Cheap flights from Northern Ireland to Southeast Asia from £298

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to Southeast Asia departing on 15/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Northern Ireland to Southeast Asia

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
08:50 - 06:45
BFS
-
BKK
39h 55m
3 stops
Multiple Airlines Logo
09:45 - 11:35
BKK
-
BFS
31h 50m
3 stops
£544Multiple Airlines
Tue, 26 May - Tue, 2 Jun
Multiple Airlines Logo
09:00 - 12:35
BFS
-
BKK
21h 35m
2 stops
Multiple Airlines Logo
22:35 - 21:00
BKK
-
BFS
28h 25m
2 stops
£559Multiple Airlines
Thu, 3 Sep - Thu, 24 Sep
Multiple Airlines Logo
19:35 - 19:45
BFS
-
KUL
41h 10m
3 stops
Multiple Airlines Logo
19:10 - 23:00
KUL
-
BFS
34h 50m
2 stops
£560Multiple Airlines
Mon, 11 May - Thu, 28 May
Multiple Airlines Logo
08:55 - 06:45
BFS
-
BKK
39h 50m
3 stops
Multiple Airlines Logo
09:15 - 21:15
BKK
-
BFS
42h 00m
3 stops
£561Multiple Airlines
Fri, 15 May - Fri, 22 May
China Southern Logo
15:50 - 07:45
BHD
-
DPS
56h 55m
2 stops
China Southern Logo
00:40 - 20:35
DPS
-
BHD
50h 55m
2 stops
£734China Southern
Sun, 3 May - Sun, 10 May
China Southern Logo
15:50 - 10:35
BHD
-
MNL
35h 45m
2 stops
China Southern Logo
03:45 - 20:30
MNL
-
BHD
47h 45m
2 stops
£793China Southern
Sun, 24 May - Fri, 19 Jun
China Southern Logo
18:20 - 23:15
BHD
-
MNL
21h 55m
2 stops
China Southern Logo
11:55 - 20:35
MNL
-
BHD
63h 40m
2 stops
£803China Southern
Tue, 21 Apr - Mon, 4 May
Qatar Airways Logo
06:50 - 15:45
BHD
-
KUL
25h 55m
2 stops
Qatar Airways Logo
02:00 - 20:50
KUL
-
BHD
25h 50m
2 stops
£839Qatar Airways
Mon, 11 May - Tue, 9 Jun
Qatar Airways Logo
10:10 - 15:45
BHD
-
KUL
22h 35m
2 stops
Qatar Airways Logo
02:00 - 17:45
KUL
-
BHD
22h 45m
2 stops
£840Qatar Airways
Mon, 11 May - Tue, 9 Jun
Qatar Airways Logo
06:50 - 15:45
BHD
-
KUL
25h 55m
2 stops
Qatar Airways Logo
02:00 - 17:45
KUL
-
BHD
22h 45m
2 stops
£846Qatar Airways
Mon, 11 May - Tue, 9 Jun

KLM flights from Northern Ireland to Southeast Asia

Our best KLM deals on Northern Ireland to Southeast Asia flight tickets
KLM
23 Sept
BHD09:50Belfast City
17h 40m
1 stop
BKK09:30Bangkok Suvarnabhumi
4 Oct
BKK12:05Bangkok Suvarnabhumi
27h 15m
1 stop
BHD09:20Belfast City
£686
KLM
6 May
BHD09:50Belfast City
17h 40m
1 stop
BKK09:30Bangkok Suvarnabhumi
10 Jun
BKK08:30Bangkok Suvarnabhumi
14h 25m
1 stop
BHD16:55Belfast City
£695
KLM
23 Sept
BHD09:50Belfast City
17h 40m
1 stop
BKK09:30Bangkok Suvarnabhumi
4 Oct
BKK11:25Bangkok Suvarnabhumi
35h 30m
2 stops
BHD16:55Belfast City
£696

Aer Lingus flights from Northern Ireland to Southeast Asia

Our best Aer Lingus deals on Northern Ireland to Southeast Asia flight tickets
Aer Lingus
6 May
BHD11:05Belfast City
30h 45m
2 stops
BKK23:50Bangkok Suvarnabhumi
9 Jun
BKK03:15Bangkok Suvarnabhumi
40h 35m
2 stops
BHD13:50Belfast City
£715
Aer Lingus
10 May
BHD07:00Belfast City
29h 10m
2 stops
BKK18:10Bangkok Suvarnabhumi
17 May
BKK20:40Bangkok Suvarnabhumi
30h 25m
2 stops
BHD21:05Belfast City
£730
Aer Lingus
1 May
BHD11:05Belfast City
30h 45m
2 stops
BKK23:50Bangkok Suvarnabhumi
18 May
BKK03:15Bangkok Suvarnabhumi
20h 05m
2 stops
BHD17:20Belfast City
£736

momondo 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, momondo users made 279,928 searches. Data last updated 11 April 2026.
Use the filters below to find and compare flights from Northern Ireland to Southeast Asia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Tue 26/5

