Cheap Flights from Seoul to London

FAQ

• Which airlines offer direct flights from Seoul to London?

  At the moment, you can catch a direct flight from Seoul to London with the following airlines, including: Asiana Airlines Korean Air T'Way Air Virgin Atlantic British Airways Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is the flight from Seoul (SEL) to London (LON)?

  It takes about 14 hours 38 minutes to fly from Seoul (SEL) to London (LON).

• When is the best time to book flights from Seoul to London?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seoul to London 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.

• How many flights are there per week from Seoul to London?

  Based on Trip.com data in the past 4 weeks, there is 14 flight per week flying from Seoul to London. You can check the weekly schedule for popular airlines on this route below: Asiana Airlines: S/M/T/W/T/F/S -- OZ521 (13:04) Korean Air: S/M/T/W/T/F/S -- KE907 (11:03) Virgin Atlantic: S/M/T/W/T/F/S -- VS5501 (11:03)

• When are flight tickets from Seoul (SEL) to London (LON) the cheapest?

  The cheapest months to fly from Seoul to London is December, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Seoul to London on?

  After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Seoul to London on November 29, 2025 with T'Way Air, with prices starting at £116.

• Which airports can I fly to for London from Seoul?

  You can land at any one of the following hubs in London, with Incheon International Airport to Heathrow Airport (ICN-LHR) is by far the most common option on this route: London City Airport (LCY) London Gatwick Airport (LGW) Heathrow Airport (LHR) London Luton Airport (LTN) London Southend Airport (SEN) London Stansted Airport (STN).

• Is there any time difference between Seoul and London?

  The time difference between London and Seoul is 9h.

• How do I change or cancel my ticket from Seoul to London?

  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.