Skip to main content

eSIM South Korea

Get a Korea sim plan from S$4.48 covering Seoul, Busan, Jeju, and the full peninsula. Your South Korea eSIM activates via QR before your Changi flight, data ready at Incheon the moment you land on SKTelecom and LG Uplus 5G networks. No contract.

Korea sim prepaid data plans

See package detail
1 day trip selected

Number of days

More days, lower price per day!

Number of eSIMs

How many travellers?

1eSIM
Total
S$4.48

to earn S$0.21 back in credit

Express checkout

Choose number of eSIMs

How many travellers

1eSIM
Total
S$4.48

to earn S$0.21 back in credit

Install your eSIM anytime. Your plan starts the moment your device connects to a local network at your destination.

Secure checkout

Encrypted & safe

VisaMastercardAmexApple PayGoogle PayJCBUnionPay

HelloRoam offers eSIM data plans for Korea from S$4.48 a day. Your e SIM connects to local 4G/5G networks the moment you land, no roaming fees. Activate by QR code in under two minutes, fuss-free. Keep your Singtel, StarHub, or M1 number active on dual SIM while your e-sim handles data across 185+ countries.

networks
212+
5G support
5G
activation
under 2 minutes

Updated

eSIM for Korea prepaid data from Incheon Airport to Seoul and Busan

Affordable eSIM for South Korea, starting from S$4.48. Local 4G LTE and 5G data on trusted carrier networks in South Korea. Works on all eSIM compatible handphones. Get a South Korea sim from HelloRoam starting at S$4.48 on SKTelecom 5G, covering Seoul, Busan, Jeju Island, and the entire peninsula. Singapore travellers love Korea year-round for cherry blossoms, autumn foliage, and K-culture. HelloRoam backs every order with a 180-day refund guarantee on unactivated eSIMs.

Korea eSIM with fast 5G coverage

HelloRoam offers eSIM plans for South Korea starting from S$4.48. Connect on 5G networks including LG U+ and SKTelecom. South Korea is a hugely popular destination for Singapore travellers drawn by K-pop culture, Korean food, and Jeju Island.

  • Plans start at S$4.48 with 5G speeds
  • Coverage from SKTelecom and 1+ other operators
  • Instant activation in under 2 minutes
  • 180-day money-back guarantee
  • Korea coverage across major cities
Network
5G
Plans From
S$4.48
Activation
Under 2 min
Guarantee
180 days
How HelloRoam Works

How to Set Up an eSIM in Korea

Follow these steps to set up your eSIM on iPhone or Android handphone. Works for any eSIM for international travel from Singapore. No replacement SIM, no store visit.

Set up an eSIM on your iPhone with the HelloRoam app

Set up an eSIM on your Android handphone with the HelloRoam app

  1. 1

    Choose your plan and checkout online

    Select a data plan for your destination and complete checkout.

  2. iPhone scanning QR code for eSIM
    Android scanning QR code for eSIM
    2

    Scan the QR code

    Scan the QR code to install your eSIM straight away.

  3. 3

    Activate in minutes: ready on arrival

    Your eSIM installs instantly and activates when you land.

  4. HelloRoam app showing how much eSIM data you have left
    4

    Manage it all from our app

    Track usage, top up data, and manage all your eSIMs in one place.

Trip changed? No worries, we've got you covered!

Plans can change anytime, and that's fine. With HelloRoam, you can request a refund on any unactivated eSIM within 180 days of purchase.

Learn more about our refund policy

HelloRoam Korea eSIM vs Singtel, StarHub and M1

When comparing eSIM vs a travel SIM card for Korea, HelloRoam wins on price. It beats Singtel DataRoam, StarHub RoamEasy, and M1 international roaming add-ons. The cheapest eSIM plan starts from S$4.48, with no activation fee and a refund on unactivated eSIMs within 180 days.

HelloRoam Korea eSIM vs Singtel, StarHub and M1
Feature comparisonHelloRoam
Local providerLimited data eSIM
Refund on unactivated eSIMsFeature availableFeature not availableFeature not available
24/7 live chat supportFeature availableFeature availableFeature available
$0 activation feesFeature availableFeature not availableFeature available
Automatic data alerts at 80% usageFeature availableFeature not availableFeature not available
No data overage chargesFeature availableFeature not availableFeature not available
Instant QR code deliveryFeature availableFeature not availableFeature available
Premium Korea carrier networksFeature availableFeature not availableFeature not available

HelloRoam eSIM versus a Korea SIM card: what do Singapore K-culture travellers choose?

