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Cheap flights from Belfast City Airport to Southeast Asia from £285

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 28/2. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — BKK
17 Mar — 24 Mar1
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 15 February 2026.

Fri 13/307:20
BHD
-
BKK
2 stops35h 10m
Multiple Airlines
Thu 19/301:30
BKK
-
BHD
2 stops38h 50m
Multiple Airlines
Deal found 13/2£472
Sun 10/520:20
BHD
-
SIN
2 stops60h 15m
Multiple Airlines
Sun 7/600:55
SIN
-
BHD
2 stops39h 55m
Multiple Airlines
Deal found 12/2£526
Mon 4/506:30
BHD
-
BKK
2 stops23h 10m
Multiple Airlines
Tue 16/608:20
BKK
-
BHD
2 stops30h 40m
Multiple Airlines
Deal found 13/2£571
Sat 5/907:00
BHD
-
BKK
2 stops23h 35m
Multiple Airlines
Sat 26/922:35
BKK
-
BHD
2 stops27h 55m
Multiple Airlines
Deal found 15/2£575
Mon 11/518:30
BHD
-
BKK
2 stops35h 10m
Multiple Airlines
Mon 25/519:55
BKK
-
BHD
2 stops43h 05m
Multiple Airlines
Deal found 11/2£580
Sun 3/511:00
BHD
-
BKK
2 stops29h 00m
Multiple Airlines
Mon 15/619:00
BKK
-
BHD
2 stops44h 00m
Multiple Airlines
Deal found 13/2£582
Sun 3/509:50
BHD
-
BKK
1 stop17h 40m
KLM
Mon 15/612:05
BKK
-
BHD
1 stop34h 50m
KLM
Deal found 13/2£594
Sun 3/516:40
BHD
-
BKK
2 stops26h 50m
Multiple Airlines
Sun 14/619:00
BKK
-
BHD
2 stops29h 45m
Multiple Airlines
Deal found 13/2£597
Mon 16/310:15
BHD
-
BKK
2 stops29h 10m
Multiple Airlines
Sun 22/301:55
BKK
-
BHD
2 stops25h 35m
Multiple Airlines
Deal found 14/2£599
Tue 29/909:50
BHD
-
BKK
2 stops25h 55m
Multiple Airlines
Wed 28/1012:05
BKK
-
BHD
1 stop32h 30m
Multiple Airlines
Deal found 13/2£600
Wed 30/907:00
BHD
-
BKK
2 stops28h 25m
Multiple Airlines
Wed 28/1012:05
BKK
-
BHD
1 stop32h 30m
Multiple Airlines
Deal found 13/2£607
Mon 4/506:30
BHD
-
MNL
2 stops45h 05m
Multiple Airlines
Sun 24/517:45
MNL
-
BHD
2 stops26h 55m
Multiple Airlines
Deal found 15/2£623

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 15 February 2026.

Round-trip from

£472

One-way from

£285

Popular in

December

Cheapest in

May

Average price

£838
13/3-19/3
  • 13/3-19/3
  • 4 total stops
  • 74h 00m total
  • Belfast to Southeast Asia
Search Deals
28/2
  • 28/2
  • 3 total stops
  • 52h 00m total
  • Belfast to Southeast Asia
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£36 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 15 February 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

BelfastSingapore

BHD - SIN

BHDSIN

Belfast City

Sun 10/5

20:20-15:35

2 stops60h 15m

Singapore Changi

Sun 7/6

00:55-09:50

2 stops39h 55m

£526

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Sun 3/5

09:50-09:30

1 stop17h 40m

Bangkok Suvarnabhumi

Tue 16/6

12:05-16:55

1 stop34h 50m

£594

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Mon 4/5

17:30-09:30

1 stop34h 00m

Bangkok Suvarnabhumi

Tue 16/6

12:05-16:55

1 stop34h 50m

£594

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Tue 5/5

17:30-09:30

1 stop34h 00m

Bangkok Suvarnabhumi

Sun 14/6

12:05-16:55

1 stop34h 50m

£594

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Sun 3/5

16:40-01:30

2 stops26h 50m

Bangkok Suvarnabhumi

Sun 14/6

19:00-18:45

2 stops29h 45m

£597

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Sat 6/6

17:30-09:30

1 stop34h 00m

Bangkok Suvarnabhumi

Sat 27/6

11:25-09:20

2 stops27h 55m

£619

BelfastManila

BHD - MNL

BHDMNL

Belfast City

Mon 4/5

06:30-10:35

2 stops45h 05m

Manila Ninoy Aquino Intl

Sun 24/5

17:45-13:40

2 stops26h 55m

£623

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Sun 3/5

09:50-09:15

2 stops17h 25m

Bangkok Suvarnabhumi

Mon 15/6

11:25-16:55

2 stops35h 30m

£642

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Tue 5/5

17:30-09:15

2 stops33h 45m

Bangkok Suvarnabhumi

Mon 15/6

11:25-09:20

2 stops27h 55m

£642

BelfastManila

BHD - MNL

BHDMNL

Belfast City

Sat 14/3

18:00-10:50

2 stops32h 50m

Manila Ninoy Aquino Intl

Sat 21/3

12:00-18:40

2 stops62h 40m

£670

Flights are sorted by cheapest return flights first.

Deals found on 13/2

Showing 1-10 of 38 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, September is the cheapest month in which you can book a flight from Belfast City Airport to Southeast Asia (average of £574). Flying from Belfast City Airport to Southeast Asia in December is currently the most expensive (average of £771). 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 15 February 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
1,454 reviews
Check prices

Comfort

7.6

Overall

7.7

Food

7.3

Crew

8.4

Entertainment

7.1

Boarding

7.8

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
1,454 reviews
KLM
7.7
Good
1,454 reviews
Check prices

Comfort

7.6

Overall

7.7

Food

7.3

Crew

8.4

Entertainment

7.1

Boarding

7.8

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
3,736 reviews
KLM
7.7
Good
1,454 reviews
Check prices

Comfort

7.6

Overall

7.7

Food

7.3

Crew

8.4

Entertainment

7.1

Boarding

7.8

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
293 reviews
KLM
7.7
Good
1,454 reviews
Check prices

Comfort

7.6

Overall

7.7

Food

7.3

Crew

8.4

Entertainment

7.1

Boarding

7.8

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
7,741 reviews
KLM
7.7
Good
1,454 reviews
Check prices

Comfort

7.6

Overall

7.7

Food

7.3

Crew

8.4

Entertainment

7.1

Boarding

7.8

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?

    KLM, China Southern, and British Airways can get you from Belfast City Airport to Southeast Asia in just under 17h 40m. Your travel time can differ by up to 15h 10m. 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 - Bangkok Suvarnabhumi, Belfast City - Manila Ninoy Aquino Intl 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 £574). Flying from Belfast City Airport to Southeast Asia in December is currently the most expensive (average of £771). 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 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 15 February 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£590Average£815FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£641Average£791FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Malaysia AirlinesCheapest£677Average£769FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Qatar AirwaysCheapest£806Average£1,147FlexibilityNo 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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