🇰🇷 Travel eSIM plans for South Korea

From just S$8.30/day*
  • Data without limits
  • 7 days of validity
  • Fast and reliable connectivity
  • Stop paying roaming fees
  • QR code sent to your email
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Length of trip
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7
How many eSIMs
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1
Load your eSIM before you go or while you're away. Your plan starts when you land at your destination and switch on your eSIM.

* Lowest per-day price is based on the longest unlimited data plan available.

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Learn how TPG Mobile compared to other choices in South Korea.

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Asia eSIM

Explore the Region with Asia eSIM

Cover South Korea and all nearby destinations on a single regional eSIM — no swapping SIMs, no hidden charges. Starting from S$2.76.

View Asia Plans
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eSIM pricing for South Korea

All pricing in SGD

7 days of unlimited data in South Korea costs S$59.34 — about S$8.48 a day on SK Telecom, KT or LG U+, with no roaming charge and no SIM to swap. In South Korea, 5G is live and median mobile download speed is 145.1 Mbps.

Duration Price Daily rate
1 day S$9.86 S$9.86/day
3 days S$26.37 S$8.79/day
5 days S$42.85 S$8.57/day
7 days S$59.34 S$8.48/day
10 days S$84.10 S$8.41/day
15 days S$125.34 S$8.36/day
30 days S$249.06 S$8.30/day
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Which South Korea eSIM plan fits your trip?

Choose a South Korea eSIM by matching the allowance to your trip length and expected use, then check the existing network table for phone compatibility. The page keeps its country-specific operator, band and median-speed information, while the sections below help you compare plan sizes and consult the official operator maps linked through SmartChoice.

Start with the length of your stay, then allow for navigation, messaging, streaming and work use. A fixed-volume plan gives you one data pool across its stated validity period.

Short trip

1 GB / 7 days

Best for: A short visit where mobile data is mainly for maps, messages and occasional browsing.

This is the smallest fixed-volume profile for a stay of up to seven days.

Usage tip: Use Wi-Fi for video, photo backups and app updates to keep more data available while you are out.

Two-week trip

3 GB / 15 days

Best for: Trips of up to two weeks with regular navigation, messaging and light social-media use.

The 3 GB allowance remains available across the stated fifteen-day validity period.

Usage tip: Download maps before longer journeys and use mobile data for live directions and updates.

Longer or higher use

10 GB or more / 30 days

Best for: Longer stays or travellers planning regular streaming, video calls or work-app use.

A larger thirty-day data pool gives heavier activities more room than the short-trip profiles.

Usage tip: Compare your normal phone usage with the available allowances and monitor usage during the trip.

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Which networks you connect to in South Korea

Your eSIM roams onto South Korea's own operators. These are the networks and the frequencies they run — check your phone supports them before you travel.

Operator 4G / LTE bands 5G bands 5G
SK Telecom B1, B3, B5, B7, B8 n78, n257 Yes
KT B1, B3, B5, B7, B8 n78, n257 Yes
LG U+ B1, B3, B5, B7, B8 n78, n257 Yes
145.1 Mbps
Median download
18.0 Mbps
Median upload

Source: Ookla Speedtest Global Index, July 2025

Coverage in South Korea

Subway and underground coverage is near-universal across all carriers; no significant rural not-spots. Foreign phones lacking B5 (850 MHz) may experience reduced LTE coverage in some indoor and rural areas where SK Telecom and KT rely on B5 for low-band reach.

Where to check mobile coverage in South Korea

SmartChoice links the statutory mobile coverage maps supplied by SK Telecom, KT and LG U+. Check the relevant operator map for the places on your itinerary, then confirm the network details for the selected eSIM product.

Cities and accommodation

Use the operator maps to check the area around each hotel, apartment or work location. Match the map you consult to the network information for the selected product.

Subways, indoor areas and regional routes

Check stations, underground areas and routes separately from the destination. Compare your phone with B5 and the other bands in the existing network table when planning indoor or regional use.

Jeju and onward travel

Check the operator map for your exact Jeju itinerary and the selected product's country scope for every stop. For travel beyond South Korea, compare a matching country plan with a regional option before departure.

Phone compatibility in South Korea

For broad compatibility, compare your phone with the 4G and 5G bands in the existing South Korea network table. The published network notes highlight B5 for some indoor and wider-area LTE coverage, while n78 and n257 are the listed 5G bands.

Set up the South Korea eSIM for your trip

Keep the QR code and installation instructions available offline, and complete each step according to the selected product's instructions.

When validity starts: Validity-start rules can differ by product. Check the selected plan details before installation and travel.

