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Cheap flights from Belfast Intl Airport to Bangkok Suvarnabhumi Airport from £590

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — BKK
21 Aug — 28 Aug1
1 adult

Cheapflights Tip: The best prices from Belfast Intl 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 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 16 August 2025.

Round-trip from

£590

Popular in

December

Cheapest in

August

Average price

£591
2/9-24/9
  • 2/9-24/9
  • 6 total stops
  • 57h 45m 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).
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Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find flight deals from Belfast Intl to Suvarnabhumi

Cheapest flights from Belfast Intl to Suvarnabhumi
Explore the most affordable flight options available from Belfast Intl to Suvarnabhumi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 August 2025.

Tue 2/909:00BFS - BKK
3 stops31h 10mMultiple Airlines
Wed 24/918:55BKK - BFS
3 stops26h 35mMultiple Airlines
Deal found 14/8£590
Sun 2/1109:25BFS - BKK
2 stops25h 25mMultiple Airlines
Sat 13/1201:55BKK - BFS
2 stops22h 45mMultiple Airlines
Deal found 14/8£613
Tue 30/909:00BFS - BKK
3 stops26h 55mMultiple Airlines
Tue 7/1018:25BKK - BFS
3 stops34h 55mMultiple Airlines
Deal found 15/8£638

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 16 August 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

Tue 2/9

09:00-22:10

3 stops31h 10m

Bangkok Suvarnabhumi

Wed 24/9

18:55-15:30

3 stops26h 35m

£590

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Sun 2/11

09:25-17:50

2 stops25h 25m

Bangkok Suvarnabhumi

Sat 13/12

01:55-17:40

2 stops22h 45m

£613

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Thu 8/1

18:55-10:25

1 stop32h 30m

Bangkok Suvarnabhumi

Thu 29/1

12:25-10:10

1 stop28h 45m

£633

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Tue 30/9

09:00-17:55

3 stops26h 55m

Bangkok Suvarnabhumi

Tue 7/10

18:25-23:20

3 stops34h 55m

£638

Flights are sorted by cheapest return flights first.

Deals found on 14/8

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

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

Use this chart to determine the optimal time to book a return flight from Belfast Intl to Suvarnabhumi. Price data was last updated on 8 August 2025.

To ensure you get the cheapest price possible for a flight from Belfast Intl Airport to Bangkok Suvarnabhumi Airport, you should look to book at least 47 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.

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

Currently, May is the cheapest month in which you can book a flight from Belfast Intl Airport to Bangkok Suvarnabhumi Airport (average of £717). Flying from Belfast Intl Airport 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?

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 16 August 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 23% 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 16 August 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
7.8
Good
1,384 reviews
Check prices

Overall

7.8

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Crew

8.4

Food

7.3

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
1,384 reviews
KLM
7.8
Good
1,384 reviews
Check prices

Overall

7.8

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Crew

8.4

Food

7.3

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
7,267 reviews
KLM
7.8
Good
1,384 reviews
Check prices

Overall

7.8

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Crew

8.4

Food

7.3

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

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 £557, 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 £582. You may be able to fly from Belfast Intl Airport to Bangkok Suvarnabhumi Airport for 25% 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, May is the cheapest month in which you can book a flight from Belfast Intl Airport to Bangkok Suvarnabhumi Airport (average of £717). Flying from Belfast Intl Airport 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

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
Ko Samet
Chonburi
Ayutthaya
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 16 August 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£557Average£715FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£582Average£687FlexibilityNo 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?

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

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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?

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