Book a trip from Boston to Hanoi with Cathay Pacific , fares from USD1,117

Begin your journey from Boston to Hanoi 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 21 hours and 10 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.

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.

Should your Cathay Pacific flight to Hanoi experience a delay or cancellation, we will provide you with timely updates via our flight status page , airport display screens, public announcement, or SMS notifications such as notiFLY. If your flight is delayed, we will communicate your updated check-in and boarding times as soon as the revised schedules are finalised. In the event that a delay causes you to miss a connecting flight, assistance will be provided to help arrange onward travel. For further details, please review your rights and regulations prior to departure or simply reach out to us .

When you arrive in Hong Kong, simply follow the signage to the departures level for your onward journey. Passengers holding their connecting flight boarding pass may proceed through security clearance and head towards their gate. Those needing assistance can visit our transfer desks, where our team will assist with check-in and address any enquiries. Passengers aged seven and older holding eligible travel documents may utilise the e-Security Gates for expedited clearance. To find the most up-to-date details regarding transit procedures and desk locations, please consult the transfer guide .

You will find that there are plenty of things to do at Hong Kong International Airport to ensure a more enjoyable layover for your journey from Boston to Hanoi. The Sky Garden terrace, located on Level 7 of the East Hall, offers a tranquil environment filled with greenery and vantage points of the runway. Coffee enthusiasts will appreciate outlets such as Maison Kayser or % Arabica, and those seeking a more distinctive atmosphere can head up to the Intervals Sky Bar on Level 9 within the Sky Bridge to savour beverages accompanied by a panoramic view. Families will find interactive play spaces and dedicated zones designed to keep younger passengers occupied. You can also explore the retail offerings or admire the various observation areas across the facility, such as the glass-floored Sky Bridge that presents captivating perspectives of aircraft taxiing right beneath you.

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 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 amount of carry-on baggage allocated is determined by cabin class. Economy and Premium Economy passengers can bring one primary piece of carry-on baggage with a maximum weight of 7kg, including a single small personal item. Business class passengers can carry up to 10kg of carry-on baggage alongside their personal item, while First class passengers are granted an allowance of up to 15kg for their carry-on baggage and a personal item. Every piece of carry-on baggage must meet the size requirements of 56 x 36 x 23cm, and your personal item must be small enough to be stored directly 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 the inflight shopping service with our onboard Wi-Fi , which is available across most of our aircraft. By linking your personal device to the onboard "Cathay Pacific" Wi-Fi network and navigating to the shopping portal, you can peruse an assortment of products sourced from a vast array of brands. Members can securely log in to their accounts to redeem Asia Miles for their purchases or earn rewards as they shop.

To determine the amount of Asia Miles you will accumulate while travelling from Boston to Hanoi with Cathay Pacific, use our Status Points and Asia Miles calculator . The total of Asia Miles awarded relies largely on three distinct elements: the total distance of your journey, your travel cabin, and the fare type, as flexible and premium fares typically yield a greater number of Asia Miles and Status Points. Be sure to note that the accrual of Asia Miles and Status Points applies to flight services officially marketed under the Cathay Pacific brand.

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 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.

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.