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

According to our data, Air Busan have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

How often are flights from Seoul to Jeju City delayed?

Historically, on average around 19% of flights between Seoul and Jeju City have experienced a delay on any given week. The average delay length over the past 12 months has been 82 minutes.

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

Sunday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

What airlines fly to Jeju City?

Jeju Air, Korean Air and Asiana Airlines are the top three most popular airlines that fly to Jeju City from Seoul Gimpo Intl Airport according to our data. Jeju Air is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Jeju City. Keep in mind that there are 8 different airlines that fly to Jeju City on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Seoul Gimpo Intl to Jeju City?

Air Busan, Asiana Airlines, and Jin Air are the most popular carriers operating from Seoul Gimpo Intl to Jeju City

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

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

When did momondo last update prices for flights from Seoul Gimpo Intl Airport to Jeju City Airport?

Prices for flights from Seoul Gimpo Intl Airport to Jeju City Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Seoul Gimpo Intl Airport to Jeju City Airport?

The number of operators available for flights from Seoul Gimpo Intl Airport to Jeju City Airport is 8 as of October 2025.

How old do you have to be to fly from Seoul Gimpo Intl Airport to Jeju City Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seoul Gimpo Intl Airport to Jeju City Airport.

What documentation or ID do you need to fly to Jeju City Airport?

The travel and health documents required for your trip to Jeju City Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Jeju City Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$18 Cheap Flights from Seoul Gimpo Intl Airport to Jeju City in 2025/26

Q: How many flights depart from Seoul Gimpo Intl Airport to Jeju City on average per week?

The number of flights available between Seoul Gimpo Intl Airport and Jeju City is 866 per week as of October 2025. The most frequent departure day is Wed, with 15% of weekly flights leaving on this day.

Q: How many flights depart from Seoul Gimpo Intl Airport to Jeju City on average per day?

As of October 2025, 123 flights take off from Seoul Gimpo Intl Airport and land in Jeju City each day. The most common flight departure time for this route is 6:00AM, with 39% of daily flights taking off at noon.

