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Cheap flights from Belfast City Airport to Southeast Asia from £355

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — BKK
19 Aug — 26 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast City to Southeast Asia

Enter your travel dates to find the best prices.

Cheapest flights from Belfast City to Southeast Asia
Explore the most affordable flight options available from Belfast City to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 July 2026.

Mon 14/909:50
BHD
-
KUL
2 stops26h 55m
Multiple Airlines
Sun 20/922:00
KUL
-
BHD
1 stop22h 40m
Multiple Airlines
Deal found 20/7£594
Mon 7/909:50
BHD
-
KUL
2 stops33h 15m
Multiple Airlines
Sun 13/922:00
KUL
-
BHD
1 stop29h 30m
Multiple Airlines
Deal found 19/7£615
Tue 1/917:30
BHD
-
BKK
1 stop34h 00m
KLM
Tue 29/912:05
BKK
-
BHD
1 stop34h 50m
KLM
Deal found 19/7£687
Mon 9/1107:20
BHD
-
SIN
2 stops29h 05m
Multiple Airlines
Sat 14/1100:25
SIN
-
BHD
2 stops26h 30m
Multiple Airlines
Deal found 19/7£691
Sun 6/907:00
BHD
-
DPS
2 stops33h 05m
Multiple Airlines
Sat 12/913:00
DPS
-
BHD
2 stops31h 40m
Multiple Airlines
Deal found 18/7£699
Tue 1/909:40
BHD
-
BKK
2 stops27h 45m
British Airways
Mon 28/902:30
BKK
-
BHD
2 stops21h 00m
British Airways
Deal found 19/7£745
Fri 2/1007:00
BHD
-
MNL
3 stops36h 10m
Multiple Airlines
Mon 26/1005:20
MNL
-
BHD
3 stops40h 15m
Multiple Airlines
Deal found 20/7£771
Mon 7/918:30
BHD
-
KUL
2 stops35h 15m
China Southern
Sun 13/908:05
KUL
-
BHD
2 stops43h 30m
China Southern
Deal found 19/7£793
Fri 28/807:00
BHD
-
KUL
2 stops33h 00m
Multiple Airlines
Sun 30/822:00
KUL
-
BHD
1 stop29h 30m
Multiple Airlines
Deal found 16/7£830
Thu 17/909:35
BHD
-
KUL
2 stops39h 20m
British Airways
Mon 21/922:50
KUL
-
BHD
1 stop17h 00m
British Airways
Deal found 19/7£838
Thu 19/1120:00
BHD
-
DPS
2 stops59h 20m
British Airways
Mon 23/1119:15
DPS
-
BHD
2 stops23h 25m
British Airways
Deal found 17/7£839
Fri 18/916:25
BHD
-
BKK
2 stops21h 00m
British Airways
Tue 22/920:00
BKK
-
BHD
2 stops27h 35m
British Airways
Deal found 19/7£847

Find flight deals from Belfast City to Southeast Asia

Keep the following information in mind while searching for Belfast City to Southeast Asia flight deals. Data was last updated 20 July 2026.

Round-trip from

£594

One-way from

£355

Popular in

December

Cheapest in

September

Average price

£810
14/9-20/9
  • 14/9-20/9
  • 3 total stops
  • 49h 35m total
  • Belfast to Southeast Asia
Search Deals
15/1
  • 15/1
  • 3 total stops
  • 37h 20m total
  • Belfast to Southeast Asia
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£188 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (£55 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast City 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 20 July 2026.
Use the filters below to find and compare flights from Belfast City Airport to Southeast Asia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastKuala Lumpur

