Cheap flights from Belfast Intl Airport to Thailand from £338

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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — BKK
9 Jul — 16 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast Intl to Thailand

Enter your travel dates to find the best prices.

Cheapest flights from Belfast Intl to Thailand
Explore the most affordable flight options available from Belfast Intl to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 June 2026.

Thu 2/721:10
BFS
-
BKK
2 stops33h 25m
Multiple Airlines
Sun 5/722:35
BKK
-
BFS
2 stops27h 40m
Multiple Airlines
Deal found 5/6£727
Mon 6/707:05
BFS
-
BKK
2 stops33h 55m
Multiple Airlines
Mon 27/700:25
BKK
-
BFS
2 stops52h 40m
Multiple Airlines
Deal found 9/6£728
Thu 2/708:10
BFS
-
HKT
2 stops46h 20m
Multiple Airlines
Wed 15/703:20
HKT
-
BFS
2 stops36h 20m
Multiple Airlines
Deal found 9/6£793
Thu 3/910:20
BFS
-
BKK
2 stops17h 10m
Multiple Airlines
Thu 10/911:25
BKK
-
BFS
2 stops27h 05m
Multiple Airlines
Deal found 6/6£833
Tue 8/916:00
BFS
-
BKK
2 stops26h 10m
Multiple Airlines
Thu 17/905:35
BKK
-
BFS
1 stop22h 50m
Multiple Airlines
Deal found 5/6£841
Sat 4/706:55
BFS
-
BKK
2 stops34h 05m
Multiple Airlines
Mon 20/722:45
BKK
-
BFS
2 stops22h 50m
Multiple Airlines
Deal found 6/6£844
Sat 8/810:40
BFS
-
BKK
2 stops26h 45m
Multiple Airlines
Wed 16/903:40
BKK
-
BFS
2 stops25h 30m
Multiple Airlines
Deal found 7/6£921
Tue 21/722:05
BFS
-
CNX
3 stops33h 20m
Multiple Airlines
Tue 28/707:00
CNX
-
BFS
3 stops38h 15m
Multiple Airlines
Deal found 6/6£979
Mon 6/707:05
BFS
-
HKT
2 stops47h 25m
Multiple Airlines
Wed 15/703:20
HKT
-
BFS
2 stops36h 20m
Multiple Airlines
Deal found 7/6£1,050
Sun 8/1115:45
BFS
-
HKT
1 stop34h 40m
Multiple Airlines
Sun 20/1220:30
HKT
-
BFS
2 stops24h 20m
Multiple Airlines
Deal found 5/6£1,449

Find flight deals from Belfast Intl to Thailand

Keep the following information in mind while searching for Belfast Intl to Thailand flight deals. Data was last updated 9 June 2026.

Round-trip from

£727

One-way from

£338

Popular in

December

Cheapest in

September

Average price

£744
2/7-5/7
  • 2/7-5/7
  • 4 total stops
  • 61h 05m total
  • Belfast to Thailand
17/6
  • 17/6
  • 3 total stops
  • 30h 55m total
  • Belfast to Thailand
Highest demand for flights based on searches. 10% potential increase in price (£72 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£21 potential savings vs. average return price).
Average for round-trip flights in June 2026

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast Intl to Thailand 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 9 June 2026.
Use the filters below to find and compare flights from Belfast Intl Airport to Thailand that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Thu 2/7

21:10-12:35

2 stops33h 25m

Bangkok Suvarnabhumi

Sun 5/7

22:35-20:15

2 stops27h 40m

£727

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Mon 6/7

07:05-23:00

2 stops33h 55m

Bangkok Suvarnabhumi

Mon 27/7

00:25-23:05

2 stops52h 40m

£728

BelfastPhuket City

BFS - HKT

BFSHKT

Belfast Intl

Thu 2/7

08:10-12:30

2 stops46h 20m

Phuket City

Wed 15/7

03:20-09:40

2 stops36h 20m

£793
Fastest return journey

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Thu 3/9

10:20-09:30

2 stops17h 10m

Bangkok Suvarnabhumi

Thu 10/9

11:25-08:30

2 stops27h 05m

£833

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Tue 8/9

16:00-00:10

2 stops26h 10m

Bangkok Suvarnabhumi

Thu 17/9

05:35-22:25

1 stop22h 50m

£841

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Sat 4/7

06:55-23:00

2 stops34h 05m

Bangkok Suvarnabhumi

Mon 20/7

22:45-15:35

2 stops22h 50m

£844

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Sat 8/8

10:40-19:25

2 stops26h 45m

Bangkok Suvarnabhumi

Wed 16/9

03:40-23:10

2 stops25h 30m

£921

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Tue 14/7

06:15-10:15

2 stops22h 00m

Bangkok Suvarnabhumi

Tue 21/7

20:15-15:15

2 stops25h 00m

£952

BelfastChiang Mai

BFS - CNX

BFSCNX

Belfast Intl

Tue 21/7

22:05-13:25

3 stops33h 20m

Chiang Mai

Tue 28/7

07:00-15:15

3 stops38h 15m

£979

BelfastPhuket City

BFS - HKT

BFSHKT

Belfast Intl

Mon 6/7

07:05-12:30

2 stops47h 25m

Phuket City

Wed 15/7

03:20-09:40

2 stops36h 20m

£1,050

Flights are sorted by cheapest return flights first.

Deals found on 5/6

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Best time to book a flight from Belfast Intl to Thailand

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

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

Currently, January is the cheapest month in which you can book a flight from Belfast Intl Airport to Thailand (average of £530). Flying from Belfast Intl Airport to Thailand in October is currently the most expensive (average of £751). 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.

Reviews of airlines servicing Thailand

Get insights into the airlines that provide service to Thailand. 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 Thailand. Reviews last updated 9 June 2026.
Get a feel of what it's like to fly with KLM and British Airways from Belfast Intl Airport to Thailand by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.2

Food

7.3

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

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

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.2

Food

7.3

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

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

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.2

Food

7.3

Comfort

7.7

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 Intl to Thailand. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the most popular routes from Belfast Intl Airport to Thailand?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast Intl to Thailand 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 Thailand?

    Currently, January is the cheapest month in which you can book a flight from Belfast Intl Airport to Thailand (average of £530). Flying from Belfast Intl Airport to Thailand in October is currently the most expensive (average of £751). 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

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Top 2 airlines flying from Belfast Intl to Thailand

Discover the top 2 airlines that operate flights from Belfast Intl to Thailand. 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 9 June 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£658Average£799FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£674Average£752FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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

Need flexible booking options for your flight to Thailand 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 Thailand become cheaper?

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