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Cheap flights from Belfast to Thailand from £257

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — BKK
2 Jan — 9 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to Thailand

Enter your travel dates to find the best prices.

Cheapest flights from Belfast to Thailand
Explore the most affordable flight options available from Belfast to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 December 2025.

Mon 1/1207:50BFS - BKK
2 stops30h 15mMultiple Airlines
Mon 8/1212:40BKK - BFS
2 stops38h 30mMultiple Airlines
Deal found 30/11£625
Mon 1/1219:25BHD - BKK
2 stops39h 40mMultiple Airlines
Sun 7/1201:30BKK - BHD
2 stops37h 10mMultiple Airlines
Deal found 30/11£644
Mon 1/1217:20BHD - BKK
1 stop33h 45mKLM
Mon 8/1212:15BKK - BHD
1 stop35h 35mKLM
Deal found 30/11£727
Mon 1/1206:30BHD - BKK
1 stop20h 35mKLM
Thu 4/1212:15BKK - BHD
1 stop35h 35mKLM
Deal found 29/11£999
Mon 1/1209:15BHD - BKK
2 stops20h 00mBritish Airways
Thu 4/1220:30BKK - BHD
2 stops20h 50mBritish Airways
Deal found 29/11£1,010
Sat 27/1217:55BHD - BKK
2 stops41h 30mMultiple Airlines
Sat 24/120:30BKK - BHD
2 stops26h 50mMultiple Airlines
Deal found 1/12£1,113
Fri 19/1206:30BFS - BKK
2 stops25h 35mMultiple Airlines
Fri 2/101:05BKK - BFS
2 stops28h 40mMultiple Airlines
Deal found 2/12£1,142
Fri 19/1207:20BHD - BKK
2 stops24h 45mMultiple Airlines
Sat 3/120:45BKK - BHD
2 stops24h 40mMultiple Airlines
Deal found 2/12£1,146
Sun 7/1206:30BHD - CNX
2 stops45h 50mKLM
Thu 11/1219:45CNX - BHD
2 stops32h 15mKLM
Deal found 29/11£1,198
Thu 18/1218:25BFS - BKK
3 stops30h 45mMultiple Airlines
Fri 2/102:30BKK - BFS
3 stops40h 30mMultiple Airlines
Deal found 30/11£1,300

Find flight deals from Belfast to Thailand

Keep the following information in mind while searching for Belfast to Thailand flight deals. Data was last updated 3 December 2025.

Round-trip from

£426

One-way from

£257

Popular in

December

Cheapest in

May

Average price

£1,046
12/1-26/1
  • 12/1-26/1
  • 4 total stops
  • 62h 00m total
  • Belfast to Thailand
Search Deals
15/1
  • 15/1
  • 3 total stops
  • 53h 15m 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 (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast 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 3 December 2025.
Use the filters below to find and compare flights from Belfast to Thailand that are best for you.

Fly from

Belfast

Fly to

Thailand

Route

Depart

Return

Price

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Mon 12/1

06:30-12:20

2 stops22h 50m

Bangkok Suvarnabhumi

Mon 26/1

01:55-10:05

2 stops39h 10m

£426

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Thu 15/1

06:30-18:25

2 stops28h 55m

Bangkok Suvarnabhumi

Wed 21/1

01:55-17:55

2 stops23h 00m

£430

BelfastPhuket City

BFS - HKT

BFSHKT

Belfast Intl

Thu 15/1

06:30-22:00

2 stops32h 30m

Phuket City

Wed 21/1

00:05-10:10

2 stops41h 05m

£432

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Wed 11/3

15:40-01:05

2 stops26h 25m

Bangkok Suvarnabhumi

Thu 26/3

08:20-07:30

2 stops30h 10m

£491

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Wed 11/3

08:35-18:25

2 stops26h 50m

Bangkok Suvarnabhumi

Wed 25/3

01:55-17:55

2 stops23h 00m

£495

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Sun 8/3

05:45-08:15

3 stops43h 30m

Bangkok Suvarnabhumi

Sun 22/3

18:25-18:55

3 stops31h 30m

£495

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Sun 8/3

17:35-22:30

2 stops21h 55m

Bangkok Suvarnabhumi

Sun 22/3

19:55-07:40

2 stops42h 45m

£508

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Tue 3/3

17:20-10:05

1 stop33h 45m

Bangkok Suvarnabhumi

Tue 30/6

12:05-09:20

1 stop27h 15m

£682

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Tue 3/3

07:20-00:05

3 stops33h 45m

Bangkok Suvarnabhumi

Tue 30/6

11:20-13:40

2 stops32h 20m

£722

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Thu 5/2

15:05-01:05

2 stops27h 00m

Bangkok Suvarnabhumi

Thu 26/2

19:55-10:30

2 stops45h 35m

£763

Flights are sorted by cheapest return flights first.

Deals found on 2/12

Showing 1-10 of 19 results
1
2

Best time to book a flight from Belfast to Thailand

Have a flexible travel schedule? Discover the best time to fly to Thailand from Belfast 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 to Thailand

What is the cheapest month to book a flight from Belfast to Thailand?

Currently, August is the cheapest month in which you can book a flight from Belfast to Thailand (average of £567). Flying from Belfast to Thailand in July is currently the most expensive (average of £735). 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 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 3 December 2025.

It’s typically best to fly out from Belfast to Thailand in the evening. Doing so could potentially save you 18% 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 3 December 2025.
See what other customers who have flown with KLM and British Airways from Belfast to Thailand have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,426 reviews
Check prices

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.4

Boarding

7.8

Overall

7.7

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
1,426 reviews
KLM
7.7
Good
1,426 reviews
Check prices

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.4

Boarding

7.8

Overall

7.7

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
7,550 reviews
KLM
7.7
Good
1,426 reviews
Check prices

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.4

Boarding

7.8

Overall

7.7

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 to Thailand. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Belfast to Thailand?

    KLM can get you from Belfast to Thailand in just under 33h 45m. Your travel time can differ by up to . There are 6087 mi between Belfast and Thailand.

  • What are the most popular routes from Belfast to Thailand?

    The most popular flight routes from Belfast to Thailand are Belfast Intl - Bangkok Suvarnabhumi, Belfast City - Bangkok Suvarnabhumi and Belfast City - Chiang Mai.

  • Can I find deals for flights from Belfast to Thailand that include hotel bookings?

    Yes. In addition to deals on Belfast to Thailand flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Belfast to Thailand?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to Thailand.

  • Can I find deals for business class flights from Belfast to Thailand?

    Yes. Cheapflights offers flight deals from Belfast 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 to Thailand?

    Currently, August is the cheapest month in which you can book a flight from Belfast to Thailand (average of £567). Flying from Belfast to Thailand in July is currently the most expensive (average of £735). 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

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Alternative routes for Belfast 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 to Thailand

Discover the top 2 airlines that operate flights from Belfast 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 3 December 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£571Average£765FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£612Average£804FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Belfast to Thailand?

Cheapflights makes it easy to find Belfast to Thailand flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Belfast to Thailand?

Cheapflights simply makes it quick and affordable to book flights from Belfast to Thailand by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Belfast to Thailand with no change fees?

Need flexible booking options for your flight to Thailand from Belfast? 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 to Thailand become cheaper?

Yes! Start tracking prices for Belfast 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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