What is the cheapest airline that flies from Belfast to Southeast Asia?

KLM is the most popular carrier operating from Belfast to Southeast Asia

Which airlines fly to Southeast Asia?

Qatar Airways, British Airways and KLM are the top three most popular airlines that fly to Southeast Asia from Belfast according to our data. Qatar Airways 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 4 different airlines that fly to Southeast Asia on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Belfast to Southeast Asia refresh daily.

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

There are 4 operators available for flights from Belfast to Southeast Asia as of June 2026.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast to Southeast Asia.

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

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.

£336 Cheap Flights from Belfast to Southeast Asia in 2026

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Find the cheapest flights from Belfast to Southeast Asia

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

17:40 - 12:20

BFS

BKK

35h 40m

1 stop

14:50 - 08:45

BKK

BFS

24h 55m

1 stop

£624Multiple Airlines

Tue, 27 Oct - Thu, 29 Oct

21:05 - 12:10

BFS

BKK

33h 05m

3 stops

15:55 - 23:20

BKK

BFS

37h 25m

3 stops

£634Multiple Airlines

Wed, 2 Sep - Mon, 21 Sep

07:00 - 12:20

BFS

BKK

22h 20m

2 stops

14:50 - 08:45

BKK

BFS

24h 55m

1 stop

£644Multiple Airlines

Tue, 27 Oct - Thu, 29 Oct

09:50 - 09:15

BHD

BKK

17h 25m

2 stops

12:05 - 09:20

BKK

BHD

27h 15m

1 stop

£658KLM

Wed, 2 Sep - Mon, 21 Sep

17:30 - 09:15

BHD

BKK

33h 45m

2 stops

12:05 - 16:55

BKK

BHD

34h 50m

1 stop

£669KLM

Tue, 1 Sep - Tue, 29 Sep

09:50 - 09:15

BHD

BKK

17h 25m

2 stops

11:25 - 16:55

BKK

BHD

35h 30m

2 stops

£685KLM

Wed, 2 Sep - Mon, 21 Sep

17:30 - 09:30

BHD

BKK

34h 00m

1 stop

12:05 - 09:20

BKK

BHD

27h 15m

1 stop

£706KLM

Wed, 2 Sep - Mon, 21 Sep

09:40 - 19:25

BHD

BKK

27h 45m

2 stops

02:30 - 17:30

BKK

BHD

21h 00m

2 stops

£711British Airways

Tue, 1 Sep - Mon, 28 Sep

07:40 - 14:40

BHD

KUL

23h 00m

2 stops

23:15 - 09:05

KUL

BHD

17h 50m

1 stop

£834British Airways

Thu, 26 Nov - Mon, 30 Nov

07:40 - 14:40

BHD

KUL

23h 00m

2 stops

23:15 - 09:05

KUL

BHD

17h 50m

1 stop

£835British Airways

Thu, 26 Nov - Mon, 30 Nov

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KLM flights from Belfast to Southeast Asia

