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Cheap flights from Northern Ireland to Southeast Asia from £265

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 28/2. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — BKK
17 3월 — 24 3월1
1 adult
1 adult, Economy, 0 bags

Cheap 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 15 2월 2026.

화 17/213:55
BFS
-
BKK
2 stops25h 30m
Multiple Airlines
화 3/319:55
BKK
-
BFS
2 stops31h 15m
Multiple Airlines
Deal found 11/2£466
금 13/307:20
BHD
-
BKK
2 stops35h 10m
Multiple Airlines
목 19/301:30
BKK
-
BHD
2 stops38h 50m
Multiple Airlines
Deal found 13/2£472
목 10/906:10
BFS
-
DPS
2 stops25h 45m
Multiple Airlines
수 16/917:40
DPS
-
BFS
2 stops33h 00m
Multiple Airlines
Deal found 13/2£499
일 10/520:20
BHD
-
SIN
2 stops60h 15m
Multiple Airlines
일 7/600:55
SIN
-
BHD
2 stops39h 55m
Multiple Airlines
Deal found 12/2£526
일 10/522:10
BFS
-
SIN
2 stops58h 25m
Multiple Airlines
일 7/600:55
SIN
-
BFS
2 stops37h 30m
Multiple Airlines
Deal found 12/2£529
화 24/205:45
BFS
-
BKK
2 stops36h 35m
Multiple Airlines
목 12/312:25
BKK
-
BFS
1 stop26h 00m
Multiple Airlines
Deal found 12/2£545
수 25/208:50
BFS
-
BKK
2 stops34h 25m
Multiple Airlines
금 13/303:15
BKK
-
BFS
2 stops36h 10m
Multiple Airlines
Deal found 12/2£546
수 25/207:55
BFS
-
BKK
1 stop27h 05m
Multiple Airlines
화 17/319:10
BKK
-
BFS
2 stops45h 10m
Multiple Airlines
Deal found 11/2£547
수 25/207:55
BFS
-
BKK
1 stop27h 05m
Multiple Airlines
목 12/319:10
BKK
-
BFS
3 stops44h 40m
Multiple Airlines
Deal found 11/2£550
월 4/506:30
BHD
-
BKK
2 stops23h 10m
Multiple Airlines
화 16/608:20
BKK
-
BHD
2 stops30h 40m
Multiple Airlines
Deal found 13/2£571
토 5/907:00
BHD
-
BKK
2 stops23h 35m
Multiple Airlines
토 26/922:35
BKK
-
BHD
2 stops27h 55m
Multiple Airlines
Deal found 15/2£575
화 24/213:55
BFS
-
BKK
2 stops28h 25m
Multiple Airlines
수 11/312:30
BKK
-
BFS
1 stop27h 50m
Multiple Airlines
Deal found 11/2£575

Find 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 15 2월 2026.

Round-trip from

£472

One-way from

£265

Popular in

December

Cheapest in

May

Average price

£838
13/3-19/3
  • 13/3-19/3
  • 4 total stops
  • 74h 00m total
  • Northern Ireland to Southeast Asia
Search Deals
28/2
  • 28/2
  • 3 total stops
  • 43h 20m total
  • Northern Ireland to Southeast Asia
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£36 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
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 15 2월 2026.
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

BelfastSingapore

BHD - SIN

BHDSIN

Belfast City

일 10/5

20:20-15:35

2 stops60h 15m

Singapore Changi

일 7/6

00:55-09:50

2 stops39h 55m

£526

BelfastSingapore

BFS - SIN

BFSSIN

Belfast Intl

일 10/5

22:10-15:35

2 stops58h 25m

Singapore Changi

일 7/6

00:55-07:25

2 stops37h 30m

£529

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

월 16/3

08:35-22:25

2 stops30h 50m

Bangkok Suvarnabhumi

일 22/3

01:55-20:10

2 stops25h 15m

£545

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

수 25/2

08:50-02:15

2 stops34h 25m

Bangkok Suvarnabhumi

금 13/3

03:15-08:25

2 stops36h 10m

£546

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

수 25/2

07:55-18:00

1 stop27h 05m

Bangkok Suvarnabhumi

화 17/3

19:10-09:20

2 stops45h 10m

£547

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

수 25/2

07:55-18:00

1 stop27h 05m

Bangkok Suvarnabhumi

목 12/3

19:10-08:50

3 stops44h 40m

£550

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

일 3/5

09:50-09:30

1 stop17h 40m

Bangkok Suvarnabhumi

화 16/6

12:05-16:55

1 stop34h 50m

£594

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

월 4/5

17:30-09:30

1 stop34h 00m

Bangkok Suvarnabhumi

화 16/6

12:05-16:55

1 stop34h 50m

£594

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

화 5/5

17:30-09:30

1 stop34h 00m

Bangkok Suvarnabhumi

일 14/6

12:05-16:55

1 stop34h 50m

£594

BelfastKuala Lumpur

BFS - KUL

BFSKUL

Belfast Intl

화 10/3

05:45-08:45

3 stops43h 00m

Kuala Lumpur Intl

화 17/3

10:15-08:20

3 stops30h 05m

£596

Flights are sorted by cheapest return flights first.

Deals found on 13/2

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 £443). Flying from Northern Ireland to Southeast Asia in July is currently the most expensive (average of £708). 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.

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, China Southern, and British Airways fly from Northern Ireland to Southeast Asia in about 17h 40m. The time it takes to get you to your destination can typically vary by up to 15h 10m. The distance between Northern Ireland and Southeast Asia is about 6087 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 £443). Flying from Northern Ireland to Southeast Asia in July is currently the most expensive (average of £708). 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 Suvarnabhumi flights
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Stansted to Haneda flights
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Heathrow to Islamabad flights
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Gatwick to Manila flights
Heathrow to Singapore flights
Heathrow to Lahore flights
Luton to Kuala Lumpur Intl flights
Heathrow to Denpasar flights
Heathrow to Taiwan Taoyuan Intl flights
Gatwick to Colombo flights
London City to Manila flights
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Heathrow to Phuket City flights
Stansted to Colombo flights
Stansted to New Delhi flights
Gatwick to Singapore flights
Heathrow to Hanoi flights
Gatwick to New Delhi flights
Gatwick to Islamabad flights
Heathrow to Hyderabad flights
Gatwick to Don Mueang Intl flights
Gatwick to Hongqiao Intl flights
Heathrow to Gimpo Intl 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 15 2월 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£541Average£793FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£552Average£824FlexibilityNo cancel feeOn-time75%
Search KLM flights
Malaysia AirlinesCheapest£677Average£769FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Qatar AirwaysCheapest£806Average£1,135FlexibilityNo 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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