Find flights
When to book
FAQs

Cheap flights from Northern Ireland to Southeast Asia from £482

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — BKK
21 Jan — 28 Jan1
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 22 December 2025.

Sat 27/1217:20BHD - BKK
2 stops31h 10mKLM
Sat 24/109:30BKK - BHD
2 stops38h 20mKLM
Deal found 21/12£1,138
Sat 27/1218:00BHD - BKK
2 stops29h 15mQatar Airways
Sat 24/119:50BKK - BHD
2 stops25h 00mQatar Airways
Deal found 20/12£1,182
Sat 27/1209:25BHD - BKK
2 stops17h 25mMultiple Airlines
Sat 10/122:05BKK - BHD
2 stops22h 45mMultiple Airlines
Deal found 20/12£1,202
Sat 20/1206:30BHD - MNL
2 stops29h 00mKLM
Sun 25/122:00MNL - BHD
2 stops26h 50mKLM
Deal found 20/12£1,413
Sat 20/1218:00BHD - MNL
2 stops20h 35mMultiple Airlines
Sun 25/119:45MNL - BHD
2 stops30h 55mMultiple Airlines
Deal found 20/12£2,133

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 22 December 2025.

Round-trip from

£513

Popular in

December

Cheapest in

May

Average price

£1,028
3/2-9/2
  • 3/2-9/2
  • 4 total stops
  • 59h 35m total
  • Northern Ireland to Southeast Asia
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£43 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 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 22 December 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

Thu 5/2

06:30-12:20

2 stops22h 50m

Bangkok Suvarnabhumi

Wed 11/2

01:55-19:35

2 stops24h 40m

£482

BelfastPhuket City

BFS - HKT

BFSHKT

Belfast Intl

Tue 3/2

06:30-22:00

2 stops32h 30m

Phuket City

Mon 9/2

00:05-20:10

2 stops27h 05m

£513

BelfastDenpasar

BHD - DPS

BHDDPS

Belfast City

Thu 26/2

09:05-07:35

2 stops38h 30m

Denpasar Bali Ngurah Rai

Wed 18/3

00:40-07:30

2 stops38h 50m

£578

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Tue 20/1

17:15-01:05

2 stops24h 50m

Bangkok Suvarnabhumi

Tue 27/1

08:20-08:25

2 stops31h 05m

£581

BelfastDenpasar

BFS - DPS

BFSDPS

Belfast Intl

Wed 4/2

20:55-23:55

3 stops43h 00m

Denpasar Bali Ngurah Rai

Wed 11/2

14:00-16:10

3 stops34h 10m

£626

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Wed 21/1

20:55-18:00

1 stop14h 05m

Bangkok Suvarnabhumi

Tue 3/2

17:55-07:50

2 stops44h 55m

£653

BelfastDenpasar

BFS - DPS

BFSDPS

Belfast Intl

Thu 26/2

10:15-23:55

2 stops29h 40m

Denpasar Bali Ngurah Rai

Wed 18/3

00:55-19:35

2 stops26h 40m

£662

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Wed 21/1

18:00-18:00

1 stop17h 00m

Bangkok Suvarnabhumi

Mon 2/2

02:50-20:30

2 stops24h 40m

£697

BelfastKuala Lumpur

BHD - KUL

BHDKUL

Belfast City

Sat 6/6

16:15-17:50

1 stop18h 35m

Kuala Lumpur Intl

Wed 10/6

16:10-08:50

2 stops23h 40m

£718

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Tue 20/1

08:35-10:25

1 stop18h 50m

Bangkok Suvarnabhumi

Mon 26/1

02:50-10:05

2 stops38h 15m

£721

Flights are sorted by cheapest return flights first.

Deals found on 22/12

Showing 1-10 of 31 results
1
2
3
4

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 £548). Flying from Northern Ireland to Southeast Asia in July is currently the most expensive (average of £721). 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 22 December 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 11% 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 British Airways, China Southern, and KLM fly from Northern Ireland to Southeast Asia in about 18h 35m. The time it takes to get you to your destination can typically vary by up to 17h 25m. The distance between Northern Ireland and Southeast Asia is about 6752 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, May is the cheapest month in which you can book a flight from Northern Ireland to Southeast Asia (average of £548). Flying from Northern Ireland to Southeast Asia in July is currently the most expensive (average of £721). 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.

Alternative routes for Northern Ireland to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Suvarnabhumi flights
Gatwick to Suvarnabhumi flights
Heathrow to Haneda flights
London City to Suvarnabhumi flights
Stansted to Suvarnabhumi flights
Heathrow to Narita flights
Heathrow to New Delhi flights
Gatwick to Narita flights
Gatwick to Haneda flights
Heathrow to Kuala Lumpur Intl flights
Stansted to Narita flights
Heathrow to Colombo flights
London City to Haneda flights
London City to Narita flights
Manchester to Islamabad flights
Heathrow to Manila flights
Heathrow to Hong Kong flights
Luton to Suvarnabhumi flights
Heathrow to Mumbai flights
Manchester to Suvarnabhumi flights
Heathrow to Incheon Intl flights
Heathrow to Don Mueang Intl flights
Heathrow to Lahore flights
Heathrow to Islamabad flights
Heathrow to Singapore flights
Stansted to Haneda flights
Gatwick to Manila flights
Gatwick to New Delhi flights
Stansted to Manila flights
Stansted to New Delhi flights
Birmingham to Suvarnabhumi flights
Gatwick to Kuala Lumpur Intl flights
Heathrow to Phuket City flights
Gatwick to Singapore flights
London City to Manila flights
Stansted to Kuala Lumpur Intl flights
Gatwick to Lahore flights
Stansted to Islamabad flights
Heathrow to Hyderabad flights
Luton to Narita flights
Stansted to Colombo flights
Gatwick to Colombo flights
Gatwick to Islamabad flights
London City to Kuala Lumpur Intl flights
Heathrow to Malé flights
Gatwick to Hong Kong flights
Heathrow to Ho Chi Minh City flights
Heathrow to Denpasar flights
Gatwick to Mumbai flights
Stansted to Mumbai 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 22 December 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£550Average£805FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£560Average£825FlexibilityNo cancel feeOn-time75%
Search KLM flights
Malaysia AirlinesCheapest£688Average£782FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Qatar AirwaysCheapest£759Average£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 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.

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.