BHD - KUL

BHDKUL

Belfast City

Mon 14/9

07:00-09:55

1 stop19h 55m

Kuala Lumpur Intl

Sun 20/9

22:00-13:40

1 stop22h 40m

£623

BelfastKuala Lumpur

BHD - KUL

BHDKUL

Belfast City

Mon 7/9

07:00-09:55

1 stop19h 55m

Kuala Lumpur Intl

Sun 13/9

22:00-20:30

1 stop29h 30m

£644

BelfastSingapore

BHD - SIN

BHDSIN

Belfast City

Mon 9/11

07:20-20:25

2 stops29h 05m

Singapore Changi

Sat 14/11

00:25-18:55

2 stops26h 30m

£691

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Tue 1/9

17:30-09:15

2 stops33h 45m

Bangkok Suvarnabhumi

Tue 29/9

12:05-16:55

1 stop34h 50m

£702

BelfastDenpasar

BHD - DPS

BHDDPS

Belfast City

Sun 6/9

07:00-23:05

2 stops33h 05m

Denpasar Bali Ngurah Rai

Fri 11/9

01:05-13:40

3 stops43h 35m

£736

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Tue 1/9

09:40-19:25

2 stops27h 45m

Bangkok Suvarnabhumi

Mon 28/9

02:30-17:30

2 stops21h 00m

£745

BelfastKuala Lumpur

BHD - KUL

BHDKUL

Belfast City

Thu 17/9

09:35-07:55

2 stops39h 20m

Kuala Lumpur Intl

Mon 21/9

22:50-08:50

1 stop17h 00m

£838

BelfastDenpasar

BHD - DPS

BHDDPS

Belfast City

Thu 19/11

20:00-15:20

2 stops59h 20m

Denpasar Bali Ngurah Rai

Mon 23/11

19:15-10:40

2 stops23h 25m

£839

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Fri 18/9

16:25-19:25

2 stops21h 00m

Bangkok Suvarnabhumi

Tue 22/9

20:00-17:35

2 stops27h 35m

£847

BelfastDenpasar

BHD - DPS

BHDDPS

Belfast City

Sun 6/9

19:10-07:45

2 stops53h 35m

Denpasar Bali Ngurah Rai

Fri 11/9

00:40-20:35

2 stops26h 55m

£868

Flights are sorted by cheapest return flights first.

Deals found on 19/7

Showing 1-10 of 44 resultsSorted by cheapest first
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5

Best time to book a flight from Belfast City to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Belfast City 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 Belfast City Airport to Southeast Asia

What is the cheapest month to book a flight from Belfast City Airport to Southeast Asia?

Currently, September is the cheapest month in which you can book a flight from Belfast City Airport to Southeast Asia (average of £861). Flying from Belfast City Airport to Southeast Asia in December is currently the most expensive (average of £1,505). 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.

How far ahead should I book a flight from Belfast City Airport to Southeast Asia?

To ensure you get the cheapest price possible for a flight from Belfast City Airport to Southeast Asia, you should look to book at least 84 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Southeast Asia

Get insights into the airlines that provide service to Southeast Asia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Southeast Asia. Reviews last updated 20 July 2026.
Check out reviews from past customers who have flown with KLM,Qatar Airways, andBritish Airways from Belfast City Airport to Southeast Asia to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,543 reviews
Check prices

Entertainment

7.2

Boarding

7.8

Overall

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
KLM
7.8
Good
1,543 reviews
KLM
7.8
Good
1,543 reviews
Check prices

Entertainment

7.2

Boarding

7.8

Overall

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Qatar Airways
7.3
Good
3,748 reviews
KLM
7.8
Good
1,543 reviews
Check prices

Entertainment

7.2

Boarding

7.8

Overall

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
British Airways
6.7
Okay
8,124 reviews
KLM
7.8
Good
1,543 reviews
Check prices

Entertainment

7.2

Boarding

7.8

Overall

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

Related info for your journey

Find useful and relevant information for your journey from Belfast City 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 Belfast City Airport to Southeast Asia?

    KLM, British Airways, and China Southern can get you from Belfast City Airport to Southeast Asia in just under 27h 45m. Your travel time can differ by up to 25h 50m. Airlines will cover a distance of 6087 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Belfast City Airport to Southeast Asia?

    The most popular flight routes from Belfast City Airport to Southeast Asia are Belfast City - Manila Ninoy Aquino Intl, Belfast City - Bangkok Suvarnabhumi and Belfast City - Denpasar Bali Ngurah Rai.

  • Can I find deals for flights from Belfast City to Southeast Asia that include hotel bookings?

    Yes. In addition to deals on Belfast City to Southeast Asia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Belfast City to Southeast Asia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast City to Southeast Asia.

  • Can I find deals for business class flights from Belfast City to Southeast Asia?

    Yes. Cheapflights offers flight deals from Belfast City 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 Belfast City Airport to Southeast Asia?

    Currently, September is the cheapest month in which you can book a flight from Belfast City Airport to Southeast Asia (average of £861). Flying from Belfast City Airport to Southeast Asia in December is currently the most expensive (average of £1,505). 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.

Top 3 airlines flying from Belfast City to Southeast Asia

Discover the top 3 airlines that operate flights from Belfast City 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 20 July 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£691Average£825FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£692Average£972FlexibilityNo cancel feeOn-time75%
Search KLM flights
Qatar AirwaysCheapest£838Average£1,155FlexibilityNo 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 Belfast City to Southeast Asia?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Belfast City to Southeast Asia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Belfast City to Southeast Asia?

Cheapflights simply makes it quick and affordable to book flights from Belfast City to Southeast Asia by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Belfast City to Southeast Asia with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Belfast City to Southeast Asia flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Belfast City to Southeast Asia become cheaper?

Not ready to book yet? You can track prices for flights from Belfast City to Southeast Asia on Cheapflights with our Price Alert feature and get notified when better prices are available.

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