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Cheap flights from Belfast to Bangkok from £449

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/5. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — BKK
2 May — 9 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to Bangkok

Enter your travel dates to find the best prices.

Cheapest flights from Belfast to Bangkok
Explore the most affordable flight options available from Belfast to Bangkok. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 April 2026.

Tue 26/508:20
BFS
-
BKK
2 stops33h 50m
Multiple Airlines
Tue 9/619:35
BKK
-
BFS
2 stops24h 25m
Multiple Airlines
Deal found 31/3£449
Tue 26/507:00
BHD
-
BKK
2 stops35h 10m
Multiple Airlines
Tue 9/619:35
BKK
-
BHD
2 stops24h 05m
Multiple Airlines
Deal found 31/3£465
Tue 9/622:30
BFS
-
BKK
3 stops25h 45m
Multiple Airlines
Fri 12/603:15
BKK
-
BFS
3 stops38h 40m
Multiple Airlines
Deal found 31/3£558
Tue 28/407:00
BHD
-
BKK
2 stops24h 40m
Multiple Airlines
Mon 4/501:50
BKK
-
BHD
2 stops21h 30m
Multiple Airlines
Deal found 29/3£570
Sun 17/522:10
BFS
-
BKK
3 stops43h 40m
Multiple Airlines
Sat 23/503:15
BKK
-
BFS
3 stops35h 00m
Multiple Airlines
Deal found 2/4£570
Fri 12/617:05
BFS
-
BKK
3 stops43h 05m
Multiple Airlines
Sun 5/720:15
BKK
-
BFS
3 stops28h 10m
Multiple Airlines
Deal found 29/3£579
Mon 7/907:00
BHD
-
BKK
2 stops23h 35m
Multiple Airlines
Mon 21/922:35
BKK
-
BHD
2 stops21h 05m
Multiple Airlines
Deal found 30/3£591
Mon 11/509:10
BFS
-
BKK
2 stops27h 00m
Multiple Airlines
Mon 18/509:40
BKK
-
BFS
3 stops32h 35m
Multiple Airlines
Deal found 28/3£592
Mon 7/921:25
BFS
-
BKK
3 stops32h 25m
Multiple Airlines
Mon 21/915:05
BKK
-
BFS
3 stops38h 15m
Multiple Airlines
Deal found 30/3£597
Fri 12/607:00
BHD
-
BKK
2 stops35h 10m
Multiple Airlines
Sun 5/719:35
BKK
-
BHD
2 stops31h 00m
Multiple Airlines
Deal found 28/3£629
Thu 30/406:50
BHD
-
BKK
2 stops24h 50m
Multiple Airlines
Wed 6/501:50
BKK
-
BHD
2 stops20h 45m
Multiple Airlines
Deal found 31/3£634
Tue 22/909:40
BHD
-
BKK
2 stops21h 45m
British Airways
Mon 19/1020:00
BKK
-
BHD
2 stops22h 55m
British Airways
Deal found 30/3£680

Find flight deals from Belfast to Bangkok

Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) to Bangkok (TH1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 2 April 2026.

Round-trip from

£449

Popular in

December

Cheapest in

August

Average price

£810
26/5-9/6
  • 26/5-9/6
  • 4 total stops
  • 58h 15m total
  • Belfast to Bangkok
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£48 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast to Bangkok 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 2 April 2026.
Use the filters below to find and compare flights from Belfast to Bangkok that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Tue 26/5

08:50-06:45

3 stops39h 55m

Bangkok Suvarnabhumi

Tue 9/6

20:15-15:15

3 stops25h 00m

£527

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Tue 9/6

22:30-06:15

3 stops25h 45m

Bangkok Suvarnabhumi

Fri 12/6

03:15-11:55

3 stops38h 40m

£558

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Sun 17/5

22:10-23:50

3 stops43h 40m

Bangkok Suvarnabhumi

Sat 23/5

03:15-08:15

3 stops35h 00m

£570

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Fri 12/6

17:05-18:10

3 stops43h 05m

Bangkok Suvarnabhumi

Sun 5/7

20:15-18:25

3 stops28h 10m

£581

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Mon 7/9

21:25-11:50

3 stops32h 25m

Bangkok Suvarnabhumi

Mon 21/9

15:05-23:20

3 stops38h 15m

£597

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Sat 16/5

11:10-06:45

3 stops37h 35m

Bangkok Suvarnabhumi

Fri 22/5

03:15-18:55

3 stops45h 40m

£608

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Sun 14/6

09:55-12:55

2 stops21h 00m

Bangkok Suvarnabhumi

Mon 13/7

02:30-08:20

2 stops35h 50m

£652
Fastest return journey

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Mon 28/9

09:40-13:25

2 stops21h 45m

Bangkok Suvarnabhumi

Tue 20/10

20:00-10:45

2 stops20h 45m

£680

BelfastBangkok

BFS - BKK

BFSBKK

Belfast Intl

Mon 11/5

07:05-18:10

2 stops29h 05m

Bangkok Suvarnabhumi

Sun 17/5

03:15-21:50

2 stops24h 35m

£718

BelfastBangkok

BHD - BKK

BHDBKK

Belfast City

Fri 1/5

18:20-23:50

2 stops23h 30m

Bangkok Suvarnabhumi

Tue 19/5

09:40-13:50

2 stops34h 10m

£746

Flights are sorted by cheapest return flights first.

Deals found on 30/3

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Belfast to Bangkok

Have a flexible travel schedule? Discover the best time to fly to Bangkok 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 Bangkok

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

Currently, August is the cheapest month in which you can book a flight from Belfast to Bangkok (average of £564). Flying from Belfast to Bangkok in December 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.

How much does it cost for a return flight from Belfast to Bangkok?

Reviews of airlines servicing Bangkok

Get insights into the airlines that provide service to Bangkok. 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 Bangkok. Reviews last updated 2 April 2026.
Get a feel of what it's like to fly with KLM and British Airways from Belfast to Bangkok 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
1,485 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Food

7.3

Overall

7.7

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,485 reviews
KLM
7.7
Good
1,485 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Food

7.3

Overall

7.7

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,841 reviews
KLM
7.7
Good
1,485 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Food

7.3

Overall

7.7

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

Find useful and relevant information for your journey from Belfast to Bangkok. 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 Bangkok?

    A quick flight from Belfast to Bangkok can take about 21h 45m. British Airways provides one of the quickest options available for as low as £680. Airlines will cover a distance of 6087 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Belfast to Bangkok round-trip?

    KLM, at £568, was found to be the cheapest airline from Belfast to Bangkok. An alternate airline flying to your destination would be British Airways. KLM is 25% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast to Bangkok 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 Bangkok?

    Currently, August is the cheapest month in which you can book a flight from Belfast to Bangkok (average of £564). Flying from Belfast to Bangkok in December 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 Bangkok

See prices for flight routes from nearby airports that may be better suited for you.
Belfast Intl to Suvarnabhumi flights
Belfast City to Suvarnabhumi flights
Belfast Intl to Phuket City flights
Belfast City to Chiang Mai flights

Top 2 airlines flying from Belfast to Bangkok

Discover the top 2 airlines that operate flights from Belfast to Bangkok. 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 2 April 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£568Average£762FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£674Average£787FlexibilityNo 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 Bangkok?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Bangkok from Belfast today with Cheapflights!

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Bangkok from Belfast.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Belfast to Bangkok, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Belfast to Bangkok become cheaper?

Yes, Cheapflights offers price alerts on Belfast to Bangkok flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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