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Cheap flights from Cardiff to Seoul from £644

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Cardiff to Seoul departing on 19/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from Cardiff to Seoul

Cheap return flights

Enter your travel dates to find the best prices.
KLM Logo
10:20 - 16:55
CWL
-
ICN
21h 35m
1 stop
KLM Logo
23:05 - 09:50
ICN
-
CWL
19h 45m
1 stop
£644KLM
Thu, 19 Mar - Thu, 26 Mar
Multiple Airlines Logo
10:20 - 17:20
CWL
-
ICN
22h 00m
2 stops
Multiple Airlines Logo
12:40 - 09:50
ICN
-
CWL
30h 10m
2 stops
£657Multiple Airlines
Wed, 4 Mar - Wed, 11 Mar
KLM Logo
10:20 - 16:55
CWL
-
ICN
21h 35m
1 stop
KLM Logo
12:40 - 16:55
ICN
-
CWL
37h 15m
2 stops
£662KLM
Wed, 4 Mar - Wed, 11 Mar
KLM Logo
10:20 - 16:55
CWL
-
ICN
21h 35m
1 stop
KLM Logo
12:40 - 09:50
ICN
-
CWL
30h 10m
2 stops
£676KLM
Thu, 19 Mar - Thu, 26 Mar
KLM Logo
17:25 - 10:30
CWL
-
ICN
32h 05m
2 stops
KLM Logo
12:40 - 09:50
ICN
-
CWL
30h 10m
2 stops
£701KLM
Thu, 19 Mar - Thu, 26 Mar
KLM Logo
17:25 - 10:30
CWL
-
ICN
32h 05m
2 stops
KLM Logo
12:40 - 16:55
ICN
-
CWL
37h 15m
2 stops
£709KLM
Wed, 18 Mar - Wed, 25 Mar
Multiple Airlines Logo
15:55 - 12:45
CWL
-
ICN
35h 50m
3 stops
Multiple Airlines Logo
09:50 - 09:50
ICN
-
CWL
33h 00m
2 stops
£746Multiple Airlines
Wed, 18 Mar - Wed, 25 Mar
KLM Logo
17:25 - 16:55
CWL
-
ICN
14h 30m
1 stop
KLM Logo
12:40 - 09:50
ICN
-
CWL
30h 10m
2 stops
£783KLM
Wed, 18 Mar - Wed, 25 Mar
Multiple Airlines Logo
15:55 - 12:45
CWL
-
ICN
35h 50m
3 stops
Multiple Airlines Logo
11:35 - 10:05
ICN
-
CWL
31h 30m
3 stops
£813Multiple Airlines
Wed, 18 Mar - Wed, 25 Mar
Multiple Airlines Logo
10:30 - 01:35
CWL
-
ICN
30h 05m
3 stops
Multiple Airlines Logo
12:40 - 09:50
ICN
-
CWL
30h 10m
2 stops
£981Multiple Airlines
Thu, 19 Mar - Thu, 26 Mar

KLM flights from Cardiff to Seoul

Our best KLM deals on Cardiff to Seoul flight tickets
KLM
19 Mar
CWL10:20Cardiff Wales
21h 35m
1 stop
ICN16:55Incheon Intl
26 Mar
ICN23:05Incheon Intl
19h 45m
1 stop
CWL09:50Cardiff Wales
£644
KLM
4 Mar
CWL10:20Cardiff Wales
21h 35m
1 stop
ICN16:55Incheon Intl
11 Mar
ICN12:40Incheon Intl
37h 15m
2 stops
CWL16:55Cardiff Wales
£662
KLM
19 Mar
CWL10:20Cardiff Wales
21h 35m
1 stop
ICN16:55Incheon Intl
26 Mar
ICN12:40Incheon Intl
30h 10m
2 stops
CWL09:50Cardiff Wales
£676

momondo 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, momondo users made 279,928 searches. Data last updated 3 February 2026.
Use the filters below to find and compare flights from Cardiff to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CardiffIncheon

