Define the minimum purchase
Choose enough listed data and enough validity for the trip. A minimum of 5 GB admits larger bundles too; it does not mean every result contains exactly 5 GB.
Cheapest Japan eSIMs: 267 Providers Compared
23,088 matching plans from 267 providers. Listed regular prices from $0.23.
Find a lower listed total ↗Photo: Kentaro Ohno from Tokyo, Japan · CC BY 2.0 · Cropped for display
23,088 matching offers267 providersFeed checked 08 Nov 2026, 22:10 UTC
Low prices for a few useful data sizes
Our price rulesThe least expensive matching regular-price offers for Japan.
| Your trip | Lowest listed offer | Actual allowance | Regular price |
|---|---|---|---|
| Lowest paid listed allowance |  eSIMPalLowest paid total | 1 GB · 30 days | $0.29 |
| At least 5 GB · 7 days |  ESIM.DOG 🐶Lowest total · 5 GB+ | 5 GB · 7 days | $2.15 |
| At least 10 GB · 14 days | ESIM.DOG 🐶Lowest total · 10 GB+ | 10 GB · 15 days | $4.74 |
| At least 20 GB · 30 days | ESIM.DOG 🐶Lowest total · 20 GB+ | 20 GB · 30 days | $8.20 |
The comparison
Compare your next connection.
Regular prices. No codes applied. Known trials and restricted offers excluded. See free trials & eligibility
Regular prices in USD
Swipe across to compare every plan detail →
| Provider / plan | Data allowance | Validity | Network & 5G | Plan features | Price & provider |
|---|---|---|---|---|---|
500 MBper dayThen 128 Kbps | 1 dayActivation: Not specified | au-jp · SoftBank5G: Supported | Hotspot (Tethering)Supported Top-upNot specified ID checkNot specified Low-latency flagNot flagged Throttling riskNot flagged SubscriptionNo Pay as you goNo | $0.23Regular price | |
500 MBper dayThen 128 Kbps | 1 dayActivation: Not specified | au-jp · SoftBank5G: Supported | Hotspot (Tethering)Supported Top-upNot specified ID checkNot specified Low-latency flagNot flagged Throttling riskNot flagged SubscriptionNo Pay as you goNo | $0.25Regular price | |
500 MBper dayThen 128 Kbps | 1 dayActivation: Not specified | au-jp · SoftBank5G: Supported | Hotspot (Tethering)Supported Top-upNot specified ID checkNot specified Low-latency flagNot flagged Throttling riskNot flagged SubscriptionNo Pay as you goNo | $0.26Regular price | |
500 MBper dayThen 128 Kbps | 1 dayActivation: Not specified | au-jp · SoftBank5G: Supported | Hotspot (Tethering)Supported Top-upNot specified ID checkNot specified Low-latency flagNot flagged Throttling riskNot flagged SubscriptionNo Pay as you goNo | $0.26Regular price | |
500 MBper dayThen 128 Kbps | 1 dayActivation: Not specified | SoftBank5G: Supported | Hotspot (Tethering)Supported Top-upNot specified ID checkNot specified Low-latency flagFlagged Throttling riskNot flagged SubscriptionNo Pay as you goNo | $0.27Regular price | |
500 MBper dayThen 128 Kbps | 1 dayActivation: Not specified | au-jp · SoftBank5G: Supported | Hotspot (Tethering)Supported Top-upNot specified ID checkNot specified Low-latency flagNot flagged Throttling riskNot flagged SubscriptionNo Pay as you goNo | $0.28Regular price | |
1 GBReset: Not specified | 30 daysActivation: Not specified | NTT docomo · SoftBank5G: Supported | Hotspot (Tethering)Supported Top-upSupported ID checkNot specified Low-latency flagNot flagged Throttling riskNot flagged SubscriptionNo Pay as you goNo | $0.29Regular price$0.29 / listed GB | |
100 MBReset: Not specified | 7 daysActivation: Not specified | au-jp · NTT docomo · rakutenmobile-jp · SoftBank5G: Supported | Hotspot (Tethering)Supported Top-upNot supported ID checkNot required Low-latency flagNot flagged Throttling riskNot flagged SubscriptionNo Pay as you goNo | $0.29Regular price$2.90 / listed GB | |
500 MBper dayThen 128 Kbps | 1 dayActivation: Not specified | au-jp · SoftBank5G: Supported | Hotspot (Tethering)Supported Top-upNot specified ID checkNot specified Low-latency flagNot flagged Throttling riskNot flagged SubscriptionNo Pay as you goNo | $0.29Regular price | |
