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Cheap flights from Cardiff to Southeast Asia from £288

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/2. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — BKK
8 Jan — 15 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cardiff to Southeast Asia

Enter your travel dates to find the best prices.

Cheapest flights from Cardiff to Southeast Asia
Explore the most affordable flight options available from Cardiff to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 December 2025.

Mon 8/1210:20CWL - SIN
2 stops22h 35mMultiple Airlines
Sat 13/1201:40SIN - CWL
1 stop16h 10mMultiple Airlines
Deal found 7/12£665
Mon 8/1217:15CWL - SIN
2 stops39h 40mKLM
Sat 13/1201:40SIN - CWL
1 stop16h 10mKLM
Deal found 7/12£697
Mon 15/1223:30CWL - BKK
3 stops32h 00mMultiple Airlines
Mon 22/1222:05BKK - CWL
3 stops30h 30mMultiple Airlines
Deal found 8/12£963
Sun 14/1217:30CWL - BKK
2 stops31h 00mKLM
Wed 14/109:15BKK - CWL
1 stop14h 40mKLM
Deal found 8/12£990
Fri 12/1217:15CWL - BKK
2 stops33h 00mKLM
Fri 19/1212:15BKK - CWL
1 stop28h 35mKLM
Deal found 7/12£1,038
Mon 15/1217:15CWL - BKK
1 stop33h 50mKLM
Mon 22/1212:15BKK - CWL
1 stop28h 35mKLM
Deal found 8/12£1,050
Sat 13/1217:25CWL - SIN
2 stops39h 30mKLM
Sat 20/1222:50SIN - CWL
2 stops18h 55mKLM
Deal found 8/12£1,264
Fri 12/1210:20CWL - MNL
3 stops30h 40mMultiple Airlines
Fri 19/1220:10MNL - CWL
3 stops35h 10mMultiple Airlines
Deal found 7/12£1,288
Fri 12/1210:20CWL - MNL
2 stops25h 10mKLM
Fri 19/1220:45MNL - CWL
2 stops28h 10mKLM
Deal found 7/12£1,706

Find flight deals from Cardiff to Southeast Asia

Keep the following information in mind while searching for Cardiff to Southeast Asia flight deals. Data was last updated 9 December 2025.

Round-trip from

£496

One-way from

£288

Popular in

December

Cheapest in

September

Average price

£1,137
15/1-22/1
  • 15/1-22/1
  • 4 total stops
  • 53h 05m total
  • Cardiff to Southeast Asia
Search Deals
27/2
  • 27/2
  • 3 total stops
  • 52h 40m total
  • Cardiff to Southeast Asia
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£93 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cardiff to Southeast Asia 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 9 December 2025.
Use the filters below to find and compare flights from Cardiff to Southeast Asia that are best for you.

