Discover the best eSIMs for Asia in 2025 with our comprehensive comparison of providers, network coverage and rates. Whether you're going on a city trip to Tokyo or a road trip across several countries, such as Thailand, Vietnam or Indonesia, find the ideal offer to stay connected without roaming charges.

1 - Ubigi, best e-sim for Asia

• 📈 GO available: 5GO, 10GO, 20GO, Unlimited
• ⏳ Plan duration : 1 day, 7 days, 15 days, 30 days
• 💰Price : From €2.99
• 📲 Application: Yes

eSIM Asia from Ubigi lets you stay connected in over 30 countries, including Japan, Thailand, Vietnam and South Korea, with instant activation via the mobile app. Packages are prepaid, with no commitment, and start from 2,99 € for 500 MBwith more generous options to suit your needs. You keep your main SIM for calls, while using the eSIM for mobile data on local 4G/5G networks.

This is an ideal solution for multi-country stays or business trips. On the other hand, it doesn't provide a local number or classic call service, and may be less advantageous for a long stay in a single country. It's easy to manage from the Ubigi app, with usage tracking and top-up in just a few clicks.

2 - Yesim

• 📈 GO available: 5GO, 10GO, 20GO, Unlimited
• ⏳ Plan duration : 1 day, 7 days, 15 days, 30 days
• 💰Price : From 2.50$
• 📲 Application: Yes

Yesim offers a ultra-flexible eSIM Asiaideal for travelers visiting several countries such as Kazakhstan, Georgia or Uzbekistan. Packages start at 8.40$ for 1 day unlimited, or from 18$ for 5 GB over 30 dayswith sliding-scale rates up to 20 GB for 39.60 $. One-click installation via the Yesim application, with automatic connection to the best available network (3G, 4G or 5G).

eSIM Asiais a multi-vendor group offering ultra-competitive packages for the whole continent. Prices start at 2.50$ for 1 GB for 7 days, with unlimited options around 31.89$. The card is activated without any formalities, directly from a mobile application, and enables fast connection in major cities such as Bangkok, Tokyo or Seoul. It's an ideal solution for tourists, digital nomads or expatriates who want to avoid the hassle of local SIM cards.

3 - Saily

• 📈 GO available: 1GB, 3GB, 5GB, 10GB, 20GB
• ⏳ Plan duration : 7 days, 30 days
• 💰Price : From €4.99 (-5% discount through this site) link)
• 📲 Application: Yes

eSIM Asia from Saily is designed for travellers who want to stay connected while on the move. 19 countries from Asia and Oceania, including Japan, Thailand, Indonesia, South Korea, Singapore, Australia and more. Activation is instant via the Saily app, with no physical card or formality required. Packages are prepaid and flexible, with options ranging from 1 GB for 7 days for 4.99 $ to 100 GB for 180 days at 170.99 $This allows us to adapt to all types of stay, from short city trips to long nomadic journeys.

The connection is made automatically on the best available 4G or 5G networks, depending on the zone. The eSIM doesn't offer a local number or call or SMS service, but it's perfect for data uses: browsing, messaging, GPS, streaming. It can be managed directly from the app, with consumption tracked and recharged in just a few clicks. It's a simple, fast and reliable solution for staying connected throughout Asia without roaming charges.

4 - Roamless

• 📈 GO available: 500 MB, 1GO, 2GO, 3GO, 5GO, 10GO, 20GO, Unlimited
• ⏳ Package duration : 30 days
• 💰 Price : From €2.95
• 📲 Application: Yes (download the application)

eSIM Asia from Roamless is designed for travelers exploring several Southeast Asian countries, including Thailand, Indonesia, Vietnam and Japan. It works in more than 200 destinations and provides a smooth connection thanks to automatic switching between the best local networks. Activation is 100 % digital, with no physical cards or formalities, and data can be used freely across borders at no extra cost.

Roamless offers transparent pricing with pay-as-you-go plans and no expiry date, providing great flexibility for varied itineraries. The connection is 4G or 5G, depending on the zone, and the eSIM does not provide a local number or traditional call service. Customer support is available 24 hours a day, and the application lets you track your usage in real time. It's an ideal solution for connected travelers who want to avoid roaming charges while maintaining a smooth, reliable experience in Asia.

5 - Airalo

• 📈 GO available: 1GO, 3GO, 5GO, 10GO, 20GO, 30GO, 50GO, Unlimited
• ⏳ Package duration : 10 days, 15 days, 30 days
• 💰 Price : From €4.50
• 📲 Application: Yes (download the application)

eSIM Asia from Airalo is ideal for travellers who want to stay connected while on the move. 18 Asian countriesincluding Japan, Thailand, South Korea, Vietnam, China, Malaysia and Cambodia. Activation takes place directly from the Airalo application, with no need for a physical card or commitment. Packages are prepaid, rechargeable at any time, and valid from 7 to 180 dayswith data volumes ranging from 1 GB to 100 GBaccording to your needs.

Connection is automatic on the best local 4G or 5G networks, with unlimited connection sharing. The eSIM does not provide a phone number, but is compatible with all communication applications such as WhatsApp, FaceTime or Messenger. It's a simple, economical and reliable solution for traveling across Asia without changing SIM cards at every border.

eSIM Asia comparison

Here's a clear and concise comparison of the offers eSIM Asia of the top five suppliers: Ubigi, Yesim, Saily, Roamless and Airaloto help you see things more clearly:

Supplier	Countries covered (Asia)	Starting price	Volume & durée	Activation	Networks	Mobile application
Ubigi	~30 countries	2,99 €	500 MB / 1 day	Instant via app	4G/5G	Yes
Yesim	15 countries + 6 Central Asian countries	8.40 $	Unlimited / 1 day	Via app Yesim	3G/4G/5G	Yes
Saily	19 countries	4.99 $	1 GB / 7 days	Automatic on arrival	4G/5G	Yes
Roamless	20 countries	Variable with use	No expiration	100 % digital	4G/5G	Yes
Airalo	18 countries	4.50 $	1 GB / 7 days	Via app Airalo	4G/5G	Yes

💡 All these providers offer packages only datawithout a local number or conventional call service. Management is via their respective applications, with consumption tracking and easy recharging.

Having an eSIM to travel in Asia: Advantages and disadvantages

How to choose your Asian eSIM?

💰 Budget Asia is a vast and diverse continent, so a multi-country eSIM is ideal for travelers planning to visit several destinations such as Japan, Thailand, Vietnam or Singapore. These prepaid plans avoid roaming charges and are often more economical. For an extended stay in a single country, consider a local SIM, which is often more advantageous in the long term.

📡 Coverage Check that your eSIM offers reliable coverage in rural or mountainous areas, especially if you're trekking in Nepal, the rice paddies of northern Vietnam or the islands of Indonesia. An eSIM capable of automatically switching between the best local networks is a real plus for staying connected without interruption.

🔒 Security Public Wi-Fi connections are common in Asian cafés, hotels and airports. Opt for an eSIM that includes a free or built-in VPN to protect your personal data, especially if you access online banking or business services.