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Cheap flights from Belfast Intl Airport to Bangkok Suvarnabhumi Airport from £242

BFS — BKK
24 Nov — 1 Dec1
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

Thu 3/1220:20 -
3 stops28h 00m
Thu 17/1214:20 -
1 stop24h 35m
Deal found 24/10£510
Sun 6/1220:55 -
2 stops35h 00m
Sun 13/1211:25 -
2 stops33h 25m
Deal found 22/10£516
Tue 10/1107:00 -
2 stops35h 30m
Thu 19/1119:30 -
2 stops28h 35m
Deal found 21/10£540
Mon 7/1214:35 -
2 stops20h 10m
Mon 14/1208:50 -
1 stop19h 50m
Deal found 23/10£541

Find flight deals from Belfast Intl to Suvarnabhumi

Round-trip from

£510

One-way from

£242

Popular in

December

Cheapest in

September

Average price

£785
3/12-17/12
  • 3/12-17/12
  • 4 total stops
  • 52h 35m total
  • Belfast to Bangkok
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17/11-31/12
  • 17/11-31/12
  • 3 total stops
  • 43h 15m total
  • Belfast to Bangkok
Search Deals
Highest demand for flights based on searches. 30% potential increase in price (£291 potential increase over avg. return price).
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Cheapest flight prices on average. 12% potential price decrease (£76 potential savings vs. average return price).
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Average for round-trip flights in October 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 17/11

08:25-10:40

3 stops43h 15m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£242

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Mon 16/11

07:20-10:45

3 stops44h 25m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£304

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Mon 23/11

14:35-23:40

2 stops26h 05m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£326

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Mon 9/11

08:40-17:15

2 stops25h 35m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£356

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Tue 22/12

07:10-12:20

3 stops46h 10m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£425
Fastest return journey

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Thu 12/11

10:10-07:25

1 stop14h 15m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£466

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Thu 19/11

10:10-07:25

1 stop14h 15m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£466

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Thu 3/12

20:20-07:20

3 stops28h 00m

Bangkok Suvarnabhumi

Thu 17/12

14:20-07:55

1 stop24h 35m

£510

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Sun 6/12

20:55-14:55

2 stops35h 00m

Bangkok Suvarnabhumi

Sun 13/12

11:25-13:50

2 stops33h 25m

£516

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Fri 30/10

09:50-07:25

1 stop14h 35m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£519

Flights are sorted by cheapest return flights first.

Deals found on 22/10

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 £665). Flying from Belfast Intl Airport to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of £1,990). 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 £722 and £867 in December.
The cheapest return price found within the last 5 days was £510 on Multiple Airlines (3 Dec–17 Dec).

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
1,594 reviews
Check prices

Entertainment

7.2

Food

7.4

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.
KLM
7.8
Good
1,594 reviews
KLM
7.8
Good
1,594 reviews
Check prices

Entertainment

7.2

Food

7.4

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.
British Airways
6.7
Okay
8,267 reviews
KLM
7.8
Good
1,594 reviews
Check prices

Entertainment

7.2

Food

7.4

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Related info for your journey

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

    Currently priced at £658, 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 £658. 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 £665). Flying from Belfast Intl Airport to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of £1,990). 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
Sattahip
Ayutthaya
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£658Average£745FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£658Average£836FlexibilityNo cancel feeOn-time75%
Search KLM flights

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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?

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