How long is the flight from Belfast to Southeast Asia?

There are many flights that can get you from Belfast to Southeast Asia in 23h 15m. Fly via KLM, British Airways, or Qatar Airways to get the fastest option. The distance from Belfast to Southeast Asia is about 6920 mi. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in Southeast Asia ranges from 10.0 - 320.0 inches per month. September is typically the wettest month, when rainfall can reach 320.0 mm. January is typically the driest time to visit Southeast Asia when rainfall is around 10.0 mm.

If weather is an important factor for your trip to Southeast Asia, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

What are the most popular routes from Belfast to Southeast Asia?

The most popular route from Belfast to Southeast Asia is Belfast Intl - Bangkok Suvarnabhumi. You may also consider Belfast Intl - Kuala Lumpur Intl or Belfast City - Bangkok Suvarnabhumi.

What are the most popular airlines that fly from Belfast to Southeast Asia?

Qatar Airways, British Airways and KLM are the most popular airlines when flying from Belfast to Southeast Asia.

What is the cheapest time of day to fly from BFS to YJX?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Belfast to Southeast Asia as you normally would.

Can I find deals for flights from Belfast to Southeast Asia that include hotel bookings?

Yes. In addition to deals on Belfast to Southeast Asia flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Belfast to Southeast Asia?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to Southeast Asia.

Can I find deals for business class flights from Belfast to Southeast Asia?

Yes. Cheapflights offers flight deals from Belfast to Southeast Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£252+ Cheap Flights from Belfast to Southeast Asia

Cheap flight deals from Belfast to Southeast Asia

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Belfast to Southeast Asia
Explore the most affordable flight options available from Belfast to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2026.

Wed 21/1009:55 -

3 stops25h 30m

Wed 28/1009:20 -

1 stop17h 50m

Deal found 20/8£456

Thu 10/906:10 -

2 stops25h 25m

Sun 13/901:30 -

2 stops38h 25m

Deal found 18/8£470

Mon 2/1107:20 -

2 stops23h 20m

Tue 10/1117:55 -

2 stops33h 35m

Deal found 18/8£535

Thu 3/906:10 -

2 stops36h 00m

Wed 16/921:00 -

2 stops31h 20m

Deal found 18/8£539

Mon 14/908:15 -

2 stops33h 55m

Mon 21/915:55 -

2 stops29h 40m

Deal found 17/8£543

Mon 5/1015:50 -

2 stops34h 00m

Mon 12/1011:20 -

2 stops34h 10m

Deal found 21/8£544

Mon 14/907:00 -

2 stops35h 10m

Mon 21/915:55 -

2 stops30h 55m

Deal found 17/8£546

Thu 1/1017:30 -

3 stops36h 45m

Thu 8/1020:00 -

2 stops30h 30m

Deal found 17/8£550

Wed 28/1015:35 -

3 stops35h 50m

Wed 18/1111:50 -

3 stops38h 55m

Deal found 17/8£551

Wed 2/907:00 -

2 stops31h 55m

Sat 5/917:30 -

2 stops26h 55m

Deal found 18/8£557

Sun 4/1021:10 -

2 stops31h 35m

Sun 11/1018:40 -

2 stops31h 35m

Deal found 20/8£586

Fri 2/1021:05 -

3 stops46h 15m

Fri 9/1009:45 -

2 stops35h 30m

Deal found 18/8£588

Best flights from Belfast to Southeast Asia
Discover carefully curated flight deals from Belfast to Southeast Asia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Wed 21/1009:55 -

