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Cheap flights from Northern Ireland to Southeast Asia from £268

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 24/11. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — BKK
22 nov — 29 nov1
1 adult
1 adult, Economy

Find flight deals from Northern Ireland to Southeast Asia

Enter your travel dates to find the best prices.

Cheapest flights from Northern Ireland to Southeast Asia
Explore the most affordable flight options available from Northern Ireland to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 ottobre 2025.

mer 3/1206:30BFS - BKK
1 stop20h 55mMultiple Airlines
mer 10/1212:30BKK - BFS
1 stop36h 25mMultiple Airlines
Deal found 21/10£445
mar 2/1217:35BFS - BKK
1 stop33h 50mMultiple Airlines
mar 16/1208:25BKK - BFS
1 stop30h 30mMultiple Airlines
Deal found 22/10£479
gio 4/1206:00BFS - SIN
3 stops37h 20mMultiple Airlines
gio 11/1216:10SIN - BFS
2 stops26h 20mMultiple Airlines
Deal found 20/10£498
lun 8/1206:30BFS - BKK
3 stops37h 05mMultiple Airlines
dom 14/1209:15BKK - BFS
2 stops29h 10mMultiple Airlines
Deal found 20/10£524
mer 3/1207:25BHD - BKK
1 stop20h 00mMultiple Airlines
mer 10/1212:30BKK - BHD
1 stop37h 30mMultiple Airlines
Deal found 21/10£550
sab 22/1122:25BFS - DPS
3 stops35h 35mMultiple Airlines
lun 1/1214:00DPS - BFS
3 stops31h 10mMultiple Airlines
Deal found 20/10£566
mar 2/1207:20BHD - BKK
2 stops35h 10mMultiple Airlines
mar 16/1219:30BKK - BHD
2 stops21h 05mMultiple Airlines
Deal found 22/10£574
ven 5/1207:50BFS - SIN
3 stops41h 45mMultiple Airlines
ven 12/1216:10SIN - BFS
2 stops31h 00mMultiple Airlines
Deal found 21/10£586
lun 3/1114:50BHD - BKK
2 stops24h 40mMultiple Airlines
dom 30/1118:55BKK - BHD
2 stops45h 10mMultiple Airlines
Deal found 21/10£590
gio 4/1206:35BHD - BKK
2 stops32h 55mMultiple Airlines
mar 9/1202:10BKK - BHD
2 stops37h 05mMultiple Airlines
Deal found 22/10£634
sab 6/1222:25BFS - DPS
3 stops39h 45mMultiple Airlines
sab 13/1214:00DPS - BFS
3 stops30h 40mMultiple Airlines
Deal found 22/10£663
gio 4/1206:30BFS - KUL
2 stops34h 25mMultiple Airlines
gio 11/1220:05KUL - BFS
2 stops34h 15mMultiple Airlines
Deal found 20/10£684

Cheap flight deals from Northern Ireland to Southeast Asia

Keep the following information in mind while searching for Northern Ireland to Southeast Asia flight deals. Data was last updated 23 ottobre 2025.

Round-trip from

£445

One-way from

£268

Popular in

December

Cheapest in

May

Average price

£810
3/12-10/12
  • 3/12-10/12
  • 2 total stops
  • 57h 20m total
  • Northern Ireland to Southeast Asia
Search Deals
24/11
  • 24/11
  • 3 total stops
  • 47h 05m total
  • Northern Ireland to Southeast Asia
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£46 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 October 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Northern Ireland 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 23 ottobre 2025.
Use the filters below to find and compare flights from Northern Ireland to Southeast Asia that are best for you.

