Cheap Flights Jeju City to Seoul from £13

Flight FAQs

• Which airlines offer the cheapest flights from Jeju City to Seoul?

  Based on Trip.com data, Trinity Airways offers Cheapest nonstop one-way flights from £13 (for example, CJU–GMP on Thu, Sep 17). For a Cheapest nonstop return flight, Trinity Airways offers fares from £26, departing on Thu, Sep 17 and returning on Mon, Sep 21.

• Which airlines offer direct flights from Jeju City to Seoul?

  At the moment, you can catch a direct flight from Jeju City to Seoul with the following airlines, including: Jeju Air Trinity Airways Eastar Jet Jin Air Korean Air Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is a flight from Jeju City to Seoul?

  A flight from Jeju City (CJU) to Seoul (SEL) takes an average of 1 hour 13 minutes.

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

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

• How many flights are there from Jeju City to Seoul each week?

  On average, 425 direct flights operate each week between Jeju City and Seoul. See below the schedules of the main airlines serving this route:
  Trinity Airways: S/M/T/W/T/F/S – TW706 (departure at 09:04) Jin Air: S/M/T/W/T/F/S – LJ508 (departure at 13:40) Asiana Airlines: S/M/T/W/T/F/S – OZ8914 (departure at 09:08)

• How can I find the best deals on flights from Jeju City to Seoul?

  Here are some tips for finding the best flight deals from Jeju City to Seoul on Trip.com:
  · Be flexible with your travel dates. The cheapest flight is currently on Thu, Sep 17, with one-way fares from just £13.
  · Compare airlines. Trinity Airways 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. January is generally the busiest month for travel to Seoul.
  · Get exclusive promo codes on the Trip.com app.

• When is the best time to book a flight from Jeju City to Seoul to get the best price?

  The cheapest month to book a flight from Jeju City to Seoul is usually September, when demand is lower.

• Which upcoming date is the cheapest for flights from Jeju City to Seoul?

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Jeju City to Seoul on September 17, 2026 with Trinity Airways, with prices starting at £6.

• Which airports should you choose for flights from Jeju City to Seoul?

  Flights to Seoul can arrive at: Gimpo International Airport (GMP) and Incheon International Airport (ICN). The most common route connects Jeju International Airport and Gimpo International Airport (CJU–GMP).

• What is the time difference between Jeju City and Seoul?

  The time difference between Seoul and Jeju City is 0m.

• How can I change or cancel my flight ticket from Jeju City to Seoul?

  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.

• What is the average price of a one-way flight from Jeju City to Seoul?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Jeju City to Seoul is £64. Fares vary by travel date, airline and availability.

• What is the average price of a return flight from Jeju City to Seoul?

  Based on Trip.com data for flights departing in the next 30 days, the average return fare from Jeju City to Seoul is £82. Fares vary by travel date, airline and availability.

• How do I book flights from Jeju City to Seoul on Trip.com?

  Enter Jeju City 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.

• Are there budget airlines on the Jeju City to Seoul route?

  Trinity Airways, Eastar Jet and Jeju Airare the most popular budget airlines flying from Jeju City to Seoul. Check baggage, seat and payment fees before comparing the final price.