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Cheap flights from Cardiff to Southeast Asia from £309

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 16/5. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — BKK
8 Apr — 15 Apr1
1 adult

Cheap 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 3 April 2025.

Round-trip from

£389

One-way from

£309

Popular in

August

Cheapest in

May

Average price

£888
KLM
  • KLM
  • 12/5-19/5
  • 3 total stops
  • 34h 20m total
  • Cardiff to Southeast Asia
Search Deals
16/5
  • 16/5
  • 3 total stops
  • 47h 45m total
  • Cardiff to Southeast Asia
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£45 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Cardiff to Southeast Asia

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 3 April 2025.

Mon 12/517:15CWL - KUL
1 stop15h 25mKLM
Mon 19/523:55KUL - CWL
1 stop16h 20mKLM
Deal found 1/4£569
Tue 3/609:50CWL - BKK
1 stop17h 40mKLM
Thu 26/612:05BKK - CWL
1 stop27h 10mKLM
Deal found 2/4£590
Mon 12/513:10CWL - KUL
2 stops19h 30mMultiple Airlines
Mon 19/521:20KUL - CWL
3 stops25h 35mMultiple Airlines
Deal found 1/4£607
Tue 3/617:15CWL - BKK
2 stops34h 00mMultiple Airlines
Thu 26/612:05BKK - CWL
1 stop27h 10mMultiple Airlines
Deal found 2/4£649
Sat 17/509:45CWL - HKT
2 stops26h 45mKLM
Sat 24/521:55HKT - CWL
2 stops41h 20mKLM
Deal found 2/4£683
Thu 24/417:15CWL - DPS
2 stops38h 00mKLM
Tue 20/515:15DPS - CWL
2 stops25h 00mKLM
Deal found 2/4£702
Fri 16/509:50CWL - MNL
2 stops25h 40mKLM
Fri 23/517:40MNL - CWL
2 stops22h 30mKLM
Deal found 1/4£745
Mon 21/417:15CWL - MNL
2 stops42h 15mMultiple Airlines
Wed 7/520:55MNL - CWL
2 stops43h 20mMultiple Airlines
Deal found 2/4£778
Sat 17/517:35CWL - HKT
2 stops24h 00mMultiple Airlines
Sat 24/510:15HKT - CWL
3 stops30h 20mMultiple Airlines
Deal found 2/4£850
Mon 23/610:00CWL - BKK
2 stops41h 15mAir France
Mon 21/711:35BKK - CWL
2 stops35h 10mAir France
Deal found 2/4£853
Sat 17/517:35CWL - USM
2 stops18h 40mKLM
Sat 24/507:00USM - CWL
2 stops32h 15mKLM
Deal found 2/4£900
Sat 17/509:00CWL - USM
3 stops30h 35mMultiple Airlines
Sat 24/507:00USM - CWL
3 stops33h 35mMultiple Airlines
Deal found 2/4£917

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 3 April 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

Mon 12/5

17:15-15:40

1 stop15h 25m

Kuala Lumpur Intl

Mon 19/5

21:20-09:15

2 stops18h 55m

£389

CardiffBangkok

CWL - BKK

CWLBKK

Cardiff Wales

Tue 3/6

09:50-09:30

1 stop17h 40m

Bangkok Suvarnabhumi

Thu 26/6

12:05-09:15

1 stop27h 10m

£590

CardiffKuala Lumpur

CWL - KUL

CWLKUL

Cardiff Wales

Mon 12/5

13:10-15:40

2 stops19h 30m

Kuala Lumpur Intl

Mon 19/5

21:20-15:55

3 stops25h 35m

£607

CardiffBangkok

CWL - BKK

CWLBKK

Cardiff Wales

Tue 3/6

17:15-09:15

2 stops34h 00m

Bangkok Suvarnabhumi

Thu 26/6

12:05-09:15

1 stop27h 10m

£649

CardiffPhuket City

CWL - HKT

CWLHKT

Cardiff Wales

Sat 17/5

09:45-18:30

2 stops26h 45m

Phuket City

Sat 24/5

21:55-09:15

2 stops41h 20m

£683

CardiffDenpasar

CWL - DPS

CWLDPS

Cardiff Wales

Thu 24/4

17:15-14:15

2 stops38h 00m

Denpasar Bali Ngurah Rai

Tue 20/5

15:15-09:15

2 stops25h 00m

£702

CardiffManila

CWL - MNL

CWLMNL

Cardiff Wales

Fri 16/5

09:50-18:30

2 stops25h 40m

Manila Ninoy Aquino Intl

Fri 23/5

17:40-09:10

2 stops22h 30m

£745

CardiffManila

CWL - MNL

CWLMNL

Cardiff Wales

Mon 21/4

17:15-18:30

2 stops42h 15m

Manila Ninoy Aquino Intl

Wed 7/5

20:55-09:15

2 stops43h 20m

£778

CardiffPhuket City

CWL - HKT

CWLHKT

Cardiff Wales

Sat 17/5

17:35-23:35

2 stops24h 00m

Phuket City

Sat 24/5

10:15-10:35

3 stops30h 20m

£850

CardiffBangkok

CWL - BKK

CWLBKK

Cardiff Wales

Mon 23/6

10:00-09:15

2 stops41h 15m

Bangkok Suvarnabhumi

Mon 21/7

11:35-16:45

2 stops35h 10m

£853

Flights are sorted by cheapest return flights first.

Deals found on 1/4

Showing 1-10 of 18 results
1
2

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 £730). Flying from Cardiff to Southeast Asia in December is currently the most expensive (average of £1,123). 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.

What is the cheapest time of day to fly from CWL to YJX?

Find hourly flight availability from Cardiff to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 April 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Cardiff to Southeast Asia as you normally would.

Rainfall in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Southeast Asia ranges from 10.0 - 320.0 inches per month. September is typically the wettest month, when rainfall can reach 320.0 mm. January is typically the driest time to visit Southeast Asia when rainfall is around 10.0 mm.

Temperature in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Southeast Asia, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

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 3 April 2025.
Read reviews from past customers who have flown KLM, Etihad Airways and Air France from Cardiff to Southeast Asia. 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
1,323 reviews
Check prices

Entertainment

7.2

Food

7.3

Boarding

7.8

Crew

8.4

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,323 reviews
KLM
7.8
Good
1,323 reviews
Check prices

Entertainment

7.2

Food

7.3

Boarding

7.8

Crew

8.4

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Etihad Airways
7.4
Good
1,184 reviews
KLM
7.8
Good
1,323 reviews
Check prices

Entertainment

7.2

Food

7.3

Boarding

7.8

Crew

8.4

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Air France
7.4
Good
1,427 reviews
KLM
7.8
Good
1,323 reviews
Check prices

Entertainment

7.2

Food

7.3

Boarding

7.8

Crew

8.4

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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.

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

    While some choose either Cardiff Wales - Denpasar Bali Ngurah Rai or Cardiff Wales - Bangkok Don Mueang Intl, 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 £730). Flying from Cardiff to Southeast Asia in December is currently the most expensive (average of £1,123). 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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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 3 April 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£585Average£1,004FlexibilityNo cancel feeOn-time75%
Search KLM flights
Etihad AirwaysCheapest£631Average£820FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights

Fly with Cheapflights

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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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