Book a trip from Seattle to Chennai with Cathay Pacific , fares from USD1,840

Begin your journey from Seattle to Chennai aboard our fleet of modern aircraft, including the Boeing 777s, Airbus A321neos, Airbus A330s, and Airbus A350s. The travel time, including a stopover in Hong Kong, is roughly 24 hours and 15 minutes. Please note that the aircraft used may vary depending on operational needs.

Our First class and Business class passengers can unwind and recharge at our award-winning lounge spaces, which offer amenities like Relaxation Rooms, Shower Suites, and our Noodle Bar during their stopover.

Completing your check-in online offers a more efficient method to save time and avoid queues at the airport. You have the option to check in via desktop or mobile up to 48 hours prior to your departure, choose or modify your seat preference, and obtain your boarding pass digitally or in print, subject to local regulations and your departure point. Cathay Green members and Silver, Gold and Diamond members can benefit from priority online check-in for a smoother experience. Based on your specific ticket type and cabin, you may also be able to select your meals in advance to accommodate your dietary needs.

In the event of a delay or cancellation for your Cathay Pacific flight to Chennai, 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.

Upon arriving in Hong Kong, follow the signage leading to the departures level for your connecting flight. Passengers already holding an onward boarding pass can advance through security screening and proceed to their designated gate. Otherwise, head to the transfer counters where our team will assist with check-in procedures and address any queries. Passengers aged seven and above with qualifying travel documents are eligible to utilise the e‑Security Gates for faster processing. For the most current details regarding transfers and transfer desk locations, please consult the transfer guide .

There are plenty of things to do at Hong Kong International Airport to make your Seattle to Chennai 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.

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 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 journey within Premium Economy and Business class commences the instant you receive your ticket confirmation. Enjoy an enhanced baggage allowance and a warm welcome at dedicated check-in counters. Priority boarding follows, allowing you to settle in comfortably and enjoy an elevated experience on board— from spacious seating to thoughtfully crafted dining.

On selected routes operated by our Boeing 777-300ER aircraft, Business class passengers can experience our award-winning Aria Suite *, a space meticulously designed with your comfort and privacy in mind.

*New 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 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, you can access our inflight retail platform by connecting to the onboard Wi-Fi , a feature provided across most of our aircraft. Upon linking your device to the "Cathay Pacific" Wi-Fi network and accessing the digital retail hub, you will be able to explore our selection of merchandise from an extensive list of brands. Cathay members can sign in to their profiles to redeem Asia Miles for eligible goods or accumulate more Asia Miles when shopping.

To determine the amount of Asia Miles you will acquire travelling from Seattle to Chennai with Cathay Pacific, simply use our Status Points and Asia Miles calculator . The total Asia Miles you gather relies on three distinct elements: the overall distance of your journey, your selected travel cabin, and the fare type you have booked, as flexible and premium fares typically yield more Asia Miles and Status Points. Please be aware that your accumulation of Asia Miles and Status Points applies only to flights marketed by Cathay Pacific.

Our extensive global network links you to over 100 destinations worldwide, guaranteeing a wide range of route options and smooth connections. Our modern fleet offers spacious cabins featuring fully flat beds* in Business class, roomy Premium Economy seats, and comfortable Economy seats. Our inflight entertainment system and high-speed Wi-Fi connectivity allow you to stay connected and entertained throughout your flight. As you travel as a Cathay member, you will accumulate Asia Miles and Status Points, both of which unlock a variety of benefits.

*This feature is being rolled out gradually 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 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 .

Qualifying tickets include those issued directly by Cathay Pacific or oneworld alliance carriers under fare classes that are eligible for earning Status Points. When you make your booking and when you review your itinerary digitally, you can see the total number of Status Points and Asia Miles your trip will generate, based on the carrier, cabin, fare type, and total flight distance travelled.

Provided your ticket meets the eligibility criteria, Status Points will be credited to your account following the completion of your flight. When travelling with our partners, you can continue to gather Status Points towards elevating your Cathay membership, subject to fare and cabin eligibility.

Discover a range of advantages the next time you arrange an adventure through Cathay Pacific, including our updated Economy fares , giving you options, flexibility, and outstanding value. Our current flight and holiday package offers are regularly updated to ensure you receive greater flexibility and ease during your flights with Cathay Pacific.