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 pm - 9:15 pmGMP-CJU

1h 15mnonstop

8:15 am - 9:30 amCJU-GMP

1h 15mnonstop

$40Jin Air

Find Deal

Sat, Nov 15 - Mon, Nov 17

5:20 pm - 6:35 pmGMP-CJU

1h 15mnonstop

6:45 am - 8:00 amCJU-GMP

1h 15mnonstop

$41Asiana Airlines

Find Deal

Thu, Nov 13 - Wed, Nov 19

6:35 pm - 7:50 pmGMP-CJU

1h 15mnonstop

8:15 am - 9:30 amCJU-GMP

1h 15mnonstop

$42T'way Air

Find Deal

Thu, Nov 13 - Mon, Nov 17

8:00 pm - 9:15 pmGMP-CJU

1h 15mnonstop

8:50 pm - 10:05 pmCJU-GMP

1h 15mnonstop

$43Jin Air

Find Deal

Sat, Dec 13 - Mon, Dec 15

7:30 pm - 8:45 pmGMP-CJU

1h 15mnonstop

7:10 am - 8:25 amCJU-GMP

1h 15mnonstop

$44Jeju Air

Find Deal

Thu, Nov 27 - Sun, Nov 30

8:25 pm - 9:40 pmGMP-CJU

1h 15mnonstop

7:25 am - 8:45 amCJU-GMP

1h 20mnonstop

$46Jeju Air

Find Deal

Fri, Nov 14 - Tue, Nov 18

8:30 pm - 9:45 pmGMP-CJU

1h 15mnonstop

7:25 am - 8:40 amCJU-GMP

1h 15mnonstop

$52Korean Air

Find Deal

Sat, Nov 22 - Mon, Nov 24

5:20 pm - 6:35 pmGMP-CJU

1h 15mnonstop

7:55 am - 9:10 amCJU-GMP

1h 15mnonstop

$54T'way Air

Find Deal

Thu, Jan 8 - Sat, Jan 10

5:05 pm - 6:20 pmGMP-CJU

1h 15mnonstop

9:35 am - 10:50 amCJU-GMP

1h 15mnonstop

$77Korean Air

Find Deal

Tue, Apr 14 - Thu, Apr 16

9:45 am - 5:25 pmGMP-CJU

7h 40m1 stop

7:50 am - 9:05 amCJU-GMP

1h 15mnonstop

$87Multiple Airlines

Find Deal

Thu, Nov 13 - Sat, Nov 15

Jin Air flights from Seoul Gimpo Intl Airport to Jeju City

Our best Jin Air deals on Seoul Gimpo Intl Airport to Jeju City flight tickets

Jin Air

Nov 15

GMP8:00 pmSeoul Gimpo Intl

1h 15m

CJU9:15 pmJeju City

Nov 17

CJU8:15 amJeju City

1h 15m

GMP9:30 amSeoul Gimpo Intl

$40

Find similar

Jin Air

Dec 13

GMP8:00 pmSeoul Gimpo Intl

1h 15m

CJU9:15 pmJeju City

Dec 15

CJU8:50 pmJeju City

1h 15m

GMP10:05 pmSeoul Gimpo Intl

$43

Find similar

Jin Air

Nov 27

GMP8:00 pmSeoul Gimpo Intl

1h 15m

CJU9:15 pmJeju City

Nov 30

CJU7:00 amJeju City

1h 15m

GMP8:15 amSeoul Gimpo Intl

$45

Find similar

Jeju Air flights from Seoul Gimpo Intl Airport to Jeju City

Our best Jeju Air deals on Seoul Gimpo Intl Airport to Jeju City flight tickets

Jeju Air

Nov 1

GMP7:30 pmSeoul Gimpo Intl

1h 15m

CJU8:45 pmJeju City

Nov 7

CJU7:10 amJeju City

1h 15m

GMP8:25 amSeoul Gimpo Intl

$41

Find similar

Jeju Air

Nov 27

GMP7:30 pmSeoul Gimpo Intl

1h 15m

CJU8:45 pmJeju City

Nov 30

CJU7:10 amJeju City

1h 15m

GMP8:25 amSeoul Gimpo Intl

$44

Find similar

Jeju Air

Nov 14

GMP8:25 pmSeoul Gimpo Intl

1h 15m

CJU9:40 pmJeju City

Nov 18

CJU7:25 amJeju City

1h 20m

GMP8:45 amSeoul Gimpo Intl

$46

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Seoul Gimpo Intl Airport to Jeju City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Sat 11/15

8:00 pm-9:15 pm

Nonstop1h 15m

Jeju City

Mon 11/17

8:15 am-9:30 am

Nonstop1h 15m

$40

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Thu 11/13

5:20 pm-6:35 pm

Nonstop1h 15m

Jeju City

Wed 11/19

6:45 am-8:00 am

Nonstop1h 15m

$41

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Thu 11/13

6:35 pm-7:50 pm

Nonstop1h 15m

Jeju City

Mon 11/17

8:15 am-9:30 am

Nonstop1h 15m

$42

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Sat 12/13

8:00 pm-9:15 pm

Nonstop1h 15m

Jeju City

Mon 12/15

8:50 pm-10:05 pm

Nonstop1h 15m

$43

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Thu 11/27

7:30 pm-8:45 pm

Nonstop1h 15m

Jeju City

Sun 11/30

7:10 am-8:25 am

Nonstop1h 15m

$44

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Fri 11/14

8:25 pm-9:40 pm

Nonstop1h 15m

Jeju City

Tue 11/18

7:25 am-8:45 am

Nonstop1h 20m

$46

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Sat 11/22

8:30 pm-9:45 pm

Nonstop1h 15m

Jeju City

Mon 11/24

7:25 am-8:40 am

Nonstop1h 15m

$52

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Thu 1/8

5:20 pm-6:35 pm

Nonstop1h 15m

Jeju City

Sat 1/10

7:55 am-9:10 am

Nonstop1h 15m

$54

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Tue 4/14

5:05 pm-6:20 pm

Nonstop1h 15m

Jeju City

Thu 4/16

9:35 am-10:50 am

Nonstop1h 15m

$77

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Thu 11/13

9:45 am-5:25 pm

1 stop7h 40m

Jeju City

Sat 11/15

7:50 am-9:05 am

Nonstop1h 15m

$87

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seoul Gimpo Intl Airport to Jeju City

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

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Other information

What is the typical price of a round-trip flight between Seoul Gimpo Intl Airport and Jeju City?

What is the cheapest month to fly to Jeju City?

The month of March is, on average, the cheapest month to fly to Jeju City from Seoul Gimpo Intl Airport, with most prices found around $62. If you aren’t able to travel during the month of March, then book flights to Jeju City from Seoul Gimpo Intl Airport during December instead. Flights to Jeju City in December, while not as cheap as those in March, still average around $67.

What is the cheapest day to depart on your flight to Jeju City?

The cheapest day to depart from Seoul Gimpo Intl Airport to Jeju City is on a Tuesday. Travelers who choose to depart for Jeju City on a Tuesday will often find tickets for as low as $68. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Seoul Gimpo Intl Airport to Jeju City for around $106.

What is the cheapest time of day to depart on your flight to Jeju City?

In the evening is the cheapest time of day to fly from Seoul Gimpo Intl Airport to Jeju City when you can find flight prices for as low as $70. Flying to Jeju City in the evening is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $100.