3 stops25h 30m

Wed 28/1009:20 -

1 stop17h 50m

Deal found 20/8£456

Tue 1/917:30 -

1 stop34h 00m

Tue 29/912:05 -

1 stop27h 15m

Deal found 17/8£678

Thu 5/1108:50 -

1 stop23h 15m

Mon 9/1123:05 -

1 stop19h 45m

Deal found 20/8£679

Thu 10/906:10 -

2 stops25h 25m

Sun 13/901:30 -

2 stops38h 25m

Deal found 18/8£470

Thu 15/1007:00 -

2 stops24h 15m

Sun 18/1003:10 -

2 stops35h 25m

Deal found 18/8£957

Mon 14/908:15 -

2 stops33h 55m

Mon 21/915:55 -

2 stops29h 40m

Deal found 17/8£543

Mon 14/907:00 -

2 stops35h 10m

Mon 21/915:55 -

2 stops30h 55m

Deal found 17/8£546

Thu 24/914:20 -

1 stop18h 50m

Mon 28/923:25 -

1 stop20h 30m

Deal found 20/8£679

Mon 14/909:50 -

1 stop17h 40m

Mon 21/911:25 -

2 stops27h 55m

Deal found 17/8£714

Thu 1/1017:30 -

3 stops36h 45m

Thu 8/1020:00 -

2 stops30h 30m

Deal found 17/8£550

Tue 1/913:45 -

2 stops24h 40m

Mon 28/903:00 -

2 stops22h 25m

Deal found 19/8£711

Wed 28/1015:35 -

3 stops35h 50m

Wed 18/1111:50 -

3 stops38h 55m

Deal found 17/8£551

Wed 9/906:30 -

1 stop26h 40m

Sun 13/923:25 -

1 stop28h 10m

Deal found 18/8£747

Mon 5/1019:35 -

3 stops30h 15m

Mon 12/1021:00 -

3 stops25h 15m

Deal found 21/8£584

Thu 10/907:00 -

2 stops26h 35m

Mon 14/919:00 -

2 stops21h 20m

Deal found 19/8£1,034

Sun 4/1013:25 -

2 stops23h 20m

Sun 11/1009:45 -

2 stops29h 00m

Deal found 20/8£602

Thu 10/912:45 -

1 stop20h 25m

Mon 14/923:25 -

1 stop23h 05m

Deal found 17/8£812

Wed 9/910:10 -

2 stops23h 25m

Sun 13/918:35 -

2 stops21h 45m

Deal found 18/8£1,041

Thu 1/1006:10 -

2 stops29h 30m

Thu 8/1018:40 -

2 stops31h 55m

Deal found 17/8£607

Thu 24/920:35 -

2 stops28h 20m

Mon 28/922:50 -

1 stop17h 00m

Deal found 21/8£832

Thu 3/907:00 -

2 stops32h 20m

Mon 7/909:45 -

2 stops30h 35m

Deal found 20/8£1,074

Fri 4/920:25 -

3 stops44h 55m

Wed 30/905:50 -

2 stops32h 50m

Deal found 17/8£607

Sun 4/1006:25 -

2 stops29h 15m

Sun 11/1009:25 -

3 stops28h 45m

Deal found 20/8£608

Thu 15/1014:20 -

1 stop20h 30m

Mon 19/1022:50 -

1 stop17h 00m

Deal found 18/8£947

Fri 2/1021:10 -

2 stops29h 00m

Fri 9/1009:45 -

2 stops35h 30m

Deal found 18/8£634

Tue 20/1008:55 -

3 stops29h 20m

Sat 31/1019:25 -

3 stops32h 50m

Deal found 20/8£639

Thu 1/1008:15 -

2 stops20h 05m

Sat 31/1014:40 -

3 stops29h 55m

Deal found 19/8£645

Mon 5/1008:40 -

2 stops29h 35m

Mon 12/1010:20 -

2 stops30h 40m

Deal found 21/8£677

Sun 4/1006:25 -

3 stops35h 10m

Sat 17/1011:20 -

3 stops43h 05m

Deal found 18/8£691

Tue 15/910:20 -

2 stops43h 40m

Mon 21/900:05 -

2 stops44h 35m

Deal found 18/8£697

Find flight deals from Belfast to Southeast Asia

Round-trip from	£456
One-way from	£252
Popular in	February
Cheapest in	September
Average price	£672

21/10-28/10
4 total stops
43h 20m total
Belfast to Southeast Asia

Search Deals

1/9
3 total stops
58h 20m total
Belfast to Southeast Asia

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£44 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Belfast to Southeast Asia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Wed 21/10