08:50-06:45

3 stops39h 55m

Bangkok Suvarnabhumi

Tue 2/6

09:45-11:35

3 stops31h 50m

£544

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Thu 3/9

09:00-12:35

2 stops21h 35m

Bangkok Suvarnabhumi

Thu 24/9

22:35-21:00

2 stops28h 25m

£559

BelfastKuala Lumpur

BFS - KUL

BFSKUL

Belfast Intl

Mon 11/5

19:35-19:45

3 stops41h 10m

Kuala Lumpur Intl

Thu 28/5

19:10-23:00

2 stops34h 50m

£560

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Fri 15/5

08:55-06:45

3 stops39h 50m

Bangkok Suvarnabhumi

Fri 22/5

09:15-21:15

3 stops42h 00m

£561

BelfastDenpasar

BHD - DPS

BHDDPS

Belfast City

Sun 3/5

15:50-07:45

2 stops56h 55m

Denpasar Bali Ngurah Rai

Sun 10/5

00:40-20:35

2 stops50h 55m

£734

BelfastManila

BHD - MNL

BHDMNL

Belfast City

Sun 24/5

15:50-10:35

2 stops35h 45m

Manila Ninoy Aquino Intl

Fri 19/6

03:45-20:30

2 stops47h 45m

£793

BelfastManila

BHD - MNL

BHDMNL

Belfast City

Tue 21/4

18:20-23:15

2 stops21h 55m

Manila Ninoy Aquino Intl

Mon 4/5

11:55-20:35

2 stops63h 40m

£803

BelfastKuala Lumpur

BHD - KUL

BHDKUL

Belfast City

Mon 11/5

06:50-15:45

2 stops25h 55m

Kuala Lumpur Intl

Tue 9/6

02:00-20:50

2 stops25h 50m

£839
Fastest return journey

BelfastKuala Lumpur

BHD - KUL

BHDKUL

Belfast City

Mon 11/5

10:10-15:45

2 stops22h 35m

Kuala Lumpur Intl

Tue 9/6

02:00-17:45

2 stops22h 45m

£840

BelfastKuala Lumpur

BHD - KUL

BHDKUL

Belfast City

Mon 11/5

06:50-15:45

2 stops25h 55m

Kuala Lumpur Intl

Tue 9/6

02:00-17:45

2 stops22h 45m

£846

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Southeast Asia from

How to get the cheapest flight ticket from Northern Ireland to Southeast Asia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Southeast Asia?

The month of August is, on average, the cheapest month to fly to Southeast Asia from Northern Ireland, with most prices found around £596. If you are unable to visit Southeast Asia during the month of August, then departing from Northern Ireland during the month May is also very affordable. Most momondo users find prices during this month for around £624.

Can stopping save me money on Northern Ireland to Southeast Asia flights?

No. A direct flight is the cheapest option for a flight between Northern Ireland to Southeast Asia.

Cheap Northern Ireland to Southeast Asia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to Southeast Asia

Fastest flight time

17h 50m

Direct flights

None
The fastest flight from Northern Ireland to Southeast Asia takes 17h 50m
There are no direct flights from Northern Ireland to Southeast Asia. There are no popular flight routes from Northern Ireland to Southeast Asia.

Frequently asked questions about flying from Northern Ireland to Southeast Asia

  • When did momondo last update prices for flights from Northern Ireland to Southeast Asia?

    Prices for flights from Northern Ireland to Southeast Asia were last updated today.

  • How many operators does momondo search for flights from Northern Ireland to Southeast Asia?

  • How old do you have to be to fly from Northern Ireland to Southeast Asia?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Northern Ireland to Southeast Asia.

  • What documentation or ID do you need to fly to Southeast Asia?

    The required travel and health documents for your Southeast Asia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Southeast Asia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Northern Ireland to Southeast Asia?

Best airlines flying from Northern Ireland to Southeast Asia

Compare and see reviews for airlines that fly from Northern Ireland to Southeast Asia with momondo
Airline
Rating
Free Cancellation
Price
China SouthernPriceFrom £450Free CancellationRating
7.4
146 reviews
Search China Southern flights
British AirwaysPriceFrom £547Free CancellationRating
6.7
7,871 reviews
Search British Airways flights
KLMPriceFrom £561Free CancellationRating
7.7
1,493 reviews
Search KLM flights
Qatar AirwaysPriceFrom £855Free CancellationRating
7.4
3,727 reviews
Search Qatar Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Northern Ireland to Southeast Asia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Northern Ireland to Southeast Asia . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Northern Ireland to Southeast Asia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Southeast Asia from Northern Ireland with this policy.

How can momondo help me find flights from Northern Ireland to Southeast Asia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Northern Ireland to Southeast Asia.

I’m not ready to book a flight from Northern Ireland to Southeast Asia right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Southeast Asia from Northern Ireland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Southeast Asia trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

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1 adult
Mon 11/5
Mon 18/5

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Popular flights according to clicks in the last 7 days on momondo