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Cheap Flights from Cairns to London Heathrow

Compare Cairns to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

Book the best London Heathrow fare with no extra fees

Flight deals from Cairns to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Cairns to London Heathrow? Find the lowest prices on one-way and return tickets right here.
London.R 8,087 per passenger.Departing Wed, 28 Jan.One-way flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departs from Cairns on Wed, 28 Jan, arriving in London Heathrow.Price includes taxes and charges.From R 8,087, select.
London.R 8,087 per passenger.Departing Sun, 12 Oct.One-way flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departs from Cairns on Sun, 12 Oct, arriving in London Heathrow.Price includes taxes and charges.From R 8,087, select.
London.R 8,115 per passenger.Departing Mon, 2 Feb.One-way flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departs from Cairns on Mon, 2 Feb, arriving in London Heathrow.Price includes taxes and charges.From R 8,115, select.
London.R 9,236 per passenger.Departing Mon, 15 Sep.One-way flight with Indonesia AirAsia.Outbound indirect flight with Indonesia AirAsia, departs from Cairns on Mon, 15 Sep, arriving in London Heathrow.Price includes taxes and charges.From R 9,236, select.
London.R 9,630 per passenger.Departing Sat, 26 Jul.One-way flight with Indonesia AirAsia.Outbound indirect flight with Indonesia AirAsia, departs from Cairns on Sat, 26 Jul, arriving in London Heathrow.Price includes taxes and charges.From R 9,630, select.
London.R 10,033 per passenger.Departing Thu, 19 Mar.One-way flight with Jetstar.Outbound indirect flight with Jetstar, departs from Cairns on Thu, 19 Mar, arriving in London Heathrow.Price includes taxes and charges.From R 10,033, select.
London.R 10,165 per passenger.Departing Tue, 5 Aug.One-way flight with Jetstar.Outbound indirect flight with Jetstar, departs from Cairns on Tue, 5 Aug, arriving in London Heathrow.Price includes taxes and charges.From R 10,165, select.
London.R 10,235 per passenger.Departing Mon, 3 Nov.One-way flight with Virgin Australia.Outbound indirect flight with Virgin Australia, departs from Cairns on Mon, 3 Nov, arriving in London Heathrow.Price includes taxes and charges.From R 10,235, select.

Find the cheapest month to fly from Cairns to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Cairns to London Heathrow flights are currently cheapest in October.
Jul
from R 9,630
Aug
from R 10,165
Sep
from R 9,236
Oct
from R 8,087
Nov
from R 10,235
Dec
from R 11,025
Jan
from R 8,087
Feb
from R 8,115
Mar
from R 10,033
Apr
from R 11,122
May
from R 10,928
Jun
from R 14,480

Cairns to London Heathrow: Alternative routes

Compare routes from Cairns to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Cairns to London: Flight information

The things to know before you go.
Cheapest flight foundR 8,087
Cheapest month to flyJanuary

Finding cheap flights from Cairns to London Heathrow: Frequently asked questions

The best price we found for a return flight from Cairns to London Heathrow is R 16,873. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Cairns to London Heathrow. But we found flights with one or more stops from R 16,873.
As of July 2025, there are no flights flying from Cairns to London Heathrow.
The cheapest month to fly from Cairns to London Heathrow is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Cairns Airport to London Heathrow Airport on Wednesday, 15 October 2025.
No airlines currently offer direct flights between Cairns Airport and London Heathrow Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Singapore Airlines offers the cheapest flight tickets to London Heathrow.

Flying from Cairns Airport (CNS) to London Heathrow Airport (LHR): what you need to know

  • London is ten hours behind Cairns and observes the UTC+0 timezone.

  • Leave plenty of time to make your CNS to LHR flight. It's generally best to arrive two hours before international departures and an hour ahead for domestic flights.

  • During popular months like July, it's best to get to the airport well in advance. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight when you fly during a peak period in general.

  • Opt for a stopover if you want to break up your flight. Just deselect 'Direct flights only' to see the options for tickets from Cairns Airport to London Heathrow Airport. Changi International Airport is a popular stopover on the CNS to LHR route.

How to find the cheapest flights from Cairns Airport (CNS) to London Heathrow Airport (LHR)

  • R 8,087 is the lowest price for a one-way Cairns Airport to London Heathrow Airport flight. A return flight starts from R 16,873. These prices may change depending on demand and availability.

  • Don't leave everything to the last minute. You're more likely to find cheap tickets from CNS to LHR if you book in advance. Airlines often offer some excellent early bird discounts.

  • If you're flexible with your travel plans, try using the 'Whole month' tool. It'll find the lowest price across the month when looking for a flight from Cairns Airport to London Heathrow Airport.

  • There's no need to check every day to see if fares have gone down when you set up a Price Alert. We'll let you know the moment a special offer becomes available on cheap flights from CNS to LHR.

  • Find the perfect flight for you by using the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Cairns Airport to London Heathrow Airport, use the 'Sort by' tool. You can also filter by arrival and departure times, airline, and journey duration.

Handy information about Cairns Airport (CNS)

  • 71.55% of flights that leave from Cairns Airport land at their destination on time.

  • Central Cairns to Cairns Airport is around 6 kilometres. Depending on traffic, it'll take you about 10 minutes to get there if you're driving, ride-sharing or catching a cab.

  • The trip on public transport takes roughly 1 hour 25 minutes.

  • Get your trip off to a stress-free start by staying near CNS. Whether you've booked an early flight from Cairns Airport to London Heathrow Airport or just don't want to be rushed, these stays are ideal:

Arriving at London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • From London Heathrow Airport, London is approximately 31 kilometres away. It takes around 55 minutes to get to the centre driving.

  • If you're taking public transport, expect a journey time of about 1 hour.

When to fly to London Heathrow Airport (LHR)

  • The quietest month for a flight from Cairns Airport to London Heathrow Airport is February, while July is the most popular. Choose the best time to visit London based on whether you prefer a more relaxed vibe or a faster pace.

  • Lock in your flight from Cairns Airport to London Heathrow Airport for July if you'd like to go to London during its warmest month. Expect temperatures of between 11ºC (52ºF) and 26ºC (79ºF).

  • January sees average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Search for cheap tickets from CNS to LHR around that time if you want to travel in cooler conditions.

Explore more of United Kingdom

  • London is always a good idea, but there are so many other parts of United Kingdom just waiting to be discovered. Around 161 kilometres north-west of London, a trip to Birmingham will fill your itinerary to the brim. Check out popular attractions like Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • Bristol is another must-experience destination in United Kingdom and is around 177 kilometres west of London. No journey is complete without seeing Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

Plan the rest of your trip from Cairns to London

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.