EUR/IE
Find cheap flights to Jeju in 2025/2026 from €487 This is the cheapest return flight found to Jeju from Ireland on FlightsFinder on December 2nd 2025 at 21:33. This offer may no longer be available. Click the offer to check live prices & dates of travel.
Our Flight Finder compares the cheapest flights to Jeju from the most established flight comparison sites.
Fly to Jeju and visit sites like Hallasan, Manjanggul Cave, Jeju Love Land & Cheonjiyeon Waterfall.
1. Enter your search requirements for Jeju
2. Compare the best Jeju deals from top comparison engines
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These economy flights were found on FlightsFinder from Ireland to Jeju in the last few days. Prices subject to availability.
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These economy flights were found on FlightsFinder from Ireland to Jeju in the last few days. Prices subject to availability.
No flights found for this month.
No flights found for this month.
No flights found for this month.
No flights found for this month.
No flights found for this month.
No flights found for this month.
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According to our data, January is on average the cheapest time to book flights to Jeju.
You can get flights from €487 return.
According to our data, April is on average the most expensive time to book flights to Jeju.
A return flight could set you back more than €774.
Nestled off the southern coast of South Korea, the enchanting island of Jeju beckons with its natural wonders and vibrant culture. Known for its lush forests, majestic waterfalls, and dramatic volcanic landscapes, Jeju offers a captivating blend of adventure and relaxation for visitors seeking an escape from the ordinary. Explore Jeju's pristine beaches, iconic Hallasan Mountain, and charming villages steeped in tradition. Indulge in the island's renowned cuisine, from fresh seafood delicacies to traditional Jeju black pork. Whether hiking through lava tubes or strolling along picturesque coastal paths, Jeju promises an unforgettable experience for every traveler.
A good price for a flight to Jeju is €438 - €536.
Popular airports near Jeju include Jeju International Airport (CJU), Gimpo International Airport (GMP) in Seoul, and Incheon International Airport (ICN) also in Seoul.
The flight to Jeju (CJU) is roughly 13 hours 23 minutes and 5,798 miles (9,331 kilometres) from Dublin, Ireland - Dublin International Airport (DUB).
The best way is to compare flights to Jeju from leading comparison sites using our search engine dashboard.
We have currently found no direct flights to Jeju.
Here is the average weather forecast in Jeju by month:
• Jan: 8°C
• Feb: 9°C
• Mar: 13°C
• Apr: 18°C
• May: 22°C
• Jun: 25°C
• Jul: 29°C
• Aug: 30°C
• Sep: 26°C
• Oct: 21°C
• Nov: 16°C
• Dec: 11°C
The main airport in Jeju, Jeju International Airport, is located approximately 4 kilometers from the city center.
Typically, flights are cheapest to Jeju 2 months before departure.
Studies show flights to Jeju are typically cheaper on Tuesdays and Wednesdays.
8 °C
Fri, 5 Dec 2025
Average Temperature
8°C
Jan
9°C
Feb
13°C
Mar
18°C
Apr
22°C
May
25°C
Jun
29°C
Jul
30°C
Aug
26°C
Sep
21°C
Oct
16°C
Nov
11°C
Dec
Dublin, Ireland - Dublin International Airport (DUB) to Jeju (CJU)
Distance:
5,798 miles (9,331 kilometres)
Average flight time (direct 13 hours 23 minutes)
Shannon, Ireland - Shannon International Airport (SNN) to Jeju (CJU)
Distance:
5,904 miles (9,502 kilometres)
Average flight time (direct 13 hours 37 minutes)
Knock, Ireland - Ireland West Airport (NOC) to Jeju (CJU)
Distance:
5,834 miles (9,389 kilometres)
Average flight time (direct 13 hours 27 minutes)
Cork, Ireland - Cork International Airport (ORK) to Jeju (CJU)
Distance:
5,941 miles (9,561 kilometres)
Average flight time (direct 13 hours 42 minutes)
Kerry, Ireland - Kerry Airport (KIR) to Jeju (CJU)
Distance:
5,948 miles (9,572 kilometres)
Average flight time (direct 13 hours 43 minutes)
Donegal, Ireland - Donegal Airport (CFN) to Jeju (CJU)
Distance:
5,759 miles (9,269 kilometres)
Average flight time (direct 13 hours 17 minutes)
Waterford, Ireland - Waterford Airport (WAT) to Jeju (CJU)
Distance:
5,886 miles (9,473 kilometres)
Average flight time (direct 13 hours 34 minutes)
From Dublin (DUB), Ireland to Jeju, South Korea (CJU): €487
Depart: 16 Jan 2026 · Return: 23 Jan 2026 Price found 02 Dec 2025, 21:33
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