What is the cheapest Seoul Gimpo Intl to Jeju City flight route?

Fly from Seoul Gimpo Intl to Jeju City for the best Seoul Gimpo Intl - Jeju City flight prices

How far in advance should I book a flight to Jeju City?

You are more likely to see cheaper flights to Jeju City from Seoul Gimpo Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Jeju City for around $82 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Jeju City from Seoul Gimpo Intl Airport for as low as $81 on momondo.

What cabin class options are available on Seoul Gimpo Intl to Jeju City flights?

There are 3 cabin classes available to choose from on Seoul Gimpo Intl to Jeju City flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seoul Gimpo Intl Airport to Jeju City flight prices changed over time?

As of October 2025, prices for Seoul Gimpo Intl Airport to Jeju City flights are approximately 15% more expensive when compared to flights at the same time last year.

When to book flights from Seoul Gimpo Intl Airport to Jeju City

Are you open to changing your travel dates? Check out the ideal times to fly from Seoul Gimpo Intl Airport to Jeju City according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seoul Gimpo Intl Airport to Jeju City (GMP to CJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seoul Gimpo Intl Airport to Jeju City

Best Price Found	$23
Fastest flight time	1h 10m
Direct flights	Every day
Airports in Jeju City	1 airport

The best one-way flight to Jeju City from Seoul Gimpo Intl Airport in the past 72 hours is $23. The best round-trip flight deal from Seoul Gimpo Intl Airport to Jeju City found on momondo in the last 72 hours is $65.

The fastest flight from Seoul Gimpo Intl Airport to Jeju City takes 1h 10m

Direct flights go from Seoul Gimpo Intl Airport to Jeju City every day.

There is 1 airport near Jeju City: Jeju City (CJU)

Search flight deals

How far is Seoul Gimpo Intl to Jeju City by plane?
A flight from Seoul Gimpo Intl to Jeju City will travel around 280.5 mi. 1h 10m is a normal flight duration for this route.
When did momondo last update prices for flights from Seoul Gimpo Intl Airport to Jeju City Airport?
Prices for flights from Seoul Gimpo Intl Airport to Jeju City Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Seoul Gimpo Intl Airport to Jeju City Airport?
The number of operators available for flights from Seoul Gimpo Intl Airport to Jeju City Airport is 8 as of October 2025.
How old do you have to be to fly from Seoul Gimpo Intl Airport to Jeju City Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seoul Gimpo Intl Airport to Jeju City Airport.
What documentation or ID do you need to fly to Jeju City Airport?
The travel and health documents required for your trip to Jeju City Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Jeju City Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Seoul Gimpo Intl Airport to Jeju City?
momondo data reveals that the most frequently booked plane model on the route from Seoul Gimpo Intl Airport to Jeju City is Boeing 737-800, representing 33.67% of all bookings. The subsequent popular models are Airbus A321-100/200 at 17.92%, Airbus A330-300 at 11.94%, and Boeing 737-900 at 8.79%.
What is the most popular airline from Seoul Gimpo Intl Airport to Jeju City?
Based on momondo bookings for flights between Seoul Gimpo Intl Airport and Jeju City, the leading airline is Jeju Air, making up 26% of the total bookings. Other popular airlines include Korean Air with 25%, Asiana Airlines with 24%, and T'way Air with 12%.

Best airlines flying from Seoul Gimpo Intl Airport to Jeju City

Compare and see reviews for airlines that fly from Seoul Gimpo Intl Airport to Jeju City with momondo

Airline	Rating	Free Cancellation	Price
T'way Air	PriceFrom $27	Free Cancellation	Rating 0.0 0 reviews	Search T'way Air flights
Air Busan	PriceFrom $27	Free Cancellation	Rating 0.0 0 reviews	Search Air Busan flights
Air Seoul	PriceFrom $28	Free Cancellation	Rating 0.0 0 reviews	Search Air Seoul flights
Eastar Jet	PriceFrom $29	Free Cancellation	Rating 0.0 0 reviews	Search Eastar Jet flights
Jin Air	PriceFrom $31	Free Cancellation	Rating 0.0 0 reviews	Search Jin Air flights
Jeju Air	PriceFrom $34	Free Cancellation	Rating 7.7 34 reviews	Search Jeju Air flights
Asiana Airlines	PriceFrom $46	Free Cancellation	Rating 8.2 483 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom $52	Free Cancellation	Rating 8.4 1,155 reviews	Search Korean Air flights

Korean Air Flights From Seoul Gimpo Intl Airport to Jeju City
The lowest priced Korean Air flight from Seoul Gimpo Intl Airport to Jeju City from the last 72 hours was $52. Generally, Korean Air has 225 flights on this route every week with an average price of $102. Korean Air is rated 8.4/10 by our users.
Asiana Airlines Flights From Seoul Gimpo Intl Airport to Jeju City
The best Asiana Airlines deal for Seoul Gimpo Intl Airport to Jeju City flight tickets found on momondo in the last 72 hours was $46, round-trip. It should be noted that an average Asiana Airlines flight deal for this route in this time was higher, at $91 round-trip. Asiana Airlines operates 222 flights out of Seoul Gimpo Intl Airport into Jeju City in an average week, so prices vary by time and availability. 483 Asiana Airlines reviews by users on momondo have scored the airline at 8.2/10.