  1. Confirm that your phone is unlocked and supports eSIM before purchase.
  2. Save the QR code or manual installation details somewhere you can reach without mobile data.
  3. Use reliable Wi-Fi to install the profile at the time recommended in the product instructions.
  4. When you are ready to use it, select the travel eSIM for cellular data and apply the stated roaming and APN settings.
  5. Keep roaming disabled on your home line if you want to avoid using its travel data.
Network and coverage sources, checked 2026-10-10
South Korea travel guide

Enjoying South Korea

South Korea blends deep Confucian traditions with hyper-modern energy. In Seoul's palaces and Jeju Island's volcanic landscapes, you feel Asia's layered history. UNESCO sites like Gyeongju's Silla dynasty relics sit alongside the global phenomenon of the Korean Wave - K-pop, K-dramas and K-beauty products that define contemporary culture. With SK Telecom's 5G network, you stay connected from Seoul and Incheon to remote temples. TPG Mobile recommends using Naver Maps for navigation and downloading Papago for translation. Carry a T-money card for subways and buses; it works nationwide. Respect local customs: remove shoes before entering homes and certain restaurants, and use both hands when receiving objects. Tipping is not expected. Quiet carriage rules apply on trains and in some subway cars - put your phone on silent.

Top Attractions

Gyeongbokgung Palace & Bukchon, Seoul - Start at the largest of Seoul's five grand palaces, then walk behind it to Bukchon Hanok Village, a living neighbourhood of traditional Korean houses. Arrive early to avoid crowds.

  • DMZ & Joint Security Area - A sobering day trip from Seoul. Book through an official tour operator. Passports are mandatory and dress code restrictions apply.
  • Jeju Island - Volcanic craters, lava tubes and tangerine orchards. Rent a car or join guided tours; public transport is limited.
  • Bulguksa Temple & Seokguram Grotto, Gyeongju - Masterpieces of Silla-era Buddhist art. The grotto requires a steep uphill walk; go early to avoid queues.
  • Seoraksan National Park - Dramatic granite peaks and suspension bridges. Suitable for fit hikers; cable cars reduce walking time.

Must-Try Foods

Korean BBQ (Samgyeopsal/Galbi) - You grill pork belly or beef ribs at your table. Order from the banchan (side dishes) that arrive first. In Seoul, Mapo-gu's BBQ alley is a reliable choice.

  • Kimchi - Fermented and spicy cabbage served with almost every meal. Excellent for digestion.
  • Bibimbap - Mixed rice with vegetables, egg and gochujang. The Jeonju version is particularly revered.
  • Tteokbokki - Chewy rice cakes in a fiery red sauce. Street food staple in Myeongdong and Hongdae.
  • Sundubu Jjigae - Soft tofu stew with seafood or beef. Ask for it 'not spicy' if your tolerance is low.
  • Chimaek - Fried chicken and beer. A quintessential Korean pairing best enjoyed at a pojangmacha (tent bar).

Best Time to Visit

Spring (March to May) offers mild weather and cherry blossoms. Yeouido in Seoul and the temples of Gyeongju and Jeju Island are peak bloom spots. Expect crowds during April.

Autumn (September to November) brings crisp air and foliage. Seoraksan and Naejangsan are prime for leaf-peeping. September can still be humid; November turns chilly.

Summer (June to August) is hot, humid and rainy. July is monsoon peak. Despite the weather, beach resorts on the east coast and Jeju Island are lively. Book accommodation well in advance.

Winter (December to February) is cold and dry. Seoul often drops below freezing. Ski resorts in Gangwon-do operate from December. The lack of crowds and lower prices appeal to budget travellers.

Packing Essentials

South Korea's four distinct seasons demand flexibility. Layers for spring/autumn - a light jacket, sweaters and a waterproof outer shell handle temperature swings. Heavy winter coat for December-February - Seoul's wind chill is biting. Thermal underwear and insulated boots are advisable.

Comfortable walking shoes - Seoul's hilly streets and extensive subway transfers require them. T-money card - buy and top up at any convenience store; it covers buses, subways and taxis. Naver Maps app - Google Maps does not provide walking or public transport directions in Korea. A travel eSIM - activate before departure for instant connectivity. Pack a reusable shopping bag; supermarkets charge for plastic bags. A portable charger is useful - Koreans use their phones heavily for payments and navigation.

Common questions about travel eSIMs

Answers to the questions travellers most often ask about using an eSIM overseas, from choosing a data plan to setting up before departure. South Korea eSIM

Yes, South Korean carriers have near-universal coverage in subways and underground spaces. On SK Telecom, KT, or LG U+, you should maintain connectivity throughout the metro network.

You may see reduced LTE coverage indoors and in some rural areas. SK Telecom and KT rely on band 5 for low-band reach. The other bands (B1, B3, B7, B8) still cover most locations with strong signals.

Which network your eSIM lands on depends on your provider. All three operators — SK Telecom, KT, and LG U+ — support the same 4G and 5G bands, so performance is generally very similar across them in South Korea.

This eSIM covers South Korea only. It will not work in North Korea. You can use it on Jeju Island without issue. In the DMZ, signal may drop near the border due to official restrictions, so expect limited connectivity there.

Yes, South Korea law requires identity verification for all SIM activations. When you install the eSIM, the provider will ask for a scanned copy or photo of your passport. Activation may be delayed until this is submitted and approved.

Use 1 GB for a short light-use trip, 3 GB for a longer stay with regular maps and messaging, or compare plans of 10 GB and above for streaming, video calls or work use.

SmartChoice links to the statutory coverage maps from SK Telecom, KT and LG U+. Use the map that matches the selected product's network information and check your accommodation and routes.

The start rule is product-specific. Review the selected plan details before installing it so you know whether any action is required before arrival.
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