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

Qatar Airways and KLM 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 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.

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 April 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.

£299 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.

08:20 - 00:10

BFS

BKK

33h 50m

2 stops

19:35 - 14:00

BKK

BFS

24h 25m

2 stops

£452Multiple Airlines

Tue, 26 May - Tue, 9 Jun

07:00 - 00:10

BHD

BKK

35h 10m

2 stops

19:35 - 13:40

BKK

BHD

24h 05m

2 stops

£467Multiple Airlines

Tue, 26 May - Tue, 9 Jun

07:00 - 09:40

BFS

SIN

19h 40m

2 stops

21:00 - 15:15

SIN

BFS

25h 15m

2 stops

£527Multiple Airlines

Tue, 12 May - Tue, 19 May

08:50 - 08:25

BFS

KUL

40h 35m

3 stops

22:00 - 18:35

KUL

BFS

27h 35m

2 stops

£536Multiple Airlines

Tue, 26 May - Sat, 19 Sep

09:40 - 13:25

BHD

BKK

21h 45m

2 stops

20:00 - 12:55

BKK

BHD

22h 55m

2 stops

£684British Airways

Tue, 22 Sep - Mon, 19 Oct

18:20 - 19:05

BHD

BKK

18h 45m

2 stops

20:00 - 10:30

BKK

BHD

20h 30m

2 stops

£710British Airways

Tue, 22 Sep - Sun, 18 Oct

09:50 - 09:30

BHD

BKK

17h 40m

1 stop

12:05 - 16:55

BKK

BHD

34h 50m

1 stop

£715KLM

Mon, 7 Sep - Mon, 21 Sep

10:10 - 15:45

BHD

KUL

22h 35m

2 stops

02:05 - 17:45

KUL

BHD

22h 40m

2 stops

£860Qatar Airways

Mon, 11 May - Tue, 9 Jun

07:00 - 16:15

BHD

SIN

26h 15m

2 stops

01:05 - 20:50

SIN

BHD

26h 45m

2 stops

£1,126Qatar Airways

Thu, 14 May - Sun, 17 May

16:25 - 23:40

BHD

DPS

24h 15m

2 stops

08:40 - 20:35

DPS

BHD

66h 55m

2 stops

£1,134China Southern

Tue, 5 May - Sat, 16 May

Aer Lingus flights from Belfast to Southeast Asia

Our best Aer Lingus deals on Belfast to Southeast Asia flight tickets

Aer Lingus

27 Apr

BHD18:20Belfast City

30h 25m

2 stops

BKK06:45Bangkok Suvarnabhumi

4 May

BKK09:40Bangkok Suvarnabhumi

34h 10m

2 stops

BHD13:50Belfast City

£716

Aer Lingus

1 Jun

BHD11:05Belfast City

30h 45m

2 stops

BKK23:50Bangkok Suvarnabhumi

24 Jun

BKK03:15Bangkok Suvarnabhumi

20h 05m

2 stops

BHD17:20Belfast City

£732

Aer Lingus

1 Jun

BHD14:25Belfast City

21h 45m

2 stops

BKK18:10Bangkok Suvarnabhumi

24 Jun

BKK03:15Bangkok Suvarnabhumi

20h 05m

2 stops

BHD17:20Belfast City

£735

British Airways flights from Belfast to Southeast Asia

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

British Airways

22 Sept

BHD18:20Belfast City

18h 45m

2 stops

BKK19:05Bangkok Suvarnabhumi

20 Oct

BKK02:30Bangkok Suvarnabhumi

23h 10m

2 stops

BHD19:40Belfast City

£684

British Airways

22 Sept

BHD18:20Belfast City

18h 45m

2 stops

BKK19:05Bangkok Suvarnabhumi

18 Oct

BKK20:00Bangkok Suvarnabhumi

20h 30m

2 stops

BHD10:30Belfast City

£710

British Airways

22 Sept

BHD18:20Belfast City

18h 45m

2 stops

BKK19:05Bangkok Suvarnabhumi

23 Oct

BKK20:00Bangkok Suvarnabhumi

30h 35m

2 stops

BHD20:35Belfast City

£718

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Tue 26/5

08:20-00:10

2 stops33h 50m

Bangkok Suvarnabhumi

Tue 9/6

19:35-14:00

2 stops24h 25m

£452

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Tue 26/5

07:00-00:10

2 stops35h 10m

Bangkok Suvarnabhumi

Tue 9/6

19:35-13:40

2 stops24h 05m

£467

BelfastSingapore

BFS - SIN

BFSSIN

Belfast Intl

Tue 12/5

07:00-09:40

2 stops19h 40m

Singapore Changi

Tue 19/5

21:00-15:15

2 stops25h 15m

£527

BelfastKuala Lumpur

BFS - KUL

BFSKUL

Belfast Intl

Tue 26/5

08:50-08:25

3 stops40h 35m

Kuala Lumpur Intl

Sat 19/9

22:00-18:35

2 stops27h 35m

£536

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Tue 22/9

09:40-13:25

2 stops21h 45m

Bangkok Suvarnabhumi

Mon 19/10

20:00-12:55

2 stops22h 55m

£684

Fastest return journey

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Tue 22/9

18:20-19:05

2 stops18h 45m

Bangkok Suvarnabhumi

Sun 18/10

20:00-10:30

2 stops20h 30m

£710

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Mon 7/9

09:50-09:30

1 stop17h 40m

Bangkok Suvarnabhumi

Mon 21/9

12:05-16:55

1 stop34h 50m

£715

BelfastKuala Lumpur

BHD - KUL

BHDKUL

Belfast City

Mon 11/5

10:10-15:45

2 stops22h 35m

Kuala Lumpur Intl

Tue 9/6

02:05-17:45

2 stops22h 40m

£860

BelfastSingapore

BHD - SIN

BHDSIN

Belfast City

Thu 14/5

07:00-16:15

2 stops26h 15m

Singapore Changi

Sun 17/5

01:05-20:50

2 stops26h 45m

£1,126

BelfastDenpasar

BHD - DPS

BHDDPS

Belfast City

Tue 5/5

16:25-23:40

2 stops24h 15m

Denpasar Bali Ngurah Rai

Sat 16/5

08:40-20:35

2 stops66h 55m

£1,134

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 August is, on average, the cheapest month to fly to Southeast Asia from Belfast, with most prices found around £606. If you are unable to visit Southeast Asia during the month of August, then departing from Belfast during the month May is also very affordable. Most momondo users find prices during this month for around £635.

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 45m
Direct flights	None

The fastest flight from Belfast to Southeast Asia takes 17h 45m

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 April 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 £458	Free Cancellation	Rating 7.4 146 reviews	Search China Southern flights
British Airways	PriceFrom £557	Free Cancellation	Rating 6.7 7,853 reviews	Search British Airways flights
KLM	PriceFrom £571	Free Cancellation	Rating 7.7 1,487 reviews	Search KLM flights
Qatar Airways	PriceFrom £870	Free Cancellation	Rating 7.4 3,730 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.