09:55-17:25

3 stops25h 30m

Bangkok Suvarnabhumi

Wed 28/10

09:20-20:10

1 stop17h 50m

£456

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Thu 10/9

06:10-13:35

2 stops25h 25m

Bangkok Suvarnabhumi

Sun 13/9

01:30-09:55

2 stops38h 25m

£470

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Mon 14/9

08:15-00:10

2 stops33h 55m

Bangkok Suvarnabhumi

Mon 21/9

15:55-15:35

2 stops29h 40m

£543

BelfastBangkok

BHD Belfast City - BKK Bangkok Suvarnabhumi

BHDBKK

Belfast City

Mon 14/9

07:00-00:10

2 stops35h 10m

Bangkok Suvarnabhumi

Mon 21/9

15:55-16:50

2 stops30h 55m

£546

BelfastSingapore

BFS Belfast Intl - SIN Singapore Changi

BFSSIN

Belfast Intl

Thu 1/10

17:30-13:15

3 stops36h 45m

Singapore Changi

Thu 8/10

20:00-19:30

2 stops30h 30m

£550

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Wed 28/10

15:35-10:25

3 stops35h 50m

Bangkok Suvarnabhumi

Wed 18/11

11:50-19:45

3 stops38h 55m

£551

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Mon 5/10

19:35-07:50

3 stops30h 15m

Bangkok Suvarnabhumi

Mon 12/10

21:00-16:15

3 stops25h 15m

£584

BelfastKuala Lumpur

BFS Belfast Intl - KUL Kuala Lumpur Intl

BFSKUL

Belfast Intl

Sun 4/10

13:25-19:45

2 stops23h 20m

Kuala Lumpur Intl

Sun 11/10

09:45-07:45

2 stops29h 00m

£602

BelfastPhuket City

BFS Belfast Intl - HKT Phuket City

BFSHKT

Belfast Intl

Thu 1/10

06:10-17:40

2 stops29h 30m

Phuket City

Thu 8/10

18:40-20:35

2 stops31h 55m

£607

BelfastManila

BFS Belfast Intl - MNL Manila Ninoy Aquino Intl

BFSMNL

Belfast Intl

Fri 4/9

20:25-00:20

3 stops44h 55m

Manila Ninoy Aquino Intl

Wed 30/9

05:50-07:40

2 stops32h 50m

£607

Flights are sorted by cheapest return flights first.

Deals found on 20/8

Showing 1-10 of 50 resultsSorted by cheapest first

...

Best time to book a flight from Belfast to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Belfast with our price prediction graph.

BHD-MNL

BFS-MNL

BFS-BKK

BFS-SIN

BHD-BKK

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Belfast to Southeast Asia

BF1-zzYJX

BHD-MNL

BFS-MNL

BFS-BKK

BFS-SIN

What is the cheapest month to book a flight from Belfast to Southeast Asia?

Currently, September is the cheapest month in which you can book a flight from Belfast to Southeast Asia (average of £872). Flying from Belfast to Southeast Asia in December is currently the most expensive (average of £1,475). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How far ahead should I book a flight from Belfast to Southeast Asia?

To ensure you get the cheapest price possible for a flight from Belfast to Southeast Asia, you should look to book at least 82 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Southeast Asia

Read through reviews of airlines operating flights from Belfast to Southeast Asia, such as KLM,Qatar Airways, andChina Southern. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,562 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

KLM

7.8

Good

1,562 reviews

KLM

7.8

Good

1,562 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Qatar Airways

7.4

Good

3,735 reviews

KLM

7.8

Good

1,562 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

China Southern

7.3

Good

172 reviews

KLM

7.8

Good

1,562 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

British Airways

6.7

Okay

8,183 reviews

KLM

7.8

Good

1,562 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Related info for your journey

How long is the flight from Belfast to Southeast Asia?
There are many flights that can get you from Belfast to Southeast Asia in 23h 15m. Fly via KLM, British Airways, or Qatar Airways to get the fastest option. The distance from Belfast to Southeast Asia is about 6920 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the most popular routes from Belfast to Southeast Asia?
The most popular route from Belfast to Southeast Asia is Belfast Intl - Bangkok Suvarnabhumi. You may also consider Belfast Intl - Kuala Lumpur Intl or Belfast City - Bangkok Suvarnabhumi.
Can I find deals for flights from Belfast to Southeast Asia that include hotel bookings?
Yes. In addition to deals on Belfast to Southeast Asia flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast to Southeast Asia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to Southeast Asia.
Can I find deals for business class flights from Belfast to Southeast Asia?
Yes. Cheapflights offers flight deals from Belfast to Southeast Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Belfast to Southeast Asia?
Currently, September is the cheapest month in which you can book a flight from Belfast to Southeast Asia (average of £872). Flying from Belfast to Southeast Asia in December is currently the most expensive (average of £1,475). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to

