Japan and South Korea — one eSIM across the region
Filter by validity or data to find the plan that fits your trip.
One Japan and South Korea eSIM plan covers every country on the list, so you do not buy a new plan at each border. Buy before you fly, scan the QR code when you land, and you are online in minutes. Compare the plans below by validity and data.
- Japan
- South Korea
Plan type
Validity
What does unlimited mean?
Total: one allowance for the validity period. Daily: an allowance each day, continuation after use unconfirmed. Reduced speed: stays connected at a lower speed after the high-speed allowance. No throttling: explicitly no usage-based speed reduction. Fixed speed: a speed cap from the start. Policy unavailable: unlimited data confirmed, speed rules unknown. No throttling does not guarantee network speed.
12 plans
Covered countries & regions (2)
Japan · South Korea
2.46 USD(approx. 386 JPY)
Unlimited data at reduced speed after allowance
- Network
- 4 operators
- Speed after data runs out
- 512 Kbps
- Speed
- 3G/4G/5G
- Exits from
- Singapore
Plan brand
eSIM AccessPlan type: Unlimited · reduced speed after allowance
Covered countries & regions (2)
Japan · South Korea
2.40 USD(approx. 377 JPY)
Unlimited data at reduced speed after allowance
- Network
- 4 operators
- Speed after data runs out
- 1 Mbps
- Speed
- 3G/4G/5G
- Exits from
- Singapore
Plan brandeSIM AccessPlan type: Unlimited · reduced speed after allowance
Covered countries & regions (2)
Japan · South Korea
2.16 USD(approx. 339 JPY)
- Network
- 4 operators
- Speed
- 3G/4G/5G
- Exits from
- Singapore
- Price per GB
- 2.16 USD(approx. 339 JPY)
Plan brandeSIM AccessPlan type: Total allowance
Covered countries & regions (2)
Japan · South Korea
4.56 USD(approx. 716 JPY)
Unlimited data at reduced speed after allowance
- Network
- 4 operators
- Speed after data runs out
- 1 Mbps
- Speed
- 3G/4G/5G
- Exits from
- Singapore
Plan brandeSIM AccessPlan type: Unlimited · reduced speed after allowance
Covered countries & regions (2)
Japan · South Korea
6.46 USD(approx. 1,014 JPY)
Unlimited data at reduced speed after allowance
- Network
- 4 operators
- Speed after data runs out
- 1 Mbps
- Speed
- 3G/4G/5G
- Exits from
- Singapore
Plan brandeSIM AccessPlan type: Unlimited · reduced speed after allowance
Covered countries & regions (2)
Japan · South Korea
5.74 USD(approx. 901 JPY)
- Network
- 4 operators
- Speed
- 3G/4G/5G
- Exits from
- Singapore
- Price per GB
- 1.91 USD(approx. 300 JPY)
Plan brandeSIM AccessPlan type: Total allowance
Covered countries & regions (2)
Japan · South Korea
6.48 USD(approx. 1,017 JPY)
- Network
- 4 operators
- Speed
- 3G/4G/5G
- Exits from
- Singapore
- Price per GB
- 2.16 USD(approx. 339 JPY)
Plan brandeSIM AccessPlan type: Total allowance
Covered countries & regions (2)
Japan · South Korea
8.38 USD(approx. 1,315 JPY)
Unlimited data at reduced speed after allowance
- Network
- 4 operators
- Speed after data runs out
- 384 Kbps
- Speed
- 3G/4G/5G
- Exits from
- Singapore
Plan brandeSIM AccessPlan type: Unlimited · reduced speed after allowance
Covered countries & regions (2)
Japan · South Korea
10.40 USD(approx. 1,632 JPY)
- Network
- 4 operators
- Speed
- 3G/4G/5G
- Exits from
- Singapore
- Price per GB
- 2.08 USD(approx. 326 JPY)
Plan brandeSIM AccessPlan type: Total allowance
Covered countries & regions (2)
Japan · South Korea
15.12 USD(approx. 2,373 JPY)
Unlimited data at reduced speed after allowance
- Network
- 4 operators
- Speed after data runs out
- 384 Kbps
- Speed
- 3G/4G/5G
- Exits from
- Singapore
Plan brandeSIM AccessPlan type: Unlimited · reduced speed after allowance
Covered countries & regions (2)
Japan · South Korea
20.48 USD(approx. 3,214 JPY)
- Network
- 4 operators
- Speed
- 3G/4G/5G
- Exits from
- Singapore
- Price per GB
- 2.05 USD(approx. 321 JPY)
Plan brandeSIM AccessPlan type: Total allowance
Covered countries & regions (2)
Japan · South Korea
35.96 USD(approx. 5,643 JPY)
- Network
- 4 operators
- Speed
- 3G/4G/5G
- Exits from
- Singapore
- Price per GB
- 1.80 USD(approx. 282 JPY)
Plan brandeSIM AccessPlan type: Total allowance
Common questions about Japan and South Korea eSIMs
Which networks will a Japan and South Korea eSIM connect to?
Plans for Japan and South Korea sold here connect to KDDI/au / SoftBank / SKTelecom / LG Uplus. Speed depends on the signal where you are standing and how busy the local cell is — who you buy from does not change it.
How much does a Japan and South Korea eSIM cost?
There are 12 plans for Japan and South Korea right now, priced from 2.16 USD to 35.96 USD. Where you land depends on the data and validity you pick.
Are there unlimited plans for Japan and South Korea?
There are no truly unlimited Japan and South Korea plans here, but there are throttled-unlimited ones: once the high-speed allowance is used, the connection slows down instead of stopping. Each plan states its reduced speed under "speed after the allowance".
How many days can a Japan and South Korea eSIM cover?
Anywhere from 1 to 30 days. Validity only starts once you arrive and the eSIM actually connects to a network, so installing before you fly costs you nothing.
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Macao SAR China
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