  • An eSIM from HelloRoam beats a tourist sim card Korea kiosk at Incheon for Singapore travellers heading to Seoul on the AREX express. Activate via QR at home, land at Incheon on SKTelecom 5G from S$4.48, and take the train directly to Hongdae or Myeongdong with data already running. No kiosk stop required.

  • Compared to buying a South Korea SIM card from Incheon arrivals, HelloRoam locks in your SGD price before you fly. Plans run on SKTelecom and LG Uplus 5G networks across Seoul, Busan, and Jeju Island from S$4.48. No contract and no activation queue on arrival.

  • Singapore travellers wanting a prepaid SIM card Korea from duty-free shops will find fixed plan sizes with no flexibility. HelloRoam offers multiple data volumes from S$4.48 on SKTelecom 5G, sized to your Korea trip length. 180-day refund guarantee on unactivated eSIMs.

  • For Singapore families visiting Korea, managing a SIM card for Korea for each member at Incheon adds complexity. Each HelloRoam eSIM activates independently by QR in minutes on SKTelecom 5G from S$4.48. No shared contract and no SIM swap needed for any family member.

  • For data-heavy Seoul trips, a data sim card Korea from a convenience store may throttle after a daily limit. HelloRoam eSIM plans sized to your trip run on SKTelecom 5G from S$4.48 with consistent speeds across the full peninsula. No unexpected throttling.

  • Singapore travellers comparing a prepaid SIM card South Korea option against HelloRoam will note that HelloRoam confirms the total cost in SGD before checkout. Plans start from S$4.48 on SKTelecom and LG Uplus 5G networks covering Jeju, Busan, and Gyeongju on one purchase. No contract.

Why Singaporean Travellers Choose an e SIM for Korea

  • 24/7 live chat support

    Need assistance at 2 am before a flight from Changi? HelloRoam support is available 24/7. Message us and a real person responds in under 2 minutes. No bots, no hold queue. Whether you need help with eSIM installation, plan changes, or troubleshooting a connection drop, the support team handles it in real time.

  • Best eSIM for Korea: skip Singtel roaming charges

    HelloRoam connects to local 4G/5G networks in Korea from the moment you land, at a fraction of what Singtel, StarHub, or M1 charge for international roaming. Plans start from S$4.48 with no lock-in contract and no activation fees. You pay once and use data freely without surprise overage charges.

  • Keep your Singtel, StarHub, or M1 number

    Keep your Singtel, StarHub, or M1 number active for calls and texts. HelloRoam handles your data through a second eSIM line on any dual SIM compatible handphone. Family and colleagues reach you on the same Singapore number while your travel data runs on a separate prepaid eSIM plan.

  • 212+ carrier networks including Korea

    HelloRoam connects to 212+ carrier networks across 185+ countries. Fixed data and unlimited data plans available. Your handphone switches to the strongest available 4G/5G or 5G signal automatically, where offered by the local network. That means consistent speeds whether you are in a major city, a highway rest stop, or a rural area.

  • Data alerts before you run out

    HelloRoam alerts you at 80% data usage so you are never caught mid-trip without data. Top up instantly from the app without reinstalling your eSIM or visiting a store. Additional data activates in under a minute, keeping your connection live through navigation, video calls, and streaming.

  • Local 4G/5G speeds

    Your South Korea eSIM connects to trusted local 4G/5G networks. HelloRoam picks the strongest available signal for navigation, streaming, and video calls. You get local network speeds comparable to a prepaid SIM card purchased in-country, without the airport queue.

  • Regional and global eSIM plans

    Travelling to multiple destinations? HelloRoam regional eSIM plans cover Southeast Asia, Europe, the Americas, and 185+ destinations in one purchase. Short holiday or long-term stay: choose fixed data or unlimited data plans. One account, no SIM swaps. A single regional plan replaces the hassle of sourcing a new local SIM card at every border crossing.

  • Hotspot and data sharing at no extra cost in Korea

    Share your Korea eSIM data with a laptop or tablet using your handphone's built-in hotspot. No extra fees, no setup required. Works on all eSIM compatible devices. This is particularly useful for business travellers who need a consistent mobile broadband connection for their work laptop while abroad.

