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Cheap flights from Belfast to Southeast Asia from £333
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 16/1. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — BKK
2 Sep — 9 Sep1
Return
1 adult
Economy
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 28 August 2025.
Find 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 28 August 2025.
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 28 August 2025.
Wed 10/909:05BHD - BKK
2 stops35h 10mMultiple Airlines
Sun 9/1103:15BKK - BHD
2 stops39h 25mMultiple Airlines
Deal found 25/8£417
Thu 30/1021:20BFS - BKK
2 stops30h 10mMultiple Airlines
Wed 5/1112:30BKK - BFS
1 stop27h 50mMultiple Airlines
Deal found 26/8£417
Wed 29/1014:35BFS - BKK
2 stops22h 50mMultiple Airlines
Wed 5/1112:30BKK - BFS
1 stop27h 40mMultiple Airlines
Deal found 26/8£434
Sun 2/1114:45BFS - BKK
2 stops35h 25mMultiple Airlines
Wed 5/1112:30BKK - BFS
1 stop16h 20mMultiple Airlines
Deal found 26/8£482
Mon 27/1009:55BFS - BKK
2 stops24h 00mMultiple Airlines
Wed 5/1112:30BKK - BFS
1 stop27h 40mMultiple Airlines
Deal found 26/8£489
Tue 28/1005:45BFS - BKK
2 stops29h 20mMultiple Airlines
Wed 5/1112:30BKK - BFS
1 stop27h 50mMultiple Airlines
Deal found 26/8£497
Wed 1/1010:00BHD - BKK
2 stops30h 00mMultiple Airlines
Tue 18/1102:10BKK - BHD
2 stops38h 00mMultiple Airlines
Deal found 25/8£498
Wed 17/918:15BHD - BKK
2 stops26h 00mMultiple Airlines
Sun 9/1103:15BKK - BHD
2 stops46h 20mMultiple Airlines
Deal found 25/8£499
Mon 27/1009:55BFS - BKK
2 stops24h 00mMultiple Airlines
Thu 30/1012:30BKK - BFS
1 stop26h 50mMultiple Airlines
Deal found 26/8£524
Thu 11/907:05BHD - BKK
2 stops24h 40mMultiple Airlines
Mon 10/1101:15BKK - BHD
2 stops39h 20mMultiple Airlines
Deal found 25/8£529
Thu 11/916:20BHD - BKK
2 stops38h 30mMultiple Airlines
Tue 14/1008:20BKK - BHD
2 stops32h 15mMultiple Airlines
Deal found 25/8£540
Wed 29/1014:35BFS - BKK
2 stops22h 50mMultiple Airlines
Mon 3/1112:30BKK - BFS
1 stop26h 50mMultiple Airlines
Deal found 26/8£544
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 28 August 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 30/10
21:20-10:30
2 stops30h 10m
Bangkok Suvarnabhumi
Wed 5/11
12:30-09:20
1 stop27h 50m
£417
BelfastBangkok
BFS - BKK
BFSBKK
Belfast Intl
Wed 29/10
14:35-20:25
2 stops22h 50m
Bangkok Suvarnabhumi
Wed 5/11
12:30-09:10
1 stop27h 40m
£434
BelfastBangkok
BFS - BKK
BFSBKK
Belfast Intl
Thu 11/9
06:10-13:45
2 stops25h 35m
Bangkok Suvarnabhumi
Mon 10/11
01:15-10:05
2 stops39h 50m
£468
BelfastBangkok
BFS - BKK
BFSBKK
Belfast Intl
Thu 11/9
06:35-00:10
2 stops35h 35m
Bangkok Suvarnabhumi
Tue 14/10
19:35-23:10
2 stops33h 35m
£469
BelfastBangkok
BFS - BKK
BFSBKK
Belfast Intl
Sun 2/11
14:45-09:10
2 stops35h 25m
Bangkok Suvarnabhumi
Wed 5/11
12:30-21:50
1 stop16h 20m
£482
BelfastBangkok
BFS - BKK
BFSBKK
Belfast Intl
Wed 1/10
06:10-18:05
2 stops29h 55m
Bangkok Suvarnabhumi
Wed 19/11
16:50-10:05
2 stops24h 15m
£486
BelfastBangkok
BFS - BKK
BFSBKK
Belfast Intl
Mon 27/10
09:55-16:55
2 stops24h 00m
Bangkok Suvarnabhumi
Wed 5/11
12:30-09:10
1 stop27h 40m
£489
BelfastBangkok
BFS - BKK
BFSBKK
Belfast Intl
Wed 10/9
06:00-02:15
2 stops38h 15m
Bangkok Suvarnabhumi
Mon 10/11
12:30-08:20
1 stop26h 50m
£491
BelfastBangkok
BFS - BKK
BFSBKK
Belfast Intl
Tue 23/9
06:15-12:30
2 stops24h 15m
Bangkok Suvarnabhumi
Wed 19/11
16:50-10:05
2 stops24h 15m
£494
BelfastBangkok
BFS - BKK
BFSBKK
Belfast Intl
Tue 28/10
05:45-18:05
2 stops29h 20m
Bangkok Suvarnabhumi
Wed 5/11
12:30-09:20
1 stop27h 50m
£497
Showing 1-10 of 32 results
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 £717). 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 28 August 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.
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 28 August 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.
Boarding
7.8
Overall
7.8
Comfort
7.7
Crew
8.4
Food
7.3
Entertainment
7.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2025
AMS - BOS
Boarding
7.8
Overall
7.8
Comfort
7.7
Crew
8.4
Food
7.3
Entertainment
7.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2025
AMS - BOS
Boarding
7.8
Overall
7.8
Comfort
7.7
Crew
8.4
Food
7.3
Entertainment
7.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2025
AMS - BOS
Boarding
7.8
Overall
7.8
Comfort
7.7
Crew
8.4
Food
7.3
Entertainment
7.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2025
AMS - BOS
Boarding
7.8
Overall
7.8
Comfort
7.7
Crew
8.4
Food
7.3
Entertainment
7.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2025
AMS - BOS
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.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Belfast to Southeast Asia
See prices for flight routes from nearby airports that may be better suited for you.
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 28 August 2025.
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.