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Cheap flights from Belfast Intl Airport to Thailand from £259

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 20/8. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — BKK
15 Aug — 22 Aug1
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
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 16 July 2026.

Mon 31/810:05
BFS
-
HKT
2 stops31h 45m
Multiple Airlines
Mon 7/909:25
HKT
-
BFS
3 stops43h 40m
Multiple Airlines
Deal found 14/7£554
Wed 2/921:05
BFS
-
HKT
3 stops42h 55m
Multiple Airlines
Wed 9/909:25
HKT
-
BFS
3 stops29h 45m
Multiple Airlines
Deal found 13/7£582
Thu 13/806:10
BFS
-
BKK
2 stops24h 20m
Multiple Airlines
Sun 16/805:05
BKK
-
BFS
2 stops32h 40m
Multiple Airlines
Deal found 13/7£643
Wed 19/806:10
BFS
-
HKT
2 stops33h 30m
Multiple Airlines
Sat 22/800:05
HKT
-
BFS
2 stops28h 35m
Multiple Airlines
Deal found 15/7£673
Tue 4/806:15
BFS
-
BKK
2 stops33h 40m
Multiple Airlines
Wed 12/802:10
BKK
-
BFS
2 stops23h 30m
Multiple Airlines
Deal found 14/7£688
Mon 24/815:05
BFS
-
HKT
3 stops44h 40m
Multiple Airlines
Mon 31/809:00
HKT
-
BFS
3 stops36h 00m
Multiple Airlines
Deal found 15/7£712
Mon 10/806:10
BFS
-
BKK
2 stops24h 20m
Multiple Airlines
Mon 17/816:50
BKK
-
BFS
2 stops23h 05m
Multiple Airlines
Deal found 13/7£746
Thu 1/1006:35
BFS
-
BKK
2 stops23h 55m
Multiple Airlines
Wed 7/1001:35
BKK
-
BFS
2 stops24h 40m
Multiple Airlines
Deal found 15/7£756
Tue 11/808:00
BFS
-
BKK
2 stops31h 45m
Multiple Airlines
Mon 17/803:15
BKK
-
BFS
2 stops34h 15m
Multiple Airlines
Deal found 14/7£766

Find 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 16 July 2026.

Round-trip from

£554

One-way from

£259

Popular in

December

Cheapest in

September

Average price

£810
31/8-7/9
  • 31/8-7/9
  • 5 total stops
  • 75h 25m total
  • Belfast to Thailand
Search Deals
20/8
  • 20/8
  • 3 total stops
  • 47h 35m total
  • Belfast to Thailand
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£189 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 July 2026
Search Deals

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 16 July 2026.
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

BelfastPhuket City

BFS - HKT

BFSHKT

Belfast Intl

Mon 31/8

10:05-23:50

2 stops31h 45m

Phuket City

Mon 7/9

09:25-23:05

3 stops43h 40m

£554

BelfastPhuket City

BFS - HKT

BFSHKT

Belfast Intl

Wed 2/9

21:05-22:00

3 stops42h 55m

Phuket City

Wed 9/9

09:25-09:10

3 stops29h 45m

£582

BelfastPhuket City

BFS - HKT

BFSHKT

Belfast Intl

Wed 19/8

06:10-21:40

2 stops33h 30m

Phuket City

Sat 22/8

00:05-22:40

2 stops28h 35m

£673

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Tue 4/8

06:15-21:55

2 stops33h 40m

Bangkok Suvarnabhumi

Wed 12/8

02:10-19:40

2 stops23h 30m

£688

BelfastPhuket City

BFS - HKT

BFSHKT

Belfast Intl

Mon 24/8

20:35-12:30

2 stops33h 55m

Phuket City

Mon 31/8

09:00-15:00

3 stops36h 00m

£726
Fastest return journey

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Mon 10/8

06:10-12:30

2 stops24h 20m

Bangkok Suvarnabhumi

Mon 17/8

16:50-09:55

2 stops23h 05m

£746

BelfastPhuket City

BFS - HKT

BFSHKT

Belfast Intl

Sun 3/1

19:15-22:45

3 stops44h 30m

Phuket City

Wed 20/1

14:10-17:15

3 stops34h 05m

£749

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Thu 1/10

06:35-12:30

2 stops23h 55m

Bangkok Suvarnabhumi

Wed 7/10

01:35-20:15

2 stops24h 40m

£756

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Tue 11/8

08:00-21:45

2 stops31h 45m

Bangkok Suvarnabhumi

Mon 17/8

00:40-07:30

3 stops36h 50m

£777

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Thu 13/8

16:40-00:50

2 stops26h 10m

Bangkok Suvarnabhumi

Sat 15/8

00:40-10:05

3 stops39h 25m

£792

Flights are sorted by cheapest return flights first.

Deals found on 13/7

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
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, January is the cheapest month in which you can book a flight from Belfast Intl Airport to Thailand (average of £527). Flying from Belfast Intl Airport to Thailand in November is currently the most expensive (average of £852). 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 16 July 2026.
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
1,539 reviews
Check prices

Crew

8.4

Boarding

7.8

Entertainment

7.2

Food

7.3

Comfort

7.7

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,539 reviews
KLM
7.8
Good
1,539 reviews
Check prices

Crew

8.4

Boarding

7.8

Entertainment

7.2

Food

7.3

Comfort

7.7

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
8,118 reviews
KLM
7.8
Good
1,539 reviews
Check prices

Crew

8.4

Boarding

7.8

Entertainment

7.2

Food

7.3

Comfort

7.7

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 - 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, January is the cheapest month in which you can book a flight from Belfast Intl Airport to Thailand (average of £527). Flying from Belfast Intl Airport to Thailand in November is currently the most expensive (average of £852). 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 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 16 July 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£654Average£740FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£654Average£795FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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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?

Millions of users choose and trust Cheapflights to book the best flight deals from Belfast Intl to Thailand for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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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