Korea eSIM Prices in 2026

Compare HelloRoam eSIM plans for Korea. Plans start from S$4.48 with local 4G/5G access. No Singtel or StarHub roaming surcharges.

Korea eSIM Prices in 2026
Number of daysPrice (AUD)
1 dayS$4.48
3 daysS$12.78
7 daysS$27.62
15 daysS$53.80
22 daysS$73.00
30 daysS$91.47

HelloRoam vs Other eSIM Providers for Korea

See how HelloRoam compares to Airalo, Holafly, and other eSIM providers for Korea travel. HelloRoam offers a refund on unactivated eSIMs within 180 days, 24/7 live chat support, and plans from S$4.48.

Feature comparison
Feature comparisonHelloRoam
AiraloHolaflyNomadSailyUbigi
Refund on unactivated eSIMsFeature availableFeature not availableFeature not availableFeature not availableFeature not availableFeature not available
24/7 live chat supportFeature availableFeature availableFeature availableFeature not availableFeature availableFeature available
A$0 activation feesFeature availableFeature not availableFeature availableFeature not availableFeature not availableFeature not available
Automatic data alerts at 80% usageFeature availableFeature not availableFeature not availableFeature not availableFeature not availableFeature not available
No data overage chargesFeature availableFeature not availableFeature availableFeature not availableFeature not availableFeature not available
Instant QR code deliveryFeature availableFeature availableFeature availableFeature availableFeature availableFeature available
Premium Korea carrier networksFeature availableFeature not availableFeature not availableFeature not availableFeature not availableFeature not available
Own branded carrier identity (SPN)Feature availableFeature not availableFeature not availableFeature not availableFeature not availableFeature available

e SIM Explained: Setting Up eSIM for Korea

An eSIM card is a digital SIM built directly into your handphone. There is no physical chip and no SIM tray to deal with. Scan a QR code to activate your e SIM in under 2 minutes on any eSIM compatible iPhone or Android. An eSIM for Korea works as a prepaid data plan with no airport SIM counter, no replacement SIM card, and no carrier contract. Follow the step-by-step setup guide to get connected before your flight from Changi. guide

Learn more about eSIM

Mobile connectivity guide for South Korea

South Korea has some of the world's best 5G coverage. LG U+ and SKTelecom cover Seoul, Busan, Jeju Island, Incheon, and every corner of the country with fast and reliable data.

For Singapore travellers, South Korea is a top choice for K-pop fan events, Korean food tourism, Jeju Island breaks, and Everland theme park visits. A HelloRoam eSIM is ready before you board your Changi flight.

  • HelloRoam connects to SKTelecom 5G, LG Uplus 5G in Korea
  • 5G on LG U+ and SKTelecom across Seoul, Busan, Jeju Island, and nationwide
  • Connect at Incheon International immediately after your flight from Changi
  • Covers Myeongdong, Hongdae, Busan Gamcheon village, and Jeju Island resorts

eSIM Travel Tips for Korea

  1. K-pop culture trips from Singapore: sort your eSIM first

    Many Singapore travellers visit South Korea for K-pop concerts, music shows, and fan experience events in Seoul's Hongdae and Gangnam areas. Your HelloRoam eSIM keeps Naver Maps, KakaoTalk, and ticketing apps running from the moment you arrive at Incheon International Airport.

  2. Naver Maps is better than Google Maps in South Korea

    Google Maps has limited coverage and accuracy in South Korea due to local mapping restrictions. Naver Maps and Kakao Maps are far more useful for navigation in Seoul and across the country. Both apps need live data. Download Naver Maps before your flight from Changi and set it up with your HelloRoam eSIM.

  3. Korean food and delivery apps need data

    Korean food culture is a big draw for Singapore visitors. From samgyeopsal BBQ to tteokbokki street food, food discovery apps like Naver Blog and Instagram food guides need live data. Your HelloRoam eSIM keeps all food exploration apps running throughout Seoul and Busan.

  4. Jeju Island is well covered

    Jeju Island has strong 5G and 4G coverage throughout the main resort and coastal areas including Jeju City, Seogwipo, and Hallasan National Park's lower trails. Remote hiking areas near the Hallasan summit can have limited signal. Download offline trail maps before hiking.

