HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seoul

$17+ Cheap flights from Jeju City (CJU) to Seoul (SEL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
CJU — SEL
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Jeju City to Seoul with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Jeju City to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Jeju City (CJU) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$32
(Kiwi.com)

One-way from

$17
(Asiana Airlines)

Popular in

August

Cheapest in

February

Average price

$56

Good round-trip deal

$36 or less

Good one-way deal

$30 or less
Provider with most accurate pricing for Jeju City-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Jeju City-Seoul (SEL) flights.
Search Deals
From Jeju City to Seoul (SEL)
Search Deals
One-way flight from Jeju City to Seoul (SEL)
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Jeju City to Seoul (SEL).
Search Deals
Price to beat on a one-way flight from Jeju City to Seoul (SEL).
Search Deals

Find flight deals from Jeju City to Seoul

Cheapest flights from Jeju City to Seoul
Explore the most affordable flight options available from Jeju City to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.

This T'way Air deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/237:55 am
CJU
-
GMP
Nonstop1h 15m
T'way Air
Tue 1/276:35 pm
GMP
-
CJU
Nonstop1h 15m
T'way Air
Deal found 1/14$31
This Kiwi.com deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/37:15 am
CJU
-
GMP
Nonstop1h 15m
Jin Air
Tue 2/106:35 am
GMP
-
CJU
Nonstop1h 15m
Jin Air
Deal found 1/15$32
This Jeju Air deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/237:10 am
CJU
-
GMP
Nonstop1h 15m
Jeju Air
Mon 1/267:30 pm
GMP
-
CJU
Nonstop1h 15m
Jeju Air
Deal found 1/14$34
This Jeju Air deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/612:35 pm
CJU
-
GMP
Nonstop1h 15m
Jeju Air
Mon 2/97:30 pm
GMP
-
CJU
Nonstop1h 15m
Jeju Air
Deal found 1/13$35
This Asiana Airlines deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/236:45 am
CJU
-
GMP
Nonstop1h 15m
Asiana Airlines
Mon 1/269:00 pm
GMP
-
CJU
Nonstop1h 15m
Asiana Airlines
Deal found 1/14$36
This Asiana Airlines deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/226:15 am
CJU
-
GMP
Nonstop1h 15m
Asiana Airlines
Mon 1/269:00 pm
GMP
-
CJU
Nonstop1h 15m
Asiana Airlines
Deal found 1/15$37
This Asiana Airlines deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/216:05 am
CJU
-
GMP
Nonstop1h 15m
Asiana Airlines
Sun 1/259:00 pm
GMP
-
CJU
Nonstop1h 15m
Asiana Airlines
Deal found 1/14$45
This Jeju Air deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/211:05 am
CJU
-
GMP
Nonstop1h 15m
Jeju Air
Mon 2/97:30 pm
GMP
-
CJU
Nonstop1h 15m
Jeju Air
Deal found 1/14$46
This T'way Air deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/210:55 am
CJU
-
GMP
Nonstop1h 15m
T'way Air
Mon 2/97:05 pm
GMP
-
CJU
Nonstop1h 15m
T'way Air
Deal found 1/15$47
This T'way Air deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:50 am
CJU
-
GMP
Nonstop1h 15m
T'way Air
Sun 4/196:30 pm
GMP
-
CJU
Nonstop1h 15m
T'way Air
Deal found 1/15$62
This Eastar Jet deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Eastar Jet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:00 am
CJU
-
GMP
Nonstop1h 15m
Eastar Jet
Sat 4/187:25 pm
GMP
-
CJU
Nonstop1h 30m
Eastar Jet
Deal found 1/14$65
This Asiana Airlines deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:45 am
CJU
-
GMP
Nonstop1h 15m
Asiana Airlines
Sun 4/196:55 pm
GMP
-
CJU
Nonstop1h 15m
Asiana Airlines
Deal found 1/15$66

Cheapflights Fare Finder

 
Customize your flight search to find flights from Jeju City 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, Cheapflights users made 2,558,603 searches. Data last updated January 15, 2026.
Use the filters below to find and compare flights from Jeju City to Seoul that are best for you.

