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Cheap flights from Belfast City Airport to Southeast Asia from £437

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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — BKK
27 Feb — 6 Mrz1
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 28 Januar 2026.

Do 22/1016:20
BHD
-
BKK
2 stops42h 45m
Multiple Airlines
Do 5/1101:30
BKK
-
BHD
2 stops40h 00m
Multiple Airlines
Deal found 26/1£479
Mo 9/319:25
BHD
-
BKK
2 stops47h 25m
Multiple Airlines
Di 24/308:20
BKK
-
BHD
2 stops31h 05m
Multiple Airlines
Deal found 27/1£502
Mo 16/1109:15
BHD
-
BKK
2 stops25h 50m
Multiple Airlines
Sa 28/1101:30
BKK
-
BHD
2 stops37h 55m
Multiple Airlines
Deal found 27/1£582
Do 1/1007:00
BHD
-
BKK
2 stops28h 25m
Multiple Airlines
Di 27/1007:45
BKK
-
BHD
1 stop32h 50m
Multiple Airlines
Deal found 27/1£592
Di 8/916:25
BHD
-
BKK
1 stop17h 40m
British Airways
Mo 14/917:30
BKK
-
BHD
2 stops21h 20m
British Airways
Deal found 27/1£598
Fr 1/506:30
BHD
-
BKK
2 stops41h 45m
Multiple Airlines
Mo 18/503:15
BKK
-
BHD
2 stops22h 10m
Multiple Airlines
Deal found 27/1£601
Di 29/909:50
BHD
-
BKK
2 stops25h 55m
Multiple Airlines
Di 27/1007:45
BKK
-
BHD
1 stop32h 50m
Multiple Airlines
Deal found 27/1£603
Mi 30/907:00
BHD
-
BKK
2 stops28h 25m
Multiple Airlines
Di 27/1007:45
BKK
-
BHD
1 stop32h 50m
Multiple Airlines
Deal found 26/1£608
Mo 28/914:30
BHD
-
BKK
2 stops20h 55m
Multiple Airlines
Di 27/1007:45
BKK
-
BHD
1 stop32h 50m
Multiple Airlines
Deal found 27/1£609
So 4/1007:00
BHD
-
BKK
2 stops28h 25m
Multiple Airlines
Di 27/1007:45
BKK
-
BHD
1 stop32h 50m
Multiple Airlines
Deal found 27/1£611
Mi 25/211:25
BHD
-
MNL
2 stops27h 05m
Multiple Airlines
Mi 4/308:20
MNL
-
BHD
2 stops31h 55m
Multiple Airlines
Deal found 27/1£628
Di 3/219:25
BHD
-
SIN
1 stop38h 15m
Multiple Airlines
Di 10/223:35
SIN
-
BHD
1 stop18h 55m
Multiple Airlines
Deal found 27/1£674

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 28 Januar 2026.

Round-trip from

£502

One-way from

£437

Popular in

December

Cheapest in

May

Average price

£712
9/3-24/3
  • 9/3-24/3
  • 4 total stops
  • 78h 30m total
  • Belfast to Southeast Asia
Search Deals
4/2
  • 4/2
  • 1 total stop
  • 17h 10m total
  • Belfast to Southeast Asia
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£48 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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 28 Januar 2026.
Use the filters below to find and compare flights from Belfast City Airport to Southeast Asia that are best for you.

Fly from

Belfast City

Fly to

Southeast Asia

Route

Depart

Return

Price

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Fr 1/5

06:30-06:15

2 stops41h 45m

Bangkok Suvarnabhumi

Mo 18/5

03:15-19:25

2 stops22h 10m

£601

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Do 19/2

09:05-18:15

2 stops26h 10m

Bangkok Suvarnabhumi

Mi 11/3

18:40-10:15

2 stops22h 35m

£622

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Di 17/2

11:25-18:15

2 stops23h 50m

Bangkok Suvarnabhumi

Mi 11/3

18:40-10:15

2 stops22h 35m

£622

BelfastManila

BHD - MNL

BHDMNL

Belfast City

Mi 25/2

11:25-22:30

2 stops27h 05m

Manila Ninoy Aquino Intl

Mi 4/3

08:20-08:15

2 stops31h 55m

£628

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Do 12/3

09:05-18:15

2 stops26h 10m

Bangkok Suvarnabhumi

Mo 16/3

17:40-09:05

2 stops22h 25m

£630

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Mi 18/2

09:15-19:25

2 stops27h 10m

Bangkok Suvarnabhumi

Mi 11/3

18:40-10:15

2 stops22h 35m

£643

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Sa 6/6

17:30-09:10

2 stops33h 40m

Bangkok Suvarnabhumi

Sa 27/6

12:05-16:55

1 stop34h 50m

£652

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Mi 29/4

09:50-09:30

1 stop17h 40m

Bangkok Suvarnabhumi

Do 21/5

11:25-09:20

2 stops27h 55m

£653

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Mi 18/2

12:25-19:25

2 stops24h 00m

Bangkok Suvarnabhumi

Do 5/3

17:40-16:40

2 stops30h 00m

£658

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Di 17/2

11:25-18:15

2 stops23h 50m

Bangkok Suvarnabhumi

Di 10/3

18:40-11:30

2 stops23h 50m

£684

Flights are sorted by cheapest return flights first.

Deals found on 27/1

Showing 1-10 of 33 results
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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, May is the cheapest month in which you can book a flight from Belfast City Airport to Southeast Asia (average of £567). Flying from Belfast City Airport to Southeast Asia in December is currently the most expensive (average of £767). 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.

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 28 Januar 2026.
Check out reviews from past customers who have flown with KLM, Qatar Airways, andMalaysia Airlines 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
7.7
Good
1,443 reviews
Check prices

Food

7.3

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,443 reviews
KLM
7.7
Good
1,443 reviews
Check prices

Food

7.3

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Qatar Airways
7.4
Good
3,730 reviews
KLM
7.7
Good
1,443 reviews
Check prices

Food

7.3

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Malaysia Airlines
7.3
Good
290 reviews
KLM
7.7
Good
1,443 reviews
Check prices

Food

7.3

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,705 reviews
KLM
7.7
Good
1,443 reviews
Check prices

Food

7.3

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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?

    British Airways, China Southern, and KLM can get you from Belfast City Airport to Southeast Asia in just under 19h 05m. Your travel time can differ by up to 8h 20m. Airlines will cover a distance of 7925 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 - Bangkok Suvarnabhumi, Belfast City - Manila Ninoy Aquino Intl and Belfast City - Kuala Lumpur Intl.

  • 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, May is the cheapest month in which you can book a flight from Belfast City Airport to Southeast Asia (average of £567). Flying from Belfast City Airport to Southeast Asia in December is currently the most expensive (average of £767). 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 Belfast City to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
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Belfast Intl to Kuala Lumpur Intl flights
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Belfast Intl to Taiwan Taoyuan Intl flights
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Belfast City to Karachi flights
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Belfast City to Kuching flights

Top 4 airlines flying from Belfast City to Southeast Asia

Discover the top 4 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 28 Januar 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£586Average£797FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£604Average£794FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Malaysia AirlinesCheapest£673Average£765FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Qatar AirwaysCheapest£801Average£1,131FlexibilityNo 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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