eSIMGuide - Compare Travel eSIM Plans

Updated Sep 2026

Flag of South Korea

Compare eSIMs for South Korea 2026

Compare 7,606 plans from 49 providers

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SimOptions for South KoreaFlag of South Korea8 hours ago

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Which mobile networks you get in South Korea

SK Telecom is the clearest thread through South Korea’s published eSIM lists, so the network choice is largely settled before a buyer picks a profile: most stated options point to it. LG Telecom and KT are the alternatives worth examining when a different named operator matters. The fastest technology listed anywhere below is 5G, but that is a ceiling stated for a profile, not a promise that a handset will hold 5G throughout a trip.

  • SKTelecomBest stated technology: 5G

    Operated by SK Telecom

    27 of 31 providers

    Bloomy eSIM, RedEx eSIM, Roamix, YonoSIM, and eSIMnow +22 more

  • LG UBest stated technology: 5G

    Operated by LG Telecom

    23 of 31 providers

    Bloomy eSIM, RedEx eSIM, Roamix, AbestESIM, and YonoSIM +18 more

  • KTBest stated technology: 5G

    13 of 31 providers

    RedEx eSIM, eSimCard, Esimatic, GigSky, and MyEsimGlobal +8 more
Show 1 more network

  • ollehBest stated technology: 4G

    Operated by KT

    1 of 31 providers

    ZenSim

Where your data comes out in South Korea

None of the listed providers breaks out in South Korea: traffic goes through gateways in Hong Kong, Singapore or the United States, typically giving about 50ms, 88ms or 181ms of round-trip delay respectively. That affects responsiveness rather than download speed, with the US route most likely to feel laggy during a competitive game or video call. Your IP address will also appear to be in the breakout country, so a Korean banking app may reject it. Check the breakout location, not just the local network, before buying.

Where each provider breaks out, nearest first. Estimated from distance, not measured.

180 ms
  • eSIMnoweSIMnowFlag of Hong Kong~50 ms
  • Bloomy eSIMBloomy eSIMFlag of Singapore~88 ms
  • RedEx eSIMRedEx eSIMFlag of Singapore~88 ms
  • RoamixRoamixFlag of Singapore~88 ms
  • AbestESIMAbestESIMFlag of Singapore~88 ms
  • YonoSIMYonoSIMFlag of Singapore~88 ms

South Korea eSIM prices, month by month

Data has been getting cheaper in South Korea: a gigabyte typically goes for $0.80 now, against $1.25 when we started tracking it in December 2025, a fall of 36% across 10 months.

That is 51% below the $1.62 a gigabyte typically costs across the 229 destinations we track — only 44 of them come in lower, which puts South Korea among the cheapest places in the world to buy mobile data as a visitor. The move is recent: the figure went up 13% in September 2026 alone.

Every figure here is the lower quartile of the plans in our catalogue that month — the cheaper end of what was actually on sale, rather than an average pulled up by a handful of premium plans.

  • South Korea$0.80
  • All destinations$1.62
Typical per GB
$0.80down 36% since Dec 2025
Typical per day
$0.90up 38% since Dec 2025
Plans compared
7,606up 6,404 since Dec 2025
Providers
49up 26 since Dec 2025

Change measured since December 2025, our first monthly snapshot.

Show all 10 months
September 2026$0.80up 13% on the previous monthTypical per GB$0.90up 64% on the previous monthTypical per day7,606up 131% on the previous monthPlans49up 21 on the previous monthProviders
August 2026$0.71down 16% on the previous monthTypical per GB$0.55down 15% on the previous monthTypical per day3,287up 14% on the previous monthPlans28up 4 on the previous monthProviders
July 2026$0.85up 6% on the previous monthTypical per GB$0.65up 3% on the previous monthTypical per day2,890down 3% on the previous monthPlans24down 1 on the previous monthProviders
June 2026$0.80down 11% on the previous monthTypical per GB$0.63down 6% on the previous monthTypical per day2,972up 4% on the previous monthPlans25Providers
May 2026$0.90up 1% on the previous monthTypical per GB$0.67down 4% on the previous monthTypical per day2,861up 3% on the previous monthPlans25up 1 on the previous monthProviders
April 2026$0.89down 7% on the previous monthTypical per GB$0.70up 9% on the previous monthTypical per day2,781up 40% on the previous monthPlans24up 1 on the previous monthProviders
March 2026$0.96down 16% on the previous monthTypical per GB$0.64down 4% on the previous monthTypical per day1,986down 19% on the previous monthPlans23Providers
February 2026$1.14down 31% on the previous monthTypical per GB$0.67down 9% on the previous monthTypical per day2,440up 70% on the previous monthPlans23Providers
January 2026$1.65up 32% on the previous monthTypical per GB$0.74up 14% on the previous monthTypical per day1,433up 19% on the previous monthPlans23Providers
December 2025$1.25Typical per GB$0.65Typical per day1,202Plans23Providers

Frequently Asked Questions about eSIMs for South Korea

How many travel eSIM brands (providers) are available for use in South Korea, and how many prepaid data plans are there?

A crowded provider field is the starting point here. RedEx eSIM, AbestESIM, Roamix, AirHub, eSIMnow and MicroESIM have particularly deep catalogues, but their plans are not interchangeable. The listings name access through SKTelecom, LG U, KT and olleh, showing that these travel brands are reselling local networks rather than providing separate infrastructure. The useful comparison is therefore between data sizes, expiry rules and what happens after the included allowance is used; a recognisable provider name alone says little about which offer fits the trip.

What are the mobile networks available for a travel eSIM in South Korea?

SKTelecom, LG U, KT and olleh are the operators named in travel-eSIM provider information for South Korea. There is therefore a genuine choice of operator beneath the eSIM, but it is usually made by the provider rather than by the traveller: the plan’s published network list determines which operator the eSIM roams onto. That makes the outcome knowable when comparing plans, rather than something to discover after landing. Two eSIMs sold for the same destination can consequently differ in the operator attached to them; the practical comparison is the provider’s stated network, allowance and terms.

Are there any free data eSIM plans available for South Korea?

A handful of Korean eSIM listings are priced at zero, but these are introductory samples rather than plans for a trip. The allowance is usually small and often requires registration or is limited to one customer. That makes it useful for getting basic access when you arrive or checking compatibility, not for normal holiday use. Since most major eSIM brands sell South Korea packages, free data is the exception rather than the norm.

Are there any unlimited data eSIM plans available for South Korea?

Several major providers sell eSIMs for South Korea marked as unlimited, but that label is not a reliable basis for choosing between them. It usually means continued access rather than unlimited fast data: one plan may restore full speed each day, while another uses its fast-data allowance across the whole validity period. Once that allowance is used, speeds can fall far enough to make video and map loading frustrating, though messaging may still work. Check the allowance, reset arrangement and post-throttle performance before buying.

Destinations near South Korea

Crossing a border from South Korea? Compare eSIMs for the countries around it.

Regional eSIMs that cover South Korea: East Asia, Asia

eSIM Providers for South Korea

SKTelecom, LG U and KT give travellers a real choice of underlying networks, rather than a single route shared across the market. An eSIM naming more than one can use another operator when reception is weaker in a particular place, which matters on journeys beyond the main cities. Before buying, check the networks listed for each plan against your itinerary; a single-network option leaves less flexibility if that operator is weaker at a stop.

43 providers sell eSIMs for South Korea. Open one for its prices, its full plan list and the networks it puts you on here.