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Cheap flights from Cardiff to Seoul from £581

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cardiff to Seoul departing on 20/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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.
Multiple Airlines Logo
10:20 - 21:50CWL-ICN
26h 30m2 stops
Multiple Airlines Logo
13:10 - 22:00ICN-CWL
41h 50m3 stops
£605Multiple Airlines
Find Deal
Thu, 4 Dec - Thu, 11 Dec
Multiple Airlines Logo
17:25 - 13:30CWL-ICN
35h 05m3 stops
Multiple Airlines Logo
13:10 - 22:00ICN-CWL
41h 50m3 stops
£619Multiple Airlines
Find Deal
Thu, 4 Dec - Thu, 11 Dec
KLM Logo
17:25 - 16:55CWL-ICN
14h 30m1 stop
KLM Logo
23:05 - 16:45ICN-CWL
26h 40m1 stop
£632KLM
Find Deal
Thu, 4 Dec - Thu, 11 Dec
KLM Logo
17:25 - 16:55CWL-ICN
14h 30m1 stop
KLM Logo
12:40 - 09:50ICN-CWL
30h 10m2 stops
£657KLM
Find Deal
Thu, 4 Dec - Thu, 11 Dec
KLM Logo
17:25 - 16:55CWL-ICN
14h 30m1 stop
KLM Logo
23:05 - 09:50ICN-CWL
19h 45m1 stop
£702KLM
Find Deal
Wed, 4 Mar - Sun, 8 Mar
KLM Logo
17:25 - 16:55CWL-ICN
14h 30m1 stop
KLM Logo
23:05 - 09:50ICN-CWL
19h 45m1 stop
£703KLM
Find Deal
Wed, 4 Mar - Sun, 8 Mar
KLM Logo
17:25 - 10:30CWL-ICN
32h 05m2 stops
KLM Logo
12:40 - 16:45ICN-CWL
37h 05m2 stops
£710KLM
Find Deal
Thu, 4 Dec - Thu, 11 Dec
KLM Logo
17:25 - 16:55CWL-ICN
14h 30m1 stop
KLM Logo
23:05 - 09:50ICN-CWL
19h 45m1 stop
£716KLM
Find Deal
Wed, 4 Mar - Sun, 8 Mar
KLM Logo
10:20 - 16:55CWL-ICN
21h 35m1 stop
KLM Logo
12:40 - 09:50ICN-CWL
54h 10m2 stops
£726KLM
Find Deal
Wed, 4 Mar - Sun, 8 Mar
KLM Logo
17:25 - 16:55CWL-ICN
14h 30m1 stop
KLM Logo
12:40 - 09:50ICN-CWL
30h 10m2 stops
£743KLM
Find Deal
Wed, 4 Mar - Sun, 8 Mar

KLM flights from Cardiff to Seoul

Our best KLM deals on Cardiff to Seoul flight tickets
KLM
4 Dec
CWL17:25Cardiff Wales
14h 30m
1 stop
ICN16:55Incheon Intl
11 Dec
ICN23:05Incheon Intl
26h 40m
1 stop
CWL16:45Cardiff Wales
£632
Find similar
KLM
4 Dec
CWL17:25Cardiff Wales
14h 30m
1 stop
ICN16:55Incheon Intl
11 Dec
ICN12:40Incheon Intl
30h 10m
2 stops
CWL09:50Cardiff Wales
£657
Find similar
KLM
4 Mar
CWL17:25Cardiff Wales
14h 30m
1 stop
ICN16:55Incheon Intl
8 Mar
ICN23:05Incheon Intl
19h 45m
1 stop
CWL09:50Cardiff Wales
£702
Find similar

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 22 October 2025.
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 4/12

10:20-21:50

2 stops26h 30m

Incheon Intl

Thu 11/12

13:10-22:00

3 stops41h 50m

£605

CardiffIncheon

CWL - ICN

CWLICN

Cardiff Wales

Thu 4/12

17:25-13:30

3 stops35h 05m

Incheon Intl

Thu 11/12

13:10-22:00

3 stops41h 50m

£619

CardiffIncheon

CWL - ICN

CWLICN

Cardiff Wales

Thu 4/12

17:25-16:55

1 stop14h 30m

Incheon Intl

Thu 11/12

23:05-16:45

1 stop26h 40m

£632

CardiffIncheon

CWL - ICN

CWLICN

Cardiff Wales

Thu 4/12

17:25-16:55

1 stop14h 30m

Incheon Intl

Thu 11/12

12:40-09:50

2 stops30h 10m

£657

CardiffIncheon

CWL - ICN

CWLICN

Cardiff Wales

Wed 4/3

17:25-16:55

1 stop14h 30m

Incheon Intl

Sun 8/3

23:05-09:50

1 stop19h 45m

£702

CardiffIncheon

CWL - ICN

CWLICN

Cardiff Wales

Wed 4/3

17:25-16:55

1 stop14h 30m

Incheon Intl

Sun 8/3

23:05-09:50

1 stop19h 45m

£703

CardiffIncheon

CWL - ICN

CWLICN

Cardiff Wales

Thu 4/12

17:25-10:30

2 stops32h 05m

Incheon Intl

Thu 11/12

12:40-16:45

2 stops37h 05m

£710

CardiffIncheon

CWL - ICN

CWLICN

Cardiff Wales

Wed 4/3

17:25-16:55

1 stop14h 30m

Incheon Intl

Sun 8/3

23:05-09:50

1 stop19h 45m

£716

CardiffIncheon

CWL - ICN

CWLICN

Cardiff Wales

Wed 4/3

10:20-16:55

1 stop21h 35m

Incheon Intl

Sun 8/3

12:40-09:50

2 stops54h 10m

£726

CardiffIncheon

CWL - ICN

CWLICN

Cardiff Wales

Wed 4/3

17:25-16:55

1 stop14h 30m

Incheon Intl

Sun 8/3

12:40-09:50

2 stops30h 10m

£743

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Seoul from

How to get the cheapest flight ticket from Cardiff to Seoul

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Cardiff and Seoul?

What is the cheapest day to depart on your flight to Seoul?

The cheapest day to depart from Cardiff to Seoul is on a Sunday when prices can be found for as low as £742. Flights from Cardiff to Seoul on a Saturday will generally be more expensive and average around £930. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Direct flights

None
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 14h 30m.

  • 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?

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