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

Cheapest one-way

S$ 129
Trinity Airways Tue, Sep 22

69% below next 30d avg. (S$ 415)

Cheapest return

S$ 224
Trinity Airways Thu, Sep 24

57% below next 30d avg. (S$ 524)

Best time to book

September Cheapest month
January Peak month

Fastest flight

3h 25m Avg: 3h 23m

Recommended airlines

With a lowest one-way fare of S$ 129 , travelers can expect an average price of S$ 415 for upcoming trips, while round-trip tickets start at S$ 224 . Flights typically take around 3h 23m , but the fastest nonstop option completes the journey in just 3h 25m minutes. Flights to Busan can arrive at: Gimhae International Airport (PUS) . The most common route connects Hong Kong International Airport and Gimhae International Airport (HKG–PUS). To secure the best rates, booking 40 days in advance is recommended, and the cheapest travel days are Tuesday, Wednesday, and Saturday .

Updated 4d 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 Hong Kong to Busan over the next 90 days, with one-way fares from S$ 129 and round-trip from S$ 224. Based on Trip.com's latest 7-day flight data.

Flight.News
Over the past 7 days, flights from Hong Kong to Busan have operated an average of 4 times per day, with 35.5% on-time departure rate and 100.0% on-time arrival rate.

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

You can choose from 2 airlines flying from Hong Kong to Busan, including HK Express, Trinity Airways and . Trinity Airways currently offers the cheapest direct ticket on this route.
HK Express logo HK Express
Trinity Airways logo Trinity Airways
Airlines are determined based on actual purchased flight tickets from Hong Kong to Busan according to previous 12 months data from Trip.com.

Flying from Hong Kong to Busan

The distance between Hong Kong and Busan is approximately 2,021.32km. It takes around 3 hours 23 minutes on average to fly from Hong Kong to Busan. Based on Trip.com's data, travel demand peaks in January. The off-season for travel is September.

Cheapest one-way flight price S$ 129
Cheapest return ticket price S$ 224
Off-season for travel September
Peak season for travel January
Flight distance 2,021.32km
Average flight time 3 hours 23 minutes
Popular airline HK Express
Frequency ~10/week
Flight statistics for the Hong Kong–Busan route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Hong Kong to Busan.

What is the cheapest month for one-way flights from Hong Kong to Busan?

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

Based on Trip.com’s data, the cheapest month for flights from Hong Kong to Busan is September, with an average price of S$ 126, and the most expensive month is December, with an average price of up to S$ 179.

S$ 179
S$ 153
S$ 126
S$ 100
  • S$ 126
    Sep
  • S$ 144
    Oct
  • S$ 153
    Nov
  • S$ 179
    Dec
  • S$ 159
    Jan
  • S$ 177
    Feb
  • S$ 175
    Mar
  • S$ 151
    Apr
  • S$ 167
    May
  • S$ 168
    Jun
  • S$ 162
    Jul
  • S$ 161
    Aug

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

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

Based on Trip.com’s data, the cheapest month for round-trip flights from Hong Kong to Busan is July, with an average price of S$ 325, and the most expensive month is April, with an average price of up to S$ 580.

S$ 580
S$ 453
S$ 325
S$ 198
    Cheapest
  • S$ 336
    Sep
  • S$ 445
    Oct
  • S$ 414
    Nov
  • S$ 477
    Dec
  • S$ 380
    Jan
  • S$ 522
    Feb
  • S$ 428
    Mar
  • S$ 580
    Apr
  • S$ 433
    May
  • S$ 465
    Jun
  • S$ 325
    Jul
  • S$ 361
    Aug

Frequently Asked Questions

  • Which airlines offer the cheapest flights from Hong Kong to Busan?

    Based on Trip.com data, Trinity Airways offers Cheapest nonstop one-way flights from S$ 129 (for example, HKG–PUS on Tue, Sep 22). For a Cheapest nonstop return flight, Trinity Airways offers fares from S$ 224, departing on Thu, Sep 24 and returning on Sun, Sep 27.
  • At the moment, you can catch a direct flight from Hong Kong to Busan with the following airlines, including: HK Express Trinity Airways Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 3 hours 23 minutes to fly from Hong Kong (HKG) to Busan (PUS).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Hong Kong to Busan 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.
  • On average, 19 direct flights operate each week between Hong Kong and Busan. See below the schedules of the main airlines serving this route:
    HK Express: S/M/T/W/T/F/S – UO674 (departure at 09:26) Trinity Airways: S/M/T/W/T/F/S – TW640 (departure at 02:26)
  • Here are some tips for finding the best flight deals from Hong Kong to Busan on Trip.com:
    · Be flexible with your travel dates. The cheapest flight is currently on Tue, Sep 22, with one-way fares from just S$ 129.
    · Compare airlines. Trinity Airways currently offers the lowest fares on this route.
    · Set up a price alert to track fare changes without searching every day.
    · Check Trip.com regularly for flight deals and available promo codes.
    · Avoid peak season or book early. January is generally the busiest month for travel to Busan.
    · Get exclusive promo codes on the Trip.com app.
  • The cheapest month to book a flight from Hong Kong to Busan is usually September, when demand is lower.
  • After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Hong Kong to Busan on September 15, 2026 with HK Express, with prices starting at S$ 221.
  • Flights to Busan can arrive at: Gimhae International Airport (PUS). The most common route connects Hong Kong International Airport and Gimhae International Airport (HKG–PUS).
  • The time difference between Busan and Hong Kong is 1h.
  • Tickets can only be changed or cancelled 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 Hong Kong to Busan is S$ 415. 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 Hong Kong to Busan is S$ 524. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter Hong Kong and Busan, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveller details and complete payment to receive your confirmation.
  • HK Express, Trinity Airways and Eastar Jetare the most popular budget airlines flying from Hong Kong to Busan. Check baggage, seat and payment fees before comparing the final price.

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

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.