CWL - ICN

CWLICN

Cardiff Wales

Thu 19/3

10:20-16:55

1 stop21h 35m

Incheon Intl

Thu 26/3

23:05-09:50

1 stop19h 45m

£644

CardiffIncheon

CWL - ICN

CWLICN

Cardiff Wales

Wed 4/3

10:20-17:20

2 stops22h 00m

Incheon Intl

Wed 11/3

12:40-09:50

2 stops30h 10m

£657

CardiffIncheon

CWL - ICN

CWLICN

Cardiff Wales

Wed 4/3

10:20-16:55

1 stop21h 35m

Incheon Intl

Wed 11/3

12:40-16:55

2 stops37h 15m

£662

CardiffIncheon

CWL - ICN

CWLICN

Cardiff Wales

Thu 19/3

10:20-16:55

1 stop21h 35m

Incheon Intl

Thu 26/3

12:40-09:50

2 stops30h 10m

£676

CardiffIncheon

CWL - ICN

CWLICN

Cardiff Wales

Thu 19/3

17:25-10:30

2 stops32h 05m

Incheon Intl

Thu 26/3

12:40-09:50

2 stops30h 10m

£701

CardiffIncheon

CWL - ICN

CWLICN

Cardiff Wales

Wed 18/3

17:25-10:30

2 stops32h 05m

Incheon Intl

Wed 25/3

12:40-16:55

2 stops37h 15m

£709

CardiffIncheon

CWL - ICN

CWLICN

Cardiff Wales

Wed 18/3

15:55-12:45

3 stops35h 50m

Incheon Intl

Wed 25/3

09:50-09:50

2 stops33h 00m

£746

CardiffIncheon

CWL - ICN

CWLICN

Cardiff Wales

Wed 18/3

17:25-16:55

1 stop14h 30m

Incheon Intl

Wed 25/3

12:40-09:50

2 stops30h 10m

£783

CardiffIncheon

CWL - ICN

CWLICN

Cardiff Wales

Wed 18/3

15:55-12:45

3 stops35h 50m

Incheon Intl

Wed 25/3

11:35-10:05

3 stops31h 30m

£813

CardiffIncheon

CWL - ICN

CWLICN

Cardiff Wales

Thu 19/3

10:30-01:35

3 stops30h 05m

Incheon Intl

Thu 26/3

12:40-09:50

2 stops30h 10m

£981

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from Cardiff to Seoul

Are you open to changing your travel dates? Check out the ideal times to fly from Cardiff to Seoul according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Cardiff to Seoul (CWL to SEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cardiff to Seoul

Fastest flight time

21h 35m

Direct flights

None
The fastest flight from Cardiff to Seoul takes 21h 35m
There are no direct flights from Cardiff to Seoul. There are no popular flight routes from Cardiff to Seoul.
Search flight deals

  • How far is Cardiff Wales to Seoul by plane?

    A flight from Cardiff Wales to Seoul will travel around 5584.9 mi. A reasonable flight in good conditions will take 21h 35m.

  • When did momondo last update prices for flights from Cardiff Wales Airport to Seoul?

    Prices for flights from Cardiff Wales Airport to Seoul refresh daily.

  • How old do you have to be to fly from Cardiff Wales Airport to Seoul?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cardiff Wales Airport to Seoul.

  • What documentation or ID do you need to fly to Seoul?

    The necessary travel and health documents for your Seoul trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Cardiff to Seoul?

  • How do I get Price Alerts for flights from Cardiff to Seoul?

    Confirm your travel details to search for the latest offers for flights from Cardiff to Seoul. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Cardiff to Seoul with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

Why should I use momondo to find a flight deal from Cardiff to Seoul?

It is quick and easy to find Cardiff to Seoul flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seoul that suits you.

Can I find flights from Cardiff to Seoul with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seoul from Cardiff with this policy.

How can momondo help me find flights from Cardiff to Seoul?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seoul from Cardiff.

I’m not ready to book a flight from Cardiff to Seoul right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Seoul from Cardiff. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 30.3 mi from Seoul
Seoul Gimpo Intl Airport
Incheon Intl Airport