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

KLM and British Airways are the most popular carriers 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 46% 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 February 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.

£280 Cheap Flights from Belfast to Southeast Asia in 2026

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Find the cheapest flights from Belfast to Southeast Asia

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

08:35 - 22:25

BFS

BKK

30h 50m

2 stops

01:55 - 20:10

BKK

BFS

25h 15m

2 stops

£549Multiple Airlines

Mon, 16 Mar - Sun, 22 Mar

17:45 - 10:10

BHD

BKK

33h 25m

2 stops

02:10 - 07:40

BKK

BHD

36h 30m

2 stops

£586Multiple Airlines

Mon, 16 Mar - Sun, 22 Mar

14:40 - 23:25

BFS

BKK

25h 45m

2 stops

18:20 - 19:05

BKK

BFS

31h 45m

3 stops

£588Multiple Airlines

Mon, 16 Mar - Mon, 23 Mar

07:50 - 21:05

BFS

BKK

30h 15m

2 stops

01:55 - 21:15

BKK

BFS

26h 20m

3 stops

£592Multiple Airlines

Mon, 2 Mar - Sun, 15 Mar

09:50 - 09:30

BHD

BKK

17h 40m

1 stop

12:05 - 09:20

BKK

BHD

27h 15m

1 stop

£598KLM

Sun, 3 May - Thu, 4 Jun

09:50 - 09:30

BHD

BKK

17h 40m

1 stop

12:05 - 09:20

BKK

BHD

27h 15m

1 stop

£605KLM

Mon, 4 May - Thu, 4 Jun

19:25 - 07:55

BHD

KUL

28h 30m

2 stops

23:20 - 08:25

KUL

BHD

17h 05m

1 stop

£757British Airways

Wed, 4 Mar - Sun, 8 Mar

19:25 - 07:55

BHD

KUL

28h 30m

2 stops

23:20 - 10:20

KUL

BHD

19h 00m

1 stop

£759British Airways

Wed, 4 Mar - Sun, 8 Mar

11:25 - 22:30

BHD

MNL

27h 05m

2 stops

17:55 - 18:40

MNL

BHD

56h 45m

2 stops

£815China Southern

Tue, 3 Mar - Sat, 7 Mar

10:35 - 14:55

BHD

SIN

20h 20m

2 stops

20:15 - 09:45

SIN

BHD

21h 30m

2 stops

£985Qatar Airways

Thu, 19 Mar - Mon, 23 Mar

KLM flights from Belfast to Southeast Asia

Our best KLM deals on Belfast to Southeast Asia flight tickets

KLM

3 May

BHD09:50Belfast City

17h 40m

1 stop

BKK09:30Bangkok Suvarnabhumi

4 Jun

BKK12:05Bangkok Suvarnabhumi

27h 15m

1 stop

BHD09:20Belfast City

£598

KLM

4 May

BHD09:50Belfast City

17h 40m

1 stop

BKK09:30Bangkok Suvarnabhumi

4 Jun

BKK12:05Bangkok Suvarnabhumi

27h 15m

1 stop

BHD09:20Belfast City

£605

KLM

6 Jun

BHD17:30Belfast City

34h 00m

1 stop

BKK09:30Bangkok Suvarnabhumi

27 Jun

BKK11:25Bangkok Suvarnabhumi

35h 30m

2 stops

BHD16:55Belfast City

£639

British Airways flights from Belfast to Southeast Asia

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

British Airways

4 May

BHD06:30Belfast City

24h 55m

2 stops

BKK13:25Bangkok Suvarnabhumi

1 Jun

BKK02:05Bangkok Suvarnabhumi

22h 40m

2 stops

BHD18:45Belfast City

£675

British Airways

3 May

BHD06:30Belfast City

29h 50m

2 stops

BKK18:20Bangkok Suvarnabhumi

31 May

BKK02:05Bangkok Suvarnabhumi

22h 40m

2 stops

BHD18:45Belfast City

£701

British Airways

23 Feb

BHD14:40Belfast City

20h 45m

2 stops

BKK18:25Bangkok Suvarnabhumi

12 Mar

BKK18:55Bangkok Suvarnabhumi

22h 25m

2 stops

BHD10:20Belfast City

£709

Fly from

Fly to

Route

Depart

Return

Price

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Mon 16/3

08:35-22:25

2 stops30h 50m

Bangkok Suvarnabhumi

Sun 22/3

01:55-20:10

2 stops25h 15m

£549

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Mon 16/3

17:45-10:10

2 stops33h 25m

Bangkok Suvarnabhumi

Sun 22/3

02:10-07:40

2 stops36h 30m

£586

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Mon 16/3

14:40-23:25

2 stops25h 45m

Bangkok Suvarnabhumi

Mon 23/3

18:20-19:05

3 stops31h 45m

£588

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Mon 2/3

07:50-21:05

2 stops30h 15m

Bangkok Suvarnabhumi

Sun 15/3

01:55-21:15

3 stops26h 20m

£592

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Sun 3/5

09:50-09:30

1 stop17h 40m

Bangkok Suvarnabhumi

Thu 4/6

12:05-09:20

1 stop27h 15m

£598

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Mon 4/5

09:50-09:30

1 stop17h 40m

Bangkok Suvarnabhumi

Thu 4/6

12:05-09:20

1 stop27h 15m

£605

BelfastKuala Lumpur

BHD - KUL

BHDKUL

Belfast City

Wed 4/3

19:25-07:55

2 stops28h 30m

Kuala Lumpur Intl

Sun 8/3

23:20-08:25

1 stop17h 05m

£757

BelfastKuala Lumpur

BHD - KUL

BHDKUL

Belfast City

Wed 4/3

19:25-07:55

2 stops28h 30m

Kuala Lumpur Intl

Sun 8/3

23:20-10:20

1 stop19h 00m

£759

BelfastManila

BHD - MNL

BHDMNL

Belfast City

Tue 3/3

11:25-22:30

2 stops27h 05m

Manila Ninoy Aquino Intl

Sat 7/3

17:55-18:40

2 stops56h 45m

£815

BelfastSingapore

BHD - SIN

BHDSIN

Belfast City

Thu 19/3

10:35-14:55

2 stops20h 20m

Singapore Changi

Mon 23/3

20:15-09:45

2 stops21h 30m

£985

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 May is, on average, the cheapest month to fly to Southeast Asia from Belfast, with most prices found around £578. If you are unable to visit Southeast Asia during the month of May, then departing from Belfast during the month August is also very affordable. Most momondo users find prices during this month for around £590.

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	17h 40m
Direct flights	None

The fastest flight from Belfast to Southeast Asia takes 17h 40m

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

Search flight deals

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 February 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
British Airways	PriceFrom £544	Free Cancellation	Rating 6.7 7,751 reviews	Search British Airways flights
KLM	PriceFrom £556	Free Cancellation	Rating 7.7 1,457 reviews	Search KLM flights
Malaysia Airlines	PriceFrom £617	Free Cancellation	Rating 7.3 293 reviews	Search Malaysia Airlines flights
Qatar Airways	PriceFrom £811	Free Cancellation	Rating 7.4 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.