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Cheap flights from Belfast to Southeast Asia from £251

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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — BKK
15 Jan — 22 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to Southeast Asia

Enter your travel dates to find the best prices.

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 16 December 2025.

Sun 14/1218:00BHD - BKK
2 stops37h 30mMultiple Airlines
Mon 29/1212:30BKK - BHD
1 stop27h 00mMultiple Airlines
Deal found 14/12£820
Sun 14/1216:15BFS - BKK
1 stop30h 35mMultiple Airlines
Mon 29/1212:30BKK - BFS
1 stop26h 25mMultiple Airlines
Deal found 14/12£876
Sun 14/1217:20BHD - BKK
2 stops31h 10mKLM
Mon 29/1209:30BKK - BHD
2 stops18h 30mKLM
Deal found 14/12£1,072
Sat 27/1207:00BHD - BKK
2 stops29h 25mQatar Airways
Sat 24/108:15BKK - BHD
2 stops40h 10mQatar Airways
Deal found 13/12£1,193
Sun 21/1218:50BHD - BKK
2 stops35h 15mQatar Airways
Thu 1/102:00BKK - BHD
2 stops21h 20mQatar Airways
Deal found 15/12£1,374
Sat 27/1206:30BHD - BKK
1 stop20h 35mKLM
Sat 24/112:15BKK - BHD
1 stop35h 35mKLM
Deal found 15/12£1,434
Sat 27/1206:30BHD - BKK
1 stop20h 35mMultiple Airlines
Sat 24/109:30BKK - BHD
2 stops38h 20mMultiple Airlines
Deal found 15/12£1,453
Sun 21/1217:20BHD - BKK
2 stops32h 55mKLM
Fri 2/112:15BKK - BHD
1 stop15h 45mKLM
Deal found 15/12£1,557
Sat 20/1218:00BHD - MNL
2 stops33h 20mMultiple Airlines
Sun 25/112:35MNL - BHD
2 stops33h 15mMultiple Airlines
Deal found 15/12£1,612
Thu 18/1207:00BHD - MNL
2 stops20h 20mMultiple Airlines
Sun 4/108:00MNL - BHD
2 stops37h 50mMultiple Airlines
Deal found 15/12£2,568
Thu 18/1218:50BHD - MNL
2 stops43h 00mQatar Airways
Sun 4/118:25MNL - BHD
2 stops29h 55mQatar Airways
Deal found 13/12£2,750

Find flight deals from Belfast to Southeast Asia

Keep the following information in mind while searching for Belfast to Southeast Asia flight deals. Data was last updated 16 December 2025.

Round-trip from

£577

One-way from

£251

Popular in

December

Cheapest in

May

Average price

£1,033
29/1-5/2
  • 29/1-5/2
  • 6 total stops
  • 66h 00m total
  • Belfast to Southeast Asia
Search Deals
2/2
  • 2/2
  • 3 total stops
  • 52h 00m total
  • Belfast to Southeast Asia
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£43 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast to Southeast Asia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 December 2025.
Use the filters below to find and compare flights from Belfast to Southeast Asia that are best for you.

