How long is the flight from Belfast to Bangkok?

A quick flight from Belfast to Bangkok can take about 21h 15m. KLM provides one of the quickest options available for as low as £744. Airlines will cover a distance of 6087 mi. This flight may include one or multiple stops.

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

British Airways, at £649, was found to be the cheapest airline from Belfast to Bangkok. An alternate airline flying to your destination would be KLM. British Airways is 25% cheaper than the average price of flights available within the next 90 days to this destination.

In terms of precipitation, rainfall in Bangkok 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 when rainfall is around 10.0 mm.

If weather is an important factor for your trip to Bangkok, 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 time of day to fly from BFS to BKK?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Belfast to Bangkok as you normally would.

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.

£323+ Cheap Flights from Belfast to Bangkok

Cheap flight deals from Belfast to Bangkok

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 30 August 2026.

Wed 23/907:00 -

2 stops35h 10m

Wed 30/914:50 -

2 stops35h 05m

Deal found 26/8£469

Wed 23/906:10 -

2 stops25h 25m

Wed 30/919:35 -

2 stops20h 20m

Deal found 26/8£487

Mon 19/1008:40 -

3 stops26h 45m

Sun 8/1114:55 -

2 stops33h 10m

Deal found 26/8£491

Thu 1/1006:10 -

2 stops30h 10m

Sat 10/1014:50 -

2 stops33h 45m

Deal found 30/8£493

Mon 19/1007:00 -

2 stops23h 30m

Sat 7/1101:55 -

2 stops38h 35m

Deal found 26/8£544

Wed 21/1009:55 -

3 stops25h 30m

Sat 31/1014:40 -

3 stops29h 55m

Deal found 27/8£550

Sat 26/910:45 -

2 stops24h 40m

Tue 20/1015:55 -

2 stops30h 05m

Deal found 26/8£659

Tue 1/917:30 -

2 stops33h 45m

Tue 29/912:05 -

1 stop27h 15m

Deal found 27/8£691

Fri 4/1207:00 -

3 stops27h 05m

Thu 14/118:20 -

3 stops31h 40m

Deal found 30/8£695

Sat 26/917:30 -

2 stops33h 45m

Tue 20/1012:05 -

1 stop27h 15m

Deal found 26/8£714

Sat 7/1110:00 -

2 stops24h 05m

Mon 30/1106:05 -

3 stops22h 00m

Deal found 30/8£746

Best flights from Belfast to Bangkok
Discover carefully curated flight deals from Belfast to Bangkok that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 August 2026.

