Book a trip from Sydney to London with Cathay Pacific

Begin your journey from Sydney to London aboard our fleet of modern aircraft, which includes the Boeing 777s, Airbus A321neos, Airbus A330s, and Airbus A350s. Your flight, including a layover in Hong Kong, will take approximately 24 hours and 35 minutes. Please note that the aircraft used may vary depending on operational needs.

Our First class and Business class passengers can relax and unwind at our award-winning lounge facilities, enjoying amenities like Relaxation Rooms, Shower Suites, and our signature Noodle Bar during their layover.

Utilising online check-in is an efficient way to streamline your airport experience and save time. You can complete check-in on a desktop or mobile device up to 48 hours before your scheduled departure, allowing you to choose or alter your seat selection and download your boarding pass digitally or print it, depending on local regulations and your specific departure point. Cathay Green members and above can enjoy priority online check-in for added convenience. Based on your specific ticket type and cabin, you may also be able to pre-select your in-flight dining menu to accommodate your personal dietary requirements.

In the event of a delay or cancellation for your Cathay Pacific flight to London, we will ensure you stay updated via our flight status page , terminal displays, public announcements, or SMS notifications through notiFLY. If your flight is delayed, we will share your updated check-in and boarding schedule as soon as the revised times are confirmed. Should a delay cause you to miss a connecting flight, assistance is provided to help arrange onward travel. You can find further details by reviewing your rights and regulations prior to travelling, or you can reach out to us directly.

When you arrive in Hong Kong, follow the signs to the departure level for your connecting flight. If you already have your onward boarding pass, proceed through security screening and head to your gate. If not, our transfer counters will help you with check-in and any questions you may have. Passengers aged seven or above with eligible documents may use e‑Security Gates for faster processing. For the latest information on transfers and transfer desk information, you may refer to the transfer guide .

You will discover plenty of things to do at Hong Kong International Airport to ensure your Sydney to London layover is a pleasant experience. Unwind at the Sky Garden terrace situated on Level 7 of the East Hall, a tranquil environment filled with plants and views of the runways. Coffee enthusiasts can savour beverages at outlets such as Maison Kayser or % Arabica, and individuals seeking a distinctive atmosphere can spend time at the Intervals Sky Bar located on Level 9 of the Sky Bridge for drinks accompanied by sweeping views. Families will find engaging interactive play spaces and dedicated children's zones designed to keep younger passengers entertained. Take the opportunity to browse the retail options or admire the airport's observation points, such as the glass-floored Sky Bridge walkway, presenting captivating sights of aircraft moving underneath.

First class and Business class passengers can enjoy refined comforts in our award-winning lounges. These tranquil environments in Terminal 1 at HKIA were meticulously crafted by renowned architects and interior designers.

The Wing : Positioned adjacent to Gate 2, The Wing, Business class lounge integrates elegance with practical design. It presents spacious seating, a refined aesthetic, and our acclaimed Noodle Bar, delivering Asian favourites. Shower suites are accessible for passengers to revitalise prior to their departure.

For our First Class passengers, The Wing, First merges classic glamour with renowned Cathay Pacific hospitality. This luxurious space provides a rotating menu of Asian and international culinary classics, along with light, bite-sized delicacies. Experience tranquillity and refreshment before flying with the lounge's private shower suites, treatment rooms, and day beds.

The Pier : Located by Gate 65, The Pier, Business class lounge is celebrated for its calming atmosphere and contemporary styling. It provides an array of dining options, including a generous buffet alongside diverse à la carte selections. This lounge also features shower amenities and private relaxation zones, supplying a tranquil retreat to travellers.

For our First class passengers, The Pier, First delivers a bespoke encounter. Passengers will enjoy exclusive private suites, fine dining selections prepared by renowned chefs, and attentive, personalised service. This premium lounge further features thoughtfully considered amenities such as massage services and spacious relaxation areas.

