Cheap flights from Cairns to London from £413

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cairns to London departing on 21/5. 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
1 adult, Economy, 0 bags
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Cairns to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:45 - 07:00
CNS
-
LHR
33h 15m
2 stops
Multiple Airlines Logo
21:45 - 18:25
LHR
-
CNS
35h 40m
2 stops
£857Multiple Airlines
Mon, 11 May - Mon, 25 May
Multiple Airlines Logo
12:35 - 07:00
CNS
-
LHR
27h 25m
2 stops
Multiple Airlines Logo
09:30 - 22:40
LHR
-
CNS
28h 10m
2 stops
£912Multiple Airlines
Wed, 6 May - Wed, 13 May
Multiple Airlines Logo
12:35 - 15:05
CNS
-
LHR
35h 30m
2 stops
Multiple Airlines Logo
20:45 - 12:55
LHR
-
CNS
31h 10m
2 stops
£914Multiple Airlines
Mon, 11 May - Mon, 25 May
Emirates Logo
12:35 - 12:55
CNS
-
STN
33h 20m
2 stops
Emirates Logo
21:05 - 15:00
STN
-
CNS
32h 55m
2 stops
£1,034Emirates
Thu, 16 Apr - Thu, 30 Apr
Emirates Logo
12:35 - 12:35
CNS
-
LGW
33h 00m
2 stops
Emirates Logo
21:45 - 15:00
LGW
-
CNS
32h 15m
2 stops
£1,041Emirates
Thu, 16 Apr - Thu, 30 Apr
Singapore Airlines Logo
18:15 - 10:10
CNS
-
LGW
24h 55m
1 stop
Singapore Airlines Logo
10:05 - 17:00
LGW
-
CNS
21h 55m
1 stop
£1,114Singapore Airlines
Sun, 23 Aug - Mon, 21 Sep
SWISS Logo
18:15 - 12:35
CNS
-
LCY
27h 20m
2 stops
SWISS Logo
08:00 - 17:00
LCY
-
CNS
24h 00m
2 stops
£1,740SWISS
Sun, 23 Aug - Mon, 21 Sep
SWISS Logo
18:15 - 12:35
CNS
-
LCY
27h 20m
3 stops
SWISS Logo
19:15 - 17:00
LCY
-
CNS
36h 45m
3 stops
£2,577SWISS
Mon, 4 May - Mon, 11 May
KLM Logo
19:00 - 18:30
CNS
-
LCY
56h 30m
3 stops
KLM Logo
09:20 - 05:30
LCY
-
CNS
35h 10m
3 stops
£2,708KLM
Wed, 10 Jun - Sat, 18 Jul
KLM Logo
19:00 - 19:45
CNS
-
LCY
57h 45m
3 stops
KLM Logo
07:45 - 05:30
LCY
-
CNS
36h 45m
3 stops
£2,709KLM
Wed, 10 Jun - Sat, 18 Jul

Emirates flights from Cairns to London

Our best Emirates deals on Cairns to London flight tickets
Emirates
6 May
CNS12:35Cairns
33h 20m
2 stops
STN12:55London Stansted
13 May
STN14:55London Stansted
32h 45m
2 stops
CNS08:40Cairns
£1,042
Emirates
6 May
CNS12:35Cairns
33h 00m
2 stops
LGW12:35London Gatwick
13 May
LGW14:35London Gatwick
33h 05m
2 stops
CNS08:40Cairns
£1,049
Emirates
4 May
CNS18:20Cairns
36h 10m
2 stops
LGW21:30London Gatwick
11 May
LGW21:45London Gatwick
32h 15m
2 stops
CNS15:00Cairns
£1,052

Qatar Airways flights from Cairns to London

Our best Qatar Airways deals on Cairns to London flight tickets
Qatar Airways
22 Jun
CNS16:55Cairns
29h 20m
2 stops
LHR13:15London Heathrow
24 Aug
LHR10:50London Heathrow
27h 30m
2 stops
CNS23:20Cairns
£1,455
Qatar Airways
21 Jun
CNS16:55Cairns
53h 30m
2 stops
LGW13:25London Gatwick
23 Aug
LGW14:55London Gatwick
40h 00m
2 stops
CNS15:55Cairns
£1,551
Qatar Airways
21 Jun
CNS16:55Cairns
46h 45m
2 stops
LGW06:40London Gatwick
24 Aug
LGW08:10London Gatwick
42h 15m
2 stops
CNS11:25Cairns
£1,552

momondo 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, momondo users made 279,928 searches. Data last updated 22 March 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