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Why should I use momondo to find a flight deal from Seoul to Jeju City?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seoul to Jeju City for you.

Can I find flights from Seoul to Jeju City with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Jeju City from Seoul with this policy.

How can momondo help me find flights from Seoul to Jeju City?

momondo provides multiple filters to help you find the best flight to Jeju City from Seoul. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Seoul to Jeju City right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seoul to Jeju City now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Jeju City and let you know when they change.

An easier way to manage your Jeju City trip

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Cheap flights from Seoul Gimpo Intl Airport to Jeju City from $18

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Jin Air flights from Seoul Gimpo Intl Airport to Jeju City

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How to get the cheapest flight ticket from Seoul Gimpo Intl Airport to Jeju City

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Seoul Gimpo Intl Airport and Jeju City?

What is the cheapest month to fly to Jeju City?

What is the cheapest day to depart on your flight to Jeju City?

What is the cheapest time of day to depart on your flight to Jeju City?

What is the cheapest Seoul Gimpo Intl to Jeju City flight route?

Fly from Seoul Gimpo Intl to Jeju City for the best Seoul Gimpo Intl - Jeju City flight prices

How far in advance should I book a flight to Jeju City?

What cabin class options are available on Seoul Gimpo Intl to Jeju City flights?

There are 3 cabin classes available to choose from on Seoul Gimpo Intl to Jeju City flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seoul Gimpo Intl Airport to Jeju City flight prices changed over time?

As of October 2025, prices for Seoul Gimpo Intl Airport to Jeju City flights are approximately 15% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Seoul Gimpo Intl to Jeju City?

Air Busan, Asiana Airlines, and Jin Air are the most popular carriers operating from Seoul Gimpo Intl to Jeju City

What airlines fly to Jeju City?

How often are flights from Seoul to Jeju City delayed?

Historically, on average around 19% of flights between Seoul and Jeju City have experienced a delay on any given week. The average delay length over the past 12 months has been 82 minutes.

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

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

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

Sunday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Air Busan have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

How many flights depart from Seoul Gimpo Intl Airport to Jeju City on average per day?

As of October 2025, 123 flights take off from Seoul Gimpo Intl Airport and land in Jeju City each day. The most common flight departure time for this route is 6:00AM, with 39% of daily flights taking off at noon.

How many flights depart from Seoul Gimpo Intl Airport to Jeju City on average per week?

The number of flights available between Seoul Gimpo Intl Airport and Jeju City is 866 per week as of October 2025. The most frequent departure day is Wed, with 15% of weekly flights leaving on this day.

When to book flights from Seoul Gimpo Intl Airport to Jeju City

Cheap Seoul Gimpo Intl Airport to Jeju City (GMP to CJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seoul Gimpo Intl Airport to Jeju City

Best Price Found

Fastest flight time

Direct flights

Airports in Jeju City

How far is Seoul Gimpo Intl to Jeju City by plane?

When did momondo last update prices for flights from Seoul Gimpo Intl Airport to Jeju City Airport?

How many operators does momondo search for flights from Seoul Gimpo Intl Airport to Jeju City Airport?

How old do you have to be to fly from Seoul Gimpo Intl Airport to Jeju City Airport?

What documentation or ID do you need to fly to Jeju City Airport?

What is the most popular plane model from Seoul Gimpo Intl Airport to Jeju City?

What is the most popular airline from Seoul Gimpo Intl Airport to Jeju City?

Best airlines flying from Seoul Gimpo Intl Airport to Jeju City

Compare and see reviews for airlines that fly from Seoul Gimpo Intl Airport to Jeju City with momondo

Korean Air Flights From Seoul Gimpo Intl Airport to Jeju City

Asiana Airlines Flights From Seoul Gimpo Intl Airport to Jeju City

Traveling to a place near Jeju City?

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to Jeju City?

Can I find flights from Seoul to Jeju City with flexible booking policies on momondo?

How can momondo help me find flights from Seoul to Jeju City?

I’m not ready to book a flight from Seoul to Jeju City right now. Can momondo alert me if prices change?

An easier way to manage your Jeju City trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to South Korea

Fly your favorite airline to Jeju City

Airlines are sorted and displayed according to clicks in the past 7 days on momondo