The Bridge : Located just a brief distance from Gate 35, The Bridge is fashioned with a contemporary aesthetic. It presents a laid-back environment featuring plush seating and a variety of menu choices. Passengers can savour snacks and beverages, as well as access shower suites and dedicated workstations designed for individuals needing to stay productive or manage professional tasks.

The Deck : Positioned close to Gate 6, The Deck Lounge offers a more relaxed environment focused on comfort. It extends an inviting ambience, light refreshments, and an extensive range of seating options.

For the most up-to-date lounge details, learn more at our lounge site .

Opting for a stopover in Hong Kong rather than a brief transit allows travellers to enjoy a second holiday with culture, food and memorable city views. Start with a cycle along the West Kowloon Waterfront Promenade for fresh air, public art and Victoria Harbour views. Then head to the Tsim Sha Tsui Promenade to take in the skyline and landmarks such as the historic Clock Tower. Retail fans will find Nathan Road lively, with a mix of premium boutiques and local markets.

If time permits, discover heritage spots like Man Mo Temple or the streets of Central, where historic and contemporary architecture sit side by side. Food lovers should be sure to try Hong Kong’s famous dim sum in districts such as Wan Chai or Mong Kok.

As dusk approaches, relax at a rooftop bar or waterfront café and enjoy the city lights across Victoria Harbour.

To gather further ideas, read through our guide to Hong Kong for first-time visitors or review our short weekend guide to Hong Kong .

Cathay Pacific offers a range of Economy fare options, ensuring you find the match for your travel requirements. Every fare category includes benefits, baggage allowances, and flexibility for changes or cancellations, allowing you to pick the choice that aligns with your itinerary.

Light Fare : Designed for passengers seeking a more economical ticket, the Economy  Light fare provides a standard baggage allowance alongside limited options for changes or refunds.

Essential Fare : Serving as an upgraded option from the Economy Light choice, this fare delivers increased flexibility, permitting modifications for an associated fee, while granting extra perks such as advanced seat selection and a better earning rate for Asia Miles.

Flexi Fare : Representing the most versatile Economy fare, this ticket permits changes and cancellations with minimal charges and includes an enhanced baggage allowance. This selection is ideal for those who value adaptability and peace of mind.

For more details regarding the baggage rules associated with your chosen ticket, please visit our fare classes page.

Your Premium economy and Business class experience starts from booking. Enjoy an enhanced baggage allowance, a warm welcome at dedicated check-in counters, and priority boarding—so you can relax into a refined journey, from spacious seating to thoughtfully curated dining.

Business class passengers on specific flight paths onboard our Boeing 777-300ER fleet can immerse themselves in our award-winning Aria Suite * and a bespoke atmosphere designed entirely around your comfort.

*The updated Boeing 777-300ER cabins will be progressively introduced.

Your carry-on baggage allowance varies by your cabin class. Economy and Premium economy passengers may bring one piece of carry-on baggage weighing up to 7kg, along with a small personal item. Business class passengers may bring up to 10 kg of carry-on baggage plus a personal item, and First class passengers may bring up to 15 kg of carry-on baggage plus a personal item. All carry-on baggage must meet size limits of 56 x 36 x 23 cm, and a personal item must fit under the seat.

Passengers on Economy Light fares may bring one piece of checked baggage weighing up to 23kg. Economy and Premium economy passengers on other fare types may bring up to 2 pieces, each weighing up to 23kg. Business class passengers may bring up to 2 pieces of checked baggage weighing up to 32kg each, while First class passengers may bring up to 3 pieces.

Please note that surpassing your allocated limits will result in supplementary charges, dictated by whether the items exceed the weight maximums or dimensional boundaries. Based on your specific flight path, you may want to consider securing a prepaid extra baggage allowance .

During your flight, access our inflight retail offerings via the onboard Wi-Fi , an amenity available on most of our aircraft. After linking your device to the "Cathay Pacific" wireless connection and opening the digital retail platform, you may explore an assortment of merchandise spanning more than a thousand brands. Cathay members can sign in to their profiles to spend Asia Miles on items or accumulate additional rewards during their retail experience.