Flights by cabin class

Other flight options

Popular flights

Top destinations

Alternative routes for Belfast to Southeast Asia

Belfast Intl to New Delhi flights

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Belfast City to Denpasar flights

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Belfast Intl to Chiang Mai flights

Top 4 airlines flying from Belfast to Southeast Asia

Airline	Cheapest	Average	Flexibility	On-time
China Southern	Cheapest£444	Average£746	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
British Airways	Cheapest£643	Average£787	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
KLM	Cheapest£645	Average£951	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Qatar Airways	Cheapest£809	Average£1,077	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Belfast to Southeast Asia?

Cheapflights helps you search for flights from Belfast to Southeast Asia via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Belfast to Southeast Asia?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Belfast to Southeast Asia for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Belfast to Southeast Asia with no change fees?

Need flexible booking options for your flight to Southeast Asia from Belfast? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Belfast to Southeast Asia become cheaper?

Yes, Cheapflights offers price alerts on Belfast to Southeast Asia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Belfast to Southeast Asia from £252

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast to Southeast Asia

Cheapest flights from Belfast to Southeast AsiaExplore the most affordable flight options available from Belfast to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2026.

Explore the most affordable flight options available from Belfast to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2026.

Best flights from Belfast to Southeast AsiaDiscover carefully curated flight deals from Belfast to Southeast Asia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Discover carefully curated flight deals from Belfast to Southeast Asia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Last-minute flights from Belfast to Southeast AsiaDiscover last-minute flight deals from Belfast to Southeast Asia. Data last updated 22 August 2026 and is based on user searches.

Discover last-minute flight deals from Belfast to Southeast Asia. Data last updated 22 August 2026 and is based on user searches.

One-way flights from Belfast to Southeast AsiaSearch for one-way flight options from Belfast to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.

Search for one-way flight options from Belfast to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.

Find flight deals from Belfast to Southeast Asia

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Belfast to Southeast Asia that are best for you.

Best time to book a flight from Belfast to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Belfast with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Belfast to Southeast Asia?

How far ahead should I book a flight from Belfast to Southeast Asia?

To ensure you get the cheapest price possible for a flight from Belfast to Southeast Asia, you should look to book at least 82 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Southeast Asia

Read through reviews of airlines operating flights from Belfast to Southeast Asia, such as KLM,Qatar Airways, andChina Southern. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Belfast to Southeast Asia?

What are the most popular routes from Belfast to Southeast Asia?

Can I find deals for flights from Belfast to Southeast Asia that include hotel bookings?

How can I find direct flights from Belfast to Southeast Asia?

Can I find deals for business class flights from Belfast to Southeast Asia?

What is the cheapest month to book a flight from Belfast to Southeast Asia?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Belfast to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Southeast Asia by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Belfast to Southeast Asia by cabin class

Find flights from Belfast to Southeast Asia, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Belfast and Southeast Asia flights

Browse other Belfast and Southeast Asia flight options. Last updated on 22 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Belfast to Southeast Asia flights

Consider these flights travelling from Belfast to Southeast Asia.

Top 4 airlines flying from Belfast to Southeast Asia

Fly with Cheapflights

How does Cheapflights help users find flights from Belfast to Southeast Asia?

Why should you use Cheapflights to find cheap flight tickets from Belfast to Southeast Asia?

Can Cheapflights find flights from Belfast to Southeast Asia with no change fees?

Can Cheapflights notify me if prices for flights from Belfast to Southeast Asia become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Belfast to Southeast Asia
Explore the most affordable flight options available from Belfast to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2026.

Best flights from Belfast to Southeast Asia
Discover carefully curated flight deals from Belfast to Southeast Asia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Last-minute flights from Belfast to Southeast Asia
Discover last-minute flight deals from Belfast to Southeast Asia. Data last updated 22 August 2026 and is based on user searches.

One-way flights from Belfast to Southeast Asia
Search for one-way flight options from Belfast to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.