What are the cheapest airlines flying from Belfast to Bangkok Suvarnabhumi Airport round-trip?

Our cheapest airline available from Belfast to Bangkok Suvarnabhumi Airport is KLM. Our recent data shows that you can find tickets from as low as £558 on this airline. Additional options worth looking into are British Airways and Qatar Airways, starting at £584 and £912 round-trip. KLM is currently priced 25% below the average price you’ll pay for this route.

What is the cheapest day to fly from Belfast to Bangkok Suvarnabhumi Airport?

Travellers seeking maximum savings on their Belfast to Bangkok Suvarnabhumi Airport flight should consider departing on Sunday mornings when fares are most often at their lowest. Monday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Bangkok Suvarnabhumi Airport ranges from 10.0 - 320.0 inches per month. September is typically the wettest month, when rainfall can reach 320.0 mm. January is typically the driest time to visit Bangkok Suvarnabhumi Airport when rainfall is around 10.0 mm.

If weather is an important factor for your trip to Bangkok Suvarnabhumi Airport, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

What is the cheapest day to fly round-trip from Belfast to Bangkok Suvarnabhumi Airport?

Monday is generally a great day to depart. Flying on this day could help you save up to 19%.

What is the cheapest month to fly from Belfast to Bangkok Suvarnabhumi Airport?

Flights from Belfast to Bangkok Suvarnabhumi Airport lean towards being more expensive in December. Prices are generally better when you fly from Belfast to Bangkok Suvarnabhumi Airport in August, with the cheapest ticket starting at £554.

Can I find deals for flights from Belfast to Suvarnabhumi that include hotel bookings?

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

How can I find direct flights from Belfast to Suvarnabhumi?

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

Can I find deals for business class flights from Belfast to Suvarnabhumi?

Yes. Cheapflights offers flight deals from Belfast to Suvarnabhumi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£295+ Flights from Belfast to Bangkok Suvarnabhumi Airport

Q: How far in advance should I book a flight from Belfast to Bangkok Suvarnabhumi Airport?

Find a great deal and save up to 2% by booking at least 48 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Belfast to Bangkok Suvarnabhumi Airport within the next two weeks, with the cheapest ticket starting at £563.

Cheapflights Tip: The best prices from Belfast to Bangkok Suvarnabhumi are usually found in August or September, booked 47 days in advance, depart on a Tuesday or Sunday and return on a Tuesday

Cheap flight deals from Belfast to Suvarnabhumi

Round-trip from	£508
One-way from	£295
Popular in	December
Cheapest in	August
Average price	£593

12/10-19/10
4 total stops
61h 00m total
Belfast to Bangkok

Search Deals

23/10
3 total stops
58h 20m total
Belfast to Bangkok

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£60 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Find flight deals from Belfast to Suvarnabhumi

Cheapest flights from Belfast to Suvarnabhumi
Explore the most affordable flight options available from Belfast to Suvarnabhumi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Sun 12/1017:30BFS - BKK

