Find flights
When to book
Airlines
FAQs

Cheap flights from Belfast to Southeast Asia from £319

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 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — BKK
22 Jun — 29 Jun1
1 adult

Cheap 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 17 June 2025.

Round-trip from

£574

One-way from

£319

Popular in

December

Cheapest in

August

Average price

£673
2/9-18/9
  • 2/9-18/9
  • 6 total stops
  • 75h 20m total
  • Belfast to Southeast Asia
24/9
  • 24/9
  • 2 total stops
  • 34h 10m total
  • Belfast to Southeast Asia
Highest demand for flights based on searches. 9% potential increase in price (£58 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
Average for round-trip flights in June 2025

Find flight deals from Belfast to Southeast Asia

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 17 June 2025.

Tue 2/907:25BFS - KUL
3 stops35h 55mMultiple Airlines
Thu 18/909:50KUL - BFS
3 stops39h 25mMultiple Airlines
Deal found 15/6£574
Tue 23/906:15BFS - BKK
2 stops29h 50mMultiple Airlines
Tue 7/1013:55BKK - BFS
3 stops35h 30mMultiple Airlines
Deal found 15/6£605
Tue 23/906:30BHD - BKK
2 stops20h 45mKLM
Tue 7/1012:05BKK - BHD
1 stop34h 50mKLM
Deal found 15/6£625
Tue 23/907:05BHD - BKK
2 stops24h 40mMultiple Airlines
Mon 6/1001:50BKK - BHD
2 stops41h 55mMultiple Airlines
Deal found 15/6£634
Tue 23/918:15BHD - BKK
2 stops22h 50mMalaysia Airlines
Tue 7/1011:05BKK - BHD
2 stops34h 15mMalaysia Airlines
Deal found 15/6£650
Sun 9/1117:25BHD - BKK
2 stops22h 45mBritish Airways
Tue 2/1218:40BKK - BHD
2 stops20h 45mBritish Airways
Deal found 15/6£672
Tue 2/917:25BHD - DPS
2 stops37h 50mKLM
Thu 18/916:25DPS - BHD
2 stops31h 30mKLM
Deal found 15/6£707
Mon 10/1117:40BHD - DPS
2 stops37h 45mBritish Airways
Sun 30/1119:15DPS - BHD
2 stops21h 10mBritish Airways
Deal found 15/6£720
Mon 10/1106:40BFS - DPS
2 stops51h 45mMultiple Airlines
Sun 30/1119:15DPS - BFS
2 stops33h 20mMultiple Airlines
Deal found 15/6£728
Sun 13/719:00BFS - MNL
2 stops33h 15mMultiple Airlines
Sat 19/702:25MNL - BFS
3 stops40h 45mMultiple Airlines
Deal found 15/6£792
Mon 10/1117:20BHD - DPS
3 stops32h 35mMultiple Airlines
Sun 30/1119:15DPS - BHD
2 stops33h 15mMultiple Airlines
Deal found 15/6£812
Sun 13/718:30BHD - MNL
2 stops22h 50mMultiple Airlines
Sun 20/706:25MNL - BHD
2 stops33h 40mMultiple Airlines
Deal found 15/6£1,031

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 17 June 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

BelfastKuala Lumpur

BFS - KUL

BFSKUL

Belfast Intl

Tue 2/9

07:25-02:20

3 stops35h 55m

Kuala Lumpur Intl

Thu 18/9

09:50-18:15

3 stops39h 25m

£574

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Tue 23/9

06:15-18:05

2 stops29h 50m

Bangkok Suvarnabhumi

Tue 7/10

13:55-19:25

3 stops35h 30m

£605

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Tue 23/9

06:30-09:15

2 stops20h 45m

Bangkok Suvarnabhumi

Tue 7/10

12:05-16:55

1 stop34h 50m

£625

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Tue 23/9

07:05-13:45

2 stops24h 40m

Bangkok Suvarnabhumi

Mon 6/10

01:50-13:45

2 stops41h 55m

£634

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Tue 23/9

18:15-23:05

2 stops22h 50m

Bangkok Suvarnabhumi

Tue 7/10

11:05-15:20

2 stops34h 15m

£650

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Sun 9/11

17:25-23:10

2 stops22h 45m

Bangkok Suvarnabhumi

Tue 2/12

18:40-08:25

2 stops20h 45m

£672

BelfastDenpasar

BHD - DPS

BHDDPS

Belfast City

Tue 2/9

17:25-14:15

2 stops37h 50m

Denpasar Bali Ngurah Rai

Thu 18/9

16:25-16:55

2 stops31h 30m

£707

BelfastDenpasar

BHD - DPS

BHDDPS

Belfast City

Mon 10/11

17:40-15:25

2 stops37h 45m

Denpasar Bali Ngurah Rai

Sun 30/11

19:15-08:25

2 stops21h 10m

£720

BelfastDenpasar

BFS - DPS

BFSDPS

Belfast Intl

Mon 10/11

06:40-18:25

2 stops51h 45m

Denpasar Bali Ngurah Rai

Sun 30/11

19:15-20:35

2 stops33h 20m

£728

BelfastManila

BFS - MNL

BFSMNL

Belfast Intl

Sun 13/7

19:00-11:15

2 stops33h 15m

Manila Ninoy Aquino Intl

Sat 19/7

02:25-12:10

3 stops40h 45m

£792

Flights are sorted by cheapest return flights first.

Deals found on 14/6

Showing 1-10 of 18 results
1
2

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 £718). Flying from Belfast to Southeast Asia in December is currently the most expensive (average of £1,123). 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 17 June 2025.

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.

Rainfall in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average rainfall totals by month.

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.

Temperature in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average temperature totals by month.

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).

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 17 June 2025.
See what other customers who have flown with KLM, Malaysia Airlines and British Airways from Belfast to Southeast Asia have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

7.2

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.2

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.2

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.2

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.
  • 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?

    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 £718). Flying from Belfast to Southeast Asia in December is currently the most expensive (average of £1,123). 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.

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 17 June 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£544Average£787FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£556Average£820FlexibilityNo cancel feeOn-time75%
Search KLM flights
Malaysia AirlinesCheapest£672Average£884FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Qatar AirwaysCheapest£695Average£1,120FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.