Book a trip from Seattle to Shanghai with Cathay Pacific , fares from USD1,165

Start your journey from Seattle to Shanghai aboard our modern fleet of aircraft, such as the Boeing 777, including the Boeing 777, Airbus A321neo, Airbus A330 and Airbus A350. Your trip, with a layover in Hong Kong, takes approximately 17 hours and 30 minutes. Please note that the aircraft used may vary depending on operational requirements.

First class and Business class passengers can relax and recharge in our award-winning lounges during their layover, with features including Relaxation Rooms, Shower Suites and our signature Noodle Bar.

Online check-in is a convenient way to save time and avoid queues at the airport. You can check in via desktop (PC) or mobile from 48 hours before departure, select or change your preferred seat, and download your boarding pass digitally or print it, subject to local regulations and departure point. Cathay Green members and above enjoy priority online check-in for added convenience. Depending on your ticket and cabin class, you may also pre-select meals to suit your dietary preferences.

In the event of a delay or cancellation of your Cathay Pacific flight to Shanghai, we will provide continuous updates via our flight status page , terminal displays, public announcements, or SMS notifications such as notiFLY. If your flight faces delays, we will share your updated check-in and boarding schedule as soon as the revised timings are confirmed. Should a delay cause you to miss a connecting flight, assistance will be provided to help arrange onward travel. To learn more, you can review your rights and regulations prior to your departure or simply reach out to us .

Upon landing in Hong Kong, follow the signs to the departures level for your onward connection. If you have your connecting boarding pass, go through security screening and make your way to your designated gate. Otherwise, our team at the transfer desks are available to assist you with checking in and addressing any queries. Passengers aged seven and older holding eligible travel documents have the option to utilise the e-Security Gates for faster clearance. For the details regarding transit procedures and transfer desk locations, you can consult the transfer guide .

There are plenty of things to do at Hong Kong International Airport to make your Seattle to Shanghai layover truly pleasurable. Unwind at the Sky Garden terrace situated in the East Hall on Level 7, a tranquil environment complete with lush greenery and vistas of the runway. Coffee enthusiasts can savour beverages at establishments such as Maison Kayser or % Arabica, while those seeking a more distinctive atmosphere can visit the Intervals Sky Bar on Level 9 within the Sky Bridge for cocktails accompanied by a view. Families can also find play areas and child-focused zones designed to keep younger passengers thoroughly amused. Should your schedule permit, explore the various shopping avenues or appreciate the airport's various observation points, such as the glass-floored Sky Bridge walkway, which presents captivating sights of aircraft manoeuvring directly underneath.

Passengers visiting our First class and Business class lounges can enjoy thoughtfully designed spaces that offer refined comfort and a calm, welcoming atmosphere. Created by leading architects and interior designers, each lounge reflects Cathay’s commitment to considered design and understated elegance. Below are the lounges available in Terminal 1 at HKIA for Cathay Pacific First class and Business class passengers:

The Wing : Located near Gate 2, The Wing, Business class lounge, combines elegance with functionality. It features spacious seating, refined design and the much-loved Noodle Bar, serving a selection of Asian favourites. Shower suites are also available for passengers looking to refresh before their flight.

Our First class passengers will also be able to access The Wing, First where classic glamour meets renowned hospitality. The rotating menu here features both Asian and international classics, as well as bite-sized delicacies for those wanting something light. Shower suites, treatment rooms and day beds are available for those wanting to unwind before their flight.

The Pier : Situated near Gate 65, The Pier, Business class lounge is known for its serene ambience and contemporary design. It offers a selection of gourmet meals, including an impressive buffet and à la carte options. The lounge also includes shower facilities and private resting areas, providing a peaceful retreat from the terminal.

For our First class passengers, The Pier, First offers a more personalised and elevated lounge experience. Passengers can expect private suites, fine dining curated by top chefs, and bespoke service. The lounge also includes premium amenities like massage services and extensive relaxation areas.

The Bridge : Mere moments from Gate 35, The Bridge is designed with a contemporary flair. It features a relaxed atmosphere with comfortable seating and a variety of dining options. Passengers can enjoy a selection of snacks and beverages, along with access to shower suites and workstations for those needing to catch up on business.

The Deck : Situated near Gate 6, The Deck Lounge provides a more casual setting with a focus on comfort. It offers a welcoming atmosphere, light refreshments, and a range of seating options. This lounge is perfect for those looking to unwind before their flight.

For the latest lounge information, please visit our lounge site for more details.

A Hong Kong stopover offers a vibrant second holiday with culture, food and city views. Start with a bike ride along the West Kowloon Waterfront Promenade for the outdoors, public art and Victoria Harbour views. Next, visit the Tsim Sha Tsui Promenade to take in the skyline and landmarks like the Clock Tower. Shoppers will enjoy the mix of high-end and local retailers on Nathan Road.

