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Cheap flights from Belfast to Southeast Asia from £291

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — BKK
30 Jan — 6 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to Southeast Asia

Enter your travel dates to find the best prices.

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 31 December 2025.

Thu 7/506:10BFS - BKK
2 stops24h 20mMultiple Airlines
Sun 17/502:10BKK - BFS
2 stops24h 05mMultiple Airlines
Deal found 29/12£463
Fri 6/306:30BHD - SIN
1 stop25h 45mKLM
Wed 11/301:40SIN - BHD
1 stop23h 10mKLM
Deal found 29/12£568
Thu 12/311:05BHD - BKK
2 stops24h 10mBritish Airways
Mon 16/318:40BKK - BHD
2 stops23h 00mBritish Airways
Deal found 30/12£624
Wed 11/317:40BHD - MNL
2 stops33h 10mChina Southern
Sun 15/317:55MNL - BHD
2 stops56h 40mChina Southern
Deal found 28/12£691
Thu 7/507:00BHD - BKK
2 stops23h 30mMultiple Airlines
Sun 17/502:10BKK - BHD
2 stops24h 20mMultiple Airlines
Deal found 29/12£466
Sat 9/507:05BHD - BKK
2 stops37h 10mMultiple Airlines
Sat 23/503:15BKK - BHD
2 stops35h 50mMultiple Airlines
Deal found 30/12£513
Fri 6/306:30BFS - SIN
2 stops22h 00mMultiple Airlines
Thu 12/320:00SIN - BFS
2 stops32h 40mMultiple Airlines
Deal found 29/12£520
Wed 4/319:25BHD - KUL
1 stop38h 00mBritish Airways
Sun 8/315:25KUL - BHD
2 stops25h 00mBritish Airways
Deal found 30/12£690
Sat 9/517:30BHD - BKK
1 stop34h 00mKLM
Sun 24/511:25BKK - BHD
2 stops59h 30mKLM
Deal found 30/12£697
Sat 7/205:45BFS - BKK
3 stops25h 45mMultiple Airlines
Sat 14/222:05BKK - BFS
2 stops30h 35mMultiple Airlines
Deal found 30/12£534
Tue 3/317:15BHD - MNL
2 stops21h 15mChina Southern
Tue 24/317:55MNL - BHD
3 stops32h 45mChina Southern
Deal found 28/12£736
Wed 18/317:40BHD - SIN
2 stops18h 55mBritish Airways
Sun 22/323:05SIN - BHD
1 stop17h 20mBritish Airways
Deal found 29/12£711
Sat 7/318:00BHD - SIN
2 stops38h 40mBritish Airways
Wed 11/323:05SIN - BHD
1 stop19h 10mBritish Airways
Deal found 27/12£714
Thu 12/219:45BFS - BKK
3 stops31h 05mMultiple Airlines
Thu 19/222:05BKK - BFS
2 stops22h 35mMultiple Airlines
Deal found 29/12£608
Sat 31/115:05BHD - KUL
1 stop18h 20mBritish Airways
Wed 4/219:25KUL - BHD
2 stops22h 50mBritish Airways
Deal found 29/12£715
Tue 31/317:30BHD - DPS
2 stops19h 05mKLM
Wed 15/420:45DPS - BHD
2 stops27h 10mKLM
Deal found 30/12£869
Thu 29/117:45BHD - MNL
2 stops20h 45mChina Southern
Mon 2/208:20MNL - BHD
2 stops42h 15mChina Southern
Deal found 29/12£887
Sat 14/205:55BFS - BKK
3 stops32h 10mMultiple Airlines
Sat 21/215:30BKK - BFS
3 stops37h 50mMultiple Airlines
Deal found 30/12£645
Tue 24/315:05BHD - BKK
2 stops21h 20mBritish Airways
Sat 4/417:30BKK - BHD
2 stops22h 40mBritish Airways
Deal found 30/12£715
Tue 24/309:25BHD - BKK
2 stops32h 55mMultiple Airlines
Sat 4/411:30BKK - BHD
1 stop34h 25mMultiple Airlines
Deal found 30/12£646
Thu 29/115:05BHD - SIN
2 stops21h 30mBritish Airways
Mon 2/223:15SIN - BHD
1 stop17h 50mBritish Airways
Deal found 27/12£737
Thu 12/219:45BFS - SIN
3 stops23h 35mMultiple Airlines
Thu 19/216:10SIN - BFS
2 stops26h 20mMultiple Airlines
Deal found 29/12£658
Wed 14/112:25BHD - SIN
2 stops24h 50mBritish Airways
Sun 18/123:05SIN - BHD
1 stop17h 20mBritish Airways
Deal found 28/12£743
Mon 23/317:45BHD - BKK
2 stops21h 45mMultiple Airlines
Mon 6/403:00BKK - BHD
2 stops37h 35mMultiple Airlines
Deal found 30/12£664
Thu 12/315:05BHD - DPS
2 stops40h 20mBritish Airways
Mon 16/316:25DPS - BHD
2 stops24h 40mBritish Airways
Deal found 27/12£814
Tue 3/308:35BFS - MNL
2 stops26h 25mMultiple Airlines
Tue 24/321:40MNL - BFS
2 stops32h 10mMultiple Airlines
Deal found 28/12£683
Tue 24/309:25BHD - BKK
1 stop18h 00mMultiple Airlines
Sun 5/408:35BKK - BHD
2 stops30h 45mMultiple Airlines
Deal found 30/12£702
Fri 13/207:00BFS - KUL
2 stops29h 40mMultiple Airlines
Fri 20/221:15KUL - BFS
2 stops19h 35mMultiple Airlines
Deal found 30/12£783
Tue 24/308:50BFS - BKK
2 stops33h 05mMultiple Airlines
Mon 6/402:10BKK - BFS
2 stops24h 15mMultiple Airlines
Deal found 30/12£786
Tue 3/309:25BHD - MNL
3 stops25h 00mMultiple Airlines
Mon 23/302:05MNL - BHD
3 stops39h 30mMultiple Airlines
Deal found 28/12£799

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 31 December 2025.