Fly from

Jeju City

Fly to

Seoul

Route

Depart

Return

Price

Jeju CitySeoul

CJU - GMP

CJUGMP

Jeju City

Tue 2/3

7:15 am-8:30 am

Nonstop1h 15m

Seoul Gimpo Intl

Tue 2/10

6:35 am-7:50 am

Nonstop1h 15m

$32

Jeju CitySeoul

CJU - GMP

CJUGMP

Jeju City

Mon 2/2

11:05 am-12:20 pm

Nonstop1h 15m

Seoul Gimpo Intl

Mon 2/9

7:30 pm-8:45 pm

Nonstop1h 15m

$46

Jeju CitySeoul

CJU - GMP

CJUGMP

Jeju City

Mon 2/2

10:55 am-12:10 pm

Nonstop1h 15m

Seoul Gimpo Intl

Mon 2/9

7:05 pm-8:20 pm

Nonstop1h 15m

$47

Jeju CitySeoul

CJU - GMP

CJUGMP

Jeju City

Wed 4/15

7:50 am-9:05 am

Nonstop1h 15m

Seoul Gimpo Intl

Sun 4/19

6:30 pm-7:45 pm

Nonstop1h 15m

$62

Jeju CitySeoul

CJU - GMP

CJUGMP

Jeju City

Tue 4/14

8:00 am-9:15 am

Nonstop1h 15m

Seoul Gimpo Intl

Sat 4/18

7:25 pm-8:55 pm

Nonstop1h 30m

$65

Jeju CitySeoul

CJU - GMP

CJUGMP

Jeju City

Fri 4/24

7:50 am-9:05 am

Nonstop1h 15m

Seoul Gimpo Intl

Sun 4/26

6:30 pm-7:45 pm

Nonstop1h 15m

$66

Jeju CitySeoul

CJU - GMP

CJUGMP

Jeju City

Fri 2/6

6:45 am-8:00 am

Nonstop1h 15m

Seoul Gimpo Intl

Mon 2/9

3:45 pm-7:25 pm

1 stop3h 40m

$77

Jeju CitySeoul

CJU - GMP

CJUGMP

Jeju City

Sun 2/15

6:05 am-7:20 am

Nonstop1h 15m

Seoul Gimpo Intl

Tue 2/17

9:00 pm-10:15 pm

Nonstop1h 15m

$78

Jeju CitySeoul

CJU - GMP

CJUGMP

Jeju City

Sat 2/28

8:45 am-10:00 am

Nonstop1h 15m

Seoul Gimpo Intl

Sat 3/7

6:35 pm-7:50 pm

Nonstop1h 15m

$79

Jeju CitySeoul

CJU - GMP

CJUGMP

Jeju City

Tue 4/14

8:00 am-9:15 am

Nonstop1h 15m

Seoul Gimpo Intl

Sat 4/18

6:50 pm-8:00 pm

Nonstop1h 10m

$83

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 36 results
1
2
3
4

Compare providers for flights from Jeju City to Seoul

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Jeju City to Seoul in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Jeju City-Seoul flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Jeju City-Seoul flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Jeju City-Seoul flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Jeju City-Seoul flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Jeju City-Seoul flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Jeju City to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from Jeju City with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Jeju City to Seoul

What is the cheapest month to book a flight from Jeju City to Seoul?

Currently, August is the cheapest month in which you can book a flight from Jeju City to Seoul (average of $16). Flying from Jeju City to Seoul in June is currently the most expensive (average of $41). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CJU to SEL?

Find hourly flight availability from Jeju City to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 15, 2026.

It’s typically best to fly out from Jeju City to Seoul in the evening. Doing so could potentially save you 53% on the flight price compared to flying in the afternoon, which is usually more expensive.

