LHR - CNS

£451 Find Cheap Flights from London Heathrow Airport to Cairns – Compare and Save

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Everything you should know

Cheapest return flight
£906
Typical prices: £1,204-£1,645
Multiple Airlines
Mon 19/11Sun 2/12
LHR - CNS • 2 stops
Cheapest one-way flight
£451
Typical prices: £626-£882
Multiple Airlines
Sun 25/11
LHR - CNS • 2 stops
Direct flights
Not available
There are currently no direct flights between London Heathrow Airport and Cairns. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
14 weeks
in advance
Our data shows that travellers who book at least 14 weeks in advance save around 36% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 15% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Hong Kong Intl (HKG)
Cheapest • Avg £1,334 (return)
Singapore Changi (SIN)
Shortest trip • 24h 27m (one-way)
Insights
Insights
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We hope you enjoy your trip to Cairns!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Heathrow to Cairns (LHR-CNS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Heathrow to Cairns

Thu, 19 Nov - Wed, 2 Dec
Multiple Airlines Logo
21:00 - 09:00LHR  London Heathrow-CNS Cairns
50h 00m2 stops Shanghai Pu Dong Brisbane
Multiple Airlines Logo
06:00 - 06:25CNS  Cairns-LHR London Heathrow
34h 25m2 stops Brisbane Shanghai Pu Dong
£906Multiple Airlines
Wed, 25 Nov - Wed, 2 Dec
Multiple Airlines Logo
21:00 - 17:15LHR  London Heathrow-CNS Cairns
34h 15m2 stops Shanghai Pu Dong Brisbane
Multiple Airlines Logo
06:00 - 06:25CNS  Cairns-LHR London Heathrow
34h 25m2 stops Brisbane Shanghai Pu Dong
£920Multiple Airlines
Fri, 4 Dec - Mon, 7 Dec
Multiple Airlines Logo
21:00 - 21:15LHR  London Heathrow-CNS Cairns
38h 15m2 stops Shanghai Pu Dong Brisbane
Multiple Airlines Logo
06:00 - 06:25CNS  Cairns-LHR London Heathrow
34h 25m2 stops Brisbane Shanghai Pu Dong
£925Multiple Airlines
Tue, 2 Mar - Tue, 20 Jul
Singapore Airlines Logo
20:35 - 17:15LHR  London Heathrow-CNS Cairns
34h 40m1 stop Singapore Changi
Singapore Airlines Logo
18:00 - 15:45CNS  Cairns-LHR London Heathrow
30h 45m1 stop Singapore Changi
£1,065Singapore Airlines
Tue, 2 Mar - Sat, 12 Jun
Singapore Airlines Logo
20:35 - 17:15LHR  London Heathrow-CNS Cairns
34h 40m1 stop Singapore Changi
Singapore Airlines Logo
18:00 - 19:30CNS  Cairns-LHR London Heathrow
34h 30m1 stop Singapore Changi
£1,153Singapore Airlines
Sun, 6 Dec - Mon, 21 Dec
Qatar Airways Logo
16:00 - 10:15LHR  London Heathrow-CNS Cairns
56h 15m2 stops Doha Hamad Intl Sydney Kingsford Smith
Qatar Airways Logo
19:50 - 05:55CNS  Cairns-LHR London Heathrow
44h 05m2 stops Melbourne Doha Hamad Intl
£1,159Qatar Airways
Sat, 27 Feb - Wed, 3 Mar
Qatar Airways Logo
16:00 - 11:05LHR  London Heathrow-CNS Cairns
33h 05m2 stops Doha Hamad Intl Melbourne
Qatar Airways Logo
15:45 - 13:25CNS  Cairns-LHR London Heathrow
31h 40m2 stops Sydney Kingsford Smith Doha Hamad Intl
£1,175Qatar Airways
Mon, 5 Apr - Mon, 3 May
Singapore Airlines Logo
11:20 - 17:05LHR  London Heathrow-CNS Cairns
20h 45m1 stop Singapore Changi
Singapore Airlines Logo
18:00 - 08:00CNS  Cairns-LHR London Heathrow
47h 00m1 stop Singapore Changi
£1,223Singapore Airlines
Tue, 6 Apr - Mon, 3 May
Cathay Pacific Logo
22:15 - 11:50LHR  London Heathrow-CNS Cairns
28h 35m2 stops Hong Kong Intl Melbourne
Cathay Pacific Logo
17:00 - 15:15CNS  Cairns-LHR London Heathrow
31h 15m2 stops Melbourne Hong Kong Intl
£1,287Cathay Pacific
Wed, 7 Apr - Mon, 3 May
Cathay Pacific Logo
12:20 - 12:55LHR  London Heathrow-CNS Cairns
39h 35m2 stops Hong Kong Intl Sydney Kingsford Smith
Cathay Pacific Logo
17:00 - 18:10CNS  Cairns-LHR London Heathrow
34h 10m2 stops Melbourne Hong Kong Intl
£1,323Cathay Pacific
Booking Insights

Price, demand, and travel trends for London Heathrow Airport to Cairns flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from London Heathrow Airport to Cairns?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from London Heathrow Airport to Cairns. It's 10% cheaper than the average day, while Friday is the most expensive, with prices 19% higher.