Wed 23/907:00 -

2 stops35h 10m

Wed 30/914:50 -

2 stops35h 05m

Deal found 26/8£469

Sat 26/917:30 -

1 stop34h 00m

Tue 20/1012:05 -

1 stop27h 15m

Deal found 26/8£723

Mon 15/209:25 -

2 stops20h 40m

Sun 28/218:55 -

2 stops22h 50m

Deal found 29/8£744

Wed 23/906:10 -

2 stops25h 25m

Wed 30/919:35 -

2 stops20h 20m

Deal found 26/8£487

Mon 19/1006:10 -

2 stops24h 20m

Sat 7/1101:55 -

2 stops39h 15m

Deal found 26/8£544

Wed 21/1009:55 -

3 stops25h 30m

Sat 31/1014:40 -

3 stops29h 55m

Deal found 27/8£550

Wed 23/917:30 -

2 stops57h 45m

Wed 30/912:05 -

1 stop27h 15m

Deal found 26/8£770

Sun 14/209:20 -

2 stops20h 45m

Sun 28/218:55 -

2 stops22h 50m

Deal found 29/8£770

Sat 13/209:20 -

2 stops20h 45m

Sat 27/218:55 -

2 stops23h 15m

Deal found 29/8£810

Sat 26/911:05 -

3 stops24h 20m

Tue 20/1015:55 -

2 stops30h 05m

Deal found 26/8£685

Mon 15/209:40 -

1 stop17h 25m

Mon 1/312:05 -

1 stop28h 05m

Deal found 29/8£935

Sun 14/207:15 -

1 stop16h 35m

Sun 28/208:05 -

2 stops21h 00m

Deal found 29/8£739

Fri 4/1207:00 -

3 stops27h 05m

Thu 14/114:50 -

1 stop26h 20m

Deal found 30/8£754

Sat 6/214:25 -

2 stops38h 20m

Sun 14/214:40 -

2 stops37h 25m

Deal found 27/8£766

Thu 1/1018:25 -

1 stop30h 10m

Sat 10/1004:40 -

2 stops34h 45m

Deal found 30/8£767

Tue 16/208:30 -

1 stop15h 50m

Sun 28/208:05 -

2 stops21h 00m

Deal found 29/8£769

Sat 7/1110:00 -

3 stops28h 05m

Mon 30/1114:05 -

3 stops26h 40m

Deal found 30/8£773

Find flight deals from Belfast to Bangkok

Round-trip from	£469
One-way from	£323
Popular in	December
Cheapest in	September
Average price	£677

23/9-30/9
4 total stops
70h 15m total
Belfast to Bangkok

Search Deals

17/1
2 total stops
27h 35m total
Belfast to Bangkok

Search Deals

Highest demand for flights based on searches. 29% potential increase in price (£270 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 13% potential price decrease (£75 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastBangkok

BHD Belfast City - BKK Bangkok Suvarnabhumi

BHDBKK

Belfast City

Wed 23/9

07:00-00:10

2 stops35h 10m

Bangkok Suvarnabhumi

Wed 30/9

14:50-19:55

2 stops35h 05m

£469

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Wed 23/9

06:10-13:35

2 stops25h 25m

Bangkok Suvarnabhumi

Wed 30/9

19:35-09:55

2 stops20h 20m

£487

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Mon 19/10

06:10-12:30

2 stops24h 20m

Bangkok Suvarnabhumi

Sat 7/11

01:55-10:10

2 stops39h 15m

£544

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Wed 21/10

09:55-17:25

3 stops25h 30m

Bangkok Suvarnabhumi

Sat 31/10

14:40-13:35

3 stops29h 55m

£550

BelfastBangkok

BHD Belfast City - BKK Bangkok Suvarnabhumi

BHDBKK

Belfast City

Sat 26/9

11:05-17:25

3 stops24h 20m

Bangkok Suvarnabhumi

Tue 20/10

15:55-16:00

2 stops30h 05m

£685

BelfastBangkok

BHD Belfast City - BKK Bangkok Suvarnabhumi

BHDBKK

Belfast City

Sat 26/9

17:30-09:30

1 stop34h 00m

Bangkok Suvarnabhumi

Tue 20/10

12:05-09:20

1 stop27h 15m

£723

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Sun 14/2

07:15-06:50

1 stop16h 35m

Bangkok Suvarnabhumi

Sun 28/2

08:05-22:05

2 stops21h 00m

£739

BelfastBangkok

BHD Belfast City - BKK Bangkok Suvarnabhumi

BHDBKK

Belfast City

Mon 15/2

09:25-13:05

2 stops20h 40m

Bangkok Suvarnabhumi

Sun 28/2

18:55-10:45

2 stops22h 50m

£744

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Fri 4/12

07:00-17:05

3 stops27h 05m

Bangkok Suvarnabhumi

Thu 14/1

14:50-10:10

1 stop26h 20m

£754

BelfastBangkok

BHD Belfast City - BKK Bangkok Suvarnabhumi

BHDBKK

Belfast City

Sat 6/2

14:25-11:45

2 stops38h 20m

Bangkok Suvarnabhumi

Sun 14/2

14:40-21:05

2 stops37h 25m

£766

Flights are sorted by cheapest return flights first.

Deals found on 29/8

Showing 1-10 of 18 resultsSorted by cheapest first

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.

BF1-TH1

BHD-BKK

BFS-BKK

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

BF1-TH1

BHD-BKK

BFS-BKK

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

Currently, May is the cheapest month in which you can book a flight from Belfast to Bangkok (average of £672). Flying from Belfast to Bangkok in December is currently the most expensive (average of £1,132). 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.

How much does it cost for a return flight from Belfast to Bangkok?

Airfare is below average for this route at the moment.

Belfast to Bangkok flights typically cost between £651 and £685 in September.
The cheapest return price found within the last 5 days was £469 on Multiple Airlines (23 Sept–30 Sept).

