Book a trip from Seattle to Bangkok with Cathay Pacific , fares from USD1,108

Begin your journey from Seattle to Bangkok aboard our fleet of modern aircraft, which includes the Boeing 777s, Airbus A321neos, Airbus A330s, and Airbus A350s. Your travel time, including a layover in Hong Kong, will be around 22 hours and 25 minutes. Please note that the aircraft used may vary depending on operational needs.

Our First class and Business class passengers can unwind and refresh at our award-winning lounge facilities, enjoying amenities like Relaxation Rooms, Shower Suites, and our 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.

If your Cathay Pacific flight to Bangkok is delayed or cancelled, we’ll keep you informed via our flight status page , airport screens, public announcements, or SMS services such as notiFLY. If your flight is delayed, we will share your updated check-in and boarding times as soon as possible.  If you miss a connection due to a delay, assistance is provided to help arrange travel. For more information, you may refer to your rights and regulations before you fly or reach out to us .

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 Seattle to Bangkok layover is thoroughly enjoyable. Relax for a moment at the Sky Garden terrace located on Level 7 (East Hall), providing a tranquil environment filled with plants and excellent runway views. Coffee enthusiasts can savour beverages at cafés such as Maison Kayser or % Arabica. Those seeking a more distinctive atmosphere can head to the Intervals Sky Bar on Level 9 of the Sky Bridge to enjoy cocktails with a view. Families will find interactive play sections and dedicated zones designed to keep younger passengers occupied. If time allows, consider some shopping or taking in the airport's observation points, such as the glass-floored Sky Bridge walkway for captivating views of aircraft taxiing underneath.

Passengers planning to visit our First class and Business class lounges can look forward to refined amenities, showcasing a tranquil environment meticulously crafted by award-winning architects and designers. The following spaces are accessible within Terminal 1 at HKIA for Cathay Pacific First class and Business class passengers:

The Wing : Located in proximity to Gate 2, The Wing, Business class lounge seamlessly merges sophistication with practicality. This area highlights expansive seating zones, a refined aesthetic, and the beloved Noodle Bar, presenting popular Asian dishes. Shower suites are accessible for passengers seeking to refresh themselves prior to boarding.

For our First Class passengers, The Wing, First embodies Cathay Pacific's signature hospitality with a blend of classic glamour. This luxurious sanctuary is designed for ultimate tranquillity and offers an array of amenities for pre-flight unwinding and refreshment, including private shower suites, treatment rooms, and day beds. Guests are also invited to savour a rotating menu of Asian and international culinary classics, alongside lighter, bite-sized delicacies.

The Pier : Located adjacent to Gate 65, The Pier, Business class lounge is known for its tranquil environment and contemporary aesthetics. It presents an assortment of exquisite culinary selections, encompassing an extensive buffet and à la carte selections. This facility also features bathing amenities and secluded relaxation zones, ensuring a restorative sanctuary.

For our First class passengers, The Pier, First delivers a highly personalised journey. Passengers can anticipate exclusive suites, exceptional gastronomy crafted by premier chefs, and tailored services. The facility also incorporates luxurious features such as massage treatments and expansive wellness spaces.

The Bridge : The Bridge, near Gate 35, offers a modern, elegant, and relaxed setting with plush seating and diverse food. Passengers can enjoy light bites, drinks, shower suites, and productivity stations.

The Deck : Positioned adjacent to Gate 6, The Deck Lounge delivers a relaxed environment focused on convenience. It presents an inviting ambience, delicate snacks, and diverse seating arrangements. This space is ideal for individuals aiming to decompress before embarking on their journey.

To access the most current facility details, please review our lounge site for more information.

Opting for a Hong Kong stopover instead of a brief transit offers a vibrant, culturally rich holiday with memorable city views. Start with a bike ride along the West Kowloon Waterfront Promenade to enjoy the outdoors, public art and Victoria Harbour views. Next, visit the Tsim Sha Tsui Promenade for skyline views, including the iconic Clock Tower. Retail enthusiasts will find Nathan Road lively, with both high-end boutiques and local shops.

If your schedule allows, explore cultural landmarks, including Man Mo Temple or the streets of Central, where colonial design and contemporary architecture come together. Food lovers shouldn’t miss Hong Kong’s famous dim sum in districts such as Wan Chai or Mong Kok.

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

For more ideas, you may draw inspiration from our guide to Hong Kong for first-time visitors or 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 experience in Premium economy and Business class begins from the moment your booking is confirmed. Starting with additional baggage allowance, you will be able to pack more comfortably for your trip before you’re warmly greeted at one of our dedicated check-in counters. With priority boarding, you can expect an elevated experience from your seat, from generously spaced seating to carefully curated menus.

Business class passengers flying on designated routes on board our Boeing 777-300ER aircraft can indulge in our award-winning Aria Suite *, thoughtfully designed with your comfort in mind.

*New 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 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, you can access the inflight shopping service using the onboard Wi-Fi , which is available on most aircraft. By connecting your device to the "Cathay Pacific" Wi-Fi network and navigating to the shopping portal, you can browse a wide range of products across a wide variety of brands. Cathay members can log in to their accounts to earn or redeem Asia Miles on eligible inflight purchases.

To calculate how many Asia Miles you earn flying from Seattle to Bangkok 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 comprehensive worldwide network links you seamlessly to more than 100 locations across the globe. The modern aircraft within our fleet feature exceptionally spacious cabins, featuring fully lie-flat beds* in Business class, generous seats in Premium economy, and supportive seating throughout Economy.  Our inflight entertainment system and high-speed Wi-Fi allow you to stay connected and entertained throughout your flight. By becoming a Cathay member, you will accumulate both Asia Miles and Status Points, which respectively unlock a variety of benefits.

*This feature is rolling out gradually across our entire fleet and is available on most 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 varying Cathay membership levels—Green, Silver, Gold, and Diamond— Indicate your membership level within the programme. As you advance through the tiers, you can enjoy a broader range of benefits and privileges with us.

Green members experience foundational Cathay membership privileges, encompassing early entry to exclusive travel promotions and priority online check-in from 48 hours before departure. They can reserve seats with extra legroom by spending Asia Miles, subject to availability, and gain a complimentary two-day PressReader access pass alongside every flight booking.

Silver members acquire all the benefits of Green members, in addition to priority check-in at dedicated Business class counters, entry into selected Business class lounges, and priority baggage handling. Silver members can enjoy enhanced Asia Miles earning whenever they make purchases or enjoy meals at our affiliated establishments.

Gold members can check one additional item of luggage and secure seating within the Economy cabin on Cathay Pacific flights. Furthermore, Gold members receive a pair of complimentary passes to the Business class lounge and prospects for cabin upgrades, paired with higher earning rates for Asia Miles.

Diamond members take advantage of dedicated First class check-in services, entry to all First class and Business class lounges, and the ability to bring in companions. Diamond members are additionally granted priority baggage handling and promotional deals at affiliated hotels and dining venues.

Discover information regarding Status Points and the advantages associated with every level 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.

Explore an exciting array of benefits when booking your next trip with Cathay Pacific, including our Economy fares , which give you greater choice, flexibility, and value. Our latest flight and holiday package offers are regularly updated to provide you with greater flexibility on your travels with Cathay Pacific.