What is the cheapest month to fly from London Heathrow Airport to Cairns?

•February is the cheapest month to fly from London Heathrow Airport to Cairns at £1,180 return.
•July (£1,815) and December (£1,617) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 53% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from London Heathrow Airport to Cairns the cheapest?

Flights from London Heathrow Airport to Cairns are cheapest 14 weeks before departure. Booking in this window typically costs about 36% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for London Heathrow Airport to Cairns flights

Low season

April

Cheapest flight

£451
Beat the crowds with an average 39% drop in traveller numbers.
The most popular month to fly with an average 83% increase in traveller numbers.
One-way flight from London Heathrow Airport to Cairns

When to book flights from Heathrow to Cairns

Are your dates flexible? Find out the best times to travel from Heathrow to Cairns based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your London Heathrow Airport to Cairns flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Which cabin classes can I book on flights from London Heathrow Airport to Cairns?

    Three cabin classes are available on flights from London Heathrow Airport to Cairns:

    • Economy class
    • Premium Economy Class
    • Business Class

  • How long is a flight from London Heathrow Airport to Cairns?

    A direct flight from London Heathrow Airport to Cairns takes 00m, covering 9,409 miles.

  • Do I need a passport to fly from London Heathrow Airport to Cairns?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a London Heathrow Airport to Cairns flight?

    Return flights from London Heathrow Airport to Cairns range from £1,204 to £1,645, with an average of £1,385 over the past 12 months. Anything below £1,204 counts as a good deal.

  • How expensive are last-minute London Heathrow Airport to Cairns flights?

    Last-minute fares on this route (booked within two weeks of departure) run 12% above the £1,385 route average. Book 14 weeks before departure for the lowest fares.

  • How are flight prices from London Heathrow Airport to Cairns looking right now?

    One-way fares from London Heathrow Airport to Cairns are currently lower than usual. Average one-way flight prices are about £718, which is 6% below the typical average for this route.

  • Which car hire options are available at Cairns Airport (CNS)?

    Cairns Airport (CNS) hosts 5 major car hire companies, with daily rates starting from around £9 for economy cars. Top options include:

    • Bargain Car Rentals
    • East Coast Car Rentals
    • Simba Car Hire
    • Europcar
    • Ace Rental Cars

  • Which airports can I use when flying from London Heathrow Airport to Cairns?

    Flights from London Heathrow Airport to Cairns usually depart from London Heathrow (LHR) and arrive at Cairns (CNS).

  • Which airports do connecting flights from London Heathrow Airport to Cairns pass through?

    One-stop flights from London Heathrow Airport to Cairns most commonly connect through:

    • Singapore Changi (SIN) – 88% of one-stop connections
    • Hong Kong Intl (HKG) – 9% of one-stop connections
    • Perth (PER) – 3% of one-stop connections
    • Sydney Kingsford Smith (SYD) – 1% of one-stop connections

  • Can I save money by using flexible dates for flights from London Heathrow Airport to Cairns?

    Yes. Flexible dates can save you up to 25% on flights from London Heathrow Airport to Cairns. Saturday is the cheapest departure day at £1,250 return on average, while Friday is the most expensive at £1,661, a difference of £411.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different stopover airport from London Heathrow Airport to Cairns?

    Flying via Singapore Changi (SIN) gives the shortest average 1-stop total travel time of 24h 27m, compared to 25h 41m via Perth (PER) and 27h 40m via Hong Kong Intl (HKG).

  • What is the time difference between London Heathrow Airport and Cairns?

    Cairns is 10 hours ahead of London Heathrow Airport (Eastern Australia Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking London Heathrow Airport to Cairns flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Friday. On this route, Saturday flights average £1,250, about £411 less than Friday fares (25% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 14 weeks before you fly. On this route, that window historically saves about 36% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your London Heathrow Airport to Cairns trip for February. Fares historically average £1,180 return in that month – typically £635 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Cairns Airport.

    • Cairns Sheridan Hotel

More options for your flight from Heathrow to Cairns

Complete your trip to Cairns with a hotel stay or car hire

Car hire in Cairns
Hotels in Cairns
Holidays in Cairns