Round-trip from

£463

One-way from

£291

Popular in

December

Cheapest in

May

Average price

£1,023
7/5-17/5
  • 7/5-17/5
  • 4 total stops
  • 48h 25m total
  • Belfast to Southeast Asia
Search Deals
15/6
  • 15/6
  • 3 total stops
  • 40h 55m total
  • Belfast to Southeast Asia
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£42 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 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 31 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

Thu 7/5

06:10-12:30

2 stops24h 20m

Bangkok Suvarnabhumi

Sun 17/5

02:10-20:15

2 stops24h 05m

£463

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Thu 7/5

07:00-12:30

2 stops23h 30m

Bangkok Suvarnabhumi

Sun 17/5

02:10-20:30

2 stops24h 20m

£466

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Sat 9/5

07:05-02:15

2 stops37h 10m

Bangkok Suvarnabhumi

Sat 23/5

03:15-09:05

2 stops35h 50m

£513

BelfastSingapore

BFS - SIN

BFSSIN

Belfast Intl

Fri 6/3

06:30-12:30

2 stops22h 00m

Singapore Changi

Thu 12/3

20:00-20:40

2 stops32h 40m

£520

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Sat 7/2

05:45-14:30

3 stops25h 45m

Bangkok Suvarnabhumi

Sat 14/2

22:05-21:40

2 stops30h 35m

£534

BelfastSingapore

BHD - SIN

BHDSIN

Belfast City

Fri 6/3

06:30-16:15

1 stop25h 45m

Singapore Changi

Wed 11/3

01:40-16:50

1 stop23h 10m

£568

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Thu 12/2

19:45-09:50

3 stops31h 05m

Bangkok Suvarnabhumi

Thu 19/2

22:05-13:40

2 stops22h 35m

£608

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Thu 12/3

11:05-18:15

2 stops24h 10m

Bangkok Suvarnabhumi

Mon 16/3

18:40-10:40

2 stops23h 00m

£624

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Sat 14/2

05:55-21:05

3 stops32h 10m

Bangkok Suvarnabhumi

Sat 21/2

15:30-22:20

3 stops37h 50m

£645

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Tue 24/3

09:25-01:20

2 stops32h 55m

Bangkok Suvarnabhumi

Sat 4/4

11:30-15:55

1 stop34h 25m

£646

Flights are sorted by cheapest return flights first.

Deals found on 29/12

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 £545). Flying from Belfast to Southeast Asia in July is currently the most expensive (average of £718). 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

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 31 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
1,435 reviews
Check prices

Crew

8.4

Comfort

7.6

Food

7.2

Overall

7.7

Entertainment

7.1

Boarding

7.7

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
1,435 reviews
KLM
7.7
Good
1,435 reviews
Check prices

Crew

8.4

Comfort

7.6

Food

7.2

Overall

7.7

Entertainment

7.1

Boarding

7.7

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
3,700 reviews
KLM
7.7
Good
1,435 reviews
Check prices

Crew

8.4

Comfort

7.6

Food

7.2

Overall

7.7

Entertainment

7.1

Boarding

7.7

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
286 reviews
KLM
7.7
Good
1,435 reviews
Check prices

Crew

8.4

Comfort

7.6

Food

7.2

Overall

7.7

Entertainment

7.1

Boarding

7.7

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
7,631 reviews
KLM
7.7
Good
1,435 reviews
Check prices

Crew

8.4

Comfort

7.6

Food

7.2

Overall

7.7

Entertainment

7.1

Boarding

7.7

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 24h 10m. Fly via KLM, British Airways, or China Southern to get the fastest option. The distance from Belfast to Southeast Asia is about 6087 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 - Kuala Lumpur 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 £545). Flying from Belfast to Southeast Asia in July is currently the most expensive (average of £718). 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 Haneda flights
Belfast City to Haneda flights
Belfast Intl to Narita flights
Belfast City to Narita flights
Belfast Intl to Suvarnabhumi flights
Belfast City to Suvarnabhumi flights
Belfast Intl to Kathmandu flights
Belfast Intl to Manila flights
Belfast City to Manila flights
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Belfast City to Bangalore flights
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Belfast City to Kuala Lumpur Intl flights
Belfast Intl to Singapore flights
Belfast City to Singapore flights
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Belfast City to Hong Kong flights
Belfast Intl to Hyderabad flights
Belfast Intl to Tbilisi flights
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Belfast City to Tbilisi flights
Belfast Intl to Phuket City flights
Belfast City to Incheon Intl flights
Belfast Intl to Incheon Intl flights
Belfast Intl to Chiang Mai flights
Belfast Intl to Taiwan Taoyuan Intl flights
Belfast City to Chiang Mai 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 31 December 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£547Average£802FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£557Average£825FlexibilityNo cancel feeOn-time75%
Search KLM flights
Malaysia AirlinesCheapest£685Average£778FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Qatar AirwaysCheapest£756Average£1,116FlexibilityNo 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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