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Cheap flights from Cardiff to Seoul from £366

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 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — SEL
27 Feb — 6 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cardiff to Seoul

Enter your travel dates to find the best prices.

Cheapest flights from Cardiff to Seoul
Explore the most affordable flight options available from Cardiff to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 January 2026.

Fri 13/317:15
CWL
-
ICN
2 stops56h 15m
KLM
Fri 20/323:05
ICN
-
CWL
1 stop19h 45m
KLM
Deal found 27/1£644
Fri 13/310:20
CWL
-
ICN
2 stops20h 45m
Multiple Airlines
Fri 20/318:25
ICN
-
CWL
3 stops31h 30m
Multiple Airlines
Deal found 27/1£962
Fri 17/417:15
CWL
-
ICN
2 stops56h 20m
KLM
Fri 1/522:25
ICN
-
CWL
1 stop18h 50m
KLM
Deal found 27/1£1,276
Fri 17/417:15
CWL
-
ICN
2 stops56h 20m
Multiple Airlines
Fri 1/519:45
ICN
-
CWL
3 stops53h 00m
Multiple Airlines
Deal found 27/1£1,771

Find flight deals from Cardiff to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 January 2026.

Round-trip from

£644

One-way from

£366

Popular in

March

Cheapest in

January

Average price

£600
KLM
  • KLM
  • 13/3-20/3
  • 3 total stops
  • 76h 00m total
  • Cardiff to Seoul
Search Deals
14/4
  • 14/4
  • 3 total stops
  • 39h 00m total
  • Cardiff to Seoul
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£70 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£34 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cardiff to Seoul 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 28 January 2026.
Use the filters below to find and compare flights from Cardiff to Seoul that are best for you.

Fly from

Cardiff

Fly to

Seoul

Route

Depart

Return

Price

CardiffIncheon

CWL - ICN

CWLICN

Cardiff Wales

Fri 13/3

17:15-10:30

2 stops56h 15m

Incheon Intl

Fri 20/3

23:05-09:50

1 stop19h 45m

£644

CardiffIncheon

CWL - ICN

CWLICN

Cardiff Wales

Fri 13/3

10:20-16:05

2 stops20h 45m

Incheon Intl

Fri 20/3

18:25-16:55

3 stops31h 30m

£962

CardiffIncheon

CWL - ICN

CWLICN

Cardiff Wales

Fri 17/4

17:15-09:35

2 stops56h 20m

Incheon Intl

Fri 1/5

22:25-09:15

1 stop18h 50m

£1,276

CardiffIncheon

CWL - ICN

CWLICN

Cardiff Wales

Fri 17/4

17:15-09:35

2 stops56h 20m

Incheon Intl

Fri 1/5

19:45-16:45

3 stops53h 00m

£1,771

CardiffIncheon

CWL - ICN

CWLICN

Cardiff Wales

Tue 14/4

09:45-16:25

1 stop22h 40m

£670

Flights are sorted by cheapest return flights first.

Deals found on 27/1

Best time to book a flight from Cardiff to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul 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 Seoul
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Seoul. 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 Seoul?

    Located just 9.1 mi from the city center, Cardiff Wales is the airport most travelers will use when flying to Seoul from Cardiff. Booking flights from Cardiff Wales (CWL) to Seoul should be relatively easy as there are 0 daily outbound flights to Seoul from 0 different airlines.

  • How long is the flight from Cardiff to Seoul?

    There are many flights that can get you from Cardiff to Seoul in 56h 15m. Fly via KLM to get the fastest option. Airlines will cover a distance of 5586 mi.

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

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

  • How can I find direct flights from Cardiff to Seoul?

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

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

    Yes. Cheapflights offers flight deals from Cardiff to Seoul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Cardiff to Seoul

See prices for flight routes from nearby airports that may be better suited for you.
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Can Cheapflights find flights from Cardiff to Seoul with no change fees?

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

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