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Cheap flights from Belfast Intl Airport to Thailand from £277

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 23/1. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — BKK
15 Feb — 22 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 16 January 2026.

Round-trip from

£438

Popular in

December

Cheapest in

May

Average price

£728
1/3-8/3
  • 1/3-8/3
  • 4 total stops
  • 67h 55m total
  • Belfast to Thailand
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£47 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 January 2026
Search Deals

Find 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 16 January 2026.

Sun 1/320:45
BFS
-
BKK
2 stops32h 35m
Multiple Airlines
Sun 8/313:35
BKK
-
BFS
2 stops35h 20m
Multiple Airlines
Deal found 15/1£438
Fri 29/506:05
BFS
-
BKK
2 stops24h 25m
Multiple Airlines
Thu 11/602:10
BKK
-
BFS
2 stops36h 50m
Multiple Airlines
Deal found 14/1£466
Sat 7/310:50
BFS
-
BKK
2 stops32h 00m
Multiple Airlines
Fri 20/303:00
BKK
-
BFS
2 stops36h 55m
Multiple Airlines
Deal found 15/1£476
Sat 28/205:45
BFS
-
HKT
3 stops22h 45m
Multiple Airlines
Sat 7/322:05
HKT
-
BFS
3 stops31h 15m
Multiple Airlines
Deal found 14/1£489
Sat 28/205:45
BFS
-
BKK
3 stops31h 05m
Multiple Airlines
Sat 7/315:30
BKK
-
BFS
3 stops37h 50m
Multiple Airlines
Deal found 14/1£491
Fri 27/206:30
BFS
-
HKT
3 stops32h 15m
Multiple Airlines
Fri 6/322:50
HKT
-
BFS
3 stops30h 10m
Multiple Airlines
Deal found 13/1£554
Sun 8/305:45
BFS
-
BKK
2 stops24h 55m
Multiple Airlines
Sat 21/322:05
BKK
-
BFS
2 stops21h 35m
Multiple Airlines
Deal found 12/1£557
Sat 6/606:20
BFS
-
BKK
2 stops36h 20m
Multiple Airlines
Thu 25/602:10
BKK
-
BFS
2 stops36h 50m
Multiple Airlines
Deal found 14/1£562
Mon 11/506:10
BFS
-
HKT
2 stops33h 50m
Multiple Airlines
Mon 25/500:20
HKT
-
BFS
2 stops37h 10m
Multiple Airlines
Deal found 13/1£568
Fri 5/606:05
BFS
-
BKK
2 stops24h 25m
Multiple Airlines
Thu 25/602:10
BKK
-
BFS
2 stops36h 50m
Multiple Airlines
Deal found 14/1£576
Mon 2/207:50
BFS
-
BKK
2 stops34h 00m
Multiple Airlines
Mon 16/211:50
BKK
-
BFS
3 stops38h 15m
Multiple Airlines
Deal found 15/1£579
Sun 1/220:45
BFS
-
BKK
2 stops38h 05m
Multiple Airlines
Tue 31/302:10
BKK
-
BFS
2 stops35h 30m
Multiple Airlines
Deal found 15/1£585

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 16 January 2026.
Use the filters below to find and compare flights from Belfast Intl Airport to Thailand that are best for you.

Fly from

Belfast Intl

Fly to

Thailand

Route

Depart

Return

Price

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Sun 1/3

20:45-12:20

2 stops32h 35m

Bangkok Suvarnabhumi

Sun 8/3

13:35-17:55

2 stops35h 20m

£438

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Sat 7/3

10:50-01:50

2 stops32h 00m

Bangkok Suvarnabhumi

Fri 20/3

03:00-08:55

2 stops36h 55m

£476

BelfastPhuket City

BFS - HKT

BFSHKT

Belfast Intl

Sat 28/2

05:45-11:30

3 stops22h 45m

Phuket City

Sat 7/3

22:05-22:20

3 stops31h 15m

£489

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Sat 28/2

05:45-19:50

3 stops31h 05m

Bangkok Suvarnabhumi

Sat 7/3

15:30-22:20

3 stops37h 50m

£491

BelfastPhuket City

BFS - HKT

BFSHKT

Belfast Intl

Fri 27/2

06:30-21:45

3 stops32h 15m

Phuket City

Fri 6/3

22:50-22:00

3 stops30h 10m

£554

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Sun 8/3

05:45-13:40

2 stops24h 55m

Bangkok Suvarnabhumi

Sat 21/3

22:05-12:40

2 stops21h 35m

£557

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Sat 6/6

06:20-00:40

2 stops36h 20m

Bangkok Suvarnabhumi

Thu 25/6

02:10-09:00

2 stops36h 50m

£562

BelfastPhuket City

BFS - HKT

BFSHKT

Belfast Intl

Mon 11/5

06:10-22:00

2 stops33h 50m

Phuket City

Mon 25/5

00:20-07:30

2 stops37h 10m

£568

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Fri 5/6

06:05-12:30

2 stops24h 25m

Bangkok Suvarnabhumi

Thu 25/6

02:10-09:00

2 stops36h 50m

£576

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Mon 2/2

07:50-00:50

2 stops34h 00m

Bangkok Suvarnabhumi

Mon 16/2

11:50-19:05

3 stops38h 15m

£579

Flights are sorted by cheapest return flights first.

Deals found on 13/1

Showing 1-10 of 16 results
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, August is the cheapest month in which you can book a flight from Belfast Intl Airport to Thailand (average of £561). Flying from Belfast Intl Airport to Thailand in February is currently the most expensive (average of £745). 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 16 January 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
7.7
Good
1,440 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.7

Food

7.2

Comfort

7.6

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,440 reviews
KLM
7.7
Good
1,440 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.7

Food

7.2

Comfort

7.6

Boarding

7.8

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
7,680 reviews
KLM
7.7
Good
1,440 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.7

Food

7.2

Comfort

7.6

Boarding

7.8

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

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, August is the cheapest month in which you can book a flight from Belfast Intl Airport to Thailand (average of £561). Flying from Belfast Intl Airport to Thailand in February is currently the most expensive (average of £745). 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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Alternative routes for Belfast Intl to Thailand

See prices for flight routes from nearby airports that may be better suited for you.
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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 16 January 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£561Average£666FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£626Average£732FlexibilityNo 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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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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