  5. T-money card and transit apps need connectivity

    Seoul's excellent subway system is easy to navigate with Naver Maps and the Kakao Metro app. Both need live data. Load your HelloRoam eSIM before boarding at Incheon Airport and you have transit guidance from the first stop on the AREX Airport Express into Seoul city.

Mobile networks in South Korea: what Singapore visitors need to know

HelloRoam connects on LG U+ and SKTelecom in South Korea. Both are top national operators with industry-leading 5G coverage across all major cities, tourist destinations, and transport corridors. South Korean 5G is genuinely fast and very widely deployed compared to most other countries.

SKTelecom
5G
LG Uplus
5G

HelloRoam eSIM vs Singtel, StarHub, or M1 South Korea roaming

Your data options for a South Korea trip from Singapore.

HelloRoam eSIM vs Singtel, StarHub, or M1 South Korea roaming
Category
HelloRoam eSIMRecommended
Korean SIM
Singtel, StarHub, or M1 South Korea roaming
Typical cost

From SGD 3.73 total

SGD 10.28–SGD 19.27 total

SGD 12.85–SGD 25.69/day

Details

Plans from S$4.48, one of the best value countries on the network. Buy before your Scoot or Korean Air flight from Changi, activate at home, and arrive at Incheon already on local 5G.

Tourist SIMs are available at Incheon Airport convenience stores and counters. A HelloRoam eSIM activated at home before your flight is more convenient for most Singapore travellers.

Singapore carrier Korea roaming packages can cost SGD 5 to SGD 12 per day. A week of K-pop concerts and Korean BBQ in Seoul on SG roaming adds up quickly compared to a HelloRoam eSIM.

Prices approximate as of . Actual savings vary.

Best time to visit South Korea from Singapore

Spring cherry blossoms in April and autumn foliage in October are the peak seasons for Singapore visitors. Summer in Korea is hot and humid with frequent rain but K-pop event season is busiest. Winter from December to February is cold but features Christmas markets and ski resorts.

Reviewed by the HelloRoam Editorial Team

Reviewed by the HelloRoam Editorial Team

Top Destinations in Korea

  • Seoul, South Korea

    Seoul

    HelloRoam provides full data coverage in Seoul, South Korea. Pick a plan and connect as soon as you land.

    LG U+ and SKT 5G cover all of Seoul; every Metro line and AREX airport rail line have full tunnel coverage.

  • Busan, South Korea

    Busan

    Visit Busan and stay online with HelloRoam data plans that cover all of South Korea.

    LG U+ and SKT offer 5G in Busan; Gimhae Airport and the KTX station both have full indoor coverage.

  • Daegu, South Korea

    Daegu

    Explore Daegu without losing connection. HelloRoam offers fast data across South Korea.

    LG U+ and SKT 5G cover Daegu; the city's metro lines and Dongdaegu KTX station have strong signal.

  • Incheon, South Korea

    Incheon

    HelloRoam keeps you connected in Incheon with fast mobile data across South Korea.

    LG U+ and SKT 5G cover Incheon; Incheon International Airport has 5G throughout all terminals and transit zones.

  • Yongsan Gu, South Korea

    Yongsan Gu

    HelloRoam supports full data coverage in Yongsan and nearby areas of South Korea.

    LG U+ and SKT 5G cover Yongsan; the electronics market and I-Park Mall have excellent indoor connectivity.

Showing slide 1 of 5

Reviews

Trusted by Singaporean Travellers

Real reviews from Trustpilot and the App Store, quoted as written.

40k+ travellers have used HelloRoam

Cat

Trustpilot
On a trip to Europe, my hotel Wi-Fi was so slow and outside Wi-Fi was unreliable. I couldn’t take it anymore so I got helloroam for a few days. It was tricky to set up correctly because of the primary settings (with my original number). But I reached out to their customer service via WhatsApp. Super responsive and helpful, with specific and clear steps to troubleshoot. Appreciate having 4G roaming instead of being stuck with in and out Wi-Fi during my trip!!

Rated 5 out of 5 by this reviewer

A traveller smiles at the view while holding her phone by an airport window
Very good experience! The eSIM was easy to set up and worked great in London. It was much cheaper than it would have been to use my own operator there.

