Vietnam’s classic route — Hanoi, Ha Long Bay, Hoi An, Da Nang, Ho Chi Minh City — runs on strong, fast networks the whole way. The one place coverage gets more variable is the northern highlands, around Sapa and the Ha Giang Loop, where mountain terrain thins out signal for every carrier.
Which Network Does This Cover?
GetSimfinity’s Vietnam eSIM runs on VNPT (Vinaphone), one of Vietnam’s three major state-affiliated networks and a genuine 5G speed leader in the cities — Hanoi, Ho Chi Minh City, Da Nang, and Hai Phong all get fast, reliable data on it. It handles the standard tourist trail well: Hanoi’s Old Quarter, Ha Long Bay cruises, Hoi An’s ancient town, and Ho Chi Minh City are all solidly covered. If your trip pushes into the northern mountain provinces — Sapa, the Ha Giang Loop, or deep into the central highlands — expect coverage to thin out on any network, with Viettel generally holding the edge in those specific rural stretches.
Vietnam eSIM Plans and Pricing (2026)
- Short trip (up to a week): 1 GB/7 days at $4, or 2 GB/15 days at $6.50
- One to two weeks, moderate use: 3 GB/30 days at $8, or 5 GB/30 days at $11
- A longer trip: 10 GB/30 days at $18, or 20 GB/30 days at $29
- Unlimited data: from $11.50 (3 days) up to $69 (30 days), for heavy navigation, streaming, and hotspot use
Sizing Your Plan
A typical two-week trip covering Hanoi, Ha Long Bay, Hoi An, and Ho Chi Minh City runs comfortably on 5-10 GB for maps, ride-hailing apps, and messaging. If you’re combining cities with a Sapa or Ha Giang Loop side trip, downloading offline maps for the rural stretch in advance is worth doing regardless of plan size.
Setting Up Before You Land
Install the eSIM profile before you fly and it connects automatically once your phone detects VNPT’s network on arrival at Noi Bai or Tan Son Nhat airport. Your home number stays active in parallel for calls and SMS. First time using an eSIM? See our step-by-step iPhone eSIM setup guide.
Pairing Vietnam With a Wider Trip
Vietnam is often combined with Thailand or Singapore on a longer Southeast Asia itinerary. You’ll need a separate eSIM for each country — see our Thailand eSIM guide or Singapore eSIM guide if either is on your route.
Get Your Vietnam eSIM
Browse Vietnam eSIM plans on GetSimfinity and have data ready before you land.