To calculate how many Asia Miles you earn flying from Sydney to London on Cathay Pacific, you can use our online Status Points and Asia Miles calculator . The amount of Asia Miles earned depends primarily on three factors: the route distance, your travel cabin, and the fare type you purchased. More flexible and premium fares generally earn more Asia Miles and Status Points. Bear in mind that Asia Miles and Status Points are earned only on flights marketed by Cathay Pacific.

Our extensive international network links you to more than 100 global destinations, guaranteeing plentiful travel options and efficient connections. Our modern fleet of aircraft features spacious environments equipped with fully flat beds* within Business class, generous Premium economy seating, and comfortable Economy arrangements.  Our considerable inflight entertainment library and high-speed Wi-Fi ensure you stay in touch and entertained throughout your flight. When you travel as a Cathay member, you can earn Asia Miles and Status Points, unlocking a range of benefits.

*This feature is being gradually introduced across our entire fleet and is now available on most of our aircraft.

Booking directly through Cathay Pacific provides greater flexibility, exclusive promotions, and dedicated customer support compared to third-party platforms. When you book directly, you receive advantages such as complimentary cancellations within a 24-hour window, direct access to all ticket categories, and incentives including bonus Asia Miles and discounts on travel add-ons when available.  Passengers receive priority assistance for changes or disruptions, seamless earning and redemption of Asia Miles, and benefits such as priority upgrade opportunities for Cathay members.

*Terms and conditions apply. Please visit our dedicated page for comprehensive details.

Status Points directly determine your Cathay membership tier and associated benefits. These points revert to zero at the beginning of every new Cathay membership year following a renewal, tier advancement, or downgrade. Asia Miles, on the other hand, functions as a versatile currency that can be used to acquire flight redemptions and lifestyle rewards and remains valid for a period of three years. Status Points serve the purpose of elevating and maintaining your tier, and Asia Miles empower you to book more travel adventures and merchandise.

The Cathay membership tiers encompass four levels—Green, Silver, Gold, and Diamond—each tier recognises your travel with us and offers increasing benefits as you move through the programme. Green members receive foundational Cathay membership benefits, including flight promotions and priority check-in 48 hours prior to takeoff. These individuals also have the ability y to secure seats with extra legroom by spending Asia Miles, depending on seat availability, and are given complimentary 48-hour access to the PressReader platform with every reservation.

Silver members are granted all the perks associated with the Green level, paired with priority check-in at Business class counters, entry into selected Business class lounges, and priority baggage handling. This upgraded status also provides enhanced Asia Miles earning whenever you shop or dine with our partners.

Gold members can check in one additional piece of baggage and can hold guaranteed seating in Economy on all Cathay Pacific flights. Gold members also receive two complimentary Business class lounge passes and upgrade prospects, combined with enhanced rates for collecting Asia Miles.

Diamond members enjoy the convenience of First-class check-in, admission to all First class and Business class lounges, and the privilege of bringing companions along. Diamond members receive priority baggage handling and exclusive offers at selected partner hotels and dining establishments.

You can learn more about Status Points and the advantages tied to each ranking here .

Qualifying tickets include those issued by Cathay Pacific or our oneworld alliance partners within fare categories officially designated to earn Status Points. Throughout the booking process and when you review your itinerary, you will clearly see the number of Status Points and Asia Miles your journey will generate, based on the operating airline, cabin, fare type, and the total flight distance.

For all eligible tickets, Status Points are automatically credited to your profile following the completion of your flight. Travelling alongside one of our partner airlines also allows you to earn Status Points towards your Cathay membership, depending entirely on the specific fare and class qualifications.

Discover a range of advantages when arranging your upcoming journey with Cathay Pacific, featuring our Economy fares designed to offer you expanded options, more adaptability, and excellent value. We continuously refresh our flight and holiday package offers to guarantee you experience the utmost flexibility during your adventures with Cathay Pacific.