500 MBper dayThen 128 Kbps | 1 dayActivation: Not specified | au-jp5G: Supported | Hotspot (Tethering)Supported Top-upNot specified ID checkNot specified Low-latency flagNot flagged Throttling riskNot flagged SubscriptionNo Pay as you goNo | $0.30Regular price | |
500 MBper dayThen 128 Kbps | 1 dayActivation: Not specified | au-jp · SoftBank5G: Supported | Hotspot (Tethering)Supported Top-upNot specified ID checkNot specified Low-latency flagNot flagged Throttling riskNot flagged SubscriptionNo Pay as you goNo | $0.32Regular price | |
1 GBReset: Not specified | 7 daysActivation: Not specified | Not specified5G: Not supported | Hotspot (Tethering)Supported Top-upSupported ID checkNot required Low-latency flagNot flagged Throttling riskNot flagged SubscriptionNo Pay as you goNo | $0.33Regular price$0.33 / listed GB | |
500 MBper dayThen 128 Kbps | 1 dayActivation: Not specified | au-jp · SoftBank5G: Supported | Hotspot (Tethering)Supported Top-upNot specified ID checkNot specified Low-latency flagNot flagged Throttling riskNot flagged SubscriptionNo Pay as you goNo | $0.41Regular price | |
1 GBper dayThen 128 Kbps | 1 dayActivation: Not specified | au-jp · SoftBank5G: Supported | Hotspot (Tethering)Supported Top-upNot specified ID checkNot specified Low-latency flagNot flagged Throttling riskNot flagged SubscriptionNo Pay as you goNo | $0.44Regular price | |
1 GBtotal allowance | 3 daysActivation: Not specified | au-jp · SoftBank5G: Not supported | Hotspot (Tethering)Supported Top-upNot specified ID checkNot specified Low-latency flagNot flagged Throttling riskNot flagged SubscriptionNo Pay as you goNo | $0.46Regular price$0.46 / listed GB | |
1 GBper dayThen 128 Kbps | 1 dayActivation: Not specified | au-jp · SoftBank5G: Supported | Hotspot (Tethering)Supported Top-upNot specified ID checkNot specified Low-latency flagNot flagged Throttling riskNot flagged SubscriptionNo Pay as you goNo | $0.46Regular price | |
1 GBReset: Not specified | 7 daysActivation: Not specified | Not specified5G: Not supported | Hotspot (Tethering)Not specified Top-upNot specified ID checkNot specified Low-latency flagNot flagged Throttling riskNot flagged SubscriptionNo Pay as you goNo | $0.48Regular price$0.48 / listed GB | |
1 GBReset: Not specified | 7 daysActivation: Not specified | Not specified5G: Not supported | Hotspot (Tethering)Not specified Top-upNot specified ID checkNot specified Low-latency flagNot flagged Throttling riskNot flagged SubscriptionNo Pay as you goNo | $0.48Regular price$0.48 / listed GB | |
1 GBReset: Not specified | 7 daysActivation: Not specified | Not specified5G: Not supported | Hotspot (Tethering)Not specified Top-upNot specified ID checkNot specified Low-latency flagFlagged Throttling riskNot flagged SubscriptionNo Pay as you goNo | $0.48Regular price$0.48 / listed GB | |
100 MBReset: Not specified | 7 daysActivation: Not specified | au-jp · NTT docomo · rakutenmobile-jp · SoftBank5G: Supported | Hotspot (Tethering)Supported Top-upSupported ID checkNot required Low-latency flagNot flagged Throttling riskNot flagged SubscriptionNo Pay as you goNo | $0.49Regular price$4.90 / listed GB | |
1 GBReset: Not specified | 7 daysStarts on first connection | au-jp · NTT docomo · rakutenmobile-jp · SoftBank5G: Supported | Hotspot (Tethering)Supported Top-upNot specified ID checkNot specified Low-latency flagNot flagged Throttling riskNot flagged SubscriptionNo Pay as you goNo | $0.50Regular price$0.50 / listed GB | |
1 GBReset: Not specified | 7 daysStarts on first connection | NTT docomo5G: Supported | Hotspot (Tethering)Supported Top-upNot specified ID checkNot specified Low-latency flagFlagged Throttling riskNot flagged SubscriptionNo Pay as you goNo | $0.50Regular price$0.50 / listed GB | |
