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Cheap flights from Cardiff to Southeast Asia from £282

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 14/11. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — BKK
3 Dec — 10 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 3 November 2025.

Mon 1/1223:30CWL - BKK
2 stops31h 40mMultiple Airlines
Tue 30/1205:50BKK - CWL
3 stops43h 55mMultiple Airlines
Deal found 2/11£573
Sun 30/1110:20CWL - KUL
1 stop21h 20mKLM
Sun 7/1223:50KUL - CWL
1 stop18h 00mKLM
Deal found 2/11£577
Sun 30/1110:20CWL - SIN
1 stop21h 55mKLM
Sun 7/1217:25SIN - CWL
2 stops24h 25mKLM
Deal found 2/11£674
Fri 5/1217:15CWL - BKK
2 stops22h 15mMultiple Airlines
Sun 21/1202:10BKK - CWL
2 stops45h 45mMultiple Airlines
Deal found 1/11£699
Wed 31/1207:55CWL - BKK
3 stops30h 10mMultiple Airlines
Sun 11/101:05BKK - CWL
3 stops46h 00mMultiple Airlines
Deal found 3/11£749
Sun 30/1110:20CWL - HKT
2 stops40h 30mKLM
Sun 7/1210:30HKT - CWL
2 stops37h 15mKLM
Deal found 2/11£763
Thu 6/1110:30CWL - HKT
2 stops26h 10mMultiple Airlines
Thu 13/1122:50HKT - CWL
3 stops30h 10mMultiple Airlines
Deal found 1/11£781
Thu 6/1110:30CWL - MNL
2 stops27h 20mMultiple Airlines
Thu 13/1118:30MNL - CWL
2 stops35h 30mMultiple Airlines
Deal found 1/11£795
Thu 27/1117:25CWL - BKK
2 stops32h 50mKLM
Thu 4/1209:30BKK - CWL
2 stops31h 20mKLM
Deal found 3/11£798
Sun 30/1121:20CWL - HKT
2 stops31h 45mMultiple Airlines
Sun 7/1221:15HKT - CWL
3 stops32h 50mMultiple Airlines
Deal found 2/11£806
Sun 30/1121:20CWL - KUL
2 stops26h 45mMultiple Airlines
Sun 7/1207:10KUL - CWL
3 stops47h 55mMultiple Airlines
Deal found 2/11£820
Sun 30/1121:20CWL - SIN
2 stops25h 30mMultiple Airlines
Sun 7/1223:55SIN - CWL
2 stops31h 10mMultiple Airlines
Deal found 2/11£881

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 November 2025.

Round-trip from

£573

One-way from

£282

Popular in

July

Cheapest in

September

Average price

£848
1/12-30/12
  • 1/12-30/12
  • 5 total stops
  • 75h 35m total
  • Cardiff to Southeast Asia
Search Deals
14/11
  • 14/11
  • 3 total stops
  • 50h 15m total
  • Cardiff to Southeast Asia
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£46 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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 3 November 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

Sun 30/11

10:20-15:40

1 stop21h 20m

Kuala Lumpur Intl

Sun 7/12

23:50-09:50

1 stop18h 00m

£577

CardiffBangkok

CWL - BKK

CWLBKK

Cardiff Wales

Mon 1/12

23:30-14:10

2 stops31h 40m

Bangkok Suvarnabhumi

Mon 29/12

01:10-15:30

3 stops45h 20m

£597

CardiffKuala Lumpur

CWL - KUL

CWLKUL

Cardiff Wales

Thu 12/3

10:20-22:30

2 stops28h 10m

Kuala Lumpur Intl

Mon 16/3

23:50-09:50

1 stop18h 00m

£657

CardiffSingapore

CWL - SIN

CWLSIN

Cardiff Wales

Sun 30/11

10:20-16:15

1 stop21h 55m

Singapore Changi

Sun 7/12

17:25-09:50

2 stops24h 25m

£674

CardiffBangkok

CWL - BKK

CWLBKK

Cardiff Wales

Fri 5/12

17:15-22:30

2 stops22h 15m

Bangkok Suvarnabhumi

Sun 21/12

02:10-16:55

2 stops45h 45m

£699

CardiffBangkok

CWL - BKK

CWLBKK

Cardiff Wales

Wed 31/12

07:55-21:05

3 stops30h 10m

Bangkok Suvarnabhumi

Sun 11/1

01:05-16:05

3 stops46h 00m

£749

CardiffPhuket City

CWL - HKT

CWLHKT

Cardiff Wales

Sun 30/11

10:20-09:50

2 stops40h 30m

Phuket City

Sun 7/12

10:30-16:45

2 stops37h 15m

£763

CardiffBangkok

CWL - BKK

CWLBKK

Cardiff Wales

Thu 27/11

17:25-09:15

2 stops32h 50m

Bangkok Suvarnabhumi

Thu 4/12

09:30-09:50

2 stops31h 20m

£798

CardiffPhuket City

CWL - HKT

CWLHKT

Cardiff Wales

Sun 30/11

21:20-12:05

2 stops31h 45m

Phuket City

Sun 7/12

21:15-23:05

3 stops32h 50m

£806

CardiffPhuket City

CWL - HKT

CWLHKT

Cardiff Wales

Thu 8/1

17:25-19:05

2 stops42h 40m

Phuket City

Thu 22/1

10:30-09:50

2 stops30h 20m

£830

Flights are sorted by cheapest return flights first.

Deals found on 2/11

Showing 1-10 of 46 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 £336). Flying from Cardiff to Southeast Asia in December is currently the most expensive (average of £647). 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 3 November 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
1,405 reviews
Check prices

Comfort

7.7

Boarding

7.8

Overall

7.7

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,405 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Comfort

7.7

Boarding

7.8

Overall

7.7

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Etihad Airways
7.4
Good
1,285 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Comfort

7.7

Boarding

7.8

Overall

7.7

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 £577, KLM can have you in Southeast Asia from Cardiff in 21h 20m. Cardiff and Southeast Asia are separated by a distance of 6708 mi.

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

    While some choose either Cardiff Wales - Phuket City or Cardiff Wales - Kuala Lumpur 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 £336). Flying from Cardiff to Southeast Asia in December is currently the most expensive (average of £647). 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 3 November 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£582Average£1,041FlexibilityNo cancel feeOn-time75%
Search KLM flights
Etihad AirwaysCheapest£622Average£755FlexibilityNo 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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