Mon 11/5

06:45-07:00

2 stops33h 15m

London Heathrow

Mon 25/5

21:45-18:25

2 stops35h 40m

£857

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 6/5

12:35-07:00

2 stops27h 25m

London Heathrow

Wed 13/5

09:30-22:40

2 stops28h 10m

£912

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Mon 11/5

12:35-15:05

2 stops35h 30m

London Heathrow

Mon 25/5

20:45-12:55

2 stops31h 10m

£914

CairnsLondon

CNS - STN

CNSSTN

Cairns

Thu 16/4

12:35-12:55

2 stops33h 20m

London Stansted

Thu 30/4

21:05-15:00

2 stops32h 55m

£1,034

CairnsLondon

CNS - LGW

CNSLGW

Cairns

Thu 16/4

12:35-12:35

2 stops33h 00m

London Gatwick

Thu 30/4

21:45-15:00

2 stops32h 15m

£1,041
Fastest return journey

CairnsLondon

CNS - LGW

CNSLGW

Cairns

Sun 23/8

18:15-10:10

1 stop24h 55m

London Gatwick

Mon 21/9

10:05-17:00

1 stop21h 55m

£1,114

CairnsLondon

CNS - LCY

CNSLCY

Cairns

Sun 23/8

18:15-12:35

2 stops27h 20m

London City

Mon 21/9

08:00-17:00

2 stops24h 00m

£1,740

CairnsLondon

CNS - LCY

CNSLCY

Cairns

Mon 4/5

18:15-12:35

3 stops27h 20m

London City

Mon 11/5

19:15-17:00

3 stops36h 45m

£2,577

CairnsLondon

CNS - LCY

CNSLCY

Cairns

Wed 10/6

19:00-18:30

3 stops56h 30m

London City

Sat 18/7

09:20-05:30

3 stops35h 10m

£2,708

CairnsLondon

CNS - LCY

CNSLCY

Cairns

Wed 10/6

19:00-19:45

3 stops57h 45m

London City

Sat 18/7

07:45-05:30

3 stops36h 45m

£2,709

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to London from

How to get the cheapest flight ticket from Cairns to London

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 London?

The cheapest month to fly to London from Cairns is in February. Flight prices, which tend to average around £761, are often lower during this time because this is during the off-season. The month of March is another great option to travel to London, with average flight prices from Cairns averaging around £893.

What is the cheapest day to depart on your flight to London?

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £554. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Cairns to London for around £896.

Can stopping save me money on Cairns to London flights?

You could potentially save up to 1% on your flight if you consider stops on a Cairns to London flight.

How have Cairns to London flight prices changed over time?

As of March 2026, prices for Cairns to London flights are approximately 2% cheaper when compared to flights at the same time last year.

When to book flights from Cairns to London

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

Cheap Cairns to London (CNS to LON) flight deals and tips

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

Fastest flight time

23h 25m

Direct flights

None
The fastest flight from Cairns to London takes 23h 25m
There are no direct flights from Cairns to London. There are no popular flight routes from Cairns to London.
  • How far is Cairns to London by plane?

    London is 9399.3 mi away from Cairns. Typically, this will take 23h 25m by plane in normal conditions.

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

    Prices for flights from Cairns Airport to London refresh daily.

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

    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 Cairns Airport to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Southend-on-Sea
Ipswich
Wembley
Canterbury
Ilford
Guildford
Hayes
Chelmsford
Dover
Folkestone
Ramsgate
Chichester
Bedford
Worthing

Why use momondo?

Why should I use momondo to find a flight deal from Cairns to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Cairns to London. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Cairns to London flights to just show those with flexible booking policies.

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

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

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

Price alerts on flights to London from Cairns are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 21/4
Tue 28/4

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London