Book a trip from Boston to Bangkok with Cathay Pacific , fares from USD991

Begin your journey from Boston to Bangkok 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 21 hours and 15 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 the online check-in service is the most straightforward method to conserve time and bypass lines at the airport. You have the option to complete this process via a computer or mobile device starting 48 hours prior to your scheduled departure, allowing you to choose or modify your seat assignment and obtain your boarding pass in either a digital or printed format, based on local rules and your origin location. Cathay Green members and those in higher tiers can benefit from priority online check-in for added convenience. Depending on your ticket type and cabin, you may also be able to pre-select meals to suit your dietary preferences.

In the event of a delay or cancellation of your Cathay Pacific flight to Bangkok, 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 your arrival in Hong Kong, follow the signage leading to the departure level for your connecting flight. If you possess your onward boarding pass, you can proceed through security screening and head to your departure gate. Otherwise, our team at the transfer desks will assist you with the check-in process and address any inquiries. Passengers aged seven and older with eligible travel documents can utilise the e-Security Gates to ensure a swifter process. For the most current details regarding transfers and transfer desk locations, please consult the transfer guide .

Hong Kong International Airport offers a comfortable and restorative layover experience with a wide range of activities, dining, shopping, and entertainment options. For moments of calm and fresh air, the Sky Garden terrace on Level 7 of the East Hall is a tranquil, plant-filled outdoor space offering views of the tarmac. Dining options are diverse, offering quality European and Asian fare at cafés like Maison Kayser and % Arabica. For a more elevated experience, the Intervals Sky Bar is on Level 9 of the Sky Bridge. The Sky Bridge itself connects Terminal 1 and the North Satellite Concourse and features a transparent observation walkway for striking views of aircraft below. Families will appreciate the dedicated family play spaces and children's areas throughout the terminal. Finally, HKIA boasts an extensive, high-quality retail environment with a wide variety of retail outlets, from luxury brands to local souvenirs, perfect for some last-minute shopping.

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 .

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 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.

Your specific carry-on baggage allowance depends on your selected cabin class. Economy and Premium economy passengers are permitted to board with one piece of carry-on baggage weighing a maximum of 7kg, accompanied by a small personal item. Business class passengers possess the allowance to board with up to 10kg of carry-on baggage alongside a personal item, and First class passengers can bring up to 15kg of carry-on baggage plus a personal item. Every piece of carry-on baggage must strictly adhere to the defined size limits of 56 x 36 x 23cm, and the personal item must easily fit underneath 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 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 the amount of Asia Miles you will gain while travelling from Boston to Bangkok 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 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 with Cathay Pacific means greater flexibility, access to exclusive promotions, and dedicated customer support compared with third-party channels. Direct bookings include benefits such as complimentary 24-hour cancellation privileges, more flexible fare options, and bonus Asia Miles alongside select discounts on travel add-ons. Passengers receive priority support for changes or disruptions, seamless earning and redemption of Asia Miles, and priority upgrade opportunities for Cathay members.

*Terms and conditions apply. Visit our dedicated page to review the details.

Status Points determine your specific Cathay membership tier and the privileges that come with it. These revert to zero at the commencement of every Cathay membership year following a renewal, upgrade, or downgrade in status. Asia Miles functions as an exchangeable reward currency designed to redeem flight tickets and everyday lifestyle rewards, and remains active for a duration of three years. Status Points serve the purpose of elevating your membership tier standing, and Asia Miles allows you to redeem more memorable excursions and retail.

The different Cathay membership categories—Green, Silver, Gold, and Diamond—each tier delivers degrees of recognition and privileges, the more you journey with us.

Green members receive foundational Cathay membership benefits, which feature access to promotions and priority online check-in 48 hours prior to departure. Green members can secure seats with additional legroom with Asia Miles, subject to seat availability, and enjoy two days of complimentary access to PressReader with every flight booking. 

Silver members retain all the benefits of the Green tier, along with priority check-in at Business class counters, entry to designated Business class lounges, and priority baggage handling. Silver membership also offers enhanced earnings of Asia Miles when you make purchases or dine at our restaurant partners.

Gold members can travel with one additional piece of checked luggage and can enjoy guaranteed Economy seating on Cathay Pacific flights. Gold members also receive a pair of complimentary Business class lounge invitations, upgrade opportunities, paired with higher accumulation of Asia Miles.

Diamond members can enjoy First class check-in services, access to all First class and Business class lounges, and the privilege of inviting companions. Diamond members also benefit from priority baggage handling and exclusive promotions at partner hotels and dining venues.

You can read further information regarding Status Points and the privileges of every category here .

Qualifying flight tickets are exclusively those issued by Cathay Pacific or our oneworld alliance partners within fare classes eligible for earning Status Points. As you book your journey and review your itinerary, you will see how many Status Points and Asia Miles your transaction yields, calculated by the carrier, cabin, fare type, and the distance flown.

Provided your ticket meets the eligibility criteria, Status Points will reflect in your profile upon the completion of your flight. Passengers flying onboard our partner carriers remain eligible to earn Status Points to elevate their Cathay membership, subject to fare and cabin eligibility.

Discover an assortment of advantages as you book your holiday through Cathay Pacific, featuring our Economy fares , designed to supply you with expansive options, flexibility, and value. Our most recent flight and holiday package offers are consistently refreshed to ensure you receive greater convenience and freedom throughout your travels alongside Cathay Pacific.