Seoul, South KoreaJeju City

Flights from Seoul to Jeju City

Nonstop flights from Seoul (ICN) to Jeju City (CJU) take about 1h 3m (440 km). Jeju Air flies it. Lowest fare seen: $20 one-way, nonstop (12 Oct 2026).

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When you land in Jeju City

The airport transfer and the few things worth sorting before you fly.

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Airlines flying Seoul to Jeju City

Carriers on ICN–CJU according to our route data and nonstop fares seen as of 12 Oct 2026. Not a complete list.

✈ Jeju Airnonstop fare seen

Seoul to Jeju City fares by month

Cheapest month seen for a nonstop flight: Nov 2026, from $18 one-way. Lowest one-way fares seen for departures in each month, read 22 Oct 2026.

DepartingNonstop fromCheaper with stops
Oct 2026$1927 Oct 2026 · Jeju Air—
Nov 2026$1823 Nov 2026—
Dec 2026$191 Dec 2026—
Jan 2027$255 Jan 2027—
Feb 2027$2217 Feb 2027 · Air Seoul—
Mar 2027$2210 Mar 2027 · Air Seoul—
Apr 2027$856 Apr 2027 · Korean Air—
May 2027$8825 May 2027 · Korean Air—
Jun 2027$8316 Jun 2027 · Korean Air—
Jul 2027$8815 Jul 2027 · Korean Air—
Aug 2027$11713 Aug 2027 · Korean Air—
Oct 2027$1171 Oct 2027 · Korean Air—

When to go for the lowest fare

Fares were close across the months we saw: $18 for November 2026, $19 at best after that.

From Travelpayouts flight-search data, city to city (Seoul to Jeju City, any airport), USD, read 22 Oct 2026. These are fares that were on sale, not a guarantee of today's price; an airline is named only where we know it flies this route.

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Frequently asked questions — Seoul to Jeju City flights

How long is the flight from Seoul to Jeju City?
A nonstop flight from Seoul (ICN) to Jeju City (CJU) takes about 1h 3m, covering 440 km. That is an estimate from the distance — actual time varies with the airline, aircraft and winds, and connecting itineraries take longer.
How far is Seoul from Jeju City by air?
The great-circle distance between Incheon International Airport and Jeju International Airport is 440 km (273 miles), a short-haul route.
Which airlines fly from Seoul to Jeju City?
Airlines with flights or nonstop fares on the ICN–CJU route include Jeju Air. This is not a complete list — schedules change by season, so check the current options before booking.
How much does a flight from Seoul to Jeju City cost?
The lowest one-way fare seen recently on ICN–CJU was $20 USD with Jeju Air (nonstop), departing 19 Oct 2026, found in fare searches as of 12 Oct 2026. Fares change constantly and depend on the date, so check the current price before booking.
What is the cheapest month to fly from Seoul to Jeju City?
In fares seen on 22 Oct 2026, departures in November 2026 were cheapest, from $18 one-way, against $117 for August 2027, the dearest month. Fares change daily, so check your own dates.
Do I need a visa to travel from South Korea to Jeju City?
It depends on your passport. Some nationalities can enter Jeju City visa-free or get a visa on arrival; others must apply in advance. Use AirConnect's Visa Checker to see the rules for your passport.

Sources: fares from Travelpayouts flight-search data, seen 12 Oct 2026; airlines from each carrier's published network and nonstop fares on sale; distance from OurAirports coordinates; flight time estimated from distance. Fares change daily.

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