Fly from

Northern Ireland

Fly to

Southeast Asia

Route

Depart

Return

Price

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

mer 3/12

06:30-10:25

1 stop20h 55m

Bangkok Suvarnabhumi

mer 10/12

12:30-17:55

1 stop36h 25m

£445

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

mar 2/12

17:35-10:25

1 stop33h 50m

Bangkok Suvarnabhumi

mar 16/12

08:25-07:55

1 stop30h 30m

£479

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

lun 8/12

06:30-02:35

3 stops37h 05m

Bangkok Suvarnabhumi

dom 14/12

09:15-14:55

3 stops36h 40m

£526

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

mer 3/12

07:25-10:25

1 stop20h 00m

Bangkok Suvarnabhumi

mer 10/12

12:30-19:00

1 stop37h 30m

£550

BelfastSingapore

BFS - SIN

BFSSIN

Belfast Intl

gio 4/12

06:00-03:20

3 stops37h 20m

Singapore Changi

mer 10/12

02:45-22:50

2 stops28h 05m

£554

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

lun 16/2

20:55-10:25

1 stop30h 30m

Bangkok Suvarnabhumi

gio 19/3

12:25-08:30

1 stop27h 05m

£560

BelfastDenpasar

BFS - DPS

BFSDPS

Belfast Intl

sab 22/11

22:25-18:00

3 stops35h 35m

Denpasar Bali Ngurah Rai

lun 1/12

14:00-13:10

3 stops31h 10m

£566

BelfastSingapore

BFS - SIN

BFSSIN

Belfast Intl

ven 5/12

07:50-09:35

3 stops41h 45m

Singapore Changi

ven 12/12

16:10-15:10

2 stops31h 00m

£586

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

lun 3/11

14:50-22:30

2 stops24h 40m

Bangkok Suvarnabhumi

dom 30/11

18:55-09:05

2 stops45h 10m

£590

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

mar 2/12

10:15-10:25

1 stop17h 10m

Bangkok Suvarnabhumi

mar 16/12

08:25-20:30

1 stop19h 05m

£599

Flights are sorted by cheapest return flights first.

Deals found on 20/10

Showing 1-10 of 40 results
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Best time to book a flight from Northern Ireland to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Northern Ireland 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 Northern Ireland to Southeast Asia

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

Currently, January is the cheapest month in which you can book a flight from Northern Ireland to Southeast Asia (average of £509). Flying from Northern Ireland to Southeast Asia in July is currently the most expensive (average of £730). 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 NIR to YJX?

Find hourly flight availability from Northern Ireland 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 23 ottobre 2025.

One of the essential ways to save on airfare from Northern Ireland to Southeast Asia is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at midday could potentially save you up to 12% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland 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 Northern Ireland to Southeast Asia?

    Airlines like KLM fly from Northern Ireland to Southeast Asia in about 25h 45m. The time it takes to get you to your destination can typically vary by up to . The distance between Northern Ireland and Southeast Asia is about 6920 mi.

  • Can I find deals for flights from Northern Ireland to Southeast Asia that include hotel bookings?

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

  • How can I find direct flights from Northern Ireland to Southeast Asia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to Southeast Asia.

  • Can I find deals for business class flights from Northern Ireland to Southeast Asia?

    Yes. Cheapflights offers flight deals from Northern Ireland 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 Northern Ireland to Southeast Asia?

    Currently, January is the cheapest month in which you can book a flight from Northern Ireland to Southeast Asia (average of £509). Flying from Northern Ireland to Southeast Asia in July is currently the most expensive (average of £730). 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

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Alternative routes for Northern Ireland to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Northern Ireland to Southeast Asia

Discover the top 4 airlines that operate flights from Northern Ireland 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 23 ottobre 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£553Average£826FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£565Average£835FlexibilityNo cancel feeOn-time75%
Search KLM flights
Malaysia AirlinesCheapest£692Average£787FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Qatar AirwaysCheapest£812Average£1,068FlexibilityNo 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 Northern Ireland to Southeast Asia?

When you search for this flight from Northern Ireland to Southeast Asia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to Southeast Asia?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Southeast Asia from Northern Ireland.

Can Cheapflights find flights from Northern Ireland to Southeast Asia with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Northern Ireland to Southeast Asia flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Northern Ireland to Southeast Asia become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Southeast Asia from Northern Ireland today and book when prices fit your budget.

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