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Cheap Flights from Seoul to Jeju City

Flying from Seoul to Jeju City

The distance between Seoul and Jeju City is approximately 447.88km. The average flight time between Seoul and Jeju City is 1 hour 15 minutes. According to Trip.com data, travel demand is highest in July. September is generally the cheapest month to book.

Cheapest one-way
S$ 22
T'Way Air T'Way Air SEL-CJU 1h 15m · Direct Wed, Sep 16
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Cheapest return
S$ 46
T'Way Air T'Way Air SEL-CJU 1h 15m · Direct Tue, Sep 1 - Thu, Sep 3
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Recommended airlines
T'Way Air T'Way Air Cheapest · From S$ 22 Korean Air Korean Air Most booked
Best time to book
March
Cheapest
July
Peak season for travel
Route details
447.88km
Flight distance
1h 15m
Average flight time

Explore the cheapest flights from Seoul to Jeju City in the next three months. Based on Trip.com's data from the latest 7 days, one-way direct flights start at S$ 22, and round-trip direct tickets start at S$ 46.

      • Cheapest nonstop
        GMP 18:30
        1h 15m
        Direct
        CJU 19:45
        Seoul - Jeju City | Tue, Sep 1 | T'Way Air
        CJU 07:50
        1h 15m
        Direct
        GMP 09:05
        Jeju City - Seoul | Thu, Sep 3 | T'Way Air
        S$ 46 S$ 53
        13% off
        13% off
        S$ 53 S$ 46
      • GMP 18:30
        1h 15m
        Direct
        CJU 19:45
        Seoul - Jeju City | Tue, Sep 15 | T'Way Air
        CJU 07:50
        1h 15m
        Direct
        GMP 09:05
        Jeju City - Seoul | Thu, Sep 17 | T'Way Air
        S$ 47 S$ 53
        11% off
        11% off
        S$ 53 S$ 47
      • GMP 19:00
        1h 15m
        Direct
        CJU 20:15
        Seoul - Jeju City | Wed, Sep 2 | T'Way Air
        CJU 07:50
        1h 15m
        Direct
        GMP 09:05
        Jeju City - Seoul | Wed, Sep 9 | T'Way Air
        S$ 47 S$ 53
        11% off
        11% off
        S$ 53 S$ 47
      • GMP 18:15
        1h 15m
        Direct
        CJU 19:30
        Seoul - Jeju City | Tue, Sep 1 | Air Seoul
        CJU 07:50
        1h 15m
        Direct
        GMP 09:05
        Jeju City - Seoul | Thu, Sep 3 | T'Way Air
        S$ 48
        9% off
        S$ 53 S$ 48
      • GMP 19:10
        1h 15m
        Direct
        CJU 20:25
        Seoul - Jeju City | Wed, Sep 2 | Eastar Jet
        CJU 07:50
        1h 15m
        Direct
        GMP 09:05
        Jeju City - Seoul | Wed, Sep 9 | T'Way Air
        S$ 48
        9% off
        S$ 53 S$ 48
      • GMP 17:55
        1h 15m
        Direct
        CJU 19:10
        Seoul - Jeju City | Tue, Sep 1 | Eastar Jet
        CJU 07:50
        1h 15m
        Direct
        GMP 09:05
        Jeju City - Seoul | Thu, Sep 3 | T'Way Air
        S$ 48
        9% off
        S$ 53 S$ 48
      • GMP 19:20
        1h 15m
        Direct
        CJU 20:35
        Seoul - Jeju City | Mon, Aug 31 | Eastar Jet
        CJU 07:50
        1h 15m
        Direct
        GMP 09:05
        Jeju City - Seoul | Thu, Sep 3 | T'Way Air
        S$ 48
        9% off
        S$ 53 S$ 48
      • GMP 18:15
        1h 15m
        Direct
        CJU 19:30
        Seoul - Jeju City | Tue, Sep 15 | Air Seoul
        CJU 07:55
        1h 15m
        Direct
        GMP 09:10
        Jeju City - Seoul | Thu, Sep 17 | Air Seoul
        S$ 49
        8% off
        S$ 53 S$ 49
      • GMP 17:30
        1h 15m
        Direct
        CJU 18:45
        Seoul - Jeju City | Mon, Aug 31 | T'Way Air
        CJU 07:50
        1h 15m
        Direct
        GMP 09:05
        Jeju City - Seoul | Thu, Sep 3 | T'Way Air
        S$ 49
        8% off
        S$ 53 S$ 49
      • ICN 18:05
        1h 20m
        Direct
        CJU 19:25
        Seoul - Jeju City | Mon, Sep 7 | Jeju Air
        CJU 07:50
        1h 15m
        Direct
        GMP 09:05
        Jeju City - Seoul | Wed, Sep 9 | T'Way Air
        S$ 49
        8% off
        S$ 53 S$ 49
      • SEL 13:00
        17h 25m
        1 stop
        CJU 14:00
        Seoul - Jeju City | Thu, Aug 13 | Normal Airline
        CJU 15:00
        6h
        Direct
        SEL 16:00
        Jeju City - Seoul | Sat, Aug 15 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        GMP 18:30
        1h 15m
        Direct
        CJU 19:45
        Seoul - Jeju City | Wed, Sep 16 | T'Way Air
        S$ 22 S$ 24
        8% off
        8% off
        S$ 24 S$ 22
      • GMP 18:30
        1h 15m
        Direct
        CJU 19:45
        Seoul - Jeju City | Tue, Sep 1 | T'Way Air
        S$ 22 S$ 24
        8% off
        8% off
        S$ 24 S$ 22
      • GMP 18:15
        1h 15m
        Direct
        CJU 19:30
        Seoul - Jeju City | Tue, Sep 15 | Air Seoul
        S$ 22 S$ 24
        8% off
        8% off
        S$ 24 S$ 22
      • GMP 19:10
        1h 15m
        Direct
        CJU 20:25
        Seoul - Jeju City | Wed, Sep 2 | Eastar Jet
        S$ 22
        8% off
        S$ 24 S$ 22
      • GMP 19:10
        1h 15m
        Direct
        CJU 20:25
        Seoul - Jeju City | Tue, Sep 1 | Eastar Jet
        S$ 22
        8% off
        S$ 24 S$ 22
      • GMP 19:20
        1h 15m
        Direct
        CJU 20:35
        Seoul - Jeju City | Wed, Sep 16 | Eastar Jet
        S$ 22
        8% off
        S$ 24 S$ 22
      • GMP 19:30
        1h 25m
        Direct
        CJU 20:55
        Seoul - Jeju City | Mon, Sep 14 | Eastar Jet
        S$ 22
        8% off
        S$ 24 S$ 22
      • GMP 19:30
        1h 25m
        Direct
        CJU 20:55
        Seoul - Jeju City | Mon, Aug 31 | Eastar Jet
        S$ 22
        8% off
        S$ 24 S$ 22
      • GMP 19:10
        1h 15m
        Direct
        CJU 20:25
        Seoul - Jeju City | Tue, Sep 8 | Parata Air
        S$ 22
        8% off
        S$ 24 S$ 22
      • GMP 18:15
        1h 15m
        Direct
        CJU 19:30
        Seoul - Jeju City | Wed, Sep 16 | Air Seoul
        S$ 22
        8% off
        S$ 24 S$ 22
      • SEL 13:00
        17h 25m
        1 stop
        CJU 14:00
        Seoul - Jeju City | Thu, Aug 13 | Normal Airline
        Find more flights
        Find more flights

