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Flights from Cardiff to Seoul

What to know about flights from Cardiff to Seoul?

The distance between Cardiff and Seoul is approximately 9,009.68km. According to Trip.com data, travel demand is highest in July.

Cheapest one-way
£772
KLM KLM CWL-SEL 21h 35m · 1 stop Tue, Nov 17
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Cheapest return
£645
KLM KLM CWL-SEL 21h 35m · 2 stops Wed, Dec 9 - Thu, Dec 17
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Recommended airlines
KLM KLM Cheapest · From £772 KLM KLM Most booked
Best time to book
September
Cheapest
July
Peak season for travel
Route details
9,009.68km
Flight distance

Explore the cheapest one-way and round-trip flights from Cardiff to Seoul over the next 90 days, with one-way fares from £772 and round-trip from £645. Based on Trip.com's latest 7-day flight data.

      • CWL 10:20
        21h 35m
        1 stop
        ICN 16:55
        Cardiff - Seoul | Wed, Dec 9 | KLM
        ICN 12:10
        30h 40m
        1 stop
        CWL 09:50
        Seoul - Cardiff | Thu, Dec 17 | KLM
        £645 £2,066
        69% off
        69% off
        £2,066 £645
      • CWL 10:20
        23h 50m
        1 stop
        ICN 19:10
        Cardiff - Seoul | Thu, Nov 19 | KLM
        ICN 23:05
        19h 45m
        1 stop
        CWL 09:50
        Seoul - Cardiff | Thu, Nov 26 | KLM
        £645 £2,066
        69% off
        69% off
        £2,066 £645
      • CWL 17:15
        15h 10m
        1 stop
        ICN 16:25
        Cardiff - Seoul | Thu, Oct 29 | KLM
        ICN 12:10
        30h 40m
        1 stop
        CWL 09:50
        Seoul - Cardiff | Tue, Nov 3 | KLM
        £762 £2,066
        63% off
        63% off
        £2,066 £762
      • CWL 17:30
        14h 25m
        1 stop
        ICN 16:55
        Cardiff - Seoul | Mon, Nov 9 | KLM
        ICN 23:05
        26h 55m
        1 stop
        CWL 17:00
        Seoul - Cardiff | Fri, Nov 13 | KLM
        £855
        59% off
        £2,066 £855
      • CWL 09:45
        22h 40m
        1 stop
        ICN 16:25
        Cardiff - Seoul | Tue, Oct 27 | KLM
        ICN 23:05
        19h 45m
        1 stop
        CWL 09:50
        Seoul - Cardiff | Tue, Nov 3 | KLM
        £1,099
        47% off
        £2,066 £1,099
      • CWL 09:45
        22h 40m
        1 stop
        ICN 16:25
        Cardiff - Seoul | Fri, Oct 30 | KLM
        ICN 23:05
        19h 45m
        1 stop
        CWL 09:50
        Seoul - Cardiff | Fri, Nov 6 | KLM
        £1,238
        40% off
        £2,066 £1,238
      • CWL 09:45
        22h 40m
        1 stop
        ICN 16:25
        Cardiff - Seoul | Fri, Oct 16 | KLM
        ICN 11:55
        29h 20m
        1 stop
        CWL 09:15
        Seoul - Cardiff | Tue, Oct 20 | KLM
        £1,283
        38% off
        £2,066 £1,283
      • CWL 17:35
        15h 20m
        1 stop
        ICN 16:55
        Cardiff - Seoul | Sat, Oct 31 | KLM
        ICN 23:05
        19h 45m
        1 stop
        CWL 09:50
        Seoul - Cardiff | Sun, Nov 1 | KLM
        £1,380
        33% off
        £2,066 £1,380
      • CWL 17:30
        14h 20m
        1 stop
        ICN 16:50
        Cardiff - Seoul | Thu, Dec 10 | KLM
        ICN 23:05
        19h 45m
        1 stop
        CWL 09:50
        Seoul - Cardiff | Thu, Dec 17 | KLM
        £1,495
        28% off
        £2,066 £1,495
      • CWL 13:00
        17h 25m
        1 stop
        SEL 14:00
        Cardiff - Seoul | Thu, Oct 15 | Normal Airline
        SEL 15:00
        6h
        Direct
        CWL 16:00
        Seoul - Cardiff | Sat, Oct 17 | Normal Airline
        Find more flights
        Find more flights
      • CWL 10:20
        21h 35m
        1 stop
        ICN 16:55
        Cardiff - Seoul | Tue, Nov 17 | KLM
        £772 £4,763
        84% off
        84% off
        £4,763 £772
      • CWL 17:30
        14h 25m
        1 stop
        ICN 16:55
        Cardiff - Seoul | Sun, Nov 15 | KLM
        £775 £4,763
        84% off
        84% off
        £4,763 £775
      • CWL 09:45
        22h 40m
        1 stop
        ICN 16:25
        Cardiff - Seoul | Wed, Oct 14 | KLM
        £991 £4,763
        79% off
        79% off
        £4,763 £991
      • CWL 09:50
        22h 50m
        1 stop
        ICN 16:40
        Cardiff - Seoul | Mon, Nov 2 | KLM
        £994
        79% off
        £4,763 £994
      • CWL 17:15
        15h 10m
        1 stop
        ICN 16:25
        Cardiff - Seoul | Thu, Oct 29 | KLM
        £1,010
        79% off
        £4,763 £1,010
      • CWL 17:15
        15h 10m
        1 stop
        ICN 16:25
        Cardiff - Seoul | Sat, Oct 24 | KLM
        £1,399
        71% off
        £4,763 £1,399
      • CWL 13:00
        17h 25m
        1 stop
        SEL 14:00
        Cardiff - Seoul | Thu, Oct 15 | Normal Airline
        Find more flights
        Find more flights