Reviews of airlines servicing Bangkok

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

7.8

Good

1,567 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

KLM

7.8

Good

1,567 reviews

KLM

7.8

Good

1,567 reviews

Check prices

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

8,195 reviews

KLM

7.8

Good

1,567 reviews

Check prices

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

How long is the flight from Belfast to Bangkok?
A quick flight from Belfast to Bangkok can take about 21h 15m. KLM provides one of the quickest options available for as low as £744. Airlines will cover a distance of 6087 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Belfast to Bangkok round-trip?
British Airways, at £649, was found to be the cheapest airline from Belfast to Bangkok. An alternate airline flying to your destination would be KLM. British Airways is 25% 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, May is the cheapest month in which you can book a flight from Belfast to Bangkok (average of £672). Flying from Belfast to Bangkok in December is currently the most expensive (average of £1,132). 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

Alternative routes

Complete your trip

Direct flights to Thailand

Flights by cabin class

Other flight options

Popular flights

Alternative routes for Belfast to Bangkok

Belfast Intl to Suvarnabhumi flights

Belfast City to Suvarnabhumi flights

Belfast Intl to Phuket City flights

Belfast Intl to Chiang Mai flights

Belfast City to Chiang Mai flights

Top 2 airlines flying from Belfast to Bangkok

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£649	Average£788	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
KLM	Cheapest£650	Average£865	FlexibilityNo cancel fee	On-time75%	Search KLM flights

Fly with Cheapflights

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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Cheap flights from Belfast to Bangkok from £323

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 17/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast to Bangkok

Cheapest flights from Belfast to BangkokExplore 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 30 August 2026.

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 30 August 2026.

Best flights from Belfast to BangkokDiscover carefully curated flight deals from Belfast to Bangkok that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 August 2026.

Discover carefully curated flight deals from Belfast to Bangkok that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 August 2026.

Last-minute flights from Belfast to BangkokDiscover last-minute flight deals from Belfast to Bangkok. Data last updated 30 August 2026 and is based on user searches.

Discover last-minute flight deals from Belfast to Bangkok. Data last updated 30 August 2026 and is based on user searches.

One-way flights from Belfast to BangkokSearch for one-way flight options from Belfast to Bangkok. Find affordable one-way fares based on user searches. Data last updated 30 August 2026.

Search for one-way flight options from Belfast to Bangkok. Find affordable one-way fares based on user searches. Data last updated 30 August 2026.

Find flight deals from Belfast to Bangkok

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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.

Cheapflights Insights

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

How much does it cost for a return flight from Belfast to Bangkok?

Airfare is below average for this route at the moment.

Belfast to Bangkok flights typically cost between £651 and £685 in September.The cheapest return price found within the last 5 days was £469 on Multiple Airlines (23 Sept–30 Sept).

Reviews of airlines servicing Bangkok

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.

Related info for your journey

How long is the flight from Belfast to Bangkok?

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

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

How can I find direct flights from Belfast to Bangkok?

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

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

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.

Complete your trip

Complete your trip to Bangkok by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Thailand

Book a non-stop flight to one of these other cities located in Thailand.

Search flights from Belfast to Bangkok by cabin class

Find flights from Belfast to Bangkok, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Belfast and Bangkok flights

Browse other Belfast and Bangkok flight options. Last updated on 30 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 2 airlines flying from Belfast to Bangkok

Fly with Cheapflights

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

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

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

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

100% Free

Book with Flexibility

Travel Smart

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 30 August 2026.

Best flights from Belfast to Bangkok
Discover carefully curated flight deals from Belfast to Bangkok that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 August 2026.

Last-minute flights from Belfast to Bangkok
Discover last-minute flight deals from Belfast to Bangkok. Data last updated 30 August 2026 and is based on user searches.

One-way flights from Belfast to Bangkok
Search for one-way flight options from Belfast to Bangkok. Find affordable one-way fares based on user searches. Data last updated 30 August 2026.

Belfast to Bangkok flights typically cost between £651 and £685 in September.
The cheapest return price found within the last 5 days was £469 on Multiple Airlines (23 Sept–30 Sept).