Best eSIM for South Korea

Compare 744+ data plans from 29 providers. Sort by price per GB, coverage, and features. Activate in minutes.

20/744 eSIM plan(s)

Last updated: May 13, 2026

Data

20 GB

Validity30 day(s)

South Korea

Data only

Network(s) : SK (5G, 5G), KT (5G, 5G)

Special Offer: 30% OFF

$7.41

$10.59

$0.37/GB
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Data

10 GB

Validity1 day(s)

South Korea

Data only

Special Offer: $3 CREDIT

$4.50

$0.45/GB
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Data

20 GB

ValidityNo expiration

South Korea

Data only

Network(s) : SK (5G, 5G), KT (5G, 5G)

Special Offer: 30% OFF

$9.06

$12.94

$0.45/GB
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Data

10 GB

Validity30 day(s)

South Korea

Data only

Network(s) : SK (5G, 5G), KT (5G, 5G)

Special Offer: 30% OFF

$4.94

$7.06

$0.49/GB
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Data

8 GB

Validity1 day(s)

South Korea

Data only

$4.12

$0.52/GB
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Data

20 GB

Validity30 day(s)

South Korea

Data only

$11.12

$0.56/GB
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Data

5 GB

Validity30 day(s)

South Korea

Data only

Network(s) : SK (5G, 5G), KT (5G, 5G)

Special Offer: 30% OFF

$2.88

$4.11

$0.58/GB
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Data

10 GB

ValidityNo expiration

South Korea

Data only

Network(s) : SK (5G, 5G), KT (5G, 5G)

Special Offer: 30% OFF

$5.76

$8.23

$0.58/GB
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Data

10 GB

Validity1 day(s)

12 countries

Data only

Special Offer: $3 CREDIT

$5.90

$0.59/GB
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Data

20 GB

Validity90 day(s)

South Korea

Data only

Special Offer: $3 CREDIT

$11.90

$0.59/GB
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Data

20 GB

Validity7 day(s)

South Korea

Data only

$12.80

$0.64/GB
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Data

24 GB

Validity8 day(s)

South Korea

Data only

$15.50

$0.65/GB
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Data

20 GB

Validity30 day(s)

South Korea

Data only

$13.80

$0.69/GB
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Data

5 GB

ValidityNo expiration

South Korea

Data only

Network(s) : SK (5G, 5G), KT (5G, 5G)

Special Offer: 30% OFF

$3.70

$5.29

$0.74/GB
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Data

10 GB

Validity60 day(s)

South Korea

Data only

Special Offer: $3 CREDIT

$7.50

$0.75/GB
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Data

30 GB

Validity7 day(s)

11 countries

Data only

$22.80

$0.76/GB
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Data

10 GB

Validity7 day(s)

South Korea

Data only

$7.80

$0.78/GB
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Data

20 GB

Validity7 day(s)

11 countries

Data only

$15.80

$0.79/GB
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Data

3 GB

Validity30 day(s)

South Korea

Data only

Network(s) : SK (5G, 5G), KT (5G, 5G)

Special Offer: 30% OFF

$2.46

$3.51

$0.82/GB
Learn moreย โ€บ
Data

25 GB

Validity30 day(s)

South Korea

Data only

Special Offer: 15% OFF

$21.25

$25.00

$0.85/GB
Learn moreย โ€บ

Frequently Asked Questions about eSIM for South Korea

We compare 744+ eSIM plans from 29 providers for South Korea. Our #1 pick is a top provider, selected for offering the best balance of price, network quality, and features among plans with at least 10GB of data. For budget travelers, a budget provider offers plans starting from $3.00, the most affordable option with at least 5GB of data.

eSIM plans for South Korea start from $0.70. Here's a breakdown by data amount: 1-2GB plans from $1.00 (Nomad, 3 days); 3-5GB plans from $2.46 (BNESIM, 30 days); 6-10GB plans from $4.12 (Firsty, 1 days); 15-20GB plans from $7.41 (BNESIM, 30 days); 25-50GB plans from $21.25 (Voye, 30 days). Prices vary by validity period and provider. Use our filters to find the best deal for your trip duration.

Getting an eSIM for South Korea involves choosing a provider and installing the eSIM profile. The process varies by provider. For purchasing, most providers let you buy directly from their website with no app download required, though some like Airalo and Holafly offer dedicated mobile apps for easier management. Many providers also offer guest checkout without creating an account. For installation, the most common method is scanning a QR code you receive via email. Alternatively, some providers give you an activation code to enter manually in your phone settings, or if using a provider's app, the eSIM can often be installed with one tap. Most eSIMs can be purchased and installed before your trip, and data typically starts counting when you first connect to the network in South Korea. The exact options depend on which provider you choose โ€” check the provider details on each plan for specific instructions.

Have more questions? Check our Help Center

Mobile networks in South Korea

Here are the main telecom operators in South Korea:

โœ“ SK Telecom: Established in 1984, SK Telecom is the largest telecom operator in South Korea and has over 26 million subscribers. It has the best mobile coverage and speed in the country, with the highest 4G LTE download speeds of up to 75 Mbps. According to Opensignal, it has the highest 4G availability and the fastest 4G download speed. It also offers various internet and mobile plans, including prepaid plans, postpaid plans, and family plans.

โœ“ KT Corporation: Founded in 1981, KT Corporation is the second-largest telecom operator in South Korea. It has a subscriber base of over 20 million and offers 4G LTE download speeds of up to 100 Mbps. According to Opensignal, it has the highest 4G download speed and the highest 4G latency. It also offers various services, such as broadband internet, fixed-line phone services, and mobile services.

โœ“ LG U+: LG U+ is the third-largest telecom operator in South Korea, established in 1995. It has a subscriber base of over 12 million and offers 4G LTE download speeds of up to 60 Mbps. According to Opensignal, it has the highest 3G download speed, but is behind SK Telecom and KT Corporation in terms of 4G availability and download speeds. It also offers a variety of services, such as broadband internet, fixed-line phone services, television services, and mobile services.

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