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Cheap flights from Northern Ireland 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.
BFS — BKK
2 set — 9 set1
1 adult

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 28 agosto 2025.

Round-trip from

£417

One-way from

£333

Popular in

December

Cheapest in

August

Average price

£595
10/9-9/11
  • 10/9-9/11
  • 4 total stops
  • 74h 35m total
  • Northern Ireland to Southeast Asia
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16/1
  • 16/1
  • 2 total stops
  • 33h 35m total
  • Northern Ireland to Southeast Asia
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£60 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Northern Ireland to Southeast Asia

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 28 agosto 2025.

mer 10/909:05BHD - BKK
2 stops35h 10mMultiple Airlines
dom 9/1103:15BKK - BHD
2 stops39h 25mMultiple Airlines
Deal found 25/8£417
gio 30/1021:20BFS - BKK
2 stops30h 10mMultiple Airlines
mer 5/1112:30BKK - BFS
1 stop27h 50mMultiple Airlines
Deal found 26/8£417
mer 29/1014:35BFS - BKK
2 stops22h 50mMultiple Airlines
mer 5/1112:30BKK - BFS
1 stop27h 40mMultiple Airlines
Deal found 26/8£434
dom 2/1114:45BFS - BKK
2 stops35h 25mMultiple Airlines
mer 5/1112:30BKK - BFS
1 stop16h 20mMultiple Airlines
Deal found 26/8£482
lun 27/1009:55BFS - BKK
2 stops24h 00mMultiple Airlines
mer 5/1112:30BKK - BFS
1 stop27h 40mMultiple Airlines
Deal found 26/8£489
mar 28/1005:45BFS - BKK
2 stops29h 20mMultiple Airlines
mer 5/1112:30BKK - BFS
1 stop27h 50mMultiple Airlines
Deal found 26/8£497
mer 1/1010:00BHD - BKK
2 stops30h 00mMultiple Airlines
mar 18/1102:10BKK - BHD
2 stops38h 00mMultiple Airlines
Deal found 25/8£498
mer 17/918:15BHD - BKK
2 stops26h 00mMultiple Airlines
dom 9/1103:15BKK - BHD
2 stops46h 20mMultiple Airlines
Deal found 25/8£499
lun 27/1009:55BFS - BKK
2 stops24h 00mMultiple Airlines
gio 30/1012:30BKK - BFS
1 stop26h 50mMultiple Airlines
Deal found 26/8£524
gio 11/907:05BHD - BKK
2 stops24h 40mMultiple Airlines
lun 10/1101:15BKK - BHD
2 stops39h 20mMultiple Airlines
Deal found 25/8£529
gio 11/916:20BHD - BKK
2 stops38h 30mMultiple Airlines
mar 14/1008:20BKK - BHD
2 stops32h 15mMultiple Airlines
Deal found 25/8£540
mer 29/1014:35BFS - BKK
2 stops22h 50mMultiple Airlines
lun 3/1112:30BKK - BFS
1 stop26h 50mMultiple Airlines
Deal found 26/8£544

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 28 agosto 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

gio 30/10

21:20-10:30

2 stops30h 10m

Bangkok Suvarnabhumi

mer 5/11

12:30-09:20

1 stop27h 50m

£417

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

mer 29/10

14:35-20:25

2 stops22h 50m

Bangkok Suvarnabhumi

mer 5/11

12:30-09:10

1 stop27h 40m

£434

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

gio 11/9

06:10-13:45

2 stops25h 35m

Bangkok Suvarnabhumi

lun 10/11

01:15-10:05

2 stops39h 50m

£468

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

gio 11/9

06:35-00:10

2 stops35h 35m

Bangkok Suvarnabhumi

mar 14/10

19:35-23:10

2 stops33h 35m

£469

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

dom 2/11

14:45-09:10

2 stops35h 25m

Bangkok Suvarnabhumi

mer 5/11

12:30-21:50

1 stop16h 20m

£482

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

mer 1/10

06:10-18:05

2 stops29h 55m

Bangkok Suvarnabhumi

mer 19/11

16:50-10:05

2 stops24h 15m

£486

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

lun 27/10

09:55-16:55

2 stops24h 00m

Bangkok Suvarnabhumi

mer 5/11

12:30-09:10

1 stop27h 40m

£489

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

mer 10/9

06:00-02:15

2 stops38h 15m

Bangkok Suvarnabhumi

lun 10/11

12:30-08:20

1 stop26h 50m

£491

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

mar 23/9

06:15-12:30

2 stops24h 15m

Bangkok Suvarnabhumi

mer 19/11

16:50-10:05

2 stops24h 15m

£494

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

mar 28/10

05:45-18:05

2 stops29h 20m

Bangkok Suvarnabhumi

mer 5/11

12:30-09:20

1 stop27h 50m

£497

Flights are sorted by cheapest return flights first.

Deals found on 26/8

Showing 1-10 of 32 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, May is the cheapest month in which you can book a flight from Northern Ireland to Southeast Asia (average of £717). Flying from Northern Ireland 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 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 28 agosto 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Northern Ireland to Southeast Asia as you normally would.

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 British Airways fly from Northern Ireland to Southeast Asia in about 34h 40m. 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 6752 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, May is the cheapest month in which you can book a flight from Northern Ireland to Southeast Asia (average of £717). Flying from Northern Ireland 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

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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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Heathrow to Singapore flights
London City to Haneda flights
London City to Narita flights
Luton to Suvarnabhumi flights
Gatwick to New Delhi flights
Stansted to New Delhi flights
Gatwick to Singapore flights
Heathrow to Phuket City flights
Heathrow to Taiwan Taoyuan Intl flights
Birmingham to Suvarnabhumi flights
Gatwick to Manila flights
Heathrow to Islamabad flights
Manchester to Islamabad flights
Stansted to Mumbai flights
Gatwick to Mumbai flights
Stansted to Manila flights
Gatwick to Hong Kong flights
Gatwick to Kuala Lumpur Intl flights
Gatwick to Colombo flights
Heathrow to Ahmedabad flights
Heathrow to Bangalore flights
London City to Kuala Lumpur Intl flights
Stansted to Kuala Lumpur Intl flights
London City to Hong Kong flights
Heathrow to Ho Chi Minh City flights
Stansted to Hong Kong flights
Stansted to Colombo flights
Heathrow to Lahore flights
London City to Manila flights
Heathrow to Dhaka flights
Heathrow to Denpasar flights
Gatwick to Phuket City flights

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 28 agosto 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£548Average£810FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£560Average£828FlexibilityNo cancel feeOn-time75%
Search KLM flights
Malaysia AirlinesCheapest£686Average£780FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Qatar AirwaysCheapest£801Average£1,165FlexibilityNo 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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