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Japan eSIM

Japan flag - travel eSIM data plans for international travellers

An eSIM for Japan plan starts at ₹318.84 on KDDI/au and NTT docomo 5G local networks. Indian travellers from Delhi and Bangalore scan a QR code before departure and arrive at Narita or Haneda already connected. Covers Tokyo, Kyoto, Osaka, and Hiroshima. No Airtel or Jio roaming bill, no hidden charges.

Japan sim Unlimited and Prepaid Data Plans

See package details

Unlimited Data

Fair-use policy: you get full-speed data up to a daily threshold, after which speeds are reduced for the rest of that day.

1 day trip selected

Number of days

More days, lower price per day!

Number of eSIMs

How many travelers?

1eSIM
Total
₹318.84USD

Install your eSIM anytime. Your plan starts the moment your device connects to a local network at your destination.

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A Japan eSIM from HelloRoam starts at ₹318.84 across 199+ carrier networks in 185+ countries. Scan a QR code to activate in under two minutes on any eSIM compatible mobile. Keep your Jio, Airtel, or Vi number active. 180-day refund cover on unactivated eSIMs and 24/7 live support.

  • 210+

    carrier networks

  • 5G

    5G support

  • under 2 minutes

    QR activation

Last updated

Your e SIM Japan Plan with Nationwide Coverage

Affordable eSIM for Japan, starting from ₹318.84. Local 4G LTE and 5G data on top carrier networks in Japan. Works on all eSIM compatible phones including OnePlus, Samsung, and iPhone. Airport SIM counters charge inflated rates and have long queues at arrivals. An e-sim Japan plan from HelloRoam starts at ₹318.84 on KDDI/au and NTT docomo 5G networks across Japan. Indian travellers activate via QR code before departure and land with data already live. Every plan is fully prepaid with no hidden charges, no contract, and no Airtel or Jio roaming fees.

Japan eSIM with fast 5G coverage

HelloRoam offers eSIM plans for Japan starting from ₹318.84. Connect on KDDI/au and NTT Docomo across Tokyo, Osaka, Kyoto, and Hokkaido. Activate before your flight from India.

  • Plans start at ₹318.84 with 5G speeds
  • Coverage from KDDI/au and 1+ other operators
  • Instant activation in under 2 minutes
  • 180-day money-back guarantee
  • Japan coverage across major cities
Network
5G
Plans From
₹318.84
Activation
Under 2 min
Guarantee
180 days
Japan — HelloRoam eSIM coverage
How to use HelloRoam

How to Set Up an eSIM in Japan

Follow these steps to start using an eSIM on your iPhone or Android before travelling abroad.
Set up an eSIM on your iPhone with the HelloRoam app
iPhone settings screen showing cellular options
10GB
Most popular choice
Starting from
1
Choose your plan and checkout online

Pick a data plan for your destination and complete your purchase online.

iPhone scanning QR code for eSIM
2
Scan the QR code from your email

Scan the QR code from your confirmation email to install your eSIM.

iPhone confirming eSIM installation
Installing...
3
Activate in minutes: ready when you land

Your eSIM installs in minutes and activates on arrival at your destination.

iPhone enabling data roaming
4
Manage everything from the HelloRoam app

Monitor data usage, top up when needed, and manage all your eSIMs in one place.

Trip changed? No worries, we have got you covered!

Plans can change, and that is perfectly fine. With HelloRoam, you can request a full refund for an unactivated eSIM within 180 days of purchase. Activated plans are refunded for the unused portion.

Learn more about our refund policy

HelloRoam Japan eSIM vs Jio, Airtel and Vi Roaming

When you compare a Japan eSIM against a travel SIM card or carrier roaming pack, HelloRoam delivers better value. Jio international roaming costs ₹575 per day. Airtel World Roaming costs ₹596 per day. Vi’s ₹2,999 pack covers just 24 days in select countries. For Indian travellers looking for the most affordable eSIM option, HelloRoam plans start from ₹318.84 with a 180-day refund window on unactivated eSIMs, zero activation fees, and no hidden charges. No airport SIM counter. No carrier contract.

