45m

$2,194

CairnsLondon

CNS - LGW

CNSLGW

Cairns

Wed 18/11

11:35-20:50

2 stops43h 15m

London Gatwick

Sun 22/11

20:25-10:45

2 stops28h 20m

$2,196

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 4/11

09:25-06:15

2 stops54h 50m

London Heathrow

Sun 8/11

20:10-10:45

2 stops28h 35m

$2,247

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 55 resultsSorted by cheapest first
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Best time to book a flight from Cairns to London

Have a flexible travel schedule? Discover the best time to fly to London from Cairns 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 Cairns to London

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

Currently, October is the cheapest month in which you can book a flight from Cairns to London (average of $1,221). Flying from Cairns to London in January is currently the most expensive (average of $1,787). 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 Cairns to London?

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

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

Singapore (SIN) – chosen by Cheapflights users on 98% of one-stop itineraries from Cairns to London on Cheapflights.

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

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

Singapore (SIN) is the most affordable one-stop option, with an average return flight price of $2,134.

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

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

Flights via Singapore (SIN) have the shortest average one-way travel time for one-stop routes: 21h 50m.

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

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

Flights via Singapore (SIN) offer the fastest connection on this route, with an average stopover time of 1h 35m.

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

Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Cairns to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 1 July 2026.
Read through reviews of airlines operating flights from Cairns to London, such as Singapore Airlines,Emirates, andCathay Pacific. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very Good
1,557 reviews
Check prices

Boarding

8.3

Entertainment

8.1

Food

7.8

Overall

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
Singapore Airlines
8.2
Very Good
1,557 reviews
Singapore Airlines
8.2
Very Good
1,557 reviews
Check prices

Boarding

8.3

Entertainment

8.1

Food

7.8

Overall

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
Emirates
8.1
Very Good
3,605 reviews
Singapore Airlines
8.2
Very Good
1,557 reviews
Check prices

Boarding

8.3

Entertainment

8.1

Food

7.8

Overall

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
Cathay Pacific
7.6
Good
1,401 reviews
Singapore Airlines
8.2
Very Good
1,557 reviews
Check prices

Boarding

8.3

Entertainment

8.1

Food

7.8

Overall

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
Qantas Airways
7.5
Good
1,054 reviews
Singapore Airlines
8.2
Very Good
1,557 reviews
Check prices

Boarding

8.3

Entertainment

8.1

Food

7.8

Overall

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
Lufthansa
6.8
Okay
8,107 reviews
Singapore Airlines
8.2
Very Good
1,557 reviews
Check prices

Boarding

8.3

Entertainment

8.1

Food

7.8

Overall

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Related info for your journey

Find useful and relevant information for your journey from Cairns to London. 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 from for flights from Cairns to London?

    Most people fly from Cairns (CNS) if they book a flight from Cairns to London. On average, Cairns has 0 outbound flights to London per day from 2 airlines. Cairns is conveniently located just 4.4 km from Cairns’s city centre.

  • How long is the flight from Cairns to London?

    Singapore Airlines and Emirates can get you from Cairns to London in just under 30h 30m. Your travel time can differ by up to 40m. There are 15142 km between Cairns and London. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Cairns to London round-trip?

    Our cheapest airline available from Cairns to London is Singapore Airlines. Our recent data shows that you can find tickets from as low as $1,495 on this airline. An additional option worth looking into is Qantas Airways, starting at $2,160. You may be able to fly from Cairns to London for 32% less than the average price by searching for these airlines.

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

    The most popular route from Cairns to London is Cairns - London Heathrow. You may also consider Cairns - London Gatwick or Cairns - London Stansted.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Cairns to London 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 Cairns to London?

    Currently, October is the cheapest month in which you can book a flight from Cairns to London (average of $1,221). Flying from Cairns to London in January is currently the most expensive (average of $1,787). 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 London?

Book flights to London if you plan to visit one of these locations
Hounslow
Milton Keynes
Kingston upon Thames
St. Albans
Horsham
Luton
Dover
Aylesbury
Guildford
Stansted
Braintree
Brentford
Gatwick
Chertsey
Orpington
Teddington

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Fly from Cairns to London on these airlines

Choose from the following airlines for your flight from Cairns to London. Flights are based on user searches made on Cheapflights and were last updated on 1 July 2026.
Singapore Airlines flights from Cairns to London
Emirates flights from Cairns to London

Top 2 airlines flying from Cairns to London

Discover the top 2 airlines that operate flights from Cairns to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 1 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$1,495Average$1,956FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Qantas AirwaysCheapest$2,160Average$2,527FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Cairns to London?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Cairns to London. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Cairns to London?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from Cairns.

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

Yes, we can. To see specific flights from Cairns to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Cairns to London become cheaper?

Not ready to book yet? You can track prices for flights from Cairns to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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