Hi, I've summed up all the key info for Boston to Hong Kong flights

Cheapest one-way

$ 449
Hainan Airlines Wed, Sep 30

52% below next 30d avg. ($927)

Cheapest round-trip

$ 1,026
Hainan Airlines Sun, Sep 27

33% below next 30d avg. ($1,538)

Fastest flight

15h 15m5m faster than avg. (15h 20m)

Recommended airlines

When to travel

SeptemberCheapest month
JulyPeak month

With a lowest one-way fare of $449 , travelers can expect an average price of $927 for upcoming trips, while round-trip tickets start at $1,026 . Flights typically take around 15h 20m , but the fastest nonstop option completes the journey in just 15h 15m minutes. There are 7 flights weekly on this route. You can arrive at any of the following airports in Hong Kong: Hong Kong International Airport (HKG) . Flights from Boston Logan International Airport to Hong Kong International Airport (BOS-HKG) are by far the most popular option for this route. To secure the best rates, booking 40 days in advance is recommended, and the cheapest travel days are Tuesday, Wednesday, and Saturday .

Updated 21h ago · This content is an AI-powered summary based on Trip.com data. Prices and availability are subject to change. Please refer to actual prices, availability, and travel conditions.

Explore the cheapest one-way and round-trip flights from Boston to Hong Kong over the next 90 days, with one-way fares from $449 and round-trip from $1,026. Based on Trip.com's latest 7-day flight data.

Flight.News
Flights from Boston to Hong Kong operate an average of 3 times per day over the past 7 days, with a 100.0% on-time departure rate and a 100.0% on-time arrival rate.

Which airlines are the most popular for Boston to Hong Kong flights?

The most popular airlines flying from Boston to Hong Kong are Cathay Pacific, Japan Airlines, and United Airlines, among 6 carriers on this route. Hainan Airlines offers the lowest fares. Based on Trip.com's flight booking data from the previous 12 months.
Cathay Pacific logo Cathay Pacific
Japan Airlines logo Japan Airlines
United Airlines logo United Airlines
Air Canada logo Air Canada
Hainan Airlines logo Hainan Airlines
Turkish Airlines logo Turkish Airlines
Airlines are determined based on actual purchased flight tickets from Boston to Hong Kong according to previous 12 months data from Trip.com.

Trip.com price insights on flights from Boston to Hong Kong

Which month has the cheapest one-way flights from Boston to Hong Kong?

The average price of one-way flights from Boston to Hong Kong purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Boston to Hong Kong is April, with an average price of $728; while the month with the highest flight price is usually December, with an average price of up to $1,370.

$1,370
$1,049
$728
$407
    Cheapest
  • $865
    Sep
  • $1,119
    Oct
  • $941
    Nov
  • $1,370
    Dec
  • $746
    Jan
  • $1,055
    Feb
  • $858
    Mar
  • $728
    Apr
  • $1,179
    May
  • $1,084
    Jun
  • $1,167
    Jul
  • $997
    Aug

What is the cheapest month for round-trip flights from Boston to Hong Kong?

Average price of round-trip flights from Boston to Hong Kong purchased by Trip.com users by month over the past 12 months

According to historical data from Trip.com, the lowest prices for flights from Boston to Hong Kong are found during January, with an average price of $1,145. Conversely, the highest prices are found during August, with an average price of up to $2,297.

$2,297
$1,721
$1,145
$569
    Cheapest
  • $1,225
    Sep
  • $1,538
    Oct
  • $1,484
    Nov
  • $2,242
    Dec
  • $1,145
    Jan
  • $1,519
    Feb
  • $1,887
    Mar
  • $1,361
    Apr
  • $1,936
    May
  • $2,015
    Jun
  • $1,939
    Jul
  • $2,297
    Aug

When is the cheapest day to fly from Boston to Hong Kong during Columbus Day?

Data is based on the lowest one-way price from Boston to Hong Kong during Columbus Day on Trip.com in the past 3 days.

Columbus Day is scheduled for Oct 12. The cheapest flights from Boston to Hong Kong are available on Oct 14, with fares starting at $635.

$740
$688
$635
$583
    Cheapest
  • $740
    8
    Oct
  • $736
    9
  • $736
    10
  • $708
    11
  • $683
    12
  • $660
    13
  • $635
    14

Frequently Asked Questions

  • What are the cheapest flights from Boston to Hong Kong (BOS-HKG)?

    Based on Trip.com data, Hainan Airlines offers one-way fares as low as $449 on Cheapest nonstop routes (e.g. BOS to HKG on Wed, Sep 30), while Hainan Airlines offers Cheapest nonstop round-trips from $1,026 departing on Sun, Sep 27 and returning on Thu, Oct 1.
  • At the moment, you can catch a nonstop flight from Boston to Hong Kong with the following airlines, including: Cathay Pacific United Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 15 hours 20 minutes to fly from Boston (BOS) to Hong Kong (HKG).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Boston to Hong Kong is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 7 flight per week flying from Boston to Hong Kong. You can check the weekly schedule for popular airlines on this route below: Cathay Pacific: S/M/T/W/T/F/S -- CX811 (01:55)
  • To find best deals on flights from Boston to Hong Kong, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Sep 30, with one-way flights priced at just $449.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Cathay Pacific.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Hong Kong travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Boston to Hong Kong is September, when demand for travel is lower.
  • After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Boston to Hong Kong on September 16, 2026 with Hainan Airlines, with prices starting at $880.
  • You can arrive at any of the following airports in Hong Kong: Hong Kong International Airport (HKG). Flights from Boston Logan International Airport to Hong Kong International Airport (BOS-HKG) are by far the most popular option for this route.
  • The time difference between Hong Kong and Boston is 13h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Boston to Hong Kong is $927. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Boston to Hong Kong is $1,538. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter Boston and Hong Kong, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.