Cheap flights from Brussels Bruxelles-National Airport to Southeast Asia from €274

The cheapest month to fly to Southeast Asia from Brussels Bruxelles-National Airport is in November. Flight prices, which tend to average around €712, are often lower during this time because this is during the off-season. If you’re not able to fly to Southeast Asia in November, then May is your next best option. Flight prices from Brussels Bruxelles-National Airport to Southeast Asia during May average around €715.

Fly from Brussels Bruxelles-National to Bangkok Suvarnabhumi for the best Brussels Bruxelles-National - Southeast Asia flight prices

You are more likely to see cheaper flights to Southeast Asia from Brussels Bruxelles-National Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around €693 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 Brussels Bruxelles-National Airport for as low as €645 on momondo.

There are 3 cabin classes available to choose from on Brussels Bruxelles-National Airport to Southeast Asia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of August 2026, there are 2 flights per day flying from Brussels Bruxelles-National Airport to Southeast Asia. The most common time of day flights depart is 11:00, with 61% of flights taking off at midday.

As of August 2026, there are 14 flights per week flying from Brussels Bruxelles-National Airport to Southeast Asia. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.