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Cheap flights from Belfast Intl Airport to Thailand from £373

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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — BKK
10 Jun — 17 Jun1
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 11 May 2026.

Thu 11/606:10
BFS
-
BKK
2 stops24h 25m
Multiple Airlines
Tue 16/622:35
BKK
-
BFS
2 stops21h 25m
Multiple Airlines
Deal found 11/5£586
Fri 5/606:15
BFS
-
BKK
2 stops35h 35m
Multiple Airlines
Thu 11/603:15
BKK
-
BFS
2 stops35h 45m
Multiple Airlines
Deal found 8/5£626
Wed 24/609:55
BFS
-
HKT
3 stops40h 25m
Multiple Airlines
Wed 1/722:55
HKT
-
BFS
2 stops29h 25m
Multiple Airlines
Deal found 9/5£647
Tue 12/507:35
BFS
-
BKK
2 stops23h 15m
Multiple Airlines
Wed 27/522:45
BKK
-
BFS
2 stops29h 35m
Multiple Airlines
Deal found 7/5£726
Tue 19/507:35
BFS
-
BKK
2 stops23h 15m
Multiple Airlines
Wed 27/522:45
BKK
-
BFS
2 stops29h 35m
Multiple Airlines
Deal found 10/5£729
Thu 11/609:00
BFS
-
BKK
3 stops47h 15m
Multiple Airlines
Tue 23/611:55
BKK
-
BFS
2 stops33h 20m
Multiple Airlines
Deal found 9/5£739
Mon 25/507:05
BFS
-
BKK
2 stops21h 35m
Multiple Airlines
Sun 31/507:55
BKK
-
BFS
2 stops35h 55m
Multiple Airlines
Deal found 10/5£758
Wed 4/1106:30
BFS
-
BKK
2 stops22h 50m
Multiple Airlines
Tue 24/1107:45
BKK
-
BFS
1 stop33h 20m
Multiple Airlines
Deal found 9/5£771
Wed 24/608:10
BFS
-
BKK
2 stops39h 00m
Multiple Airlines
Wed 15/706:40
BKK
-
BFS
2 stops31h 00m
Multiple Airlines
Deal found 8/5£773
Tue 2/614:30
BFS
-
HKT
3 stops35h 50m
Multiple Airlines
Sun 7/622:55
HKT
-
BFS
2 stops20h 55m
Multiple Airlines
Deal found 11/5£825

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 11 May 2026.

Round-trip from

£586

One-way from

£373

Popular in

December

Cheapest in

May

Average price

£616
11/6-16/6
  • 11/6-16/6
  • 4 total stops
  • 45h 50m total
  • Belfast to Thailand
Search Deals
30/9
  • 30/9
  • 2 total stops
  • 21h 35m total
  • Belfast to Thailand
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£51 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 11 May 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 11/6

06:10-12:35

2 stops24h 25m

Bangkok Suvarnabhumi

Tue 16/6

22:35-14:00

2 stops21h 25m

£586

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Fri 5/6

06:15-23:50

2 stops35h 35m

Bangkok Suvarnabhumi

Thu 11/6

03:15-09:00

2 stops35h 45m

£626

BelfastPhuket City

BFS - HKT

BFSHKT

Belfast Intl

Wed 24/6

09:55-08:20

3 stops40h 25m

Phuket City

Wed 1/7

22:55-22:20

2 stops29h 25m

£647

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Wed 4/11

06:30-12:20

2 stops22h 50m

Bangkok Suvarnabhumi

Tue 24/11

07:45-10:05

1 stop33h 20m

£771

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Thu 11/6

06:10-12:30

2 stops24h 20m

Bangkok Suvarnabhumi

Mon 22/6

02:10-22:25

2 stops26h 15m

£777

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Mon 25/5

21:05-14:15

3 stops35h 10m

Bangkok Suvarnabhumi

Sun 31/5

07:55-13:50

2 stops35h 55m

£800

BelfastPhuket City

BFS - HKT

BFSHKT

Belfast Intl

Tue 2/6

14:30-08:20

3 stops35h 50m

Phuket City

Sun 7/6

22:55-13:50

2 stops20h 55m

£825
Fastest return journey

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Mon 8/6

15:35-14:25

1 stop16h 50m

Bangkok Suvarnabhumi

Tue 30/6

20:15-17:40

2 stops27h 25m

£961
Cheapest one-way

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Wed 30/9

06:10-09:45

2 stops21h 35m

£373

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Fri 23/10

17:05-06:15

2 stops31h 10m

£426

Flights are sorted by cheapest return flights first.

Deals found on 10/5

Showing 1-10 of 14 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 £520). Flying from Belfast Intl Airport to Thailand in February is currently the most expensive (average of £723). 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 11 May 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.
KLM
7.8
Good
1,514 reviews
Check prices

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.2

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
1,514 reviews
KLM
7.8
Good
1,514 reviews
Check prices

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.2

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
7,969 reviews
KLM
7.8
Good
1,514 reviews
Check prices

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.2

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?

    While some choose either Belfast Intl - Phuket City or Belfast Intl - Chiang Mai, Belfast Intl - Bangkok Suvarnabhumi is the most popular route 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 £520). Flying from Belfast Intl Airport to Thailand in February is currently the most expensive (average of £723). 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

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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 11 May 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£567Average£739FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£661Average£730FlexibilityNo 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 Thailand?

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

Millions of users choose and trust Cheapflights to book the best flight deals from Belfast Intl to Thailand for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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?

Yes! Start tracking prices for Belfast Intl to Thailand flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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