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Cheap flights from Belfast Intl Airport to Bangkok Suvarnabhumi Airport from £354

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 13/12. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — BKK
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Belfast Intl to Suvarnabhumi

Enter your travel dates to find the best prices.

Best flights from Belfast Intl to Suvarnabhumi
Discover carefully curated flight deals from Belfast Intl to Suvarnabhumi that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 November 2025.

Mon 16/215:00BFS - BKK
3 stops47h 05mMultiple Airlines
Tue 17/318:25BKK - BFS
3 stops26h 00mMultiple Airlines
Deal found 25/11£553
Thu 9/406:10BFS - BKK
2 stops22h 00mMultiple Airlines
Fri 1/515:05BKK - BFS
3 stops38h 15mMultiple Airlines
Deal found 26/11£567
Fri 10/410:55BFS - BKK
3 stops35h 30mMultiple Airlines
Fri 1/517:10BKK - BFS
2 stops33h 50mMultiple Airlines
Deal found 26/11£609
Tue 17/216:30BFS - BKK
2 stops25h 50mMultiple Airlines
Sat 14/312:25BKK - BFS
1 stop27h 30mMultiple Airlines
Deal found 25/11£645
Mon 16/208:30BFS - BKK
2 stops23h 00mMultiple Airlines
Sat 14/312:25BKK - BFS
1 stop27h 30mMultiple Airlines
Deal found 25/11£661
Sat 14/208:10BFS - BKK
2 stops21h 55mMultiple Airlines
Thu 19/312:25BKK - BFS
1 stop16h 55mMultiple Airlines
Deal found 25/11£670

Cheap flight deals from Belfast Intl to Suvarnabhumi

Discover tips and strategies to find the most affordable flight options for your journey from Belfast Intl (BFS) to Suvarnabhumi (BKK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 27 November 2025.

Round-trip from

£553

One-way from

£354

Popular in

December

Cheapest in

May

Average price

£725
16/2-17/3
  • 16/2-17/3
  • 6 total stops
  • 73h 05m total
  • Belfast to Bangkok
Search Deals
13/12
  • 13/12
  • 3 total stops
  • 49h 50m total
  • Belfast to Bangkok
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£48 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast Intl to Suvarnabhumi 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 27 November 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Belfast Intl

Fly to

Suvarnabhumi

Route

Depart

Return

Price

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Mon 16/2

15:00-21:05

3 stops47h 05m

Bangkok Suvarnabhumi

Tue 17/3

18:25-13:25

3 stops26h 00m

£553

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Thu 9/4

06:10-10:10

2 stops22h 00m

Bangkok Suvarnabhumi

Fri 1/5

15:05-23:20

3 stops38h 15m

£567

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Fri 10/4

10:55-04:25

3 stops35h 30m

Bangkok Suvarnabhumi

Fri 1/5

17:10-21:00

2 stops33h 50m

£609

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Tue 17/2

16:30-01:20

2 stops25h 50m

Bangkok Suvarnabhumi

Sat 14/3

12:25-08:55

1 stop27h 30m

£645

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Mon 16/2

08:30-14:30

2 stops23h 00m

Bangkok Suvarnabhumi

Sat 14/3

12:25-08:55

1 stop27h 30m

£661

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Sat 14/2

08:10-13:05

2 stops21h 55m

Bangkok Suvarnabhumi

Thu 19/3

12:25-22:20

1 stop16h 55m

£670

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Sat 13/12

08:30-17:20

3 stops49h 50m

£354

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Mon 15/12

15:00-07:30

3 stops57h 30m

£383

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Sun 14/12

08:15-17:20

3 stops50h 05m

£401

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Fri 12/12

17:30-09:20

2 stops32h 50m

£570

Flights are sorted by cheapest return flights first.

Deals found on 26/11

Best time to book a flight from Belfast Intl to Suvarnabhumi

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

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

Currently, August is the cheapest month in which you can book a flight from Belfast Intl Airport to Bangkok Suvarnabhumi Airport (average of £567). Flying from Belfast Intl Airport to Bangkok Suvarnabhumi Airport in July is currently the most expensive (average of £754). 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?

Find hourly flight availability from Belfast Intl 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 27 November 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 22% on flights from Belfast Intl Airport to Bangkok Suvarnabhumi Airport by exploring options for tickets in the afternoon.

Reviews of airlines servicing Suvarnabhumi

Get insights into the airlines that provide service to Suvarnabhumi. 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 Suvarnabhumi. Reviews last updated 27 November 2025.
Read reviews from past customers who have flown with KLM and British Airways from Belfast Intl Airport to Bangkok Suvarnabhumi Airport. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,423 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.2

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,423 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.2

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,539 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.2

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Belfast Intl 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 Intl Airport to Bangkok Suvarnabhumi Airport round-trip?

    Currently priced at £572, KLM will fly you from Belfast Intl Airport to Bangkok Suvarnabhumi Airport and back. In addition to KLM, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on British Airways for as low as £636. You may be able to fly from Belfast Intl Airport to Bangkok Suvarnabhumi Airport for 26% less than the average price by searching for these airlines.

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

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

  • How can I find direct flights from Belfast Intl to Suvarnabhumi?

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

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

    Yes. Cheapflights offers flight deals from Belfast Intl 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 Intl Airport to Bangkok Suvarnabhumi Airport?

    Currently, August is the cheapest month in which you can book a flight from Belfast Intl Airport to Bangkok Suvarnabhumi Airport (average of £567). Flying from Belfast Intl Airport to Bangkok Suvarnabhumi Airport in July is currently the most expensive (average of £754). 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

Travelling to a place near Bangkok Suvarnabhumi Airport?

Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locations
Cha-am
Pak Chong
Chonburi
Ayutthaya
Ko Samet
Sattahip
Ko Lan

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Belfast Intl to Suvarnabhumi

See prices for flight routes from nearby airports that may be better suited for you.
Belfast City to Suvarnabhumi flights

Top 2 airlines flying from Belfast Intl to Suvarnabhumi

Discover the top 2 airlines that operate flights from Belfast Intl to Suvarnabhumi. 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 27 November 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£572Average£725FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£636Average£739FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

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

Cheapflights helps you find that perfect flight to Suvarnabhumi from Belfast Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to Suvarnabhumi from Belfast Intl? 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 Intl to Suvarnabhumi become cheaper?

Of course! You can now track prices for flights from Belfast Intl to Suvarnabhumi and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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