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Cheap flights from Belfast Intl Airport to Bangkok Suvarnabhumi Airport from £267

BFS — BKK
6 Oct — 13 Oct1
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 1/1006:10 -
2 stops30h 10m
Sat 10/1014:50 -
2 stops35h 40m
Deal found 1/9£504
Mon 19/1006:10 -
2 stops24h 20m
Tue 10/1101:55 -
2 stops26h 35m
Deal found 4/9£560
Sun 18/1006:25 -
2 stops29h 00m
Sat 31/1014:40 -
3 stops29h 55m
Deal found 4/9£582
Mon 9/1106:40 -
3 stops27h 25m
Tue 10/1119:15 -
2 stops22h 55m
Deal found 3/9£587
Sat 3/1007:00 -
2 stops21h 20m
Fri 9/1000:05 -
1 stop20h 20m
Deal found 3/9£846

Find flight deals from Belfast Intl to Suvarnabhumi

Round-trip from

£504

One-way from

£267

Popular in

December

Cheapest in

September

Average price

£658
1/10-10/10
  • 1/10-10/10
  • 4 total stops
  • 65h 50m total
  • Belfast to Bangkok
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12/11-31/12
  • 12/11-31/12
  • 3 total stops
  • 37h 00m total
  • Belfast to Bangkok
Search Deals
Highest demand for flights based on searches. 29% potential increase in price (£272 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease (£75 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

Thu 12/11

14:40-10:40

3 stops37h 00m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£267
Fastest return journey

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Mon 9/11

17:30-07:20

3 stops30h 50m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£272

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Thu 31/12

06:30-01:30

2 stops36h 00m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£367

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Mon 19/10

06:10-12:30

2 stops24h 20m

Bangkok Suvarnabhumi

Tue 10/11

01:55-21:30

2 stops26h 35m

£560

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Mon 9/11

06:30-10:25

2 stops20h 55m

Bangkok Suvarnabhumi

Tue 10/11

18:05-21:30

2 stops34h 25m

£618

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Thu 1/10

09:15-17:25

3 stops26h 10m

Bangkok Suvarnabhumi

Fri 9/10

03:15-21:15

2 stops24h 00m

£652

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Sat 3/10

07:00-10:20

2 stops21h 20m

Bangkok Suvarnabhumi

Fri 9/10

00:05-14:25

1 stop20h 20m

£846

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Sun 18/10

13:25-06:35

1 stop35h 10m

Bangkok Suvarnabhumi

Sat 31/10

18:05-17:50

2 stops30h 45m

£885

Flights are sorted by cheapest return flights first.

Deals found on 1/9

Sorted by cheapest first

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 £658). Flying from Belfast Intl Airport to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of £1,970). 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 £652 and £686 in October.
The cheapest return price found within the last 5 days was £504 on Multiple Airlines (1 Oct–10 Oct).

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
1,568 reviews
Check prices

Comfort

7.7

Food

7.3

Boarding

7.8

Entertainment

7.2

Overall

7.8

Crew

8.4

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
1,568 reviews
KLM
7.8
Good
1,568 reviews
Check prices

Comfort

7.7

Food

7.3

Boarding

7.8

Entertainment

7.2

Overall

7.8

Crew

8.4

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
8,209 reviews
KLM
7.8
Good
1,568 reviews
Check prices

Comfort

7.7

Food

7.3

Boarding

7.8

Entertainment

7.2

Overall

7.8

Crew

8.4

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 £650, 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 £651. 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 £658). Flying from Belfast Intl Airport to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of £1,970). 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
Cha-am
Kanchanaburi
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£650Average£738FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£651Average£828FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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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?

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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