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

Finnair 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 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.

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 October 2025.

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.

£267 Cheap Flights from Belfast to Southeast Asia in 2025/26

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Find the cheapest flights from Belfast to Southeast Asia

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

08:50 - 14:15BFS-KUL

45h 25m3 stops

09:35 - 09:20KUL-BFS

31h 45m2 stops

£473Multiple Airlines

Find Deal

Wed, 19 Nov - Wed, 26 Nov

08:50 - 06:00BFS-KUL

37h 10m3 stops

13:40 - 16:10KUL-BFS

34h 30m3 stops

£478Multiple Airlines

Find Deal

Wed, 19 Nov - Wed, 26 Nov

12:10 - 18:40BHD-SIN

46h 30m2 stops

22:05 - 14:15SIN-BHD

24h 10m2 stops

£642Finnair

Find Deal

Sun, 18 Jan - Mon, 26 Jan

09:05 - 14:40BHD-KUL

21h 35m2 stops

10:15 - 07:30KUL-BHD

29h 15m2 stops

£711British Airways

Find Deal

Thu, 13 Nov - Thu, 20 Nov

17:20 - 16:55BHD-SIN

39h 35m2 stops

01:40 - 16:50SIN-BHD

23h 10m1 stop

£729KLM

Find Deal

Sun, 18 Jan - Sun, 25 Jan

06:30 - 16:15BHD-SIN

25h 45m1 stop

10:55 - 21:00SIN-BHD

42h 05m2 stops

£751KLM

Find Deal

Mon, 16 Mar - Fri, 20 Mar

11:05 - 14:40BHD-KUL

19h 35m2 stops

23:20 - 16:40KUL-BHD

25h 20m1 stop

£752British Airways

Find Deal

Thu, 13 Nov - Thu, 20 Nov

18:00 - 08:15BHD-KUL

30h 15m2 stops

19:55 - 09:45KUL-BHD

21h 50m2 stops

£885Qatar Airways

Find Deal

Thu, 12 Feb - Sun, 22 Feb

18:00 - 08:15BHD-KUL

30h 15m2 stops

19:55 - 09:45KUL-BHD

21h 50m2 stops

£887Qatar Airways

Find Deal

Thu, 12 Feb - Sun, 22 Feb

11:30 - 06:05BHD-BKK

35h 35m2 stops

08:05 - 14:15BKK-BHD

37h 10m2 stops

£1,041Finnair

Find Deal

Fri, 2 Jan - Fri, 16 Jan

KLM flights from Belfast to Southeast Asia

Our best KLM deals on Belfast to Southeast Asia flight tickets

KLM

18 Jan

BHD17:20Belfast City

39h 35m

2 stops

SIN16:55Singapore Changi

25 Jan

SIN01:40Singapore Changi

23h 10m

1 stop

BHD16:50Belfast City

£729

Find similar

KLM

16 Mar

BHD06:30Belfast City

25h 45m

1 stop

SIN16:15Singapore Changi

20 Mar

SIN10:55Singapore Changi

42h 05m

2 stops

BHD21:00Belfast City

£751

Find similar

KLM

16 Mar

BHD06:30Belfast City

26h 25m

2 stops

SIN16:55Singapore Changi

20 Mar

SIN10:55Singapore Changi

42h 05m

2 stops

BHD21:00Belfast City

£774

Find similar

Finnair flights from Belfast to Southeast Asia

Our best Finnair deals on Belfast to Southeast Asia flight tickets

Finnair

18 Jan

BHD12:10Belfast City

46h 30m

2 stops

SIN18:40Singapore Changi

26 Jan

SIN22:05Singapore Changi

24h 10m

2 stops

BHD14:15Belfast City

£642

Find similar

Finnair

2 Jan

BHD11:30Belfast City

35h 35m

2 stops

BKK06:05Bangkok Suvarnabhumi

16 Jan

BKK08:05Bangkok Suvarnabhumi

37h 10m

2 stops

BHD14:15Belfast City

£1,041

Find similar

Finnair

2 Jan

BHD11:30Belfast City

35h 35m

2 stops

BKK06:05Bangkok Suvarnabhumi

16 Jan

BKK08:05Bangkok Suvarnabhumi

37h 10m

2 stops

BHD14:15Belfast City

£1,042

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BelfastKuala Lumpur

BFS - KUL

BFSKUL

Belfast Intl

Wed 19/11

08:50-14:15

3 stops45h 25m

Kuala Lumpur Intl

Wed 26/11

09:35-09:20

2 stops31h 45m

£473

BelfastKuala Lumpur

BFS - KUL

BFSKUL

Belfast Intl

Wed 19/11

08:50-06:00

3 stops37h 10m

Kuala Lumpur Intl

Wed 26/11

13:40-16:10

3 stops34h 30m

£478

BelfastSingapore

BHD - SIN

BHDSIN

Belfast City

Sun 18/1

12:10-18:40

2 stops46h 30m

Singapore Changi

Mon 26/1

22:05-14:15

2 stops24h 10m

£642

BelfastKuala Lumpur

BHD - KUL

BHDKUL

Belfast City

Thu 13/11

09:05-14:40

2 stops21h 35m

Kuala Lumpur Intl

Thu 20/11

10:15-07:30

2 stops29h 15m

£711

BelfastSingapore

BHD - SIN

BHDSIN

Belfast City

Sun 18/1

17:20-16:55

2 stops39h 35m

Singapore Changi

Sun 25/1

01:40-16:50

1 stop23h 10m

£729

BelfastSingapore

BHD - SIN

BHDSIN

Belfast City

Mon 16/3

06:30-16:15

1 stop25h 45m

Singapore Changi

Fri 20/3

10:55-21:00

2 stops42h 05m

£751

BelfastKuala Lumpur

BHD - KUL

BHDKUL

Belfast City

Thu 13/11

11:05-14:40

2 stops19h 35m

Kuala Lumpur Intl

Thu 20/11

23:20-16:40

1 stop25h 20m

£752

BelfastKuala Lumpur

BHD - KUL

BHDKUL

Belfast City

Thu 12/2

18:00-08:15

2 stops30h 15m

Kuala Lumpur Intl

Sun 22/2

19:55-09:45

2 stops21h 50m

£885

BelfastKuala Lumpur

BHD - KUL

BHDKUL

Belfast City

Thu 12/2

18:00-08:15

2 stops30h 15m

Kuala Lumpur Intl

Sun 22/2

19:55-09:45

2 stops21h 50m

£887

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Fri 2/1

11:30-06:05

2 stops35h 35m

Bangkok Suvarnabhumi

Fri 16/1

08:05-14:15

2 stops37h 10m

£1,041

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 £591. 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 £594.

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

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 £606. 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 £722.

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

In the afternoon is the cheapest time of day to fly from Belfast to Southeast Asia when you can find flight prices for as low as £663. 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 £803. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Direct flights	None

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 October 2025.
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 £548	Free Cancellation	Rating 6.7 7,423 reviews	Search British Airways flights
KLM	PriceFrom £560	Free Cancellation	Rating 7.8 1,395 reviews	Search KLM flights
Malaysia Airlines	PriceFrom £686	Free Cancellation	Rating 7.3 278 reviews	Search Malaysia Airlines flights
Qatar Airways	PriceFrom £769	Free Cancellation	Rating 7.4 3,645 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.