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Cheap flights from Belfast Intl Airport to Thailand from £266

BFS — BKK
1 Oct — 8 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

Thu 1/1006:10 -
2 stops30h 10m
Sat 10/1014:50 -
2 stops33h 45m
Deal found 30/8£492
Tue 20/1006:15 -
2 stops24h 15m
Fri 6/1101:55 -
2 stops22h 20m
Deal found 31/8£574
Fri 4/1207:00 -
3 stops27h 05m
Thu 14/118:20 -
3 stops31h 40m
Deal found 30/8£695

Find flight deals from Belfast Intl to Thailand

Round-trip from

£492

One-way from

£266

Popular in

December

Cheapest in

September

Average price

£657
1/10-10/10
  • 1/10-10/10
  • 4 total stops
  • 63h 55m total
  • Belfast to Thailand
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12/11
  • 12/11
  • 3 total stops
  • 37h 00m total
  • Belfast to Thailand
Search Deals
Highest demand for flights based on searches. 29% potential increase in price (£270 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease (£74 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 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

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Tue 20/10

06:15-12:30

2 stops24h 15m

Bangkok Suvarnabhumi

Fri 6/11

01:55-17:15

2 stops22h 20m

£574

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Thu 1/10

09:15-17:25

3 stops26h 10m

Bangkok Suvarnabhumi

Fri 9/10

03:15-21:15

2 stops24h 00m

£651

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Tue 5/1

08:20-17:05

3 stops25h 45m

Bangkok Suvarnabhumi

Sun 17/1

16:20-13:50

3 stops28h 30m

£700
Fastest return journey

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Sun 14/2

07:15-06:50

1 stop16h 35m

Bangkok Suvarnabhumi

Sun 28/2

08:05-22:05

2 stops21h 00m

£738

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Fri 4/12

06:30-10:10

2 stops20h 40m

Bangkok Suvarnabhumi

Thu 14/1

18:20-17:00

3 stops29h 40m

£784
Cheapest one-way
Fastest single journey

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Thu 12/11

14:40-10:40

3 stops37h 00m

£266

Flights are sorted by cheapest return flights first.

Deals found on 1/9

Sorted by cheapest first

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 £657). Flying from Belfast Intl Airport to Thailand in December is currently the most expensive (average of £1,966). 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
1,569 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Overall

7.8

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
1,569 reviews
KLM
7.8
Good
1,569 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Overall

7.8

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
8,198 reviews
KLM
7.8
Good
1,569 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Overall

7.8

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 £657). Flying from Belfast Intl Airport to Thailand in December is currently the most expensive (average of £1,966). 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£648Average£736FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£650Average£826FlexibilityNo cancel feeOn-time75%
Search KLM 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?

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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