HelloRoam Japan eSIM vs Jio, Airtel and Vi Roaming
Feature
HelloRoam - international eSIM data plans for travelers worldwide
Jio / Airtel roamingLimited data eSIM
180-day refund policyFeature included checkmark - available in eSIM planFeature not included - unavailable in this planFeature not included - unavailable in this plan
24/7 live chat supportFeature included checkmark - available in eSIM planFeature included checkmark - available in eSIM planFeature included checkmark - available in eSIM plan
Zero activation feesFeature included checkmark - available in eSIM planFeature not included - unavailable in this planFeature included checkmark - available in eSIM plan
Keep your Jio or Airtel number active (dual SIM)Feature included checkmark - available in eSIM planFeature not included - unavailable in this planFeature not included - unavailable in this plan
No data overage chargesFeature included checkmark - available in eSIM planFeature not included - unavailable in this planFeature not included - unavailable in this plan
Instant QR code delivery by emailFeature included checkmark - available in eSIM planFeature not included - unavailable in this planFeature included checkmark - available in eSIM plan
Premium Japan carrier networksFeature included checkmark - available in eSIM planFeature not included - unavailable in this planFeature not included - unavailable in this plan

Why Indian Travellers Choose HelloRoam for Mobile Data in Japan

HelloRoam vs Other eSIM Providers for Japan

Indian travellers searching for the best eSIM for Japan consistently rate HelloRoam for its industry-leading refund policy, zero activation fees, and 24/7 WhatsApp support. See how HelloRoam compares to Airalo, Holafly, Saily, and other providers on the features that matter most when travelling abroad from India.

Feature comparison
Feature comparison
HelloRoam logo
AiraloHolaflyNomadSailyUbigi
180-day refund policyFeature included checkmark - available in eSIM planFeature not included - unavailable in this planFeature not included - unavailable in this planFeature not included - unavailable in this planFeature not included - unavailable in this planFeature not included - unavailable in this plan
24/7 live chat supportFeature included checkmark - available in eSIM planFeature included checkmark - available in eSIM planFeature included checkmark - available in eSIM planFeature not included - unavailable in this planFeature included checkmark - available in eSIM planFeature included checkmark - available in eSIM plan
₹0 activation feesFeature included checkmark - available in eSIM planFeature not included - unavailable in this planFeature included checkmark - available in eSIM planFeature not included - unavailable in this planFeature not included - unavailable in this planFeature not included - unavailable in this plan
Keep your Jio or Airtel number active (dual SIM)Feature included checkmark - available in eSIM planFeature not included - unavailable in this planFeature not included - unavailable in this planFeature not included - unavailable in this planFeature not included - unavailable in this planFeature not included - unavailable in this plan
No data overage chargesFeature included checkmark - available in eSIM planFeature not included - unavailable in this planFeature included checkmark - available in eSIM planFeature not included - unavailable in this planFeature not included - unavailable in this planFeature not included - unavailable in this plan
Instant QR code deliveryFeature included checkmark - available in eSIM planFeature included checkmark - available in eSIM planFeature included checkmark - available in eSIM planFeature included checkmark - available in eSIM planFeature included checkmark - available in eSIM planFeature included checkmark - available in eSIM plan
Premium Japan carrier networksFeature included checkmark - available in eSIM planFeature not included - unavailable in this planFeature not included - unavailable in this planFeature not included - unavailable in this planFeature not included - unavailable in this planFeature not included - unavailable in this plan
Own branded carrier identity (SPN)Feature included checkmark - available in eSIM planFeature not included - unavailable in this planFeature not included - unavailable in this planFeature not included - unavailable in this planFeature not included - unavailable in this planFeature included checkmark - available in eSIM plan

What Is an eSIM? How a Travel eSIM Works in Japan

An eSIM card is a digital SIM built directly into your mobile phone. There is no plastic chip and no SIM tray to open. Scan a QR code to activate your eSIM in under 2 minutes on any eSIM compatible iPhone or Android. It works as a prepaid mobile data plan for Japan travel with no airport SIM counter queue, no replacement SIM card, and no carrier contract. Keep your Jio, Airtel, or Vi number active in dual SIM mode while HelloRoam handles your international data. Follow the step-by-step setup guide to get connected before your flight from Delhi IGI or Mumbai CSIA. guide

Learn more about eSIM
eSIM activation and setup guide for travellers going abroad
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Japan — mobile connectivity coverage

Mobile connectivity guide for Japan

Japan has advanced mobile infrastructure with 5G and 4G LTE covering Tokyo, Osaka, Kyoto, Hiroshima, Fukuoka, and Hokkaido. KDDI/au and NTT Docomo are the primary networks for HelloRoam's Japan eSIM.