Weekly flight availability from Jeju City to Seoul

Explore weekly flight availability from Jeju City to Seoul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 15, 2026.

The most flights from CJU to SEL are scheduled on a Wednesday (121 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (114 on average).

How much does it cost to fly round-trip from Jeju City to Seoul?

How often are flights from Jeju City to Seoul delayed?

About 15% of weekly flights between Jeju City and Seoul have experienced delays in the past year, with the average delay time being 87 minutes.

What is the most punctual flight time for Jeju City to Seoul flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Sunday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Jeju City to Seoul flights?

Over the last year, Air Busan have had the lowest number of delays on this route, with just 11% of flights being delayed.

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seoul. Reviews last updated January 15, 2026.
See what other customers who have flown with Asiana Airlines and Jeju Air from Jeju City to Seoul have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Asiana Airlines
8.1
Very good
502 reviews

Food

8.0

Entertainment

7.7

Crew

8.5

Overall

8.1

Boarding

8.3

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Derek,Dec 2025

NRT - ICN

This was a terrible flight. Uncomfortable, incredibly hot in the plane. Will never fly with this airline again.
Asiana Airlines
8.1
Very good
502 reviews
Asiana Airlines
8.1
Very good
502 reviews

Food

8.0

Entertainment

7.7

Crew

8.5

Overall

8.1

Boarding

8.3

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Derek,Dec 2025

NRT - ICN

This was a terrible flight. Uncomfortable, incredibly hot in the plane. Will never fly with this airline again.
Jeju Air
7.6
Good
36 reviews
Asiana Airlines
8.1
Very good
502 reviews

Food

8.0

Entertainment

7.7

Crew

8.5

Overall

8.1

Boarding

8.3

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Derek,Dec 2025

NRT - ICN

This was a terrible flight. Uncomfortable, incredibly hot in the plane. Will never fly with this airline again.

Related info for your journey

Find useful and relevant information for your journey from Jeju City to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Jeju City to Seoul?

    Jeju City (CJU) is the airport you will fly out of if you book a flight from Jeju City to Seoul. You should not have trouble finding flights to Seoul from Jeju; the airport handles an average of 117 outbound flights to Seoul per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Jeju City airport to Seoul. It is only a 1.7 mi journey to Jeju (CJU) from Jeju City’s city center.

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

    Airlines like Jin Air, Jeju Air, and T'way Air fly from Jeju City to Seoul in about 1h 15m. The time it takes to get you to your destination is usually consistent. The distance from Jeju City to Seoul is about 280 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines flying from Jeju City to Seoul round-trip?

    Cheapflights users have booked flights from Jeju City to Seoul round-trip from $19. Another airline that can offer you cheap pricing is Jeju Air. Asiana Airlines is priced at 71% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Jeju City to Seoul one-way?

    One-way options have recently been found by users for as low as $11 on T'way Air. Other airlines that offer cheap prices include Air Seoul from $11 and Jin Air from $14 one-way.

  • Can I find deals for flights from Jeju City to Seoul that include hotel bookings?

    Yes. In addition to deals on Jeju City to Seoul flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Jeju City to Seoul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Jeju City to Seoul.

  • Can I find deals for business class flights from Jeju City to Seoul?

    Yes. Cheapflights offers flight deals from Jeju City to Seoul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Jeju City to Seoul?

    Currently, August is the cheapest month in which you can book a flight from Jeju City to Seoul (average of $16). Flying from Jeju City to Seoul in June is currently the most expensive (average of $41). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Jeju City to Seoul

See prices for flight routes from nearby airports that may be better suited for you.
Jeju City to Busan flights
Jeju City to Gimpo Intl flights

Top 2 airlines flying from Jeju City to Seoul

Discover the top 2 airlines that operate flights from Jeju City to Seoul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest$19Average$74FlexibilityNo cancel feeOn-time76%
Jeju AirCheapest$19Average$66FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.