Vietnam is one of the fastest-growing travel destinations in Southeast Asia. Tourists visiting cities such as Hanoi, Ho Chi Minh City, and Da Nang often rely on mobile internet for maps, ride-hailing apps, translation tools, and travel bookings.

For this reason, many visitors search for the best SIM card for Vietnam before their trip.

Travelers usually choose between:

• Local prepaid SIM cards
• Travel eSIM plans
• International roaming

In this guide, we compare the best SIM cards for Vietnam, explain the main mobile operators, and help tourists choose the most convenient way to stay connected.

Mobile Networks in Vietnam

Vietnam has several mobile network operators that provide nationwide coverage.

The three most popular networks are:

• Viettel
• Mobifone
• Vietnamobile

Each network offers tourist SIM packages with mobile data and local calling options.

Viettel

Viettel is the largest mobile operator in Vietnam and is often considered the most reliable network.

Advantages:

• Excellent nationwide coverage
• Strong signal in rural areas
• Fast 4G speeds

Viettel is a popular choice for travelers exploring multiple regions of Vietnam.

Mobifone

Mobifone is another well-established Vietnamese mobile operator.

Advantages:

• Good coverage in cities
• Stable internet speeds
• Competitive prepaid packages

Mobifone works well in major destinations such as Hanoi and Ho Chi Minh City.

Vietnamobile

Vietnamobile offers more affordable prepaid plans.

Advantages:

• Lower prices
• Simple tourist packages

However, coverage may be weaker outside large cities compared to Viettel.

Typical Tourist SIM Packages

Tourist SIM cards in Vietnam usually include large data allowances at relatively low prices.

Typical packages include:

Data	Validity	Price
10–15 GB	7 days	$7 – $12
20–30 GB	15 days	$12 – $20
40+ GB	30 days	$20 – $35

Prices may vary depending on the operator and where the SIM card is purchased.

Where to Buy SIM Cards in Vietnam

Tourists can easily buy SIM cards in several locations.

Airports

SIM cards are widely available at international airports such as:

• Hanoi Noi Bai Airport
• Ho Chi Minh City Tan Son Nhat Airport

Airport counters usually offer tourist SIM packages with quick activation.

Mobile Operator Stores

• Official stores from Viettel and Mobifone can be found in major cities and shopping centers.
• Staff can assist travelers with SIM activation and data setup.

Convenience Stores

• Some convenience stores also sell prepaid SIM cards, although selection may be limited.

Alternative: Using eSIM in Vietnam

Many travelers now install an eSIM before traveling to Vietnam.

An eSIM allows mobile data to be activated directly on a compatible smartphone without inserting a physical SIM card.

If you’re unfamiliar with the technology, read our guide explaining how eSIM works.

Advantages of eSIM include:

• Activation before travel
• Instant internet after landing
• No need to visit local stores

Travelers can explore Vietnam eSIM plans for quick and convenient internet access.

For a broader comparison, read our guide on how to get internet in Vietnam as a tourist.

SIM Card vs eSIM in Vietnam

Feature	SIM Card	eSIM
Setup	After arrival	Before travel
Hardware	Physical SIM	Digital
Convenience	Medium	Very high
Activation	Store visit	Instant

Many travelers prefer eSIM because it allows internet access immediately after landing.

Which SIM Card Is Best for Vietnam?

For most travelers:

• Viettel → best nationwide coverage
• Mobifone → strong urban network
• Vietnamobile → cheaper plans

However, many tourists now prefer eSIM, because it allows internet access immediately after arrival without buying a physical SIM card.

Final Thoughts

Vietnam offers excellent mobile connectivity with several reliable network operators.

While prepaid SIM cards are widely available and inexpensive, they usually require visiting a store or airport counter.

Many travelers now choose eSIM because it provides instant internet access without purchasing a physical SIM card.

Planning your internet connection before traveling can make your trip in Vietnam smoother and more convenient.

Frequently asked questions

Which SIM card is best for tourists in Vietnam?

Viettel is often considered the best network because it offers strong nationwide coverage and reliable mobile data speeds.

Can tourists buy SIM cards in Vietnam?

Yes. Tourists can buy prepaid SIM cards at airports, operator stores, and convenience shops.

How much does a SIM card cost in Vietnam?

Tourist SIM cards usually cost between $7 and $35, depending on the data package.

Is eSIM available in Vietnam?

Yes. Many travel eSIM providers offer mobile data plans that work on Vietnamese networks.