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Good for WhatsApp, maps, email and basic browsing.
Network: Multi-network
Speed: 5G
Network: Multi-network
Speed: 5G
Internet breakout: Hong Kong
Top-up available
Hotspot supported
Network: DOCOMO(IIJ)
Speed: 4G/5G
Hotspot supported
Top-up available
Hotspot supported
Network: NTT Docomo Japan
Speed: 4G/5G
Internet breakout: JAPAN
Hotspot supported
Better for social media, regular browsing and longer days out.
Network: NTT docomo
Speed: 4G
Network: Multi-network
Speed: 4G/5G/LTE
Hotspot supported
Network: Multi-network
Speed: 5G
Internet breakout: Hong Kong
Top-up available
Hotspot supported
Network: NTT Docomo Japan
Speed: 4G/5G
Internet breakout: JAPAN
Hotspot supported
Top-up available
Hotspot supported
For hotspot, video calls, streaming and longer stays.
Network: Multi-network
Speed: 5G
Network: NTT Docomo Japan
Speed: 4G/5G
Internet breakout: JAPAN
Hotspot supported
Network: Multi-network
Speed: 5G
Internet breakout: Hong Kong
Top-up available
Hotspot supported
Network: Multi-network
Speed: 4G/5G/LTE
Hotspot supported
Network: Multi-network
Speed: 4G/5G
Top-up available
Hotspot supported
Unlimited plans with fair-use details shown where available.
Then unlimited at: 200kbps
Plan type: Data only
Internet breakout: JAPAN
Hotspot supported
Then unlimited at: 384kbps
Plan type: Data only
Internet breakout: Hong Kong
Hotspot supported
Then unlimited at: 384kbps
Plan type: Data only
Hotspot supported
Then unlimited at: 384kbps
Plan type: Data only
Internet breakout: Singapore
Hotspot supported
Plan type: Data only
Hotspot supported
Compare Japan eSIM plansCompare eSIM plans for Japan
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Astaroam
eSIM plans for Japan
Plan prices come from independent supplier feeds and may change. Check the final price with the provider before purchase.
Based on what you've selected
These plans are from the same provider and offer similar data for the same number of days. They may differ in price, mobile network, connection speed or other conditions. We show them together to make browsing easier. You can open each plan to check its full details before choosing.
| Price | Mobile networks | Connection | Open plan |
|---|---|---|---|
| $1.06Lowest-priced option | NTT docomo, Rakuten Mobile, KDDI/au, SoftBank | 5G | View details |
| $1.06 | NTT docomo | 4G | View details |
| $1.06 | KDDI/au | 5G | View details |
| $1.17 | NTT docomo, Rakuten Mobile, KDDI/au, SoftBank | 5G | View details |
| $1.17 | NTT docomo | 5G | View details |
| $1.55 | KDDI/au, SoftBank | 5G | View details |
These plans are from the same provider and offer similar data for the same number of days. They may differ in price, mobile network, connection speed or other conditions. We show them together to make browsing easier. You can open each plan to check its full details before choosing.
| Price | Mobile networks | Connection | Open plan |
|---|---|---|---|
| $1.28Lowest-priced option | NTT docomo, Rakuten Mobile, KDDI/au, SoftBank | 5G | View details |
| $1.45 | KDDI/au, SoftBank | 5G | View details |
| $1.50 | NTT docomo, Rakuten Mobile, KDDI/au, SoftBank | 5G | View details |
| $1.50 | NTT docomo | 5G | View details |
These plans are from the same provider and offer similar data for the same number of days. They may differ in price, mobile network, connection speed or other conditions. We show them together to make browsing easier. You can open each plan to check its full details before choosing.
| Price | Mobile networks | Connection | Open plan |
|---|---|---|---|
| $1.51Lowest-priced option | NTT docomo, Rakuten Mobile, KDDI/au, SoftBank | 5G | View details |
| $2.80 | NTT docomo, Rakuten Mobile, KDDI/au, SoftBank | 5G | View details |
| $2.80 | NTT docomo | 5G | View details |
| $3.00 | KDDI/au, SoftBank | 5G | View details |
| $3.16 | NTT docomo, Rakuten Mobile, KDDI/au, SoftBank | 5G | View details |
| $4.48 | KDDI/au, SoftBank | 5G | View details |
These plans are from the same provider and offer similar data for the same number of days. They may differ in price, mobile network, connection speed or other conditions. We show them together to make browsing easier. You can open each plan to check its full details before choosing.
| Price | Mobile networks | Connection | Open plan |
|---|---|---|---|
| $1.71Lowest-priced option | NTT docomo | 5G | View details |
| $2.00 | NTT docomo | 4G | View details |
These plans are from the same provider and offer similar data for the same number of days. They may differ in price, mobile network, connection speed or other conditions. We show them together to make browsing easier. You can open each plan to check its full details before choosing.
