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Cheap flights from Belfast to Bangkok from £255

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — BKK
3 Jan — 10 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to Bangkok

Enter your travel dates to find the best prices.

Cheapest flights from Belfast to Bangkok
Explore the most affordable flight options available from Belfast to Bangkok. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 December 2025.

Sun 14/1205:45BFS - BKK
3 stops35h 25mMultiple Airlines
Sun 21/1222:05BKK - BFS
2 stops27h 50mMultiple Airlines
Deal found 3/12£633
Fri 12/1214:20BFS - BKK
2 stops22h 30mMultiple Airlines
Fri 19/1222:05BKK - BFS
2 stops30h 55mMultiple Airlines
Deal found 3/12£766
Mon 15/1208:40BFS - BKK
2 stops26h 05mMultiple Airlines
Mon 22/1216:15BKK - BFS
2 stops23h 40mMultiple Airlines
Deal found 3/12£800
Sat 13/1209:15BFS - BKK
3 stops25h 45mMultiple Airlines
Fri 19/1203:10BKK - BFS
3 stops39h 50mMultiple Airlines
Deal found 3/12£896
Mon 15/1206:30BHD - BKK
3 stops28h 30mMultiple Airlines
Mon 22/1215:30BKK - BHD
2 stops32h 50mMultiple Airlines
Deal found 3/12£919
Fri 12/1217:20BHD - BKK
2 stops32h 55mKLM
Fri 19/1212:15BKK - BHD
1 stop35h 35mKLM
Deal found 3/12£954
Sat 13/1206:30BHD - BKK
3 stops28h 30mMultiple Airlines
Sat 20/1215:05BKK - BHD
3 stops30h 20mMultiple Airlines
Deal found 3/12£968
Sun 14/1206:30BHD - BKK
3 stops28h 30mMultiple Airlines
Sun 21/1222:05BKK - BHD
2 stops26h 15mMultiple Airlines
Deal found 3/12£973
Fri 12/1217:20BHD - BKK
3 stops33h 00mMultiple Airlines
Fri 19/1222:05BKK - BHD
2 stops29h 45mMultiple Airlines
Deal found 3/12£1,053

Find flight deals from Belfast to Bangkok

Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) to Bangkok (TH1). 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 4 December 2025.

Round-trip from

£424

One-way from

£255

Popular in

December

Cheapest in

May

Average price

£1,039
12/1-26/1
  • 12/1-26/1
  • 4 total stops
  • 62h 00m total
  • Belfast to Bangkok
Search Deals
15/1
  • 15/1
  • 3 total stops
  • 53h 15m 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 December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast to Bangkok 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 4 December 2025.
Use the filters below to find and compare flights from Belfast to Bangkok that are best for you.

Fly from

Belfast

Fly to

Bangkok

Route

Depart

Return

Price

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Mon 12/1

06:30-12:20

2 stops22h 50m

Bangkok Suvarnabhumi

Mon 26/1

01:55-10:05

2 stops39h 10m

£424

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Tue 20/1

08:35-18:25

2 stops26h 50m

Bangkok Suvarnabhumi

Thu 29/1

01:55-22:20

2 stops27h 25m

£444

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Tue 20/1

07:20-18:25

2 stops28h 05m

Bangkok Suvarnabhumi

Thu 29/1

01:55-19:35

2 stops24h 40m

£475

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Sun 8/3

05:45-08:15

3 stops43h 30m

Bangkok Suvarnabhumi

Sun 22/3

18:25-18:55

3 stops31h 30m

£492

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Sun 8/3

17:35-22:30

2 stops21h 55m

Bangkok Suvarnabhumi

Sun 22/3

19:55-07:40

2 stops42h 45m

£505

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Sun 14/12

05:45-00:10

3 stops35h 25m

Bangkok Suvarnabhumi

Sun 21/12

22:05-18:55

2 stops27h 50m

£633

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Tue 3/3

17:20-10:05

1 stop33h 45m

Bangkok Suvarnabhumi

Tue 30/6

12:05-09:20

1 stop27h 15m

£678

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Sat 17/1

10:35-04:05

2 stops34h 30m

Bangkok Suvarnabhumi

Sat 24/1

19:55-17:40

2 stops28h 45m

£702

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Tue 3/3

07:20-00:05

3 stops33h 45m

Bangkok Suvarnabhumi

Tue 30/6

11:20-13:40

2 stops32h 20m

£718

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Wed 11/3

11:25-19:25

2 stops25h 00m

Bangkok Suvarnabhumi

Sun 15/3

18:40-08:25

2 stops20h 45m

£807

Flights are sorted by cheapest return flights first.

Deals found on 2/12

Showing 1-10 of 16 results
1
2

Best time to book a flight from Belfast to Bangkok

Have a flexible travel schedule? Discover the best time to fly to Bangkok 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

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

Currently, August is the cheapest month in which you can book a flight from Belfast to Bangkok (average of £564). Flying from Belfast to Bangkok in July is currently the most expensive (average of £731). 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 to Bangkok. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 December 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 8% on flights from Belfast to Bangkok by exploring options for tickets in the morning.

Reviews of airlines servicing Bangkok

Get insights into the airlines that provide service to Bangkok. 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 Bangkok. Reviews last updated 4 December 2025.
Get a feel of what it's like to fly with KLM and British Airways from Belfast to Bangkok by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,428 reviews
Check prices

Food

7.2

Crew

8.4

Overall

7.7

Entertainment

7.1

Comfort

7.6

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
1,428 reviews
KLM
7.7
Good
1,428 reviews
Check prices

Food

7.2

Crew

8.4

Overall

7.7

Entertainment

7.1

Comfort

7.6

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
7,559 reviews
KLM
7.7
Good
1,428 reviews
Check prices

Food

7.2

Crew

8.4

Overall

7.7

Entertainment

7.1

Comfort

7.6

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 to Bangkok. 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 to Bangkok?

    A quick flight from Belfast to Bangkok can take about 33h 45m. KLM provides one of the quickest options available for as low as £678. Airlines will cover a distance of 6087 mi.

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

    KLM, at £568, was found to be the cheapest airline from Belfast to Bangkok. An alternate airline flying to your destination would be British Airways. KLM is 26% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

  • How can I find direct flights from Belfast to Bangkok?

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

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

    Yes. Cheapflights offers flight deals from Belfast to Bangkok 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?

    Currently, August is the cheapest month in which you can book a flight from Belfast to Bangkok (average of £564). Flying from Belfast to Bangkok in July is currently the most expensive (average of £731). 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.

Alternative routes for Belfast to Bangkok

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

Top 2 airlines flying from Belfast to Bangkok

Discover the top 2 airlines that operate flights from Belfast to Bangkok. 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 4 December 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£568Average£760FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£608Average£761FlexibilityNo cancel feeOn-time70%
Search British 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 to Bangkok?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Bangkok from Belfast today with Cheapflights!

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Bangkok from Belfast.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Belfast to Bangkok, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on Belfast to Bangkok flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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