Find flights
When to book
Airlines
FAQs

Cheap flights from Belfast Intl Airport to Bangkok from £487

BFS — BKK
29 Sep — 6 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast Intl to Bangkok

Enter your travel dates to find the best prices.

Cheapest flights from Belfast Intl to Bangkok

Wed 23/906:10 -
2 stops25h 25m
Wed 30/919:35 -
2 stops20h 20m
Deal found 26/8£487
Mon 19/1008:40 -
3 stops26h 45m
Sun 8/1114:55 -
2 stops33h 10m
Deal found 26/8£491
Wed 21/1009:55 -
3 stops25h 30m
Sat 31/1014:40 -
3 stops29h 55m
Deal found 27/8£550
Wed 21/1009:55 -
3 stops25h 30m
Mon 2/1115:05 -
3 stops26h 35m
Deal found 25/8£567
Fri 16/1017:30 -
2 stops32h 20m
Mon 26/1009:20 -
1 stop19h 05m
Deal found 25/8£572

Find flight deals from Belfast Intl to Bangkok

Round-trip from

£487

Popular in

December

Cheapest in

September

Average price

£677
23/9-30/9
  • 23/9-30/9
  • 4 total stops
  • 45h 45m total
  • Belfast to Bangkok
Search Deals
Highest demand for flights based on searches. 29% potential increase in price (£270 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 August 2026
Search Deals

Cheapflights Fare Finder

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

Wed 23/9

06:10-13:35

2 stops25h 25m

Bangkok Suvarnabhumi

Wed 30/9

19:35-09:55

2 stops20h 20m

£487

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Mon 19/10

06:10-12:30

2 stops24h 20m

Bangkok Suvarnabhumi

Sat 7/11

01:55-10:10

2 stops39h 15m

£544

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Wed 21/10

09:55-17:25

3 stops25h 30m

Bangkok Suvarnabhumi

Sat 31/10

14:40-13:35

3 stops29h 55m

£550

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Fri 16/10

17:30-07:50

2 stops32h 20m

Bangkok Suvarnabhumi

Mon 26/10

09:20-21:25

1 stop19h 05m

£572

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Wed 21/10

05:55-17:25

3 stops29h 30m

Bangkok Suvarnabhumi

Mon 2/11

08:30-21:40

2 stops20h 10m

£705
Fastest return journey

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Sun 14/2

07:15-06:50

1 stop16h 35m

Bangkok Suvarnabhumi

Sun 28/2

08:05-22:05

2 stops21h 00m

£739

BelfastBangkok

BFS Belfast Intl - BKK Bangkok Suvarnabhumi

BFSBKK

Belfast Intl

Wed 17/2

08:20-12:50

1 stop21h 30m

Bangkok Suvarnabhumi

Sun 28/2

08:05-22:05

2 stops21h 00m

£762

Flights are sorted by cheapest return flights first.

Deals found on 26/8

Sorted by cheapest first

Best time to book a flight from Belfast Intl to Bangkok

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

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

Currently, September is the cheapest month in which you can book a flight from Belfast Intl Airport to Bangkok (average of £657). Flying from Belfast Intl Airport to Bangkok in December is currently the most expensive (average of £1,967). 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?

Airfare is below average for this route at the moment.
Belfast Intl Airport to Bangkok flights typically cost between £651 and £685 in September.
The cheapest return price found within the last 5 days was £487 on Multiple Airlines (23 Sept–30 Sept).

Reviews of airlines servicing Bangkok

Check out reviews from past customers who have flown with KLM and British Airways from Belfast Intl Airport to Bangkok to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,567 reviews
Check prices

Comfort

7.7

Boarding

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Meghana,Aug 2026

QRO - ATL

It was a good one. They were very friendly and helpful
KLM
7.8
Good
1,567 reviews
KLM
7.8
Good
1,567 reviews
Check prices

Comfort

7.7

Boarding

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Meghana,Aug 2026

QRO - ATL

It was a good one. They were very friendly and helpful
British Airways
6.7
Okay
8,195 reviews
KLM
7.8
Good
1,567 reviews
Check prices

Comfort

7.7

Boarding

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Meghana,Aug 2026

QRO - ATL

It was a good one. They were very friendly and helpful

Related info for your journey

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

    Cheapflights users have booked flights from Belfast Intl Airport to Bangkok round-trip from £649. Another airline that can offer you cheap pricing is KLM. Users have found that British Airways is 25% cheaper than the other options available to this destination.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Belfast Intl Airport to Bangkok (average of £657). Flying from Belfast Intl Airport to Bangkok in December is currently the most expensive (average of £1,967). 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

Alternative routes for Belfast Intl to Bangkok

Belfast Intl to Suvarnabhumi flights
Belfast City to Suvarnabhumi flights
Belfast Intl to Phuket City flights
Belfast Intl to Chiang Mai flights
Belfast City to Chiang Mai flights

Top 2 airlines flying from Belfast Intl to Bangkok

AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£649Average£737FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£650Average£827FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Belfast Intl to Bangkok via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight to Bangkok 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 Bangkok with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Belfast Intl 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 Intl to Bangkok become cheaper?

Of course! You can now track prices for flights from Belfast Intl to Bangkok 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.