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 Intl Airport to Southeast Asia?

When deciding which route to take from Belfast Intl Airport to Southeast Asia consider Belfast Intl - Manila Ninoy Aquino Intl, Belfast Intl - Kuala Lumpur Intl or Belfast Intl - Bangkok Suvarnabhumi as they are the most popular.

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

The most popular airlines flying from Belfast Intl Airport to Southeast Asia are Qatar Airways, British Airways and KLM. Something to consider prior to booking your flight.

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 Intl Airport to Southeast Asia as you normally would.

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

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

How can I find direct flights from Belfast Intl 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 Intl to Southeast Asia.

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

Yes. Cheapflights offers flight deals from Belfast Intl 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.

£254+ Cheap Flights from Belfast Intl Airport to Southeast Asia

Cheap flight deals from Belfast Intl to Southeast Asia

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Belfast Intl to Southeast Asia
Explore the most affordable flight options available from Belfast Intl to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2026.

Tue 13/1006:15 -

2 stops25h 20m

Thu 12/1119:30 -

2 stops28h 35m

Deal found 14/9£482

Tue 13/1006:15 -

2 stops25h 20m

Mon 19/1019:35 -

2 stops30h 50m

Deal found 14/9£490

Wed 28/1006:25 -

2 stops35h 00m

Tue 3/1102:55 -

2 stops26h 35m

Deal found 13/9£496

Thu 15/1006:10 -

2 stops25h 25m

Thu 22/1014:50 -

2 stops34h 30m

Deal found 15/9£497

Sun 29/1120:55 -

2 stops31h 30m

Sun 20/1219:55 -

2 stops21h 15m

Deal found 13/9£499

Thu 24/921:10 -

2 stops31h 10m

Wed 7/1008:55 -

2 stops28h 45m

Deal found 12/9£507

Mon 12/1008:15 -

2 stops23h 20m

Mon 19/1019:35 -

2 stops30h 50m

Deal found 14/9£524

Thu 24/906:10 -

2 stops25h 55m

Fri 9/1019:55 -

2 stops20h 00m

Deal found 11/9£537

Tue 13/1006:15 -

2 stops26h 30m

Mon 19/1000:55 -

2 stops26h 30m

Deal found 12/9£550

Wed 16/906:10 -

2 stops29h 15m

Tue 22/908:55 -

2 stops35h 05m

Deal found 13/9£553

Mon 26/1006:30 -

2 stops35h 50m

Tue 10/1117:55 -

2 stops24h 10m

Deal found 13/9£553

Fri 30/1006:30 -

2 stops34h 40m

Fri 6/1117:15 -

2 stops32h 00m

Deal found 15/9£556

Best flights from Belfast Intl to Southeast Asia
Discover carefully curated flight deals from Belfast Intl to Southeast Asia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 September 2026.

