Cheap flights from Hanoi to Southeast Asia from C$ 75

The cheapest month to fly to Southeast Asia from Hanoi is in September. Flight prices, which tend to average around C$ 138, are often lower during this time because this is during the off-season. If you don’t want to visit Southeast Asia in September, then you should wait until November to fly from Hanoi, when ticket prices are also cheap, with an average price of C$ 141.

The cheapest day to depart from Hanoi to Southeast Asia is on a Tuesday when prices can be found for as low as C$ 423. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around C$ 1,292. 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 evening. momondo users have found flights departing from Hanoi to Southeast Asia in the evening for as low as C$ 557. 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 in the morning, with an average ticket price of C$ 1,292. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Hanoi Noibai to Ho Chi Minh City for the best Hanoi Noibai - Southeast Asia flight prices

You are more likely to see cheaper flights to Southeast Asia from Hanoi when booking weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around C$ 405 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southeast Asia from Hanoi for as low as C$ 270 on momondo.

VietJet Air and Vietnam Airlines are the most popular carriers operating from Hanoi Noibai to Southeast Asia

VietJet Air, Vietnam Airlines and Thai AirAsia are the top three most popular airlines that fly to Southeast Asia from Hanoi according to our data. VietJet Air is the first choice among our users, with 49% of people opting to fly with this airline when travelling to Southeast Asia. Keep in mind that there are 4 different airlines that fly to Southeast Asia on a routine basis, so you have a few additional options to choose from.

As of April 2026, 144 flights take off from Hanoi and land in Southeast Asia each day. The most common flight departure time for this route is 12:00p.m., with 32% of daily flights taking off at noon.

As of April 2026, there are 1,013 flights per week flying from Hanoi to Southeast Asia. The most common day of the week flights depart is Thu, with 19% of flights taking off on this day.