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Cheap flights from Belfast Intl Airport to Thailand from £264

BFS — BKK
21 Sep — 28 Sep1
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

Wed 21/1009:55 -
3 stops25h 30m
Wed 28/1009:20 -
1 stop17h 50m
Deal found 20/8£456
Thu 10/906:10 -
2 stops25h 25m
Sun 13/901:30 -
2 stops38h 25m
Deal found 18/8£470
Thu 3/906:10 -
2 stops36h 00m
Wed 16/921:00 -
2 stops31h 20m
Deal found 18/8£539
Mon 14/908:15 -
2 stops33h 55m
Mon 21/915:55 -
2 stops29h 40m
Deal found 17/8£543
Mon 5/1015:50 -
2 stops34h 00m
Mon 12/1011:20 -
2 stops34h 10m
Deal found 21/8£544
Wed 28/1015:35 -
3 stops35h 50m
Wed 18/1111:50 -
3 stops38h 55m
Deal found 17/8£551
Sun 4/1021:10 -
2 stops31h 35m
Sun 11/1018:40 -
2 stops31h 35m
Deal found 20/8£586
Thu 17/1209:55 -
3 stops41h 20m
Sun 27/1222:20 -
2 stops30h 20m
Deal found 18/8£875
Tue 22/1207:10 -
3 stops33h 45m
Wed 6/109:05 -
3 stops42h 40m
Deal found 18/8£1,029
Sat 26/1206:15 -
2 stops21h 00m
Sun 3/115:50 -
2 stops27h 35m
Deal found 21/8£1,260

Find flight deals from Belfast Intl to Thailand

Round-trip from

£456

One-way from

£264

Popular in

February

Cheapest in

September

Average price

£672
21/10-28/10
  • 21/10-28/10
  • 4 total stops
  • 43h 20m total
  • Belfast to Thailand
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31/10
  • 31/10
  • 3 total stops
  • 54h 30m total
  • Belfast to Thailand
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£44 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
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
Fastest return journey

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Wed 21/10

09:55-17:25

3 stops25h 30m

Bangkok Suvarnabhumi

Wed 28/10

09:20-20:10

1 stop17h 50m

£456

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Thu 10/9

06:10-13:35

2 stops25h 25m

Bangkok Suvarnabhumi

Sun 13/9

01:30-09:55

2 stops38h 25m

£470

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Mon 14/9

08:15-00:10

2 stops33h 55m

Bangkok Suvarnabhumi

Mon 21/9

15:55-15:35

2 stops29h 40m

£543

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Wed 28/10

15:35-10:25

3 stops35h 50m

Bangkok Suvarnabhumi

Wed 18/11

11:50-19:45

3 stops38h 55m

£551

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Mon 5/10

19:35-07:50

3 stops30h 15m

Bangkok Suvarnabhumi

Mon 12/10

21:00-16:15

3 stops25h 15m

£584

BelfastPhuket City

BFS Belfast Intl - HKT Phuket City

BFSHKT

Belfast Intl

Sun 4/10

06:25-17:40

2 stops29h 15m

Phuket City

Sun 11/10

09:25-08:10

3 stops28h 45m

£608

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Thu 1/10

08:15-10:20

2 stops20h 05m

Bangkok Suvarnabhumi

Sat 31/10

14:40-13:35

3 stops29h 55m

£645

BelfastPhuket City

BFS Belfast Intl - HKT Phuket City

BFSHKT

Belfast Intl

Thu 17/12

09:55-10:15

3 stops41h 20m

Phuket City

Sun 27/12

22:20-21:40

2 stops30h 20m

£875

BelfastPhuket City

BFS Belfast Intl - HKT Phuket City

BFSHKT

Belfast Intl

Tue 22/12

06:45-10:15

3 stops44h 30m

Phuket City

Wed 6/1

18:20-18:00

2 stops30h 40m

£1,115

BelfastPhuket City

BFS Belfast Intl - HKT Phuket City

BFSHKT

Belfast Intl

Sat 26/12

06:15-10:15

2 stops21h 00m

Phuket City

Sun 3/1

15:50-17:35

3 stops32h 45m

£1,271

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Showing 1-10 of 12 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

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, September is the cheapest month in which you can book a flight from Belfast Intl Airport to Thailand (average of £652). Flying from Belfast Intl Airport to Thailand in February is currently the most expensive (average of £879). 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 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
1,562 reviews
Check prices

Crew

8.4

Overall

7.8

Comfort

7.7

Entertainment

7.2

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy
KLM
7.8
Good
1,562 reviews
KLM
7.8
Good
1,562 reviews
Check prices

Crew

8.4

Overall

7.8

Comfort

7.7

Entertainment

7.2

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy
British Airways
6.7
Okay
8,183 reviews
KLM
7.8
Good
1,562 reviews
Check prices

Crew

8.4

Overall

7.8

Comfort

7.7

Entertainment

7.2

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Related info for your journey

  • 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, September is the cheapest month in which you can book a flight from Belfast Intl Airport to Thailand (average of £652). Flying from Belfast Intl Airport to Thailand in February is currently the most expensive (average of £879). 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

Top 2 airlines flying from Belfast Intl to Thailand

AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£643Average£735FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£645Average£820FlexibilityNo cancel feeOn-time75%
Search KLM flights

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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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