Question 1

Which airlines fly to Southeast Asia?

Accepted Answer

British Airways, Qatar Airways and KLM are the top three most popular airlines that fly to Southeast Asia from Belfast Intl Airport according to our data. British Airways is the first choice among our users, with 45% 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.

Question 2

What is the cheapest time of day to depart on your flight to Southeast Asia?

Accepted Answer

In the afternoon is the cheapest time of day to fly from Belfast Intl Airport to Southeast Asia when you can find flight prices for as low as £667. Flying to Southeast Asia in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around £808. Of course, these prices can vary depending on the time of year and what airport you fly to.

Question 3

Can stopping save me money on Belfast Intl Airport to Southeast Asia flights?

Accepted Answer

No. A direct flight is the cheapest option for a flight between Belfast Intl Airport to Southeast Asia.

Question 4

What is the cheapest month to fly to Southeast Asia?

Accepted Answer

The month of August is, on average, the cheapest month to fly to Southeast Asia from Belfast Intl Airport, with most prices found around £598. If you are unable to visit Southeast Asia during the month of August, then departing from Belfast Intl Airport during the month September is also very affordable. Most momondo users find prices during this month for around £617.

Question 5

What is the cheapest day to depart on your flight to Southeast Asia?

Accepted Answer

Our data shows that Tuesday is the least expensive day to fly to Southeast Asia. Tickets to fly out on this day can be as low as £609. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Southeast Asia on Friday is £726.

Question 6

How far in advance should I book a flight to Southeast Asia?

Accepted Answer

You are more likely to see cheaper flights to Southeast Asia from Belfast Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around £765 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 Belfast Intl Airport for as low as £586 on momondo.

Question 7

When did momondo last update prices for flights from Belfast Intl Airport to Southeast Asia?

Accepted Answer

Prices for flights from Belfast Intl Airport to Southeast Asia refresh daily.

Question 8

How many operators does momondo search for flights from Belfast Intl Airport to Southeast Asia?

Accepted Answer

As of July 2025, there are 4 operators available to choose from for flights from Belfast Intl Airport to Southeast Asia.

Question 9

How old do you have to be to fly from Belfast Intl Airport to Southeast Asia?

Accepted Answer

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast Intl Airport to Southeast Asia.

Question 10

What documentation or ID do you need to fly to Southeast Asia?

Accepted Answer

The travel and health documents you'll need for your trip to Southeast Asia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Southeast Asia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best price found	£292
Fastest flight time	15h 30m
Direct flights	None
Airports in Southeast Asia	6 airports

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £551	Free Cancellation	Rating 6.6 7,151 reviews	Search British Airways flights
KLM	PriceFrom £563	Free Cancellation	Rating 7.8 1,374 reviews	Search KLM flights
Malaysia Airlines	PriceFrom £680	Free Cancellation	Rating 7.4 269 reviews	Search Malaysia Airlines flights
Qatar Airways	PriceFrom £824	Free Cancellation	Rating 7.4 3,604 reviews	Search Qatar Airways flights

Cheap flights from Belfast Intl Airport to Southeast Asia from £292

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How to get the cheapest flight ticket from Belfast Intl Airport to Southeast Asia

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What is the cheapest month to fly to Southeast Asia?

What is the cheapest day to depart on your flight to Southeast Asia?

What is the cheapest time of day to depart on your flight to Southeast Asia?

How far in advance should I book a flight to Southeast Asia?

Can stopping save me money on Belfast Intl Airport to Southeast Asia flights?

No. A direct flight is the cheapest option for a flight between Belfast Intl Airport to Southeast Asia.

Which airlines fly to Southeast Asia?

Cheap Belfast Intl Airport to Southeast Asia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast Intl Airport to Southeast Asia

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Direct flights

Airports in Southeast Asia

When did momondo last update prices for flights from Belfast Intl Airport to Southeast Asia?

How many operators does momondo search for flights from Belfast Intl Airport to Southeast Asia?

How old do you have to be to fly from Belfast Intl Airport to Southeast Asia?

What documentation or ID do you need to fly to Southeast Asia?

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Best airlines flying from Belfast Intl Airport to Southeast Asia

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