Ilona

Trustpilot

Rated 5 out of 5 by this reviewer

metulker

App Store
Hard to set up but help was good

Rated 5 out of 5 by this reviewer

Reuben

Trustpilot
Really happy with HelloRoam. Everything worked as expected, from messaging and Google Maps through to streaming without any issues. Easy to use, reliable and affordable. Would happily use them again when travelling.

Rated 5 out of 5 by this reviewer

Hikers with backpacks walk along the Great Wall of China

Angeline

Trustpilot
Reliable connection. Reasonable pricing.

Rated 4 out of 5 by this reviewer

Updated

FAQs About eSIM in Korea

How much does an eSIM for Korea cost from Singapore?

An eSIM for South Korea from HelloRoam starts at S$4.48 on SKTelecom 5G. Plans cover different data volumes across Seoul, Busan, Jeju, and Incheon International Airport. Activate via QR code before your Changi departure so data is live from the AREX train on arrival. No contract.

Which tourist SIM card Korea plan suits a week covering Seoul and Busan?

An eSIM card South Korea from HelloRoam covers your full Korea trip with local network speeds. Set up takes two minutes before your Singapore departure. No physical SIM needed.

Which eSIM is best for Singaporeans travelling to Korea?

For trips to Korea, HelloRoam is a simple eSIM choice. Plans start from S$4.48 in SGD with access to local 4G/5G networks across 212+ carrier networks. Activate via QR code in under 2 minutes before departing from Changi Airport. Your Singtel, StarHub, or M1 number stays active through dual SIM while HelloRoam handles data abroad. You get a refund on unactivated eSIMs within 180 days and 24/7 live chat support.

How much does a Korea eSIM cost compared to Singtel and StarHub roaming?

A Korea eSIM from HelloRoam costs from S$4.48 for the full plan. Compare that to Singtel DataRoam daily passes and StarHub RoamEasy rates, which typically cost S$15 to S$30 per day. HelloRoam connects to local networks in Korea at local data prices, with no daily roaming surcharges and no carrier contract. All plans include local 4G/5G access with no overage charges.

Which local mobile networks does an eSIM use in Korea for Singapore travellers?

An eSIM for Korea from HelloRoam connects to local 4G/5G carrier networks. Your handphone picks the strongest available signal the moment you land. Coverage spans major cities, highways, and most rural areas. HelloRoam has direct partnerships with local networks globally, so you get data speeds comparable to a local prepaid SIM card in Korea.

How do I set up a HelloRoam eSIM before departing Changi Airport?

Buy your Korea eSIM before you leave Singapore in three steps. First, select your plan at helloroam.com and complete checkout in SGD. Second, open your handphone Settings, tap Add eSIM or Add Mobile Plan, and scan the QR code from your email. Third, your eSIM installs in under 2 minutes. Set it up the night before your flight from Changi and land connected.

What to Know Before You Buy

  • Handphone must be carrier-unlocked

  • Data only: make voice calls via WhatsApp or VoIP

  • Coverage varies by destination and local network

  • Wi-Fi required to download eSIM profile

Transparency Notice

Service Provider Name (SPN)
The SPN is a standard field in every eSIM profile, and it is why HelloRoam shows up as the carrier name on your handphone's status bar. Most travel eSIM resellers skip this step. HelloRoam provisions its own Service Provider Name.
Public Network Name (PNN)
The PNN is the network name field inside your eSIM profile, defined in the 3GPP standard TS 31.102 (EF_PNN). Your handphone can read this field to display the name of the network you are connected to.
Access Point Name (APN)
Your HelloRoam eSIM sets its Access Point Name automatically during installation. Your handphone picks up the strongest local network without any manual settings to fiddle with.

Prices shown are HelloRoam's retail rates across 185+ countries. Plan picks are based on real traveller feedback and network performance data, not guesswork. You can get a refund on unactivated eSIMs within 180 days.

Future Syncs Limited 124 City Road, London, EC1V 2NX, UK +44 203 916 6249 help@helloroam.com Reg. No. 15950168

Sources

  1. GSMA eSIM Specification
  2. ITU Telecom Statistics
  3. HelloRoam Network Coverage

Browse all East Asia eSIM plans

App Store rating4.7/5

Get the app. Travel smarter.

Manage your eSIMs from your phone, wherever you are.

4.7
App Store rating
QR code to download the HelloRoam app