2 stops32h 20mMultiple Airlines

Sun 19/1023:40BKK - BFS

2 stops28h 40mMultiple Airlines

Deal found 28/8£508

Mon 13/1006:45BFS - BKK

3 stops28h 40mMultiple Airlines

Mon 20/1018:55BKK - BFS

3 stops32h 00mMultiple Airlines

Deal found 28/8£540

Fri 31/1006:00BFS - BKK

2 stops46h 10mMultiple Airlines

Sat 29/1103:15BKK - BFS

2 stops36h 55mMultiple Airlines

Deal found 27/8£563

Wed 24/907:05BHD - BKK

3 stops34h 54mMultiple Airlines

Wed 1/1014:35BKK - BHD

3 stops35h 00mMultiple Airlines

Deal found 27/8£570

Wed 19/1107:40BFS - BKK

3 stops40h 30mMultiple Airlines

Fri 12/1216:20BKK - BFS

2 stops29h 50mMultiple Airlines

Deal found 29/8£575

Wed 24/906:10BFS - BKK

3 stops35h 49mMultiple Airlines

Wed 1/1018:55BKK - BFS

3 stops26h 20mMultiple Airlines

Deal found 27/8£584

Fri 31/1007:20BHD - BKK

2 stops44h 50mMultiple Airlines

Sat 29/1103:15BKK - BHD

2 stops37h 10mMultiple Airlines

Deal found 27/8£585

Tue 2/917:25BHD - BKK

2 stops33h 50mKLM

Mon 22/911:35BKK - BHD

2 stops35h 20mKLM

Deal found 28/8£648

Thu 4/917:25BHD - BKK

2 stops33h 50mMultiple Airlines

Mon 22/911:35BKK - BHD

2 stops35h 20mMultiple Airlines

Deal found 28/8£649

Tue 2/917:25BHD - BKK

2 stops33h 50mKLM

Tue 23/912:05BKK - BHD

1 stop15h 10mKLM

Deal found 28/8£656

Thu 4/917:25BHD - BKK

2 stops33h 50mKLM

Tue 23/912:05BKK - BHD

1 stop15h 10mKLM

Deal found 28/8£657

Thu 4/917:25BHD - BKK

2 stops33h 50mKLM

Thu 11/912:05BKK - BHD

1 stop15h 10mKLM

Deal found 28/8£661

Best flights from Belfast to Suvarnabhumi
Discover carefully curated flight deals from Belfast to Suvarnabhumi that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 August 2025.

Sun 12/1017:30BFS - BKK

2 stops32h 20mMultiple Airlines

Sun 19/1023:40BKK - BFS

2 stops28h 40mMultiple Airlines

Deal found 28/8£508

Wed 24/917:25BHD - BKK

1 stop34h 05mKLM

Wed 1/1011:35BKK - BHD

2 stops35h 20mKLM

Deal found 27/8£670

Mon 29/1214:40BHD - BKK

2 stops21h 45mBritish Airways

Tue 13/102:00BKK - BHD

2 stops19h 50mBritish Airways

Deal found 27/8£678

Mon 13/1006:45BFS - BKK

3 stops28h 40mMultiple Airlines

Mon 20/1018:55BKK - BFS

3 stops32h 00mMultiple Airlines

Deal found 28/8£540

Fri 31/1006:00BFS - BKK

2 stops46h 10mMultiple Airlines

Sat 29/1103:15BKK - BFS

2 stops36h 55mMultiple Airlines

Deal found 27/8£563

Wed 31/1209:15BHD - BKK

2 stops26h 10mBritish Airways

Wed 14/118:55BKK - BHD

2 stops21h 15mBritish Airways

Deal found 27/8£678

Wed 19/1107:40BFS - BKK

3 stops43h 50mMultiple Airlines

Fri 12/1216:20BKK - BFS

3 stops37h 25mMultiple Airlines

Deal found 29/8£563

Tue 30/1211:25BHD - BKK

2 stops24h 00mBritish Airways

Wed 14/120:30BKK - BHD

2 stops19h 40mBritish Airways

Deal found 27/8£678

Wed 24/907:05BHD - BKK

3 stops34h 54mMultiple Airlines

Wed 1/1014:35BKK - BHD

3 stops35h 00mMultiple Airlines

Deal found 27/8£570

Wed 24/906:10BFS - BKK

3 stops35h 49mMultiple Airlines

Wed 1/1018:55BKK - BFS

3 stops26h 20mMultiple Airlines

Deal found 27/8£584

Fri 31/1007:20BHD - BKK

2 stops44h 50mMultiple Airlines

Sat 29/1103:15BKK - BHD

2 stops37h 10mMultiple Airlines

Deal found 27/8£585

Last-minute flights from Belfast to Suvarnabhumi
Discover last-minute flight deals from Belfast to Suvarnabhumi. Data last updated 29 August 2025 and is based on user searches.

