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Cheap flights from Belfast Intl Airport to Thailand from £296

BFS — BKK
26 Sep — 3 Oct1
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 23/906:10 -
2 stops25h 25m
Wed 30/919:35 -
2 stops20h 20m
Deal found 26/8£484
Mon 19/1008:40 -
3 stops26h 45m
Sun 8/1114:55 -
2 stops33h 10m
Deal found 26/8£488
Tue 13/1006:40 -
3 stops24h 45m
Thu 29/1014:50 -
1 stop24h 55m
Deal found 24/8£541
Wed 21/1009:55 -
3 stops25h 30m
Sat 31/1014:40 -
3 stops29h 55m
Deal found 27/8£547
Mon 12/1018:50 -
3 stops31h 05m
Mon 26/1002:40 -
2 stops23h 30m
Deal found 26/8£554
Wed 21/1009:55 -
3 stops25h 30m
Mon 2/1115:05 -
3 stops26h 35m
Deal found 25/8£563
Thu 8/1006:10 -
2 stops29h 30m
Thu 15/1008:45 -
2 stops29h 10m
Deal found 24/8£567
Fri 16/1017:30 -
2 stops32h 20m
Mon 26/1009:20 -
1 stop19h 05m
Deal found 25/8£568
Fri 9/1006:05 -
3 stops27h 10m
Fri 16/1022:20 -
3 stops28h 55m
Deal found 25/8£781

Find flight deals from Belfast Intl to Thailand

Round-trip from

£484

One-way from

£296

Popular in

February

Cheapest in

September

Average price

£673
23/9-30/9
  • 23/9-30/9
  • 4 total stops
  • 45h 45m total
  • Belfast to Thailand
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8/12
  • 8/12
  • 3 total stops
  • 54h 35m 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).
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Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).
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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 23/9

06:10-13:35

2 stops25h 25m

Bangkok Suvarnabhumi

Wed 30/9

19:35-09:55

2 stops20h 20m

£484

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Tue 13/10

06:40-13:25

3 stops24h 45m

Bangkok Suvarnabhumi

Thu 29/10

14:50-08:45

1 stop24h 55m

£541

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Mon 19/10

06:10-12:30

2 stops24h 20m

Bangkok Suvarnabhumi

Sat 7/11

01:55-10:10

2 stops39h 15m

£541

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Wed 21/10

09:55-17:25

3 stops25h 30m

Bangkok Suvarnabhumi

Sat 31/10

14:40-13:35

3 stops29h 55m

£547

BelfastPhuket City

BFS Belfast Intl - HKT Phuket City

BFSHKT

Belfast Intl

Mon 12/10

18:50-07:55

3 stops31h 05m

Phuket City

Mon 26/10

02:40-19:10

2 stops23h 30m

£554

BelfastPhuket City

BFS Belfast Intl - HKT Phuket City

BFSHKT

Belfast Intl

Thu 8/10

06:10-17:40

2 stops29h 30m

Phuket City

Thu 15/10

08:45-07:55

2 stops29h 10m

£567

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Fri 16/10

17:30-07:50

2 stops32h 20m

Bangkok Suvarnabhumi

Mon 26/10

09:20-21:25

1 stop19h 05m

£568

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Tue 20/10

10:35-23:55

3 stops31h 20m

Bangkok Suvarnabhumi

Tue 17/11

05:55-21:30

2 stops22h 35m

£614

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Wed 21/10

05:55-17:25

3 stops29h 30m

Bangkok Suvarnabhumi

Mon 2/11

08:30-21:40

2 stops20h 10m

£701

BelfastChiang Mai

BFS Belfast Intl - CNX Chiang Mai

BFSCNX

Belfast Intl

Fri 9/10

06:05-15:15

3 stops27h 10m

Chiang Mai

Fri 16/10

22:20-21:15

3 stops28h 55m

£781

Flights are sorted by cheapest return flights first.

Deals found on 26/8

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

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 £654). Flying from Belfast Intl Airport to Thailand in February is currently the most expensive (average of £881). 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
1,565 reviews
Check prices

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.8

Entertainment

7.2

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Meghana,Aug 2026

QRO - ATL

It was a good one. They were very friendly and helpful
KLM
7.8
Good
1,565 reviews
KLM
7.8
Good
1,565 reviews
Check prices

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.8

Entertainment

7.2

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Meghana,Aug 2026

QRO - ATL

It was a good one. They were very friendly and helpful
British Airways
6.7
Okay
8,194 reviews
KLM
7.8
Good
1,565 reviews
Check prices

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.8

Entertainment

7.2

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Meghana,Aug 2026

QRO - ATL

It was a good one. They were very friendly and helpful

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 £654). Flying from Belfast Intl Airport to Thailand in February is currently the most expensive (average of £881). 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£645Average£733FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£647Average£822FlexibilityNo cancel feeOn-time75%
Search KLM flights

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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.

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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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