Cheap Flights from London (LHR) to Cairns (CNS)

Based on fares listed within the last 7 days on Expedia for flights departing within the next year, round-trip journeys between London Heathrow and Cairns Airport start from . Book ASAP to get the best price for your big adventure. Prices and availability are subject to change. Additional terms apply.

We understand that circumstances change unexpectedly, so we've made it as hassle-free as possible for you to cancel your flight online. Just visit the Customer Service Portal and follow the instructions.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Heathrow Airport (LHR) to Cairns Airport flights, you'll see a "no change fees" filter for you to select.

Hounslow to Cairns is around 15,200 kilometres, so get ready to spend a while in the air. Make sure you pack all the essentials, from your hoodie to your headphones. Take some snacks to munch on throughout your trip too.

At present, no airlines offer flights directly from London Heathrow to Cairns Airport. You'll need to book a flight with one or more stops. To get the best price and connections, lock in your airfare well in advance.

Flight prices from LHR to CNS are available up to 12 months before departure on Expedia. And although you may score a great last-minute deal, it's not something you should count on. Also, booking your flights in advance means you'll have more choices — and you can avoid landing the dreaded middle seat! We're always updating our fares to bring you the biggest bargains, so check back often for all the latest specials.