Touch down at Singapore Changi, tap the install link from your email, and you're online before you clear immigration. Three days later you land in Bangkok, and the same eSIM just keeps working. This Asia eSIM covers 12 Asian countries on a single plan, so a route through Japan, Thailand, Vietnam, and Indonesia doesn't mean hunting for a SIM counter in every arrivals hall. Up to 10x cheaper than roaming with plans starting at $4.99.
Compare plans and find the perfect fit for your trip
Data does the heavy lifting on a trip like this. You'll lean on Google Maps to untangle Tokyo's subway, hail Grab rides in Kuala Lumpur and Manila, message home on WhatsApp, and point Google Translate at menus in Seoul and Hanoi. Buy your eSIM for Asia before you fly, install it with one tap from your email at home — your phone sets it up itself — and switch it on when you land. No store visits, no paperwork, and no SIM swapping at any border along the way.
We're not just another eSIM provider. Here's what makes Lumbus different.
Real humans available around the clock, worldwide. No chatbots, just genuine help.
Apple Pay, Google Pay, no account required. Buy in under 60 seconds.
Often cheaper than competitors with the same quality networks.
One-tap install on iOS 17.4+. Clear step-by-step guides for all devices.
Data options from 500MB to 50GB with validity up to 180 days. Find the perfect fit for your trip.
Use as backup data at home when your main network goes down.
Practical advice for using mobile data in Asia.
Flying Singapore to Bangkok, then on to Tokyo? Your eSIM reconnects automatically each time you land in a covered country. Keep it installed with data roaming on; nothing to reinstall between stops.
Grab is the ride-hailing app across Southeast Asia, from Singapore and Bangkok to Kuala Lumpur, Jakarta, and Manila. Install it and add a card before your flight so you can book a ride on arrival.
Google Maps has limited directions in South Korea. Locals use Naver Map or KakaoMap, and both have English versions. Download one before Seoul to handle the subway and side streets.
Before ferry rides in the Philippines or boat trips around Indonesia's islands, download offline Google Maps areas over hotel WiFi. Signal comes and goes at sea; offline maps keep you oriented.
Riding the Shinkansen from Tokyo to Kyoto or the KTX from Seoul to Busan as a group? Turn on your phone's hotspot and share one eSIM's data across every device.
Common questions about using eSIM in Asia