Popular airlines from Seoul to Jeju City

You can choose from 8 airlines that fly from Seoul to Jeju City, including Korean Air, T'Way Air, and Eastar Jet. T'Way Air offers the lowest prices on this route.
Korean Air logo Korean Air
T'Way Air logo T'Way Air
Eastar Jet logo Eastar Jet
Jeju Air logo Jeju Air
Asiana Airlines logo Asiana Airlines
Jin Air logo Jin Air
Air Seoul logo Air Seoul
Air Busan logo Air Busan
Airlines are determined based on actual purchased flight tickets from Seoul to Jeju City according to previous 12 months data from Trip.com.

Trip.com Price Insights on Flights from Seoul to Jeju City.

What is the cheapest month for one-way flights from Seoul to Jeju City?

The average price of one-way flights from Seoul to Jeju City purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Seoul to Jeju City is March, with an average price of S$ 11, and the most expensive month is April, with an average price of up to S$ 21.

S$ 21
S$ 16
S$ 11
S$ 6
    Cheapest
  • S$ 15
    Aug
  • S$ 13
    Sep
  • S$ 13
    Oct
  • S$ 13
    Nov
  • S$ 13
    Dec
  • S$ 15
    Jan
  • S$ 16
    Feb
  • S$ 11
    Mar
  • S$ 21
    Apr
  • S$ 17
    May
  • S$ 18
    Jun
  • S$ 19
    Jul

What is the cheapest month for round-trip flights from Seoul to Jeju City?

The average price of round-trip flights from Seoul to Jeju City purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for round-trip flights from Seoul to Jeju City is December, with an average price of S$ 30, and the most expensive month is April, with an average price of up to S$ 81.

S$ 81
S$ 56
S$ 30
S$ 5
    Cheapest
  • S$ 51
    Aug
  • S$ 33
    Sep
  • S$ 34
    Oct
  • S$ 31
    Nov
  • S$ 30
    Dec
  • S$ 41
    Jan
  • S$ 53
    Feb
  • S$ 34
    Mar
  • S$ 81
    Apr
  • S$ 80
    May
  • S$ 71
    Jun
  • S$ 57
    Jul

Frequently Asked Questions

  • Which airlines offer the cheapest flights from Seoul (SEL) to Jeju City (CJU)?

