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Cheap flights from Belfast City Airport to Southeast Asia from £337

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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — BKK
20 Jul — 27 Jul1
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 June 2026.

Wed 4/1110:15
BHD
-
BKK
2 stops31h 40m
Multiple Airlines
Tue 1/1207:45
BKK
-
BHD
1 stop32h 50m
Multiple Airlines
Deal found 18/6£684
Sun 8/1107:25
BHD
-
BKK
2 stops34h 30m
Multiple Airlines
Tue 1/1207:45
BKK
-
BHD
1 stop19h 45m
Multiple Airlines
Deal found 18/6£692
Tue 3/1107:20
BHD
-
BKK
1 stop19h 45m
Multiple Airlines
Tue 1/1207:45
BKK
-
BHD
1 stop32h 50m
Multiple Airlines
Deal found 18/6£707
Thu 5/1111:05
BHD
-
BKK
2 stops21h 25m
Multiple Airlines
Tue 1/1207:45
BKK
-
BHD
1 stop32h 50m
Multiple Airlines
Deal found 18/6£716
Sat 7/1107:25
BHD
-
BKK
1 stop16h 00m
Multiple Airlines
Tue 1/1207:45
BKK
-
BHD
1 stop32h 50m
Multiple Airlines
Deal found 18/6£748
Thu 17/917:30
BHD
-
BKK
1 stop34h 00m
KLM
Thu 1/1011:25
BKK
-
BHD
2 stops27h 55m
KLM
Deal found 15/6£760
Tue 7/714:25
BHD
-
KUL
2 stops35h 00m
Multiple Airlines
Tue 21/709:50
KUL
-
BHD
2 stops35h 00m
Multiple Airlines
Deal found 18/6£780
Tue 3/1107:20
BHD
-
BKK
1 stop19h 45m
Multiple Airlines
Sun 29/1118:55
BKK
-
BHD
2 stops21h 40m
Multiple Airlines
Deal found 18/6£821
Mon 13/718:30
BHD
-
BKK
2 stops21h 30m
Multiple Airlines
Tue 28/702:55
BKK
-
BHD
2 stops22h 45m
Multiple Airlines
Deal found 18/6£831
Thu 19/1109:05
BHD
-
SIN
1 stop23h 00m
British Airways
Mon 23/1117:25
SIN
-
BHD
2 stops23h 40m
British Airways
Deal found 19/6£841
Wed 28/1009:40
BHD
-
DPS
2 stops42h 25m
KLM
Fri 15/121:55
DPS
-
BHD
2 stops26h 55m
KLM
Deal found 19/6£856
Tue 15/909:50
BHD
-
MNL
2 stops29h 00m
Multiple Airlines
Sun 27/922:55
MNL
-
BHD
2 stops41h 25m
Multiple Airlines
Deal found 18/6£863

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 June 2026.

Round-trip from

£684

One-way from

£337

Popular in

December

Cheapest in

September

Average price

£753
4/11-1/12
  • 4/11-1/12
  • 3 total stops
  • 64h 30m total
  • Belfast to Southeast Asia
Search Deals
8/7
  • 8/7
  • 3 total stops
  • 55h 45m total
  • Belfast to Southeast Asia
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£75 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 June 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 June 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

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Thu 17/9

17:30-09:30

1 stop34h 00m

Bangkok Suvarnabhumi

Thu 1/10

11:25-09:20

2 stops27h 55m

£760

BelfastKuala Lumpur

BHD - KUL

BHDKUL

Belfast City

Tue 7/7

14:25-08:25

2 stops35h 00m

Kuala Lumpur Intl

Tue 21/7

09:50-13:50

2 stops35h 00m

£780

BelfastSingapore

BHD - SIN

BHDSIN

Belfast City

Thu 19/11

09:05-16:05

1 stop23h 00m

Singapore Changi

Mon 23/11

17:25-09:05

2 stops23h 40m

£841

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Thu 19/11

07:00-06:40

2 stops40h 40m

Bangkok Suvarnabhumi

Mon 23/11

09:05-07:40

2 stops29h 35m

£851

BelfastDenpasar

BHD - DPS

BHDDPS

Belfast City

Wed 28/10

09:40-12:05

2 stops42h 25m

Denpasar Bali Ngurah Rai

Fri 15/1

21:55-16:50

2 stops26h 55m

£858

BelfastManila

BHD - MNL

BHDMNL

Belfast City

Tue 15/9

14:20-01:00

3 stops27h 40m

Manila Ninoy Aquino Intl

Sun 27/9

19:05-14:55

3 stops26h 50m

£868

BelfastManila

BHD - MNL

BHDMNL

Belfast City

Sun 20/9

16:50-01:20

3 stops25h 30m

Manila Ninoy Aquino Intl

Mon 5/10

06:55-09:50

3 stops33h 55m

£871

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Fri 6/11

18:20-06:40

2 stops29h 20m

Bangkok Suvarnabhumi

Tue 1/12

09:05-08:25

2 stops30h 20m

£888

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Mon 16/11

19:25-06:40

2 stops28h 15m

Bangkok Suvarnabhumi

Thu 19/11

09:05-07:30

2 stops29h 25m

£900

BelfastManila

BHD - MNL

BHDMNL

Belfast City

Fri 11/9

16:25-02:25

2 stops27h 00m

Manila Ninoy Aquino Intl

Sat 10/10

08:20-20:30

3 stops43h 10m

£903

Flights are sorted by cheapest return flights first.

Deals found on 16/6

Showing 1-10 of 44 resultsSorted by cheapest first
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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, June is the cheapest month in which you can book a flight from Belfast City Airport to Southeast Asia (average of £602). Flying from Belfast City Airport to Southeast Asia in July is currently the most expensive (average of £983). 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 81 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 June 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
1,530 reviews
Check prices

Boarding

7.8

Food

7.3

Entertainment

7.2

Comfort

7.7

Crew

8.4

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,530 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Boarding

7.8

Food

7.3

Entertainment

7.2

Comfort

7.7

Crew

8.4

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Qatar Airways
7.3
Good
3,727 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Boarding

7.8

Food

7.3

Entertainment

7.2

Comfort

7.7

Crew

8.4

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
8,056 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Boarding

7.8

Food

7.3

Entertainment

7.2

Comfort

7.7

Crew

8.4

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 Qatar Airways can get you from Belfast City Airport to Southeast Asia in just under 23h. Your travel time can differ by up to 17h 40m. Airlines will cover a distance of 6920 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, June is the cheapest month in which you can book a flight from Belfast City Airport to Southeast Asia (average of £602). Flying from Belfast City Airport to Southeast Asia in July is currently the most expensive (average of £983). 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 June 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£643Average£987FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£697Average£837FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Qatar AirwaysCheapest£850Average£1,138FlexibilityNo 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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