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Cheap flights from Belfast to Thailand from £280

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — BKK
5 Sep — 12 Sep1
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 6 August 2026.

Mon 7/908:15 -
2 stops33h 55m
Thu 10/914:50 -
2 stops34h 30m
Deal found 3/8£491
Wed 21/1009:55 -
1 stop38h 00m
Wed 28/1009:20 -
1 stop31h 15m
Deal found 3/8£533
Thu 17/910:15 -
2 stops26h 05m
Wed 23/903:15 -
2 stops34h 25m
Deal found 3/8£556
Tue 20/1021:10 -
3 stops38h 15m
Tue 10/1119:15 -
3 stops32h 20m
Deal found 5/8£582
Thu 3/906:10 -
2 stops29h 55m
Wed 16/905:05 -
2 stops32h 35m
Deal found 6/8£587
Wed 21/1009:55 -
1 stop38h 00m
Tue 3/1105:40 -
2 stops32h 35m
Deal found 3/8£588
Tue 8/916:05 -
3 stops47h 55m
Thu 17/921:20 -
2 stops31h 05m
Deal found 4/8£592
Tue 29/914:45 -
2 stops23h 00m
Fri 9/1003:20 -
3 stops39h 40m
Deal found 2/8£593
Mon 21/908:45 -
2 stops33h 25m
Mon 12/1014:50 -
2 stops28h 50m
Deal found 3/8£598
Sat 24/1006:55 -
2 stops25h 25m
Wed 28/1009:20 -
1 stop31h 15m
Deal found 3/8£605
Sat 24/1015:35 -
2 stops37h 35m
Thu 29/1014:50 -
1 stop24h 55m
Deal found 3/8£605
Wed 9/1207:25 -
2 stops37h 15m
Wed 16/1209:20 -
1 stop17h 10m
Deal found 4/8£624

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 6 August 2026.

Round-trip from

£491

One-way from

£280

Popular in

December

Cheapest in

September

Average price

£681
7/9-10/9
  • 7/9-10/9
  • 4 total stops
  • 68h 25m total
  • Belfast to Thailand
Search Deals
7/10
  • 7/10
  • 3 total stops
  • 53h 40m total
  • Belfast to Thailand
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£216 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (£55 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
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 6 August 2026.
Use the filters below to find and compare flights from Belfast 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

Thu 17/9

10:15-18:20

2 stops26h 05m

Bangkok Suvarnabhumi

Wed 23/9

03:15-10:40

3 stops37h 25m

£560

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Tue 20/10

21:10-17:25

3 stops38h 15m

Bangkok Suvarnabhumi

Tue 10/11

19:15-20:35

3 stops32h 20m

£582

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Mon 7/9

09:10-00:10

2 stops33h 00m

Bangkok Suvarnabhumi

Thu 10/9

22:00-22:25

3 stops30h 25m

£584

BelfastPhuket City

BFS Belfast Intl - HKT Phuket City

BFSHKT

Belfast Intl

Tue 8/9

16:05-22:00

3 stops47h 55m

Phuket City

Thu 17/9

21:20-22:25

2 stops31h 05m

£592

BelfastPhuket City

BFS Belfast Intl - HKT Phuket City

BFSHKT

Belfast Intl

Tue 29/9

14:45-19:45

2 stops23h 00m

Phuket City

Fri 9/10

03:20-13:00

3 stops39h 40m

£593

BelfastBangkok

BHD Belfast City - BKK Bangkok Suvarnabhumi

BHDBKK

Belfast City

Wed 9/12

07:25-03:40

2 stops37h 15m

Bangkok Suvarnabhumi

Wed 16/12

09:20-19:30

1 stop17h 10m

£624

BelfastBangkok

BHD Belfast City - BKK Bangkok Suvarnabhumi

BHDBKK

Belfast City

Tue 1/9

17:30-09:30

1 stop34h 00m

Bangkok Suvarnabhumi

Tue 29/9

12:05-09:20

1 stop27h 15m

£654

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Mon 18/1

17:55-07:20

1 stop30h 25m

Bangkok Suvarnabhumi

Sun 24/1

09:20-10:10

1 stop31h 50m

£680

BelfastBangkok

BHD Belfast City - BKK Bangkok Suvarnabhumi

BHDBKK

Belfast City

Tue 1/9

20:25-07:35

2 stops29h 10m

Bangkok Suvarnabhumi

Mon 28/9

03:00-17:30

2 stops20h 30m

£718

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Thu 22/10

18:25-06:35

1 stop30h 10m

Bangkok Suvarnabhumi

Thu 29/10

14:50-08:45

1 stop24h 55m

£755

Flights are sorted by cheapest return flights first.

Deals found on 4/8

Showing 1-10 of 20 resultsSorted by cheapest first
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, September is the cheapest month in which you can book a flight from Belfast to Thailand (average of £665). Flying from Belfast to Thailand in December is currently the most expensive (average of £1,117). 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 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 6 August 2026.
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
7.8
Good
1,555 reviews
Check prices

Comfort

7.7

Overall

7.8

Entertainment

7.2

Crew

8.4

Food

7.3

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
KLM
7.8
Good
1,555 reviews
KLM
7.8
Good
1,555 reviews
Check prices

Comfort

7.7

Overall

7.8

Entertainment

7.2

Crew

8.4

Food

7.3

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
British Airways
6.7
Okay
8,150 reviews
KLM
7.8
Good
1,555 reviews
Check prices

Comfort

7.7

Overall

7.8

Entertainment

7.2

Crew

8.4

Food

7.3

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

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 and British Airways can get you from Belfast to Thailand in just under 29h 10m. Your travel time can differ by up to 4h 50m. There are 6087 mi between Belfast and Thailand. Both multi-stop and direct flights can be found to your destination and back.

  • 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 Intl - Phuket City.

  • 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, September is the cheapest month in which you can book a flight from Belfast to Thailand (average of £665). Flying from Belfast to Thailand in December is currently the most expensive (average of £1,117). 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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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 6 August 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£652Average£793FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£654Average£853FlexibilityNo cancel feeOn-time75%
Search KLM 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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