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Cheap flights from Belfast to Bangkok from £450

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 28/6. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — BKK
2 Jul — 9 Jul1
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 2 June 2026.

Mon 14/908:45
BHD
-
BKK
2 stops21h 50m
Multiple Airlines
Thu 1/1022:35
BKK
-
BHD
2 stops26h 05m
Multiple Airlines
Deal found 28/5£556
Mon 14/908:15
BFS
-
BKK
2 stops22h 20m
Multiple Airlines
Tue 29/922:35
BKK
-
BFS
2 stops28h 30m
Multiple Airlines
Deal found 28/5£574
Mon 14/908:45
BHD
-
BKK
2 stops21h 50m
Multiple Airlines
Tue 29/922:35
BKK
-
BHD
2 stops21h 05m
Multiple Airlines
Deal found 28/5£603
Tue 3/1106:30
BFS
-
BKK
2 stops35h 25m
Multiple Airlines
Tue 17/1107:45
BKK
-
BFS
1 stop33h 20m
Multiple Airlines
Deal found 1/6£624
Mon 14/920:55
BFS
-
BKK
2 stops33h 40m
Multiple Airlines
Thu 1/1022:35
BKK
-
BFS
2 stops26h 45m
Multiple Airlines
Deal found 28/5£635
Tue 1/917:30
BHD
-
BKK
1 stop34h 00m
KLM
Tue 29/912:05
BKK
-
BHD
1 stop27h 15m
KLM
Deal found 31/5£639
Mon 14/917:30
BHD
-
BKK
2 stops33h 45m
KLM
Tue 29/912:05
BKK
-
BHD
1 stop27h 15m
KLM
Deal found 28/5£652
Tue 3/1107:20
BHD
-
BKK
1 stop19h 45m
Multiple Airlines
Tue 17/1107:45
BKK
-
BHD
1 stop32h 50m
Multiple Airlines
Deal found 1/6£655
Mon 14/917:30
BHD
-
BKK
2 stops33h 45m
KLM
Wed 30/911:25
BKK
-
BHD
2 stops35h 30m
KLM
Deal found 28/5£678
Mon 14/917:30
BHD
-
BKK
2 stops33h 45m
KLM
Thu 1/1011:25
BKK
-
BHD
2 stops35h 30m
KLM
Deal found 28/5£680
Sun 25/1020:45
BFS
-
BKK
1 stop26h 00m
Multiple Airlines
Sun 8/1108:25
BKK
-
BFS
1 stop32h 40m
Multiple Airlines
Deal found 31/5£686
Mon 14/917:55
BFS
-
BKK
2 stops33h 20m
Multiple Airlines
Wed 30/912:05
BKK
-
BFS
2 stops35h 25m
Multiple Airlines
Deal found 28/5£710

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 2 June 2026.

Round-trip from

£556

One-way from

£450

Popular in

December

Cheapest in

May

Average price

£725
14/9-1/10
  • 14/9-1/10
  • 4 total stops
  • 47h 55m total
  • Belfast to Bangkok
Search Deals
28/6
  • 28/6
  • 2 total stops
  • 23h 10m total
  • Belfast to Bangkok
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£53 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
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 2 June 2026.
Use the filters below to find and compare flights from Belfast to Bangkok that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Tue 3/11

20:55-14:25

1 stop34h 30m

Bangkok Suvarnabhumi

Tue 17/11

07:45-10:05

1 stop33h 20m

£637

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Tue 1/9

17:30-09:30

1 stop34h 00m

Bangkok Suvarnabhumi

Tue 29/9

12:05-09:20

1 stop27h 15m

£639

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Sun 25/10

20:45-05:45

1 stop26h 00m

Bangkok Suvarnabhumi

Sun 8/11

08:25-10:05

1 stop32h 40m

£686

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Mon 14/9

17:55-09:15

2 stops33h 20m

Bangkok Suvarnabhumi

Wed 30/9

12:05-17:30

2 stops35h 25m

£710

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Fri 26/6

07:05-23:00

2 stops33h 55m

Bangkok Suvarnabhumi

Thu 2/7

00:40-21:00

2 stops50h 20m

£802

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Thu 2/7

08:10-23:00

2 stops32h 50m

Bangkok Suvarnabhumi

Mon 6/7

13:50-10:00

2 stops26h 10m

£814

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Thu 11/6

14:20-00:10

2 stops27h 50m

Bangkok Suvarnabhumi

Mon 15/6

17:15-08:50

2 stops21h 35m

£866

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Wed 8/7

08:10-19:15

2 stops29h 05m

Bangkok Suvarnabhumi

Wed 22/7

22:45-21:05

2 stops28h 20m

£907

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Thu 3/9

14:25-19:25

2 stops23h 00m

Bangkok Suvarnabhumi

Thu 10/9

02:30-22:50

2 stops26h 20m

£944

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Thu 18/6

16:35-16:05

1 stop17h 30m

Bangkok Suvarnabhumi

Mon 22/6

17:30-12:55

2 stops25h 25m

£999

Flights are sorted by cheapest return flights first.

Deals found on 31/5

Showing 1-10 of 20 resultsSorted by cheapest first
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, January is the cheapest month in which you can book a flight from Belfast to Bangkok (average of £527). Flying from Belfast to Bangkok in February is currently the most expensive (average of £706). 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?

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 2 June 2026.
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
1,524 reviews
Check prices

Comfort

7.7

Overall

7.8

Entertainment

7.2

Boarding

7.8

Food

7.3

Crew

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,524 reviews
KLM
7.8
Good
1,524 reviews
Check prices

Comfort

7.7

Overall

7.8

Entertainment

7.2

Boarding

7.8

Food

7.3

Crew

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
8,015 reviews
KLM
7.8
Good
1,524 reviews
Check prices

Comfort

7.7

Overall

7.8

Entertainment

7.2

Boarding

7.8

Food

7.3

Crew

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 27h 45m. KLM provides one of the quickest options available for as low as £1,025. 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?

    KLM, at £632, was found to be the cheapest airline from Belfast to Bangkok. An alternate airline flying to your destination would be British Airways. KLM is 17% 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, January is the cheapest month in which you can book a flight from Belfast to Bangkok (average of £527). Flying from Belfast to Bangkok in February is currently the most expensive (average of £706). 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 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

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 2 June 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£632Average£852FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£670Average£782FlexibilityNo 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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