Our best KLM deals on Belfast to Southeast Asia flight tickets

KLM

2 Sept

BHD09:50Belfast City

17h 25m

2 stops

BKK09:15Bangkok Suvarnabhumi

21 Sept

BKK12:05Bangkok Suvarnabhumi

27h 15m

1 stop

BHD09:20Belfast City

£658

KLM

1 Sept

BHD17:30Belfast City

33h 45m

2 stops

BKK09:15Bangkok Suvarnabhumi

29 Sept

BKK12:05Bangkok Suvarnabhumi

34h 50m

1 stop

BHD16:55Belfast City

£669

KLM

2 Sept

BHD09:50Belfast City

17h 25m

2 stops

BKK09:15Bangkok Suvarnabhumi

21 Sept

BKK11:25Bangkok Suvarnabhumi

35h 30m

2 stops

BHD16:55Belfast City

£685

British Airways flights from Belfast to Southeast Asia

Our best British Airways deals on Belfast to Southeast Asia flight tickets

British Airways

1 Sept

BHD09:40Belfast City

27h 45m

2 stops

BKK19:25Bangkok Suvarnabhumi

28 Sept

BKK02:30Bangkok Suvarnabhumi

21h 00m

2 stops

BHD17:30Belfast City

£711

British Airways

26 Nov

BHD07:40Belfast City

23h 00m

2 stops

KUL14:40Kuala Lumpur Intl

30 Nov

KUL23:15Kuala Lumpur Intl

17h 50m

1 stop

BHD09:05Belfast City

£834

British Airways

26 Nov

BHD07:40Belfast City

23h 00m

2 stops

KUL14:40Kuala Lumpur Intl

30 Nov

KUL23:15Kuala Lumpur Intl

17h 50m

1 stop

BHD09:05Belfast City

£835

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Tue 27/10

17:40-12:20

1 stop35h 40m

Bangkok Suvarnabhumi

Thu 29/10

14:50-08:45

1 stop24h 55m

£624

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Wed 2/9

21:05-12:10

3 stops33h 05m

Bangkok Suvarnabhumi

Mon 21/9

15:55-23:20

3 stops37h 25m

£634

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Tue 27/10

07:00-12:20

2 stops22h 20m

Bangkok Suvarnabhumi

Thu 29/10

14:50-08:45

1 stop24h 55m

£644

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Wed 2/9

09:50-09:15

2 stops17h 25m

Bangkok Suvarnabhumi

Mon 21/9

12:05-09:20

1 stop27h 15m

£658

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Tue 1/9

17:30-09:15

2 stops33h 45m

Bangkok Suvarnabhumi

Tue 29/9

12:05-16:55

1 stop34h 50m

£669

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Wed 2/9

09:50-09:15

2 stops17h 25m

Bangkok Suvarnabhumi

Mon 21/9

11:25-16:55

2 stops35h 30m

£685

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Wed 2/9

17:30-09:30

1 stop34h 00m

Bangkok Suvarnabhumi

Mon 21/9

12:05-09:20

1 stop27h 15m

£706

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Tue 1/9

09:40-19:25

2 stops27h 45m

Bangkok Suvarnabhumi

Mon 28/9

02:30-17:30

2 stops21h 00m

£711

Fastest return journey

BelfastKuala Lumpur

BHD - KUL

BHDKUL

Belfast City

Thu 26/11

07:40-14:40

2 stops23h 00m

Kuala Lumpur Intl

Mon 30/11

23:15-09:05

1 stop17h 50m

£834

BelfastKuala Lumpur

BHD - KUL

BHDKUL

Belfast City

Thu 26/11

07:40-14:40

2 stops23h 00m

Kuala Lumpur Intl

Mon 30/11

23:15-09:05

1 stop17h 50m

£835

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Southeast Asia?

The month of January is, on average, the cheapest month to fly to Southeast Asia from Belfast, with most prices found around £457. If you are unable to visit Southeast Asia during the month of January, then departing from Belfast during the month June is also very affordable. Most momondo users find prices during this month for around £602.

Cheap Belfast to Southeast Asia flight deals and tips

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

Fastest flight time	16h 25m
Direct flights	None

The fastest flight from Belfast to Southeast Asia takes 16h 25m

There are no direct flights from Belfast to Southeast Asia. There are no popular flight routes from Belfast to Southeast Asia.

Search flight deals

Frequently asked questions about flying from Belfast to Southeast Asia

When did momondo last update prices for flights from Belfast to Southeast Asia?
Prices for flights from Belfast to Southeast Asia refresh daily.
How many operators does momondo search for flights from Belfast to Southeast Asia?
There are 4 operators available for flights from Belfast to Southeast Asia as of June 2026.
How old do you have to be to fly from Belfast to Southeast Asia?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast to Southeast Asia.
What documentation or ID do you need to fly to Southeast Asia?
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 airlines flying from Belfast to Southeast Asia

Compare and see reviews for airlines that fly from Belfast to Southeast Asia with momondo

Airline	Rating	Free Cancellation	Price
China Southern	PriceFrom £457	Free Cancellation	Rating 7.5 154 reviews	Search China Southern flights
KLM	PriceFrom £666	Free Cancellation	Rating 7.8 1,531 reviews	Search KLM flights
British Airways	PriceFrom £681	Free Cancellation	Rating 6.7 8,088 reviews	Search British Airways flights
Qatar Airways	PriceFrom £838	Free Cancellation	Rating 7.3 3,738 reviews	Search Qatar Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Belfast to Southeast Asia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Belfast to Southeast Asia. momondo saves you time and could save you money on your trip.

Can I find flights from Belfast to Southeast Asia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Belfast to Southeast Asia flights to just show those with flexible booking policies.

How can momondo help me find flights from Belfast to Southeast Asia?

Once you have performed a search for Belfast to Southeast Asia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Belfast to Southeast Asia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Belfast to Southeast Asia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Southeast Asia and let you know when they change.