Jeju Island Travel Guide

South Korea

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583K
Population
CJU
Nearest airport
$117
Daily Budget
75
Walkability
HIGH
Safety

Interactive Map

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Plan your arrival in Jeju Island

Arriving

  • Jeju International Airport (CJU) · 16 km awayServes Jeju City

Getting online on arrival

  1. Install your South Korea eSIM at home over Wi-Fi: iPhone or Android steps.
  2. When you land at Jeju International Airport (CJU), turn on the eSIM line and data roaming for it.
  3. Networks listed on our South Korea plans: LG Uplus (5G) and SKTelecom (5G).
  4. South Korea plans currently start at $2.75, for 100MB over 7 days. Compare all 15 plans.

New to eSIMs? How an eSIM works · How much data you need

Landing late or with kids? Pre-book an airport transfer

Staying connected

  • Coverage4G/5G · excellent
  • Wi-Fiwidespread
  • Suggested dataabout 1 GB a day · work it out
  • Weak signalParts of Hallasan National Park
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Useful apps

  • Food deliveryBaedal Minjok

Jeju Island at a glance

Region
Jeju Province
Population
583,284
Elevation
1,950 m above sea level
On or near
Pacific Ocean
Time zone
UTC+09:00
Currency
won (KRW)
Plug types
C and F
Emergency numbers
Police 112 · Ambulance 119 · Fire 119
Drives on the
right
Official languages
Korean and Korean Sign Language
Calling code
+82

Sources: Wikidata and OurAirports open data, checked 29 October 2026.

Staying Connected

How long is your trip?

Prices in USD

On every plan here

  • Uses SKTelecom and LG Uplus, with 5G where available
  • Starts when you first connect, so you can install it before you fly

Our pick for each trip length from today’s plans: the lowest price that lasts the whole trip with enough data a day. A starting point, not a guarantee of what you’ll use. Data only, for unlocked eSIM phones. Check your phone · How much data do I need?

Compare all 15 South Korea eSIM plans Travelling as a family? One order for 2 to 6 eSIMs, each labelled by name. Save up to 25%.

Top Attractions

1
Hallasan National Park
A UNESCO Biosphere Reserve and the highest mountain in South Korea, ideal for hiking.
4h Free
2
Seongsan Ilchulbong
A volcanic crater with stunning sunrise views.
2h $2

Best Areas to Stay

Jeju City
Convenient for access to attractions and restaurants.
TouristsBusinessFamilies
Seogwipo
Quieter atmosphere with beautiful natural surroundings.
TouristsFamilies

Typical Costs (USD)

$100
Hotel/Night
$15
Meal
$3
Transport
$4
Coffee
Estimated Daily Budget (USD)
Backpacker: $52 Tourist: $117 Family: $364

* Estimated from typical costs

Local Tips

Peak Hours:8-10am, 5-7pm
Best Day:Weekdays
Custom:Respect local traditions, especially during festivals.
Common Mistakes
  • Not trying local dishes
  • Underestimating travel time between attractions

Food & Drink

Must Try:Black Pork BBQ, Jeju Tangerine
Vegetarian:Medium
Tap Water:Drinkable
Black Pork StreetDongmun Traditional Market

Getting Around

Public Transport:Good
Walkability:75/100
Bus

Climate & Weather

Best time to visit: April, September, October

Warmest monthAug30°C average high
Coolest monthJan4°C average low
Wettest monthAug272 mm of rain
Driest monthDec56 mm of rain
Average daily high and low (°C) Rain (mm)
Monthly figures
MonthHigh °CLow °CRain mmRainy days
Jan8.63.7688
Feb9.94.0577
Mar13.36.6918
Apr18.010.8908
May22.115.0967
Jun24.919.11719
Jul29.323.72109
Aug30.124.827210
Sep26.120.92288
Oct21.615.7955
Nov16.410.4707
Dec11.05.6568

Averages for 1991–2020, not a forecast. Source: WMO climate normals (Jeju, 4 km from Jeju Island).

Jeju Island travel FAQ

When is the best time to visit Jeju Island?

April, September and October are usually the best months to visit Jeju Island. Average daytime highs range from about 9°C in January to 30°C in August.

How much does a day in Jeju Island cost?

Plan from about US$52 a day on a backpacker budget to around US$117 for a typical visitor, covering accommodation, meals and local transport (estimates).

How do I get around Jeju Island?

Public transport includes bus and is rated good. Walkability scores 75/100.

Which airport serves Jeju Island?

The nearest airport with scheduled flights is Jeju International Airport (CJU), about 16 km from Jeju Island.

Is Jeju Island safe for tourists?

Overall safety is rated high. Watch for none reported. Areas generally considered safe include Jeju City and Seogwipo. Check official travel advice before you go.

How do I stay connected in Jeju Island?

Install a South Korea eSIM before you travel and turn it on when you land at Jeju International Airport (CJU). Our South Korea plans list LG Uplus (5G) and SKTelecom (5G).

Is tap water safe to drink in Jeju Island?

Tap water is generally considered drinkable.

Explore more of South Korea

South Korea travel guideSouth Korea eSIM plans

Straight-line distances from Jeju Island.

Disclaimer

The information in this guide is intended for general travel planning purposes only and may change without notice. While every effort has been made to ensure accuracy, Graba SIM does not guarantee the completeness, reliability, or timeliness of the content. Travellers should verify entry requirements, local laws, health advice and services with official sources before and during their trip. Graba SIM is not responsible for any loss, injury, or inconvenience arising from reliance on the information provided. Always check with relevant government and health authorities for the most up-to-date travel requirements.