Tue 2/917:25BHD - BKK

2 stops33h 50mKLM

Mon 22/911:35BKK - BHD

2 stops35h 20mKLM

Deal found 28/8£648

Tue 2/917:25BHD - BKK

2 stops33h 50mKLM

Tue 23/912:05BKK - BHD

1 stop15h 10mKLM

Deal found 28/8£656

Tue 2/917:25BHD - BKK

1 stop34h 05mMultiple Airlines

Sun 21/911:35BKK - BHD

2 stops35h 20mMultiple Airlines

Deal found 28/8£682

Wed 3/916:00BFS - BKK

2 stops31h 15mMultiple Airlines

Sun 21/900:05BKK - BFS

1 stop20h 50mMultiple Airlines

Deal found 28/8£810

Thu 4/917:25BHD - BKK

2 stops33h 50mMultiple Airlines

Sun 21/911:35BKK - BHD

2 stops35h 20mMultiple Airlines

Deal found 28/8£649

Thu 4/917:25BHD - BKK

2 stops33h 50mKLM

Mon 22/912:05BKK - BHD

1 stop34h 50mKLM

Deal found 28/8£657

Thu 4/917:25BHD - BKK

2 stops33h 50mKLM

Thu 11/912:05BKK - BHD

1 stop15h 10mKLM

Deal found 28/8£661

Wed 24/907:05BHD - BKK

3 stops34h 54mMultiple Airlines

Wed 1/1014:35BKK - BHD

3 stops35h 00mMultiple Airlines

Deal found 27/8£570

Wed 24/906:10BFS - BKK

3 stops35h 49mMultiple Airlines

Wed 1/1018:55BKK - BFS

3 stops26h 20mMultiple Airlines

Deal found 27/8£584

Wed 24/917:25BHD - BKK

1 stop34h 05mKLM

Wed 1/1012:05BKK - BHD

1 stop15h 10mKLM

Deal found 27/8£670

Sat 27/917:25BHD - BKK

1 stop34h 05mKLM

Sat 4/1012:05BKK - BHD

1 stop15h 10mKLM

Deal found 28/8£689

Sat 27/906:00BFS - BKK

2 stops25h 25mMultiple Airlines

Fri 3/1003:40BKK - BFS

2 stops22h 25mMultiple Airlines

Deal found 28/8£887

One-way flights from Belfast to Suvarnabhumi
Search for one-way flight options from Belfast to Suvarnabhumi. Find affordable one-way fares based on user searches. Data last updated 29 August 2025.

Thu 23/1008:10BFS - BKK

3 stops58h 20mMultiple Airlines

Deal found 28/8£295

Thu 23/1020:05BHD - BKK

3 stops35h 40mMultiple Airlines

Deal found 28/8£332

Fri 26/1206:30BFS - BKK

3 stops47h 25mMultiple Airlines

Deal found 28/8£398

Cheapflights Fare Finder

Use the filters below to find and compare flights from Belfast to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Sun 12/10

17:30-07:50

2 stops32h 20m

Bangkok Suvarnabhumi

Sun 19/10

23:40-22:20

2 stops28h 40m

£508

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Mon 13/10

06:45-17:25

3 stops28h 40m

Bangkok Suvarnabhumi

Mon 20/10

18:55-20:55

3 stops32h 00m

£540

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Fri 31/10

06:00-11:10

2 stops46h 10m

Bangkok Suvarnabhumi

Sat 29/11

03:15-09:10

2 stops36h 55m

£563

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Wed 19/11

07:40-10:30

3 stops43h 50m

Bangkok Suvarnabhumi

Fri 12/12

16:20-22:45

3 stops37h 25m

£563

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Wed 24/9

07:05-23:59

3 stops34h 54m

Bangkok Suvarnabhumi

Wed 1/10

14:35-19:35

3 stops35h 00m

£570

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Wed 24/9

06:10-23:59

3 stops35h 49m

Bangkok Suvarnabhumi

Wed 1/10

18:55-15:15

3 stops26h 20m

£584

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Fri 31/10

07:20-11:10

2 stops44h 50m

Bangkok Suvarnabhumi

Sat 29/11

03:15-09:25

2 stops37h 10m

£585

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Wed 24/9

17:25-09:30

1 stop34h 05m

Bangkok Suvarnabhumi

Wed 1/10

11:35-16:55

2 stops35h 20m

£670

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Mon 29/12

14:40-19:25

2 stops21h 45m

Bangkok Suvarnabhumi

Tue 13/1

02:00-14:50

2 stops19h 50m

£678

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Wed 31/12

09:15-18:25

2 stops26h 10m

Bangkok Suvarnabhumi

Wed 14/1

18:55-09:10

2 stops21h 15m

£678

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 14 results

Best time to book a flight from Belfast to Suvarnabhumi

Have a flexible travel schedule? Discover the best time to fly to Suvarnabhumi from Belfast 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 to Bangkok Suvarnabhumi Airport

How far ahead should I book a flight from Belfast to Bangkok Suvarnabhumi Airport?

Booking 47 days in advance of your planned departure date is, on average, the best time to get cheap flights from Belfast to Bangkok Suvarnabhumi Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Belfast to Bangkok Suvarnabhumi Airport?

Currently, May is the cheapest month in which you can book a flight from Belfast to Bangkok Suvarnabhumi Airport (average of £717). Flying from Belfast to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of £1,123). 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.

What is the cheapest time of day to fly from BFS to BKK?

Unlike at midday, when flights are generally more expensive, you can save up to 23% on flights from Belfast to Bangkok Suvarnabhumi Airport by exploring options for tickets in the afternoon.