| Price | Mobile networks | Connection | Open plan |
|---|---|---|---|
| $2.15Lowest-priced option | NTT docomo, Rakuten Mobile, KDDI/au, SoftBank | 5G | View details |
| $2.41 | KDDI/au, SoftBank | 5G | View details |
| $2.58 | NTT docomo, Rakuten Mobile, KDDI/au, SoftBank | 5G | View details |
| $2.58 | NTT docomo | 5G | View details |
These plans are from the same provider and offer similar data for the same number of days. They may differ in price, mobile network, connection speed or other conditions. We show them together to make browsing easier. You can open each plan to check its full details before choosing.
| Price | Mobile networks | Connection | Hotspot | Open plan |
|---|---|---|---|---|
| $2.22Lowest-priced option | KDDI, Softbank | 4G/5G/LTE | Yes | View details |
| $2.87 | DOCOMO(IIJ) | 4G/5G | Yes | View details |
These plans are from the same provider and offer similar data for the same number of days. They may differ in price, mobile network, connection speed or other conditions. We show them together to make browsing easier. You can open each plan to check its full details before choosing.
| Price | Mobile networks | Connection | Open plan |
|---|---|---|---|
| $2.26Lowest-priced option | NTT docomo, Rakuten Mobile, KDDI/au, SoftBank | 5G | View details |
| $2.26 | NTT docomo | 5G | View details |
| $2.44 | NTT docomo, Rakuten Mobile, KDDI/au, SoftBank | 5G | View details |
| $2.44 | NTT docomo | 4G | View details |
| $2.44 | KDDI/au | 5G | View details |
| $3.52 | KDDI/au, SoftBank | 5G | View details |
These plans are from the same provider and offer similar data for the same number of days. They may differ in price, mobile network, connection speed or other conditions. We show them together to make browsing easier. You can open each plan to check its full details before choosing.
| Price | Mobile networks | Connection | Open plan |
|---|---|---|---|
| $2.30Lowest-priced option | NTT docomo, Rakuten Mobile, KDDI/au, SoftBank | 5G | View details |
| $2.30 | NTT docomo | 4G | View details |
| $2.30 | KDDI/au | 5G | View details |
| $2.37 | NTT docomo, Rakuten Mobile, KDDI/au, SoftBank | 5G | View details |
| $2.37 | NTT docomo | 5G | View details |
| $3.62 | KDDI/au, SoftBank | 5G | View details |
Try widening your search or browsing all plans.
Staying connected in Japan
A quick look at what the eSIM plans for Japan in our index offer, plus a few practical essentials for your trip.
Networks the plans use
Based on the plans currently listed for Japan in our index. Network details are provided by suppliers and may change.
Travel essentials
- CurrencyJapanese yen (JPY)
- Dialling code+81
- Local timeJST (GMT+9)
- LanguageJapanese
Guides for visiting Japan
How much travel data do you really need abroad?
How much data do you need abroad? Compare 1GB, 3GB, 5GB, 10GB and unlimited travel eSIMs, with real-world usag...
Read guide →Do you actually need calls and SMS on a travel eSIM?
Do you need calls and SMS on a travel eSIM? Learn how data-only plans work with WhatsApp, your existing number...
Read guide →What is an eSIM and how does it work?
What is an eSIM and how does it work? Learn how to install and activate a travel eSIM, check phone compatibili...
Read guide →eSIM vs roaming vs local SIM: how to stay connected abroad
Travel eSIM, international roaming or a local SIM card? Compare costs, convenience, coverage and phone number...
Read guide →How to choose the best Japan eSIM for your trip
apan is a bucket list trip where being connected genuinely changes the experience. Train times and platform changes, restaurant queues, translation of menus and signs, and navigating the sprawl of Tokyo and Osaka all run through your phone, and public WiFi, while it exists, is patchy and often clunky for visitors.
Coverage from the major carriers, NTT Docomo, au by KDDI and SoftBank, is outstanding. 4G is essentially everywhere you will go, 5G is broad in the cities, and even fast rural trains and mountain towns tend to stay connected. Japan is one of the most reliably covered countries in the world, so the question for visitors is really about avoiding the cost and awkwardness of the old pocket WiFi rental model, which means carrying and charging an extra device and returning it before you fly.
An eSIM replaces all of that with a profile on the phone you already carry. You land at Narita, Haneda or Kansai already online, ready for the train app and maps. For a classic Tokyo, Kyoto and Osaka itinerary with heavy map and translation use, a solid data plan is worth it, and you can extend easily if you add a few more days exploring.
On eSIM Indexer, you can compare 1055 active eSIM plans for Japan from 17 providers (ABestEsim, AdventureSIMs, Airalo, BuyUKeSIM and 13 others). Prices start at $0.72 and go up to $4,506.95.
Both fixed-data plans (up to 100GB) and unlimited options are available; validity ranges from 1 to 365 days.