    Based on Trip.com data, T'Way Air offers one-way fares as low as S$ 22 on Cheapest nonstop routes (e.g. GMP to CJU on Wed, Sep 16), while T'Way Air offers Cheapest nonstop round-trips from S$ 46 departing on Tue, Sep 1 and returning on Thu, Sep 3.
  • At the moment, you can catch a direct flight from Seoul to Jeju City with the following airlines, including: Korean Air T'Way Air Eastar Jet Jeju Air Asiana Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 1 hour 15 minutes to fly from Seoul (SEL) to Jeju City (CJU).
  • 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 Jeju City 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.
  • Based on Trip.com data in the past 4 weeks, there is 427 flight per week flying from Seoul to Jeju City. You can check the weekly schedule for popular airlines on this route below: Asiana Airlines: S/M/T/W/T/F/S -- OZ8981 (17:46) Asiana Airlines: S/M/T/W/T/F/S -- OZ8995 (21:26) Asiana Airlines: S/M/T/W/T/F/S -- OZ8985 (19:23)
  • To find best deals on flights from Seoul to Jeju City, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Sep 16, with one-way flights priced at just S$ 22.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is T'Way Air.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Jeju City travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Seoul to Jeju City is September, when demand for travel is lower.
  • After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Seoul to Jeju City on August 31, 2026 with Jin Air, with prices starting at S$ 43.
  • You can land at any one of the following hubs in Jeju City, with Gimpo International Airport to Jeju International Airport (GMP-CJU) is by far the most common option on this route: Jeju International Airport (CJU).
  • The time difference between Jeju City and Seoul is 0m.
  • 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 Seoul to Jeju City is S$ 89. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Seoul to Jeju City is S$ 142. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter Seoul and Jeju City, 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.
  • Eastar Jet, Jeju Air and T'Way Airare the most popular budget airlines flying from Seoul to Jeju City. Check baggage, seat and payment fees before comparing the final price.

Before your flight from Seoul (SEL) to Jeju (CJU)

Seoul to Jeju flight schedule

Flying from Seoul to Jeju? It’s one of the busiest domestic routes in the world, with over 100 direct flights daily from both Gimpo International Airport (GMP) and 1 from Incheon International Airport (ICN) to Jeju International Airport (CJU). The average flight time is around 1 hour 11 minutes. Morning departures start as early as 06:00 AM from GMP, giving you lots of flexibility whether you're planning a weekend escape or a longer trip.

Flight ScheduleGMP-CJUICN-CJU
Average flight time1h 15m1h 7m
Daily direct flights1031
Earliest direct flight06:00⇒07:1020:00⇒21:10

Compare airlines flying from Seoul to Jeju

Plenty of airlines operate direct flights between Seoul and Jeju, including Korean Air, Asiana Airlines, Jeju Air, T’way Air, Jin Air and many more airlines. Whether you prefer a full-service experience or just a quick budget hop, there are options to suit every traveller. Use Trip.com to compare prices, check seat availability, and discover the latest promotions to make your trip more affordable.

AirlineFlight TimeTypeRoundtrip Price
(Estimated)
Korean Air1h 15mDirectFrom S$72
Asiana Airlines1h 15mDirectFrom S$31
Jeju Air1h 15mDirectFrom S$21
T’way Air1h 15mDirectFrom S$32
Jin Air1h 15mDirectFrom S$25

Note: Prices are estimated and may vary depending on the booking period, travel dates, and promotions.

Best time to book flights from Seoul to Jeju

Looking for the best deals? Consider flying in quieter seasons like March or November. Booking 2 to 3 weeks in advance is usually enough for domestic routes. Based on Trip.com data, flights on weekdays—especially Tuesdays and Wednesdays—tend to be cheaper. Avoid weekends and holidays if you're trying to save.

Checking in for your flight at Seoul Airport

Flights to Jeju usually depart from Gimpo International Airport (GMP), which is closer to the city than Incheon. While some international connections may use Incheon International Airport (ICN). Arrive at least 90 minutes before departure for domestic flights to allow for check-in and security clearance.

Here's how you can get to the airport:

  • Gimpo (GMP): Take Line 5 or 9 on the Seoul Metro. Taxis take about 30–40 minutes from central Seoul.
  • Incheon (ICN): Take the AREX Airport Express Train (about 1 hour), or an airport bus/taxi.

Arrival at Jeju International Airport

Jeju International Airport (CJU) is located in the northern part of the island, close to Jeju City. It’s a compact and easy-to-navigate airport with fast baggage claim and plenty of car rental counters. Getting from the airport to the city or resort areas is eay. You can take:

  • Taxi: Taxis are readily available and convenient for getting around.
  • Airport Limousine Buses: Buses connect to major hotel areas and attractions. It's cheap and convenient.
  • Car Rental: Car rental is also a great choice if you’re planning to explore the island freely.

Complete your trip

Trip.com makes it easy to round out your travel plans. Book a Korea eSIM for instant internet, and browse top-rated hotels in Jeju—whether you're after a luxury beach resort or a cosy pension in the hills. Be sure to check out local highlights like Hallasan Mountain, Seongsan Ilchulbong, and Jeju's famous black pork BBQ.

Find Cheap Flights & Deals on Trip.com

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

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to 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 based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.