Reviews of airlines servicing Suvarnabhumi

Check out reviews from past customers who have flown with KLM, Qatar Airways, andBritish Airways from Belfast to Bangkok Suvarnabhumi Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,383 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

KLM

7.8

Good

1,383 reviews

KLM

7.8

Good

1,383 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Qatar Airways

7.4

Good

3,611 reviews

KLM

7.8

Good

1,383 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

British Airways

6.7

Okay

7,320 reviews

KLM

7.8

Good

1,383 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

What are the cheapest airlines flying from Belfast to Bangkok Suvarnabhumi Airport round-trip?
Our cheapest airline available from Belfast to Bangkok Suvarnabhumi Airport is KLM. Our recent data shows that you can find tickets from as low as £558 on this airline. Additional options worth looking into are British Airways and Qatar Airways, starting at £584 and £912 round-trip. KLM is currently priced 25% below the average price you’ll pay for this route.
Can I find deals for flights from Belfast to Suvarnabhumi that include hotel bookings?
Yes. In addition to deals on Belfast to Suvarnabhumi flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast to Suvarnabhumi?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to Suvarnabhumi.
Can I find deals for business class flights from Belfast to Suvarnabhumi?
Yes. Cheapflights offers flight deals from Belfast to Suvarnabhumi 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 to Bangkok Suvarnabhumi Airport?
Currently, May is the cheapest month in which you can book a flight from Belfast to Bangkok Suvarnabhumi Airport (average of £717). Flying from Belfast to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of £1,123). 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

Cha-am

Chonburi

Ayutthaya

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Ko Lan

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Belfast to Suvarnabhumi

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest£558	Average£747	FlexibilityNo cancel fee	On-time75%	Search KLM flights
British Airways	Cheapest£584	Average£706	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Qatar Airways	Cheapest£912	Average£1,240	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Belfast to Suvarnabhumi?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Belfast to Suvarnabhumi. 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 to Suvarnabhumi?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Belfast to Suvarnabhumi for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Belfast to Suvarnabhumi with no change fees?

Need flexible booking options for your flight to Suvarnabhumi from Belfast? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Belfast to Suvarnabhumi become cheaper?

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

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Belfast to Bangkok Suvarnabhumi Airport from £295

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 23/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Belfast to Bangkok Suvarnabhumi are usually found in August or September, booked 47 days in advance, depart on a Tuesday or Sunday and return on a Tuesday

Cheap flight deals from Belfast to Suvarnabhumi

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Belfast to Suvarnabhumi

Cheapest flights from Belfast to SuvarnabhumiExplore the most affordable flight options available from Belfast to Suvarnabhumi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Explore the most affordable flight options available from Belfast to Suvarnabhumi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Belfast to Bangkok Suvarnabhumi Airport that are best for you.

Best time to book a flight from Belfast to Suvarnabhumi

Have a flexible travel schedule? Discover the best time to fly to Suvarnabhumi from Belfast with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Belfast to Bangkok Suvarnabhumi Airport

How far ahead should I book a flight from Belfast to Bangkok Suvarnabhumi Airport?

Use this chart to determine the optimal time to book a return flight from Belfast to Suvarnabhumi. Price data was last updated on 22 August 2025.

What is the cheapest month to book a flight from Belfast to Bangkok Suvarnabhumi Airport?

What is the cheapest time of day to fly from BFS to BKK?

Find hourly flight availability from Belfast to Suvarnabhumi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 August 2025.

Reviews of airlines servicing Suvarnabhumi

Related info for your journey

Find useful and relevant information for your journey from Belfast to Suvarnabhumi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Belfast to Bangkok Suvarnabhumi Airport round-trip?

Can I find deals for flights from Belfast to Suvarnabhumi that include hotel bookings?

How can I find direct flights from Belfast to Suvarnabhumi?

Can I find deals for business class flights from Belfast to Suvarnabhumi?

What is the cheapest month to book a flight from Belfast to Bangkok Suvarnabhumi Airport?

Travelling to a place near Bangkok Suvarnabhumi Airport?

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.

Alternative routes for Belfast to Suvarnabhumi

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Belfast to Suvarnabhumi

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 to Suvarnabhumi?

Why should you use Cheapflights to find cheap flight tickets from Belfast to Suvarnabhumi?

Can Cheapflights find flights from Belfast to Suvarnabhumi with no change fees?

Can Cheapflights notify me if prices for flights from Belfast to Suvarnabhumi become cheaper?

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Cheapest flights from Belfast to Suvarnabhumi
Explore the most affordable flight options available from Belfast to Suvarnabhumi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.