$766 Cheap Flights from London (LHR) to Cairns (CNS)

View $766 flight on Mon, Dec 1, 2025Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Cairns Intl. Airport (CNS)

Cheap Flights from London to Cairns (LHR-CNS)

Prices were available within the past 7 days and start at $766 for one-way flights and $1,444 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Singapore Airlines
Mon, Jun 15 - Mon, Jun 29
LHR
London
CNS
Cairns
$1,444 Roundtrip, found 15 hours ago
$1,444
Roundtrip
found 15 hours ago
Select Singapore Airlines flight, departing Mon, Jun 15 from London to Cairns, returning Mon, Jun 29, priced at $1,444 found 15 hours ago
Singapore Airlines
Mon, Jun 15 - Mon, Jun 29
LHR
London
CNS
Cairns
$1,446 Roundtrip, found 15 hours ago
$1,446
Roundtrip
found 15 hours ago
Select Singapore Airlines flight, departing Mon, Jun 15 from London to Cairns, returning Mon, Jun 29, priced at $1,446 found 15 hours ago
Singapore Airlines
Mon, Jun 15 - Mon, Jun 29
LHR
London
CNS
Cairns
$1,454 Roundtrip, found 15 hours ago
$1,454
Roundtrip
found 15 hours ago
Select Singapore Airlines flight, departing Mon, Jun 15 from London to Cairns, returning Mon, Jun 29, priced at $1,454 found 15 hours ago
Singapore Airlines
Mon, Jun 15 - Mon, Jun 29
LHR
London
CNS
Cairns
$1,458 Roundtrip, found 15 hours ago
$1,458
Roundtrip
found 15 hours ago
Select Singapore Airlines flight, departing Mon, Jun 15 from London to Cairns, returning Mon, Jun 29, priced at $1,458 found 15 hours ago
Etihad Airways
Mon, Jun 15 - Mon, Jun 29
LHR
London
CNS
Cairns
$1,512 Roundtrip, found 15 hours ago
$1,512
Roundtrip
found 15 hours ago
Select Etihad Airways flight, departing Mon, Jun 15 from London to Cairns, returning Mon, Jun 29, priced at $1,512 found 15 hours ago
Singapore Airlines
Mon, Jun 15 - Mon, Jun 29
LHR
London
CNS
Cairns
$1,519 Roundtrip, found 15 hours ago
$1,519
Roundtrip
found 15 hours ago
Select Singapore Airlines flight, departing Mon, Jun 15 from London to Cairns, returning Mon, Jun 29, priced at $1,519 found 15 hours ago
Singapore Airlines
Mon, Jun 15 - Mon, Jun 29
LHR
London
CNS
Cairns
$1,520 Roundtrip, found 15 hours ago
$1,520
Roundtrip
found 15 hours ago
Select Singapore Airlines flight, departing Mon, Jun 15 from London to Cairns, returning Mon, Jun 29, priced at $1,520 found 15 hours ago
Qatar Airways
Mon, Jun 15 - Mon, Jun 29
LHR
London
CNS
Cairns
$1,574 Roundtrip, found 15 hours ago
$1,574
Roundtrip
found 15 hours ago
Select Qatar Airways flight, departing Mon, Jun 15 from London to Cairns, returning Mon, Jun 29, priced at $1,574 found 15 hours ago
Lufthansa
Mon, Jun 15 - Mon, Jun 29
LHR
London
CNS
Cairns
$1,622 Roundtrip, found 15 hours ago
$1,622
Roundtrip
found 15 hours ago
Select Lufthansa flight, departing Mon, Jun 15 from London to Cairns, returning Mon, Jun 29, priced at $1,622 found 15 hours ago
China Southern Airlines
Mon, Dec 1 - Mon, Dec 8
LHR
London
CNS
Cairns
$1,643 Roundtrip, found 3 days ago
$1,643
Roundtrip
found 3 days ago
Select China Southern Airlines flight, departing Mon, Dec 1 from London to Cairns, returning Mon, Dec 8, priced at $1,643 found 3 days ago

Frequently asked questions

How much does a flight from Heathrow Airport (LHR) to Cairns Intl. Airport (CNS) cost?
Snag a cheap one-way flight from $766 or cheap return flight from $1,444 from Heathrow Airport (LHR) to Cairns Intl. Airport (CNS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Heathrow Airport (LHR) to Cairns Intl. Airport (CNS)?
Flying in June is a good way to save, as it's the cheapest month for flights between LHR and CNS. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Heathrow Airport (LHR) to Cairns Intl. Airport (CNS)?
To find the cheapest airline that'll fly you from LHR to CNS, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Heathrow Airport (LHR) to Cairns Intl. Airport (CNS)?
There aren't any daily nonstop flights departing from Heathrow Airport (LHR) to Cairns Intl. Airport (CNS). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from LHR to CNS?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can vary based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Heathrow Airport (LHR) to Cairns Intl. Airport (CNS)?
Opt for a flight from Heathrow Airport (LHR) to Cairns Intl. Airport (CNS) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Heathrow Airport (LHR) to Cairns Intl. Airport (CNS) last-minute?
Holding off until just before your departure to book a ticket from LHR to CNS often results in higher prices. While you may come across some last-minute offers, there's no guarantee. Keep your travel plans flexible for the best chance of getting a bargain.
Is it cheaper to book a LHR to CNS flight and hotel package?
Compared with arranging flights and hotels separately, booking a LHR to CNS flight and hotel package with Expedia could result in significant savings. Better still, having everything in one easy place takes the hassle out of travel planning. Just pick your flights and select from our extensive range of stays, then personalize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Heathrow Airport (LHR) to Cairns Intl. Airport (CNS)?
Typically, you can reschedule or cancel your LHR to CNS flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you need further details, head to our Customer Service portal.

Travel information

Origin airport
Heathrow
Destination airport
Cairns Intl.
Airlines serving
Air Canada, British Airways, Cathay Pacific, Japan Airlines, Lufthansa, Qantas Airways, Qatar Airways, Singapore Airlines
Roundtrip price
$1,443
Distance
9414 mi

Book with confidence

London to Cairns Flights

The cheapest times to fly from London to Cairns

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from London to Cairns are during the month of June. You can find some of the cheapest flights from London to Cairns with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from London to Cairns

Sunday is one of the best days to book for cheap flights from London to Cairns: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from London to Cairns

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from London to Cairns in 2025. You can also book with separate airlines for your outbound and return journeys, from $766 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap London to Cairns flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your London to Cairns airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

London to Cairns Flights

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*Available to One Key members.