Indian tourists visiting for cherry blossoms, temple culture, anime, and culinary experiences will find excellent data throughout. A HelloRoam eSIM connects you at Narita or Kansai Airport the moment you clear customs.

  • HelloRoam connects to KDDI/au 5G, NTT docomo 4G in Japan
  • 5G and 4G LTE on KDDI/au and NTT Docomo across Japan
  • Coverage on Shinkansen routes, in Tokyo, Osaka, and Kyoto
  • Activate via QR code before departing from India

eSIM Travel Tips for Japan

  1. Set up your eSIM before your long India-Japan flight

    Flights from Delhi or Mumbai to Tokyo take 8 to 9 hours. Install your HelloRoam eSIM at home before departure. Enable data when you land at Narita or Haneda and you are instantly connected for Google Maps, Japan Travel by NAVITIME, and hotel navigation.

  2. Download Hyperdia or Google Maps for train navigation

    Japan's rail network is complex but very punctual. Google Maps and Japan Travel by NAVITIME work well for routing on the JR Pass network, Tokyo Metro, and Shinkansen. Your HelloRoam eSIM gives you fast data for real-time train updates.

  3. Cash is still king in Japan

    Japan is more cash-dependent than India or most Asian countries. Your HelloRoam eSIM helps you use Google Maps to find the nearest 7-Eleven or Japan Post ATM, which accept international cards. Plan ahead for cash withdrawals.

  4. Keep your Indian SIM for family calls

    Keep your Jio or Airtel SIM active in slot 2 on your dual SIM phone. Use HelloRoam as the data line for Japan. You stay reachable on your Indian number while enjoying fast Japanese 5G data for tourism.

  5. Rural mountains and small towns have weaker signal

    Japan's major cities and Shinkansen routes have excellent coverage. Rural mountain areas, small farming villages in Tohoku, and parts of Shikoku can have limited signal. Download offline maps before heading into mountain regions.

Mobile networks in Japan: what Indian travellers need to know

Japan's major carriers include NTT Docomo, SoftBank, au (KDDI), and Rakuten Mobile. HelloRoam connects on KDDI/au and NTT Docomo. NTT Docomo is traditionally known for broad rural reach, and all four operators report 99%+ population coverage. KDDI/au is strong in urban areas. Both provide 4G LTE on routes where 5G is not yet available. Your eSIM selects the best available signal automatically.

KDDI/au
KDDI/au
5G
NTT docomo
NTT docomo
4G

HelloRoam eSIM vs Airtel roaming vs Japan pocket Wi-Fi rental

A comparison of data options for Indian tourists visiting Japan.

HelloRoam eSIMRecommended
Typical cost

From ₹350.24 total

Details

Plans start at ₹318.84. Buy online, scan the QR code, and land at Narita already connected. No pocket Wi-Fi rental booth, no SIM vending machine at the airport, no extra device to carry around.

Japan pocket Wi-Fi rental
Typical cost

₹1,903.50–₹5,710.50 total

Details

Pocket Wi-Fi rentals start at around ¥800 to ¥1,500 per day (₹445 to ₹835). Require pickup and return at airports. You carry an extra device. An eSIM works directly on your phone with no extra hardware.

Airtel/Jio Japan roaming
Typical cost

₹951.75–₹2,379.37/day

Details

Airtel Japan roaming packs start around ₹699 per day or ₹4,000 to ₹6,000 for a week. HelloRoam plans are a fraction of this cost for the same data needs.

Prices approximate as of July 2026. Actual savings vary.

Best time to visit Japan from India

Japan is a year-round destination with distinct seasons. Cherry blossom season (late March to early May) is the most sought-after time, especially for Indian couples and families. Autumn (October to November) has brilliant foliage. Summers are hot and humid. Winters are cold but ski resorts in Hokkaido and Nagano are excellent. Indian tourists often visit during Diwali long weekends and December school holidays. The Golden Week period in late April to early May is crowded and expensive.

