Cheap flights from Hong Kong to Southeast Asia from C$ 140

The cheapest month to fly to Southeast Asia from Hong Kong is in November. Flight prices, which tend to average around C$ 271, are often lower during this time because this is during the off-season. If you don’t want to visit Southeast Asia in November, then you should wait until September to fly from Hong Kong, when ticket prices are also cheap, with an average price of C$ 279.

The cheapest day to depart from Hong Kong to Southeast Asia is on a Sunday when prices can be found for as low as C$ 178. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around C$ 1,046. These prices are subject to change though, so be sure to set up a Price Alert for flights to Southeast Asia.

According to our data, the cheapest time of day to fly to Southeast Asia is in the morning. momondo users have found flights departing from Hong Kong to Southeast Asia in the morning for as low as C$ 242. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Southeast Asia are more costly at noon, with an average ticket price of C$ 1,168. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Hong Kong Intl to Manila Ninoy Aquino 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 C$ 225 when searching weeks out. 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 C$ 201 on momondo.

United Airlines, Vietnam Airlines, and AirAsia are the most popular carriers operating from Hong Kong Intl to Southeast Asia

HK Express, Cathay Pacific and Singapore Airlines 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 60% of people opting to fly with this airline when travelling to Southeast Asia. Keep in mind that there are 9 different airlines that fly to Southeast Asia on a routine basis, so you have a few additional options to choose from.

As of May 2026, there are 209 flights per day flying from Hong Kong to Southeast Asia. The most common time of day flights depart is 8:00a.m., with 33% of flights taking off in the afternoon.

The number of flights available between Hong Kong and Southeast Asia is 1,464 per week as of May 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.