Which airlines are the most popular for Cardiff to Seoul flights?

Choose from 1 airlines flying from Cardiff to Seoul, including KLM, and . KLM currently offers the cheapest ticket on this route.
KLM logo KLM
Airlines are determined based on actual purchased flight tickets from Cardiff to Seoul according to previous 12 months data from Trip.com.

Flight FAQs

  • Which airlines offer the cheapest flights from Cardiff to Seoul?

    Based on Trip.com data, KLM offers Cheapest nonstop one-way flights from £772 (for example, CWL–ICN on Tue, Nov 17). For a Cheapest nonstop return flight, KLM offers fares from £645, departing on Wed, Dec 9 and returning on Thu, Dec 17.
  • At the moment, several airlines serve connecting flights from Cardiff to Seoul, including: KLM Royal Dutch Airlines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Cardiff to Seoul is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Here are some tips for finding the best flight deals from Cardiff to Seoul on Trip.com:
    · Be flexible with your travel dates. The cheapest flight is currently on Tue, Nov 17, with one-way fares from just £772.
    · Compare airlines. KLM currently offers the lowest fares on this route.
    · Set up a price alert to track fare changes without searching every day.
    · Check Trip.com regularly for flight deals and available promo codes.
    · Avoid peak season or book early. July is generally the busiest month for travel to Seoul.
    · Get exclusive promo codes on the Trip.com app.
  • The cheapest month to book a flight from Cardiff to Seoul is usually September, when demand is lower.
  • After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Cardiff to Seoul on October 22, 2026 with KLM Royal Dutch Airlines, with prices starting at £762.
  • Flights to Seoul can arrive at: Gimpo International Airport (GMP) and Incheon International Airport (ICN). The most common route connects Cardiff Airport and Incheon International Airport (CWL–ICN).
  • The time difference between Seoul and Cardiff is 9h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Cardiff to Seoul is £1,036. Fares vary by travel date, airline and availability.
  • Enter Cardiff and Seoul, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveller details and complete payment to receive your confirmation.

More Flight Itineraries

Note: Prices shown on this page are the estimated lowest prices and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please visit the customer support pages.