Ho Chi Minh City eSIM: online from Tan Son Nhat to District 1

Ho Chi Minh City runs on maps and ride-hailing. With the eSIM on from Tan Son Nhat, the first ride from the kerb is a tap away.

Taxis everywhere
Buses across the city
Around 30 °C all year

Illustration: a traveller on a tree-lined boulevard in Ho Chi Minh City, a red-brick cathedral with twin spires behind.

The short answer

Install the eSIM at home before you fly and switch the line on when you land at Tan Son Nhat (SGN), with data roaming on for it. Taxis are everywhere, local buses cover a good portion of the city, and ride-hailing apps such as Grab run on a data connection.

Checked October 2, 2026

Where the signal holds

4G and 5G
Vietnam's four networks
Viettel, VinaPhone, MobiFone and Vietnamobile all run 4G mobile services, and Viettel, VinaPhone and MobiFone list 5G as well.
Not measured
Museums and tunnels
We have not measured signal inside the city's museums, the central post office or the Cu Chi tunnels. Save your tickets and a map before you go in.
Data roaming on
Your eSIM
The eSIM runs on a Vietnamese network and shows that network's name in your phone's settings. Turn data roaming on for the eSIM line.

Practical notes

Getting thereTan Son Nhat International (SGN) welcomes foreign and domestic arrivals daily, and its domestic terminal is within walking distance of the international one.
Getting aroundTaxis are everywhere, local buses cover a good portion of the city, and ride-hailing apps such as Grab need mobile data from the kerb.
PayingThe currency is the Vietnamese dong. You must declare cash over 15 million dong or 5,000 US dollars when you arrive.
When to goTemperatures sit around 30 °C all year. December to April is the clear stretch, and May to November brings the wet season and its dependable afternoon downpour.

Before you go (Ho Chi Minh City)

Install the eSIM at home on Wi-Fi and keep the line switched off until you land. Download offline maps and your tickets while you still have Wi-Fi, in case a museum or the tunnels have no signal. On arrival, switch the eSIM line on, choose it for mobile data and turn on data roaming for that line only.

The plan for this trip

Illustration: a hand holds a phone showing a QR code beside a lotus flower and a small globe.

Least per day

15 days · 3 GB a day · US$7.88

Tax included. The plan names its Vietnamese network, and whether it has calls or a number, before you pay.

Buy on VietSIM

Questions

Which app do I need to get around Ho Chi Minh City?

Ride-hailing apps such as Grab run on a data connection, so the eSIM covers them; taxis are everywhere as the fallback, and official taxis or a trusted ride-hailing app are the safe choice.