Best travel eSIM Vietnam: Cellulo plans that beat $18/day roaming
Updated August 7, 2026 · Cellulo Team
Land in Vietnam without a plan and your Canadian carrier starts billing at $18/day. Stay a week and that turns into $126 for one person, or $252 for two, which is why the best travel eSIM Vietnam option usually pays for itself before the trip is half over.
Cellulo's Vietnam eSIM plans start at $6 CAD, activate automatically when you arrive in Vietnam, and let you skip airport SIM kiosks, hotel Wi-Fi logins, and the usual panic of trying to order a ride or open Google Maps after landing. If you just need light data for messages and maps, the 7-day 1GB plan costs less than a single day of roaming. If you want unlimited data for a week, it's $38 CAD instead of $126 in roaming charges.
Best travel eSIM Vietnam plans compared
All Vietnam plans on Cellulo are data-only eSIMs. That means no local calls or SMS, but you can still use WhatsApp, FaceTime, Google Meet, Slack, Gmail, Maps, Grab, and translation apps over data.
| Data | Duration | Price (CAD) | Get Plan | Best For |
|---|---|---|---|---|
| Unlimited data | 3 days | $17 | Get Plan | Short city break |
| Unlimited data | 5 days | $26 | Get Plan | Long weekend getaway |
| 1 GB | 7 days | $6 | Get Plan | Budget backup data |
| Unlimited data | 7 days | $38 | Get Plan | ⭐ Most Popular — Week-long trip |
| Unlimited data | 10 days | $49 | Get Plan | Multi-city vacation |
| 2 GB | 15 days | $10 | Get Plan | Light two-week traveller |
| Unlimited data | 15 days | $68 | Get Plan | Heavy two-week user |
| 3 GB | 30 days | $12 | Get Plan | Minimal monthly use |
| 5 GB | 30 days | $16 | Get Plan | Casual explorer |
| 10 GB | 30 days | $26 | Get Plan | Business traveller |
| 20 GB | 30 days | $41 | Get Plan | Content creator |
| Unlimited data | 30 days | $97 | Get Plan | Digital nomad |
A few numbers make the choice easier. Bell, Rogers, and Telus charge $18/day for international roaming in Vietnam. A 5-day trip costs $90 in roaming. Cellulo's 5-day unlimited eSIM is $26 CAD. A 10-day trip costs $180 in roaming. Cellulo's 10-day unlimited plan is $49 CAD. Even the 30-day unlimited option at $97 CAD is cheaper than six days of carrier roaming.
How much data do you need in Vietnam?
Vietnam is the kind of trip where mobile data matters right away. If you're landing in Ho Chi Minh City, Hanoi, or Da Nang, you'll probably need Google Maps the moment you leave the airport, plus Grab for rides, hotel confirmations in your inbox, and a live connection for translation apps when menus and signs stop being obvious.
For lighter trips, the small fixed-data plans work if you're mostly on Wi-Fi and just want backup data for maps, messaging, and occasional browsing. The 1GB 7-day plan at $6 CAD is the cheapest option, but it's best treated as a low-usage plan, not a carefree one. The 2GB 15-day and 3GB 30-day options make more sense for travellers who want a bit more breathing room without paying for unlimited data.
Unlimited plans fit most people better in Vietnam, especially if you're moving between cities, relying on navigation, making video calls home, uploading photos and reels, or working remotely. The 7-day unlimited plan stands out because it covers a typical vacation length at a price that's still far below roaming. That's why it's the most balanced pick for most travellers.
How to avoid roaming charges in Vietnam
Installing an eSIM is the easy part. Avoiding surprise roaming charges is where people slip up.
Install your Vietnam eSIM before you leave Canada while you're still on Wi-Fi. The plans activate automatically on arrival in Vietnam, so you don't need to hunt for a kiosk or swap a physical SIM after landing.
Before the plane lands, turn your Canadian line off completely in your phone's cellular settings. Do not just switch off data roaming. If your Canadian line stays active, your carrier can still register it on a local network and trigger the $18/day roaming fee.
Use the Vietnam eSIM for all data during the trip. If you need a one-time password or 2FA code sent to your Canadian number, turn your Canadian line on briefly, receive the code, then turn it off again.
Do not use Airplane Mode as a workaround. Airplane Mode disables the eSIM too, which defeats the point. Turn off the Canadian line specifically and leave the Vietnam eSIM active.
Is a Vietnam eSIM better than airport SIM cards or hotel Wi-Fi?
Usually, yes. Airport SIM counters add friction right when you're tired, jet-lagged, and trying to get out the door. If there's a line, you're stuck waiting before you can book a ride or message your hotel. A pre-installed eSIM means your phone connects on arrival, so maps, bookings, and messaging are already there when you need them.
Hotel Wi-Fi is fine for some things, but it breaks down fast when you're outside the hotel, moving between neighbourhoods, or trying to do anything sensitive on a public network. If you're navigating old quarters in Hanoi, finding cafes in Da Nang, or coordinating pickups in Ho Chi Minh City, a live mobile connection matters more than the promise of free Wi-Fi later.
Coverage depends on the local networks your eSIM connects to in Vietnam. In major cities and tourist corridors, that usually solves the practical problem most travellers care about: having working data when they need it. In more remote rural areas, coverage can be less consistent, so heavy offline map downloads before day trips still make sense.
If you want the best travel eSIM Vietnam option for your trip length and data use, start with Cellulo's Vietnam plans and pick the one that matches how you'll actually travel.