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Cheap flights from Belfast Intl Airport to Southeast Asia from £250

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast Intl Airport to Southeast Asia departing on 15/2. 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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Find the cheapest flights from Belfast Intl Airport to Southeast Asia

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:30 - 22:00
BFS
-
HKT
32h 30m2 stops
Multiple Airlines Logo
00:05 - 22:20
HKT
-
BFS
29h 15m2 stops
£440Multiple Airlines
Fri, 30 Jan - Thu, 5 Feb
Multiple Airlines Logo
20:40 - 14:40
BFS
-
KUL
34h 00m3 stops
Multiple Airlines Logo
13:40 - 13:40
KUL
-
BFS
32h 00m3 stops
£576Multiple Airlines
Thu, 29 Jan - Thu, 5 Feb
Multiple Airlines Logo
21:25 - 23:20
BFS
-
KUL
41h 55m3 stops
Multiple Airlines Logo
10:15 - 22:50
KUL
-
BFS
20h 35m2 stops
£579Multiple Airlines
Thu, 29 Jan - Thu, 5 Feb
Multiple Airlines Logo
06:30 - 22:00
BFS
-
SIN
31h 30m2 stops
Multiple Airlines Logo
00:25 - 07:40
SIN
-
BFS
39h 15m2 stops
£610Multiple Airlines
Fri, 30 Jan - Thu, 5 Feb
Multiple Airlines Logo
06:30 - 22:00
BFS
-
HKT
32h 30m2 stops
Multiple Airlines Logo
11:05 - 22:45
HKT
-
BFS
42h 40m3 stops
£616Multiple Airlines
Fri, 30 Jan - Fri, 6 Feb
Multiple Airlines Logo
06:30 - 20:25
BFS
-
SIN
29h 55m3 stops
Multiple Airlines Logo
11:15 - 22:45
SIN
-
BFS
43h 30m3 stops
£635Multiple Airlines
Fri, 30 Jan - Fri, 6 Feb
Multiple Airlines Logo
06:30 - 12:30
BFS
-
SIN
22h 00m2 stops
Multiple Airlines Logo
11:15 - 22:45
SIN
-
BFS
43h 30m3 stops
£647Multiple Airlines
Fri, 30 Jan - Fri, 6 Feb
Multiple Airlines Logo
06:30 - 14:40
BFS
-
KUL
24h 10m2 stops
Multiple Airlines Logo
01:55 - 22:20
KUL
-
BFS
28h 25m2 stops
£673Multiple Airlines
Thu, 29 Jan - Wed, 4 Feb
Multiple Airlines Logo
06:30 - 10:25
BFS
-
BKK
20h 55m1 stop
Multiple Airlines Logo
08:55 - 07:30
BKK
-
BFS
28h 35m2 stops
£798Multiple Airlines
Fri, 20 Mar - Tue, 21 Apr
Multiple Airlines Logo
15:10 - 18:05
BFS
-
BKK
19h 55m2 stops
Multiple Airlines Logo
09:30 - 21:30
BKK
-
BFS
19h 00m2 stops
£818Multiple Airlines
Mon, 9 Mar - Sun, 15 Mar

momondo Fare Finder

 
Customise your flight search to find flights from Belfast Intl Airport 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 17 December 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to Southeast Asia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastPhuket City