Fly from

Cardiff

Fly to

Southeast Asia

Route

Depart

Return

Price

CardiffKuala Lumpur

CWL - KUL

CWLKUL

Cardiff Wales

Thu 15/1

10:30-17:20

2 stops22h 50m

Kuala Lumpur Intl

Thu 22/1

23:45-22:00

2 stops30h 15m

£496

CardiffSingapore

CWL - SIN

CWLSIN

Cardiff Wales

Wed 21/1

15:55-08:55

2 stops33h 00m

Singapore Changi

Wed 28/1

19:25-10:05

2 stops22h 40m

£630

CardiffBangkok

CWL - BKK

CWLBKK

Cardiff Wales

Fri 16/1

22:25-14:20

2 stops32h 55m

Bangkok Suvarnabhumi

Fri 23/1

22:20-19:40

3 stops28h 20m

£644

CardiffKuala Lumpur

CWL - KUL

CWLKUL

Cardiff Wales

Thu 22/1

17:25-22:30

2 stops21h 05m

Kuala Lumpur Intl

Thu 29/1

23:50-09:50

1 stop18h 00m

£649

CardiffBangkok

CWL - BKK

CWLBKK

Cardiff Wales

Sat 30/5

17:35-09:10

2 stops33h 35m

Bangkok Suvarnabhumi

Wed 17/6

11:20-16:45

2 stops35h 25m

£675

CardiffBangkok

CWL - BKK

CWLBKK

Cardiff Wales

Wed 21/1

15:55-18:40

2 stops19h 45m

Bangkok Suvarnabhumi

Tue 27/1

01:05-15:30

2 stops21h 25m

£682

CardiffSingapore

CWL - SIN

CWLSIN

Cardiff Wales

Thu 22/1

17:25-16:15

1 stop14h 50m

Singapore Changi

Wed 28/1

01:40-16:55

1 stop23h 15m

£685

CardiffKuala Lumpur

CWL - KUL

CWLKUL

Cardiff Wales

Thu 15/1

17:25-20:45

2 stops19h 20m

Kuala Lumpur Intl

Thu 22/1

23:50-16:45

1 stop24h 55m

£693

CardiffDenpasar

CWL - DPS

CWLDPS

Cardiff Wales

Wed 21/1

10:20-20:20

2 stops26h 00m

Denpasar Bali Ngurah Rai

Wed 28/1

21:40-09:50

2 stops20h 10m

£704

CardiffSingapore

CWL - SIN

CWLSIN

Cardiff Wales

Sat 10/1

20:05-10:00

2 stops29h 55m

Singapore Changi

Tue 27/1

23:25-15:30

2 stops24h 05m

£713

Flights are sorted by cheapest return flights first.

Deals found on 7/12

Showing 1-10 of 52 results
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Best time to book a flight from Cardiff to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Cardiff 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 Cardiff to Southeast Asia

What is the cheapest month to book a flight from Cardiff to Southeast Asia?

Currently, May is the cheapest month in which you can book a flight from Cardiff to Southeast Asia (average of £332). Flying from Cardiff to Southeast Asia in August is currently the most expensive (average of £621). 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.

Reviews of airlines servicing Southeast Asia

Get insights into the airlines that provide service to Southeast Asia. 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 Southeast Asia. Reviews last updated 9 December 2025.
Check out reviews from past customers who have flown with KLM and Etihad Airways from Cardiff to Southeast Asia to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,431 reviews
Check prices

Crew

8.3

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,431 reviews
KLM
7.7
Good
1,431 reviews
Check prices

Crew

8.3

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Etihad Airways
7.4
Good
1,329 reviews
KLM
7.7
Good
1,431 reviews
Check prices

Crew

8.3

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Southeast Asia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Cardiff to Southeast Asia?

    Located just 9.1 mi from the city center, Cardiff Wales (CWL) is the airport most travelers will use when flying to Southeast Asia from Cardiff.

  • How long is the flight from Cardiff to Southeast Asia?

    For as low as £649, KLM can have you in Southeast Asia from Cardiff in 21h 05m. Cardiff and Southeast Asia are separated by a distance of 6708 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Cardiff to Southeast Asia?

    While some choose either Cardiff Wales - Denpasar Bali Ngurah Rai or Cardiff Wales - Singapore Changi, Cardiff Wales - Bangkok Suvarnabhumi is the most popular route from Cardiff to Southeast Asia.

  • Can I find deals for flights from Cardiff to Southeast Asia that include hotel bookings?

    Yes. In addition to deals on Cardiff to Southeast Asia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cardiff to Southeast Asia?

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

  • Can I find deals for business class flights from Cardiff to Southeast Asia?

    Yes. Cheapflights offers flight deals from Cardiff to Southeast Asia 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 Cardiff to Southeast Asia?

    Currently, May is the cheapest month in which you can book a flight from Cardiff to Southeast Asia (average of £332). Flying from Cardiff to Southeast Asia in August is currently the most expensive (average of £621). 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

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Alternative routes for Cardiff to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Cardiff to Southeast Asia

Discover the top 2 airlines that operate flights from Cardiff to Southeast Asia. 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 9 December 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£568Average£978FlexibilityNo cancel feeOn-time75%
Search KLM flights
Etihad AirwaysCheapest£607Average£748FlexibilityNo cancel feeOn-time75%
Search Etihad 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 Cardiff to Southeast Asia?

Cheapflights helps you search for flights from Cardiff to Southeast Asia 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 Cardiff to Southeast Asia?

Cheapflights helps you find that perfect flight to Southeast Asia from Cardiff 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 Cardiff to Southeast Asia with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Cardiff to Southeast Asia flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Cardiff to Southeast Asia become cheaper?

Yes! Start tracking prices for Cardiff to Southeast Asia flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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