Reviewed by HelloRoam Editorial TeamReviewed by HelloRoam Editorial Team
Japan — best time to visit
Reviewed by HelloRoam Editorial Team

Prices verified:

Japan eSIM Questions Answered

A Japan travel sim plan runs on KDDI/au and NTT docomo 5G networks from ₹318.84 across Japan. HelloRoam delivers the QR code to your email within seconds and activation takes two minutes. No hidden charges, no contract, and no Airtel or Jio roaming fees.

An eSIM in Japan plan connects to KDDI/au and NTT docomo 5G networks across Japan. HelloRoam activates every plan by QR in under two minutes on any compatible mobile. No hidden charges, no Airtel or Jio roaming fees, and a 180-day refund guarantee on unactivated eSIMs.

HelloRoam is a top-rated eSIM for Japan for travellers departing from India. Plans start from ₹318.84, which is far below Jio international roaming at ₹575 per day or Airtel World Roaming at ₹596 per day. Before your flight from Delhi IGI (IGIA), Mumbai CSIA (BOM), Bengaluru Kempegowda (BLR), Hyderabad Rajiv Gandhi (HYD), Chennai (MAA), or Kochi (COK) airport, scan a QR code in your phone settings and the eSIM is ready the moment you land. You get local 4G/5G speeds, a 180-day refund window on unactivated eSIMs, and 24/7 WhatsApp support. No carrier contract, no hidden charges, no bill shock.

eSIM plans for Japan start from ₹318.84. Compare that with Jio international roaming at ₹575 per day, Airtel World Roaming at ₹596 per day, or Vi's ₹2,999 pack for just 24 days in select countries. For a 7-day trip, Jio roaming costs around ₹4,025 and Airtel costs around ₹4,172. A HelloRoam plan for the same trip typically costs a fraction of that, with no daily billing and no BSNL international rates either. Pay by UPI, Google Pay, debit card, or credit card.

eSIM in Japan connects to local 4G/5G carrier networks. Your phone selects the strongest available signal automatically on arrival, the same way a local resident's phone does. Coverage spans major cities, airports, highways, and popular tourist areas. No manual APN setup required. HelloRoam partners with hundreds of carrier networks across 185+ countries. For travellers used to Jio or Airtel coverage in India, the local network speeds in Japan are often comparable or better in urban areas.

Getting a Japan eSIM before your flight from India takes three steps. First, visit helloroam.com, search Japan, pick a plan, and pay by UPI, Google Pay, or card. Second, open your confirmation email and scan the QR code in your phone settings under Add eSIM. Third, your eSIM installs in under 2 minutes and activates automatically when you land. No airport kiosk, no SIM counter at Delhi IGI or Mumbai CSIA, no waiting in a queue after a long flight.

What to Know Before You Buy

  • eSIM requires an unlocked, eSIM-compatible device. Check your phone settings before purchasing.

  • Most travel eSIM plans provide data only. Your existing phone number stays active for calls and texts on your primary SIM.

  • Coverage quality varies by location within Japan. Urban areas typically have strong 4G/5G coverage, while rural or remote areas may have limited connectivity.

  • Install your eSIM before departure. Activation requires an internet connection, which may not be available at your destination airport.

Transparency Notice

Service Provider Name (SPN)
HelloRoam appears as the carrier name on your phone's status bar through the SPN, a standardized field in the eSIM profile. Unlike most travel eSIM resellers, HelloRoam provisions its own Service Provider Name.
Public Network Name (PNN)
HelloRoam holds a registered Public Network Name, the official carrier identity filed with telecommunications authorities. HelloRoam is recognized as a licensed service provider, not a white-label reseller.
Access Point Name (APN)
HelloRoam eSIMs auto-configure their Access Point Name during installation. Your device connects to the strongest local network infrastructure without manual settings.

Prices are our retail rates across 185+ countries. Plan recommendations use real traveller feedback and network performance data. Every purchase includes a 180-day money-back guarantee on unactivated eSIMs.

Future Syncs Limited124 City Road, London, EC1V 2NX, UK+44 203 916 6249help@helloroam.comReg. No. 15950168

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