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Cheap flights from Belfast Intl Airport to Thailand from £598

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/11. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — BKK
14 Dec — 21 Dec1
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 14 November 2025.

Round-trip from

£628

Popular in

December

Cheapest in

May

Average price

£727
8/4-29/4
  • 8/4-29/4
  • 6 total stops
  • 63h 55m total
  • Belfast to Thailand
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£49 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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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 14 November 2025.

Sat 15/1108:10BFS - BKK
2 stops21h 55mMultiple Airlines
Mon 1/1212:30BKK - BFS
1 stop26h 25mMultiple Airlines
Deal found 13/11£598
Mon 17/1120:55BFS - BKK
2 stops32h 55mMultiple Airlines
Mon 1/1212:30BKK - BFS
1 stop26h 25mMultiple Airlines
Deal found 13/11£602
Tue 18/1120:55BFS - BKK
2 stops32h 55mMultiple Airlines
Mon 1/1212:30BKK - BFS
1 stop26h 25mMultiple Airlines
Deal found 13/11£604
Sat 15/1108:10BFS - BKK
2 stops21h 55mMultiple Airlines
Wed 26/1112:30BKK - BFS
1 stop28h 35mMultiple Airlines
Deal found 13/11£618
Fri 14/1121:20BFS - BKK
2 stops32h 45mMultiple Airlines
Mon 17/1112:30BKK - BFS
1 stop26h 25mMultiple Airlines
Deal found 12/11£623
Tue 18/1109:35BFS - BKK
2 stops24h 20mMultiple Airlines
Wed 26/1112:30BKK - BFS
1 stop28h 35mMultiple Airlines
Deal found 13/11£633
Sun 16/1107:30BFS - BKK
2 stops24h 00mMultiple Airlines
Mon 1/1212:30BKK - BFS
1 stop26h 25mMultiple Airlines
Deal found 13/11£642
Mon 17/1108:30BFS - BKK
2 stops23h 00mMultiple Airlines
Wed 26/1112:30BKK - BFS
1 stop28h 35mMultiple Airlines
Deal found 13/11£651
Fri 14/1106:30BFS - BKK
2 stops22h 50mMultiple Airlines
Mon 1/1212:30BKK - BFS
1 stop26h 25mMultiple Airlines
Deal found 13/11£671
Mon 17/1107:50BFS - BKK
2 stops23h 40mMultiple Airlines
Thu 27/1120:00BKK - BFS
1 stop21h 30mMultiple Airlines
Deal found 13/11£673
Sun 28/1205:45BFS - HKT
3 stops33h 00mMultiple Airlines
Sun 4/123:05HKT - BFS
3 stops29h 10mMultiple Airlines
Deal found 13/11£1,388

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 14 November 2025.
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

Wed 8/4

20:10-19:50

3 stops41h 40m

Bangkok Suvarnabhumi

Wed 29/4

02:55-19:10

3 stops22h 15m

£628

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Fri 3/4

09:40-04:25

2 stops36h 45m

Bangkok Suvarnabhumi

Mon 13/4

02:55-13:10

3 stops40h 15m

£685

BelfastPhuket City

BFS - HKT

BFSHKT

Belfast Intl

Mon 11/5

07:00-12:05

2 stops23h 05m

Phuket City

Mon 25/5

02:25-08:20

2 stops35h 55m

£820

BelfastPhuket City

BFS - HKT

BFSHKT

Belfast Intl

Sun 28/12

05:45-21:45

3 stops33h 00m

Phuket City

Sun 4/1

23:05-21:15

3 stops29h 10m

£1,388

Flights are sorted by cheapest return flights first.

Deals found on 12/11

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 £569). Flying from Belfast Intl Airport to Thailand in July is currently the most expensive (average of £755). 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.

What is the cheapest time of day to fly from BFS to TH?

Find hourly flight availability from Belfast Intl to Thailand. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 November 2025.

It’s typically best to fly out from Belfast Intl Airport to Thailand in the evening. Doing so could potentially save you 34% on the flight price compared to flying in the morning, which is usually more expensive.

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 14 November 2025.
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
1,411 reviews
Check prices

Crew

8.4

Overall

7.7

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,411 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Crew

8.4

Overall

7.7

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,521 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Crew

8.4

Overall

7.7

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 - Chiang Mai or Belfast Intl - Phuket City, 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 £569). Flying from Belfast Intl Airport to Thailand in July is currently the most expensive (average of £755). 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 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£573Average£734FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£638Average£855FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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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?

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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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