London LON to Cairns CNS Flights

Cheap plane tickets from London to Cairns can start from as little as $1883 (€1526) when you book in advance. The average flight ticket price for London to Cairns is $2340 (€1896) ; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.

The average journey time by plane from London to Cairns is 29h 15m to travel the 9405 miles (15136 km) long route. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.

The earliest flight from London to Cairns leaves at 6:00 AM. Plan your trip with the Journey Planner from Omio.

The latest flight from London to Cairns leaves at 8:25 PM.

Flights from London to Cairns generally leave from London Heathrow Airport and arrive in Cairns.London Heathrow Airport is 14 miles (23 km) away from London city centre and Cairns is 3 miles (5 km) from Cairns city centre.

The cheapest month for a flight from London to Cairns is December.

Yes, you can take a flight between London and Cairns.

Since neither London nor Cairns are in the Schengen Area, passport requirements depend on the specific immigration rules of United Kingdom and Australia. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.

There is a time difference of 10 h in winter and 9 h in summer between London and Cairns.

The best events to attend in Cairns include:

• Cairns Indigenous Art Fair, a vibrant celebration of Indigenous art and culture featuring exhibitions, performances, and workshops
• Cairns Festival, an annual event showcasing local talent through music, art, and food over ten days
• Great Barrier Reef Festival, a community celebration highlighting the beauty of the reef with activities, entertainment, and environmental awareness.

The best holidays to experience in Cairns include:

• Easter, mild weather and vibrant local festivities
• Anzac Day, commemorative events and a strong sense of community
• School Holidays (June-July), ideal for family-friendly activities and outdoor adventures.

The best season to visit Cairns is Winter or Spring. The best weather to explore Cairns is during June-November.

For international flights we recommend to arrive 2.5 to 3 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.

Most airlines permit carry-on bags that fit within specific dimensions (e.g., 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.

Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs). Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you. Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.

The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.