Cheap flights from Hong Kong to Southeast Asia from $112

The cheapest month to fly to Southeast Asia from Hong Kong is in March. Flight prices, which tend to average around $415, are often lower during this time because this is during the off-season. The month of June is another great option to travel to Southeast Asia, with average flight prices from Hong Kong averaging around $436.

Our data shows that Friday is the least expensive day to fly to Southeast Asia. Tickets to fly out on this day can be as low as $440. On the other hand, Wednesday is the most expensive day to depart from Hong Kong because it is more convenient for both business and leisure travellers. As a result, prices tend to be around $1,016.

In the evening is the cheapest time of day to fly from Hong Kong to Southeast Asia when you can find flight prices for as low as $440. Flying to Southeast Asia in the evening is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive, with an average ticket price of $630.

Fly from Hong Kong Intl to Angeles City Clark Intl for the best Hong Kong Intl - Southeast Asia flight prices

You are more likely to see cheaper flights to Southeast Asia from Hong Kong when booking weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around $550 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southeast Asia from Hong Kong for as low as $427 on momondo.

There are 4 cabin classes available to choose from on Hong Kong Intl to Southeast Asia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

HK Express, Philippines AirAsia, and AirAsia are the most popular carriers operating from Hong Kong Intl to Southeast Asia

HK Express, Cathay Pacific and Cebu Pacific are the top three most popular airlines that fly to Southeast Asia from Hong Kong according to our data. HK Express is the first choice among our users, with 58% of people opting to fly with this airline when travelling to Southeast Asia. Keep in mind that there are 6 different airlines that fly to Southeast Asia on a routine basis, so you have a few additional options to choose from.

As of February 2026, there are 203 flights per day flying from Hong Kong to Southeast Asia. The most common time of day flights depart is 16:00, with 37% of flights taking off in the afternoon.

As of February 2026, 1,423 flights take off from Hong Kong and land in Southeast Asia each week. The most common flight departure day for this route is Wed, with 17% of weekly flights taking off on this day.