If your itinerary allows, explore cultural landmarks, including Man Mo Temple or the streets of Central, where colonial and contemporary architecture sit side by side. Food lovers shouldn’t miss Hong Kong’s famous dim sum across neighbourhoods such as Wan Chai or Mong Kok. As evening arrives, relax at a rooftop bar or waterfront café and enjoy the night views across Victoria Harbour.

For additional inspiration for your trip, visit our guide to Hong Kong for first-time visitors or our short weekend guide to Hong Kong .

Cathay Pacific provides an array of Economy fare options to select from, ensuring you find the option best suited for your travel needs. Each 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 Light fare provides a standard baggage allowance alongside more limited options for changes or refunds.

Essential Fare : Serving as an upgraded option from Light, this fare offers greater flexibility, permitting changes for a fee, while granting extra perks such as advance seat selection and higher Asia Miles accrual.

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

To gather further details regarding the baggage rules associated with your chosen ticket, please navigate to 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.

The carry-on baggage allocation you receive depends on your cabin class. Passengers in Economy and Premium Economy are permitted to board with a single piece of carry-on baggage up to 7kg, accompanied by one small personal item. Business class passengers have an allowance of up to 10kg for their carry-on baggage alongside a personal item, while First class passengers enjoy an allocation of up to 15kg for their carry-on baggage and a personal item. All carry-on baggage must meet the size limit of 56 x 36 x 23cm, and your personal item must be appropriately sized to store securely beneath the seat in front of you.

Passengers flying with Economy Light tickets are authorised to check a single item of baggage with a maximum weight of 23kg. Those travelling in Economy and Premium Economy are allowed up to two checked items, each weighing a maximum of 23kg. Business class passengers are granted up to two pieces of checked baggage at 32kg per item, and First class passengers receive an allowance of up to three individual pieces.

Be sure to remember that surpassing your designated baggage limits will result in supplementary charges, based on whether your items exceed the specified weight or dimensional restrictions. Depending on your flight, you may want to consider purchasing our prepaid extra baggage allowance in advance.

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 the amount of Asia Miles you will gain while travelling from Seattle to Shanghai with Cathay Pacific, visit our Status Points and Asia Miles calculator . The total sum of Asia Miles awarded is influenced by three elements: the distance of the journey, your travel cabin, and the fare type you acquired, as flexible and premium fares typically generate a greater yield of Asia Miles and Status Points. Be sure to note that the accrual of Asia Miles and Status Points applies exclusively to routes officially 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 with Cathay Pacific offers greater flexibility, exclusive promotions, and dedicated customer support compared to third-party channels. Direct bookings come with benefits such as complimentary 24-hour free cancellation, access to a full range of fare options, and special offers including bonus Asia Miles and discounts on add-ons. Passengers who are Cathay members can enjoy priority support for changes and disruptions, seamless earning and redemption of Asia Miles, and perks such as advanced upgrade opportunities.

*Terms and conditions apply. Visit our page for full details.

Status Points dictate your current standing within the Cathay membership programme, directly influencing your membership tier and associated privileges. These points revert to zero at the beginning of every new Cathay membership year following a renewal, an upgrade, or a downgrade. Conversely, Asia Miles functions as a reward currency used to claim flights and everyday lifestyle rewards, and remains active for a period of three years. Status Points help you elevate between tiers, whereas Asia Miles empowers you to redeem further flight and retail rewards.

The various Cathay membership classifications—Green, Silver, Gold, and Diamond— are designed to recognise your loyalty as you travel more with us. Higher tiers offer additional benefits and privileges to enhance your journey.

Green members receive the foundational Cathay membership benefits, including flight promotions and priority online check-in from 48 hours prior to takeoff. Green members can secure seats featuring additional legroom by spending Asia Miles, dependent upon current seat availability, and they obtain a complementary two-day pass to PressReader when they finalise a booking.

Silver members retain all the foundational perks of the previous level, along with priority check-in at Business class counters, entry to selected Business class lounges, and priority baggage handling. Silver membership also offers enhanced Asia Miles earning whenever you shop or dine with our partners.

Gold members can check in an additional item of luggage and enjoy guaranteed seating in Economy. Furthermore, Gold members receive a pair of complimentary Business class lounge passes and upgrade opportunities, alongside enhanced Asia Miles earning rates.

Diamond members are welcomed with First class check-in, entry to all First class and Business class lounges, and the privilege to bring companions along. Diamond members consistently experience priority baggage handling and exclusive offers at selected partner hotels and dining venues. 

You can discover details regarding Status Points and the advantages connected to each level here .

Eligible tickets are those issued by Cathay Pacific or our oneworld alliance partners in fare classes that qualify for earning Status Points. During the booking process and when you manage your booking online, you can see the exact number of Status Points and Asia Miles your ticket will earn based on the airline, cabin, fare type, and distance travelled.

If your ticket is eligible, Status Points will be automatically credited to your account. If you fly with one of our partner airlines, you can still earn Status Points towards your Cathay membership, subject to fare and cabin eligibility.

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.