1 GBReset: Not specified | 7 daysStarts on first connection | au-jp · SoftBank5G: Supported | Hotspot (Tethering)Supported Top-upNot specified ID checkNot specified Low-latency flagNot flagged Throttling riskNot flagged SubscriptionNo Pay as you goNo | $0.50Regular price$0.50 / listed GB | |
500 MBReset: Not specified | 7 daysActivation: Not specified | au-jp · NTT docomo · rakutenmobile-jp · SoftBank5G: Supported | Hotspot (Tethering)Not specified Top-upNot specified ID checkNot specified Low-latency flagNot flagged Throttling riskNot flagged SubscriptionNo Pay as you goNo | $0.50Regular price$1.00 / listed GB | |
500 MBReset: Not specified | 7 daysStarts on first connection | au-jp · NTT docomo · rakutenmobile-jp · SoftBank5G: Supported | Hotspot (Tethering)Supported Top-upNot specified ID checkNot specified Low-latency flagNot flagged Throttling riskNot flagged SubscriptionNo Pay as you goNo | $0.50Regular price$1.00 / listed GB |
The total-price check
Find a usable low price for Japan
Use the comparison in this order so a small headline price does not become an expensive second purchase.
Sort the qualifying totals
Keep the total-price sort to identify the cheapest matching imported offer. Price per GB answers a different question and can favor a larger, more expensive bundle.
Check the provider’s final amount
Open the provider link and match the allowance and duration again. Confirm taxes, mandatory fees, activation rules and the current checkout price before paying.
Before you choose
Price questions before Japan
Compare the offer, then check the amount you will pay.
What is the cheapest eSIM for Japan?
For 5 GB lasting at least 30 days, the lowest listed totals are:
- ESIM.DOG 🐶 $2.94
- Stellar eSim $2.95
- Astaroam $2.96
- Tripuck eSIM $3.19
For a light week, the cheapest 1 GB bundle lasting at least 7 days is:
- eSIMPal $0.29
Regular prices read 8 Nov 2026.
What is the cheapest 1 GB eSIM for Japan?
For 1 GB lasting at least 7 days, the lowest listed totals are:
- eSIMPal $0.29
- MyTravel eSIM $0.33
- Stellar eSim $0.48
Regular prices read 8 Nov 2026.
What is the cheapest 3 GB eSIM for Japan?
For 3 GB lasting at least 30 days, the lowest listed totals are:
- ESIM.DOG 🐶 $1.60
- Stellar eSim $1.93
- thirr.com $1.95
Regular prices read 8 Nov 2026.
What is the cheapest 5 GB eSIM for Japan?
For 5 GB lasting at least 30 days, the lowest listed totals are:
- ESIM.DOG 🐶 $2.94
- Stellar eSim $2.95
- Astaroam $2.96
Regular prices read 8 Nov 2026.
What is the cheapest 10 GB eSIM for Japan?
For 10 GB lasting at least 30 days, the lowest listed totals are:
- ESIM.DOG 🐶 $4.83
- Stellar eSim $4.85
- thirr.com $4.87
Regular prices read 8 Nov 2026.
What is the cheapest 20 GB eSIM for Japan?
For 20 GB lasting at least 30 days, the lowest listed totals are:
- ESIM.DOG 🐶 $8.20
- Stellar eSim $8.26
- thirr.com $8.31
Regular prices read 8 Nov 2026.
Which is the cheapest eSIM for Japan with my requirements?
Set the data and days you need, then keep the lowest-price sort. The first matching offer has the lowest listed total in this comparison; a smaller unfiltered bundle may not cover your trip.
Can I buy the Japan plan through Pricewatch?
Pricewatch compares the offers. Open the selected provider link to confirm the bundle and make the purchase. The provider handles delivery, activation and support.
Why might a Japan price change when I reach checkout?
The comparison uses imported quotes. A provider can change a price or add a charge not supplied in the source. Match the allowance, duration and currency before comparing the final amounts.
Are coupon-only deals mixed into the Japan ranking?
Regular prices lead the standard results. Promotional comparison is a separate option, and any supplied conditions need checking before you rely on that amount.