Fly from

Belfast

Fly to

Southeast Asia

Route

Depart

Return

Price

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Mon 12/1

06:30-17:50

2 stops28h 20m

Bangkok Suvarnabhumi

Mon 19/1

16:50-20:10

2 stops34h 20m

£473

BelfastKuala Lumpur

BFS - KUL

BFSKUL

Belfast Intl

Thu 29/1

20:40-14:40

3 stops34h 00m

Kuala Lumpur Intl

Thu 5/2

13:40-13:40

3 stops32h 00m

£577

BelfastDenpasar

BFS - DPS

BFSDPS

Belfast Intl

Wed 28/1

07:55-17:50

3 stops25h 55m

Denpasar Bali Ngurah Rai

Wed 4/2

17:35-22:50

3 stops37h 15m

£618

BelfastDenpasar

BHD - DPS

BHDDPS

Belfast City

Mon 18/5

08:45-00:30

2 stops32h 45m

Denpasar Bali Ngurah Rai

Sun 7/6

01:30-07:55

2 stops37h 25m

£677

BelfastDenpasar

BHD - DPS

BHDDPS

Belfast City

Mon 18/5

08:45-00:30

2 stops32h 45m

Denpasar Bali Ngurah Rai

Thu 11/6

01:30-20:30

2 stops26h 00m

£680

BelfastDenpasar

BFS - DPS

BFSDPS

Belfast Intl

Mon 18/5

06:10-00:30

2 stops35h 20m

Denpasar Bali Ngurah Rai

Wed 10/6

01:30-07:50

2 stops37h 20m

£680

BelfastDenpasar

BFS - DPS

BFSDPS

Belfast Intl

Mon 18/5

06:10-00:30

2 stops35h 20m

Denpasar Bali Ngurah Rai

Sun 7/6

01:30-07:40

2 stops37h 10m

£680

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Fri 1/5

17:30-09:30

1 stop34h 00m

Bangkok Suvarnabhumi

Sun 31/5

12:05-09:20

1 stop27h 15m

£686

BelfastDenpasar

BHD - DPS

BHDDPS

Belfast City

Mon 18/5

08:45-00:30

2 stops32h 45m

Denpasar Bali Ngurah Rai

Wed 10/6

01:30-13:40

2 stops43h 10m

£688

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Mon 12/1

07:20-05:50

1 stop15h 30m

Bangkok Suvarnabhumi

Mon 19/1

12:30-13:35

1 stop32h 05m

£710

Flights are sorted by cheapest return flights first.

Deals found on 13/12

Showing 1-10 of 33 results
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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.
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

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

Currently, May is the cheapest month in which you can book a flight from Belfast to Southeast Asia (average of £550). Flying from Belfast to Southeast Asia in July is currently the most expensive (average of £725). 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.

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

Find hourly flight availability from Belfast to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 December 2025.

When flying from Belfast to Southeast Asia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 8% versus a flight in the morning.

Reviews of airlines servicing Southeast Asia

Get insights into the airlines that provide service to Southeast Asia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Southeast Asia. Reviews last updated 16 December 2025.
Read through reviews of airlines operating flights from Belfast to Southeast Asia, such as KLM, Qatar Airways, andMalaysia Airlines. 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
7.7
Good
1,432 reviews
Check prices

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.6

Overall

7.7

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,432 reviews
KLM
7.7
Good
1,432 reviews
Check prices

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.6

Overall

7.7

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Qatar Airways
7.4
Good
3,683 reviews
KLM
7.7
Good
1,432 reviews
Check prices

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.6

Overall

7.7

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Malaysia Airlines
7.3
Good
282 reviews
KLM
7.7
Good
1,432 reviews
Check prices

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.6

Overall

7.7

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
British Airways
6.7
Okay
7,578 reviews
KLM
7.7
Good
1,432 reviews
Check prices

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.6

Overall

7.7

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Related info for your journey

Find useful and relevant information for your journey from Belfast to Southeast Asia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Belfast to Southeast Asia?

    There are many flights that can get you from Belfast to Southeast Asia in 22h 20m. Fly via KLM, China Southern, or British Airways to get the fastest option. The distance from Belfast to Southeast Asia is about 6752 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 City - Bangkok Suvarnabhumi or Belfast Intl - Manila Ninoy Aquino Intl.

  • 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, May is the cheapest month in which you can book a flight from Belfast to Southeast Asia (average of £550). Flying from Belfast to Southeast Asia in July is currently the most expensive (average of £725). 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

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.
Belfast Intl to Narita flights
Belfast Intl to Haneda flights
Belfast City to Haneda flights
Belfast City to Narita flights
Belfast City to Suvarnabhumi flights
Belfast Intl to Suvarnabhumi flights
Belfast City to Kathmandu flights
Belfast Intl to Kathmandu flights
Belfast Intl to Manila flights
Belfast City to Manila flights
Belfast Intl to Denpasar flights
Belfast City to Denpasar flights
Belfast Intl to New Delhi flights
Belfast City to New Delhi flights
Belfast City to Kuala Lumpur Intl flights
Belfast Intl to Kuala Lumpur Intl flights
Belfast Intl to Hyderabad flights
Belfast City to Hyderabad flights
Belfast City to Bangalore flights
Belfast Intl to Bangalore flights
Belfast City to Tbilisi flights
Belfast Intl to Hong Kong flights
Belfast Intl to Incheon Intl flights
Belfast City to Hong Kong flights
Belfast City to Incheon Intl flights
Belfast Intl to Singapore flights
Belfast City to Karachi flights
Belfast Intl to Phuket City flights
Belfast City to Taiwan Taoyuan Intl flights
Belfast Intl to Chiang Mai flights
Belfast Intl to Taiwan Taoyuan Intl flights

Top 4 airlines flying from Belfast to Southeast Asia

Discover the top 4 airlines that operate flights from Belfast to Southeast Asia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 December 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£552Average£807FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£562Average£830FlexibilityNo cancel feeOn-time75%
Search KLM flights
Malaysia AirlinesCheapest£691Average£785FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Qatar AirwaysCheapest£763Average£1,101FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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