Tue 13/1006:15 -

2 stops25h 20m

Thu 12/1119:30 -

2 stops28h 35m

Deal found 14/9£482

Tue 13/1006:15 -

2 stops25h 20m

Mon 19/1019:35 -

2 stops30h 50m

Deal found 14/9£490

Thu 15/1006:10 -

2 stops25h 25m

Thu 22/1014:50 -

2 stops34h 30m

Deal found 15/9£497

Mon 26/1006:30 -

2 stops35h 50m

Tue 10/1117:55 -

2 stops24h 10m

Deal found 13/9£553

Fri 30/1006:30 -

2 stops34h 40m

Fri 6/1117:15 -

2 stops32h 00m

Deal found 15/9£556

Thu 29/1006:30 -

2 stops20h 20m

Thu 5/1117:55 -

2 stops31h 10m

Deal found 14/9£560

Wed 28/1010:55 -

2 stops28h 05m

Tue 3/1100:05 -

2 stops41h 00m

Deal found 13/9£575

Wed 7/1007:30 -

2 stops22h 15m

Wed 14/1020:00 -

2 stops26h 20m

Deal found 13/9£586

Sun 29/1110:30 -

2 stops40h 40m

Sun 20/1209:20 -

1 stop30h 50m

Deal found 13/9£609

Fri 4/1221:10 -

2 stops30h 00m

Mon 14/1208:50 -

1 stop15h 45m

Deal found 15/9£609

Sat 10/1006:20 -

2 stops24h 45m

Mon 14/1208:50 -

1 stop18h 25m

Deal found 11/9£609

Fri 9/1008:55 -

2 stops21h 25m

Wed 16/1209:20 -

1 stop18h 35m

Deal found 11/9£613

Wed 4/1110:55 -

2 stops30h 30m

Thu 19/1102:55 -

2 stops27h 00m

Deal found 11/9£622

Wed 7/1006:10 -

2 stops19h 40m

Wed 16/1209:20 -

1 stop30h 05m

Deal found 11/9£637

Tue 13/1008:25 -

3 stops27h 00m

Tue 20/1009:15 -

2 stops27h 50m

Deal found 13/9£639

Tue 27/1008:20 -

3 stops28h 55m

Tue 3/1119:25 -

3 stops29h 55m

Deal found 12/9£662

Mon 12/1010:35 -

3 stops24h 50m

Mon 19/1015:55 -

2 stops24h 05m

Deal found 14/9£670

Thu 22/1020:40 -

3 stops31h 55m

Tue 27/1020:00 -

2 stops21h 00m

Deal found 14/9£687

Thu 29/1006:30 -

2 stops32h 55m

Thu 5/1108:35 -

2 stops33h 35m

Deal found 14/9£714

Sat 10/1010:10 -

2 stops27h 40m

Fri 16/1003:45 -

3 stops37h 15m

Deal found 12/9£721

Mon 12/1008:15 -

2 stops32h 40m

Sun 18/1000:55 -

2 stops37h 35m

Deal found 14/9£723

Tue 27/1007:00 -

2 stops24h 55m

Tue 3/1117:30 -

2 stops29h 00m

Deal found 12/9£737

Mon 26/1020:45 -

2 stops33h 05m

Mon 2/1115:40 -

2 stops27h 50m

Deal found 11/9£745

Wed 21/1008:15 -

2 stops32h 40m

Tue 27/1000:55 -

2 stops27h 15m

Deal found 11/9£819

Fri 30/1006:30 -

2 stops33h 25m

Thu 5/1100:55 -

2 stops38h 45m

Deal found 15/9£851

Tue 13/1006:15 -

1 stop17h 10m

Mon 19/1002:30 -

1 stop24h 55m

Deal found 12/9£859

Wed 7/1021:35 -

2 stops29h 00m

Wed 16/1217:05 -

2 stops25h 00m

Deal found 11/9£892

Tue 15/1207:05 -

2 stops20h 50m

Fri 15/119:30 -

3 stops31h 05m

Deal found 12/9£1,100

Wed 25/1106:25 -

2 stops25h 25m

Thu 7/114:05 -

2 stops28h 05m

Deal found 13/9£1,212

Find flight deals from Belfast Intl to Southeast Asia

Round-trip from	£482
One-way from	£254
Popular in	December
Cheapest in	September
Average price	£659

13/10-12/11
4 total stops
53h 55m total
Belfast to Southeast Asia

Search Deals

31/10-31/12
3 total stops
54h 30m total
Belfast to Southeast Asia

Search Deals

Highest demand for flights based on searches. 30% potential increase in price (£279 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 12% potential price decrease (£75 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Belfast Intl Airport 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

Sat 31/10

23:00-12:30

3 stops54h 30m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£254

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Thu 5/11

16:05-06:45

3 stops55h 40m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£293

BelfastManila

BFS Belfast Intl - MNL Manila Ninoy Aquino Intl

BFSMNL

Belfast Intl

Sun 15/11

18:05-22:30

2 stops44h 25m

Manila Ninoy Aquino Intl

Wed 31/12

00:00-17:00

Nonstop0h 00m

£312

BelfastSingapore

BFS Belfast Intl - SIN Singapore Changi

BFSSIN

Belfast Intl

Tue 13/10

20:15-04:05

2 stops48h 50m

Singapore Changi

Wed 31/12

00:00-17:30

Nonstop0h 00m

£313

BelfastManila

BFS Belfast Intl - MNL Manila Ninoy Aquino Intl

BFSMNL

Belfast Intl

Tue 17/11

20:35-10:50

3 stops54h 15m

Manila Ninoy Aquino Intl

Wed 31/12

00:00-17:00

Nonstop0h 00m

£318

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Mon 9/11

06:30-22:25

2 stops32h 55m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£355

BelfastManila

BFS Belfast Intl - MNL Manila Ninoy Aquino Intl

BFSMNL

Belfast Intl

Fri 27/11

09:50-02:20

2 stops32h 30m

Manila Ninoy Aquino Intl

Wed 31/12

00:00-17:00

Nonstop0h 00m

£356

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Fri 6/11

15:40-01:20

2 stops26h 40m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£360

BelfastDenpasar

BFS Belfast Intl - DPS Denpasar Bali Ngurah Rai

BFSDPS

Belfast Intl

Thu 24/9

14:50-00:35

3 stops50h 45m

Denpasar Bali Ngurah Rai

Wed 31/12

00:00-17:00

Nonstop0h 00m

£374

BelfastDenpasar

BFS Belfast Intl - DPS Denpasar Bali Ngurah Rai

BFSDPS

Belfast Intl

Sat 26/9

20:15-07:45

2 stops52h 30m

Denpasar Bali Ngurah Rai

Wed 31/12

00:00-17:00

Nonstop0h 00m

£376

Flights are sorted by cheapest return flights first.

Deals found on 12/9

Showing 1-10 of 47 resultsSorted by cheapest first

...

