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Cheap flights from Belfast Intl Airport to Bangkok Suvarnabhumi Airport from £305

BFS — BKK
29 Oct — 5 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast Intl to Suvarnabhumi

Enter your travel dates to find the best prices.

Cheapest flights from Belfast Intl to Suvarnabhumi

Sun 29/1120:55 -
2 stops31h 30m
Sun 20/1218:55 -
2 stops22h 15m
Deal found 26/9£549
Tue 10/1107:00 -
2 stops27h 50m
Tue 17/1116:50 -
2 stops35h 40m
Deal found 26/9£551
Thu 5/1110:15 -
2 stops23h 50m
Thu 12/1106:30 -
2 stops22h 30m
Deal found 27/9£604
Thu 12/1106:30 -
2 stops21h 55m
Thu 19/1106:30 -
2 stops22h 30m
Deal found 28/9£607
Sun 22/1114:10 -
2 stops28h 10m
Tue 15/1219:55 -
2 stops24h 45m
Deal found 26/9£626
Wed 25/1120:50 -
2 stops31h 35m
Wed 16/1209:20 -
1 stop37h 55m
Deal found 25/9£683

Find flight deals from Belfast Intl to Suvarnabhumi

Round-trip from

£541

One-way from

£305

Popular in

December

Cheapest in

September

Average price

£673
23/2-8/3
  • 23/2-8/3
  • 4 total stops
  • 44h 55m total
  • Belfast to Bangkok
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23/2-31/12
  • 23/2-31/12
  • 3 total stops
  • 25h 25m total
  • Belfast to Bangkok
Search Deals
Highest demand for flights based on searches. 31% potential increase in price (£305 potential increase over avg. return price).
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Cheapest flight prices on average. 12% potential price decrease (£78 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Belfast Intl Airport to Bangkok Suvarnabhumi Airport 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

Tue 23/2

08:50-17:15

3 stops25h 25m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£305

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Thu 18/2

06:30-12:20

2 stops22h 50m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£346

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Tue 23/2

07:00-12:20

2 stops22h 20m

Bangkok Suvarnabhumi

Mon 8/3

19:05-10:40

2 stops22h 35m

£541

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Tue 10/11

07:00-17:50

2 stops27h 50m

Bangkok Suvarnabhumi

Tue 17/11

16:50-21:30

2 stops35h 40m

£551
Fastest return journey

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Mon 22/2

10:15-16:00

1 stop22h 45m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£597

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Thu 5/11

10:15-17:05

2 stops23h 50m

Bangkok Suvarnabhumi

Thu 12/11

06:30-22:00

2 stops22h 30m

£604

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Wed 25/11

20:50-11:25

2 stops31h 35m

Bangkok Suvarnabhumi

Wed 16/12

09:20-16:15

1 stop37h 55m

£683

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Mon 23/11

13:00-12:20

1 stop16h 20m

Bangkok Suvarnabhumi

Mon 14/12

08:50-20:15

1 stop18h 25m

£877

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Thu 26/11

10:10-10:05

1 stop16h 55m

Bangkok Suvarnabhumi

Thu 17/12

11:30-13:40

2 stops33h 10m

£914

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Mon 8/2

06:00-12:55

2 stops23h 55m

Bangkok Suvarnabhumi

Sun 28/2

02:00-21:30

2 stops26h 30m

£937

Flights are sorted by cheapest return flights first.

Deals found on 28/9

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Best time to book a flight from Belfast Intl to Suvarnabhumi

Have a flexible travel schedule? Discover the best time to fly to Suvarnabhumi from Belfast Intl with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Belfast Intl Airport to Bangkok Suvarnabhumi Airport

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

Currently, September is the cheapest month in which you can book a flight from Belfast Intl Airport to Bangkok Suvarnabhumi Airport (average of £673). Flying from Belfast Intl Airport to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of £2,012). 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 Intl Airport to Bangkok Suvarnabhumi Airport?

Airfare is below average for this route at the moment.

Belfast Intl Airport to Bangkok Suvarnabhumi Airport flights typically cost between £759 and £846 in February.
The cheapest return price found within the last 5 days was £541 on Multiple Airlines (23 Feb–8 Mar).

Reviews of airlines servicing Suvarnabhumi

Read reviews from past customers who have flown with KLM and British Airways from Belfast Intl Airport to Bangkok Suvarnabhumi Airport. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,578 reviews
Check prices

Crew

8.4

Comfort

7.7

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.2

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
1,578 reviews
KLM
7.8
Good
1,578 reviews
Check prices

Crew

8.4

Comfort

7.7

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.2

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
8,239 reviews
KLM
7.8
Good
1,578 reviews
Check prices

Crew

8.4

Comfort

7.7

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.2

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

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

    Currently priced at £665, British Airways will fly you from Belfast Intl Airport to Bangkok Suvarnabhumi Airport and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on KLM for as low as £665. You may be able to fly from Belfast Intl Airport to Bangkok Suvarnabhumi Airport for 25% less than the average price by searching for these airlines.

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

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

  • How can I find direct flights from Belfast Intl to Suvarnabhumi?

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

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

    Yes. Cheapflights offers flight deals from Belfast Intl to Suvarnabhumi 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 Bangkok Suvarnabhumi Airport?

    Currently, September is the cheapest month in which you can book a flight from Belfast Intl Airport to Bangkok Suvarnabhumi Airport (average of £673). Flying from Belfast Intl Airport to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of £2,012). 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

Travelling to a place near Bangkok Suvarnabhumi Airport?

Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locations
Kanchanaburi
Cha-am
Pak Chong
Chonburi
Ko Samet
Ayutthaya
Sattahip
Ko Lan

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Belfast Intl to Suvarnabhumi

Belfast City to Suvarnabhumi flights

Top 2 airlines flying from Belfast Intl to Suvarnabhumi

AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£665Average£754FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£665Average£808FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

How does Cheapflights help users find flights from Belfast Intl to Suvarnabhumi?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Belfast Intl to Suvarnabhumi. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights helps you find that perfect flight to Suvarnabhumi from Belfast Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to Suvarnabhumi 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 Suvarnabhumi become cheaper?

Of course! You can now track prices for flights from Belfast Intl to Suvarnabhumi and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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