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Cheap flights from Cardiff to Seoul from £764

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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — SEL
20 Jul — 27 Jul1
1 adult

Cheap 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 15 July 2025.

Popular in

March

Cheapest in

November

Average price

£791
Highest demand for flights based on searches. 7% potential increase in price (£49 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£22 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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Find flight deals from Cardiff to Seoul

One-way flights from Cardiff to Seoul
Search for one-way flight options from Cardiff to Seoul. Find affordable one-way fares based on user searches. Data last updated 15 July 2025.

Sun 3/820:45CWL - ICN
2 stops35h 40mMultiple Airlines
Deal found 14/7£764
Sun 3/809:50CWL - ICN
1 stop22h 50mKLM
Deal found 14/7£929

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 15 July 2025.
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

Sun 3/8

20:45-16:25

2 stops35h 40m

£764

CardiffIncheon

CWL - ICN

CWLICN

Cardiff Wales

Sun 3/8

09:50-16:40

1 stop22h 50m

£929

Flights are sorted by cheapest return flights first.

Deals found on 14/7

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.

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. 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 Seoul. Reviews last updated 15 July 2025.
Read reviews from past customers who have flown with KLM from Cardiff to Seoul. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,372 reviews
Check prices

Food

7.3

Entertainment

7.1

Crew

8.4

Comfort

7.7

Overall

7.8

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,372 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Food

7.3

Entertainment

7.1

Crew

8.4

Comfort

7.7

Overall

7.8

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

  • 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.

  • What is the cheapest month to book a flight from Cardiff to Seoul?

    Currently, November is the cheapest month in which you can book a flight from Cardiff to Seoul (average of £638). Flying from Cardiff to Seoul in July is currently the most expensive (average of £1,142). 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 Seoul

See prices for flight routes from nearby airports that may be better suited for you.
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