Best time to book a flight from Belfast Intl to Southeast Asia

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

BFS-BKK

BFS-MNL

BFS-SIN

BFS-KUL

BFS-DPS

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 Intl Airport to Southeast Asia

BFS-zzYJX

BFS-BKK

BFS-MNL

BFS-SIN

BFS-KUL

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

Currently, January is the cheapest month in which you can book a flight from Belfast Intl Airport to Southeast Asia (average of £526). Flying from Belfast Intl Airport to Southeast Asia in August is currently the most expensive (average of £1,469). 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.

Reviews of airlines servicing Southeast Asia

See what other customers who have flown with KLM,Qatar Airways, andChina Southern from Belfast Intl Airport to Southeast Asia have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,580 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

KLM

7.8

Good

1,580 reviews

KLM

7.8

Good

1,580 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

Qatar Airways

7.4

Good

3,732 reviews

KLM

7.8

Good

1,580 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

China Southern

7.3

Good

172 reviews

KLM

7.8

Good

1,580 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

British Airways

6.7

Okay

8,226 reviews

KLM

7.8

Good

1,580 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

Related info for your journey

What are the most popular routes from Belfast Intl Airport to Southeast Asia?
When deciding which route to take from Belfast Intl Airport to Southeast Asia consider Belfast Intl - Manila Ninoy Aquino Intl, Belfast Intl - Kuala Lumpur Intl or Belfast Intl - Bangkok Suvarnabhumi as they are the most popular.
Can I find deals for flights from Belfast Intl to Southeast Asia that include hotel bookings?
Yes. In addition to deals on Belfast Intl to Southeast Asia flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast Intl 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 Intl to Southeast Asia.
Can I find deals for business class flights from Belfast Intl to Southeast Asia?
Yes. Cheapflights offers flight deals from Belfast Intl 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 Intl Airport to Southeast Asia?
Currently, January is the cheapest month in which you can book a flight from Belfast Intl Airport to Southeast Asia (average of £526). Flying from Belfast Intl Airport to Southeast Asia in August is currently the most expensive (average of £1,469). 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

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Alternative routes for Belfast Intl to Southeast Asia

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Top 4 airlines flying from Belfast Intl to Southeast Asia

Airline	Cheapest	Average	Flexibility	On-time
China Southern	Cheapest£448	Average£754	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
British Airways	Cheapest£652	Average£736	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
KLM	Cheapest£652	Average£950	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Qatar Airways	Cheapest£818	Average£1,114	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Belfast Intl to Southeast Asia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Belfast Intl to Southeast Asia.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Belfast Intl to Southeast Asia, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on Belfast Intl 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 Intl Airport to Southeast Asia from £254

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast Intl to Southeast Asia

Cheapest flights from Belfast Intl to Southeast AsiaExplore the most affordable flight options available from Belfast Intl to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2026.

Explore the most affordable flight options available from Belfast Intl to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2026.

Best flights from Belfast Intl to Southeast AsiaDiscover carefully curated flight deals from Belfast Intl to Southeast Asia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 September 2026.

Discover carefully curated flight deals from Belfast Intl to Southeast Asia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 September 2026.

Last-minute flights from Belfast Intl to Southeast AsiaDiscover last-minute flight deals from Belfast Intl to Southeast Asia. Data last updated 15 September 2026 and is based on user searches.

Discover last-minute flight deals from Belfast Intl to Southeast Asia. Data last updated 15 September 2026 and is based on user searches.

One-way flights from Belfast Intl to Southeast AsiaSearch for one-way flight options from Belfast Intl to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated 15 September 2026.

Search for one-way flight options from Belfast Intl to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated 15 September 2026.

Find flight deals from Belfast Intl 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 Intl Airport to Southeast Asia that are best for you.

Best time to book a flight from Belfast Intl to Southeast Asia

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

Cheapflights Insights

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

Reviews of airlines servicing Southeast Asia

See what other customers who have flown with KLM,Qatar Airways, andChina Southern from Belfast Intl Airport to Southeast Asia have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

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

What is the cheapest month to book a flight from Belfast Intl Airport 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 Intl 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 Intl to Southeast Asia by cabin class

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

Belfast Intl and Southeast Asia flights

Browse other Belfast Intl and Southeast Asia flight options. Last updated on 15 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 4 airlines flying from Belfast Intl to Southeast Asia

Fly with Cheapflights

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

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

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

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

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Book with Flexibility

Travel Smart

Cheapest flights from Belfast Intl to Southeast Asia
Explore the most affordable flight options available from Belfast Intl to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2026.

Best flights from Belfast Intl to Southeast Asia
Discover carefully curated flight deals from Belfast Intl to Southeast Asia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 September 2026.

Last-minute flights from Belfast Intl to Southeast Asia
Discover last-minute flight deals from Belfast Intl to Southeast Asia. Data last updated 15 September 2026 and is based on user searches.

One-way flights from Belfast Intl to Southeast Asia
Search for one-way flight options from Belfast Intl to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated 15 September 2026.