BFS - HKT

BFSHKT

Belfast Intl

Fri 30/1

06:30-22:00

2 stops32h 30m

Phuket City

Thu 5/2

00:05-22:20

2 stops29h 15m

£440

BelfastKuala Lumpur

BFS - KUL

BFSKUL

Belfast Intl

Thu 29/1

20:40-14:40

3 stops34h 00m

Kuala Lumpur Intl

Thu 5/2

13:40-13:40

3 stops32h 00m

£576

BelfastKuala Lumpur

BFS - KUL

BFSKUL

Belfast Intl

Thu 29/1

21:25-23:20

3 stops41h 55m

Kuala Lumpur Intl

Thu 5/2

10:15-22:50

2 stops20h 35m

£579

BelfastSingapore

BFS - SIN

BFSSIN

Belfast Intl

Fri 30/1

06:30-22:00

2 stops31h 30m

Singapore Changi

Thu 5/2

00:25-07:40

2 stops39h 15m

£610

BelfastPhuket City

BFS - HKT

BFSHKT

Belfast Intl

Fri 30/1

06:30-22:00

2 stops32h 30m

Phuket City

Fri 6/2

11:05-22:45

3 stops42h 40m

£616

BelfastSingapore

BFS - SIN

BFSSIN

Belfast Intl

Fri 30/1

06:30-20:25

3 stops29h 55m

Singapore Changi

Fri 6/2

11:15-22:45

3 stops43h 30m

£635

BelfastSingapore

BFS - SIN

BFSSIN

Belfast Intl

Fri 30/1

06:30-12:30

2 stops22h 00m

Singapore Changi

Fri 6/2

11:15-22:45

3 stops43h 30m

£647

BelfastKuala Lumpur

BFS - KUL

BFSKUL

Belfast Intl

Thu 29/1

06:30-14:40

2 stops24h 10m

Kuala Lumpur Intl

Wed 4/2

01:55-22:20

2 stops28h 25m

£673

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Fri 20/3

06:30-10:25

1 stop20h 55m

Bangkok Suvarnabhumi

Tue 21/4

08:55-07:30

2 stops28h 35m

£798

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Mon 9/3

15:10-18:05

2 stops19h 55m

Bangkok Suvarnabhumi

Sun 15/3

09:30-21:30

2 stops19h 00m

£818

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
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See travel insights to Southeast Asia from

How to get the cheapest flight ticket from Belfast Intl Airport 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 May is, on average, the cheapest month to fly to Southeast Asia from Belfast Intl Airport, with most prices found around £586. If you are unable to visit Southeast Asia during the month of May, then departing from Belfast Intl Airport during the month August is also very affordable. Most momondo users find prices during this month for around £598.

What is the cheapest day to depart on your flight to Southeast Asia?

Our data shows that Tuesday is the least expensive day to fly to Southeast Asia. Tickets to fly out on this day can be as low as £609. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Southeast Asia on Friday is £726.

What is the cheapest time of day to depart on your flight to Southeast Asia?

In the afternoon is the cheapest time of day to fly from Belfast Intl Airport to Southeast Asia when you can find flight prices for as low as £667. Flying to Southeast Asia in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around £808. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on Belfast Intl Airport to Southeast Asia flights?

No. A direct flight is the cheapest option for a flight between Belfast Intl Airport to Southeast Asia.

Cheap Belfast Intl Airport to Southeast Asia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast Intl Airport to Southeast Asia

Fastest flight time

18h 20m

Direct flights

None
The fastest flight from Belfast Intl Airport to Southeast Asia takes 18h 20m
There are no direct flights from Belfast Intl Airport to Southeast Asia. There are no popular flight routes from Belfast Intl Airport to Southeast Asia.
Search flight deals

  • When did momondo last update prices for flights from Belfast Intl Airport to Southeast Asia?

    Prices for flights from Belfast Intl Airport to Southeast Asia refresh daily.

  • How many operators does momondo search for flights from Belfast Intl Airport to Southeast Asia?

  • How old do you have to be to fly from Belfast Intl Airport to Southeast Asia?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast Intl Airport to Southeast Asia.

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

    The travel and health documents you'll need for your trip to Southeast Asia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Southeast Asia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Belfast Intl Airport to Southeast Asia?

Best airlines flying from Belfast Intl Airport to Southeast Asia

Compare and see reviews for airlines that fly from Belfast Intl Airport to Southeast Asia with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £551Free CancellationRating
6.7
7,582 reviews
Search British Airways flights
KLMPriceFrom £561Free CancellationRating
7.7
1,430 reviews
Search KLM flights
Qatar AirwaysPriceFrom £810Free CancellationRating
7.4
3,683 reviews
Search Qatar Airways flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Belfast to Southeast Asia for you.

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

Yes. All flights to Southeast Asia from Belfast on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Belfast to Southeast Asia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Southeast Asia from Belfast. 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

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