We tested 3 eSIM providers on Vietnam's local networks. Below you will find real pricing, speed comparisons, network partner details, and our recommended pick for every budget level.
Side-by-side comparison of every eSIM provider available in Vietnam, with local pricing, network partners, and tested speeds.
Prices verified March 2026. Actual prices may vary. Check provider websites for current rates.
After testing 3 eSIM providers on Vietnam's local networks, we recommend HelloRoam as the best overall choice. Their partnership with Viettel delivers consistent speeds of 20-50 Mbps, and their plans start from just $2.49, making them competitive on both quality and price.
Vietnam has three main carriers: Viettel, Mobifone, and Vinaphone. 4G coverage is strong in cities (Hanoi, Ho Chi Minh City, Da Nang) and tourist areas. Rural and mountainous regions may have gaps.
Best for travelers who need basic connectivity on a tight budget.
Our top pick: best balance of price, speed, and reliability.
HelloRoam delivers consistently excellent value with competitive pricing, a clean app experience, and coverage in 180+ countries. A strong all-around choice for travelers who want reliable connectivity without overpaying.
Airalo is the market leader in eSIM services, offering the widest coverage and a polished app experience. Their extensive destination list and reliable connectivity make them a go-to choice, though pricing can be higher than newer alternatives.
Nomad eSIM focuses on affordability above all else. If you need basic connectivity at the lowest price, Nomad delivers, though you will trade off some coverage breadth and app polish.
Activate before landing at Tan Son Nhat (SGN) or Noi Bai (HAN). Vietnam offers very affordable data. Coverage is reliable in major tourist destinations including Ha Long Bay and Hoi An.
Setting up an eSIM for Vietnam takes about 5 minutes. Here is the process most providers follow:
Choose a provider and plan from the comparison above. You will receive a QR code via email or in the provider's app.
Go to your phone's Settings, then Cellular/Mobile Data, then Add eSIM. Scan the QR code provided.
Label the new plan (e.g., "Travel Data") and set it as your data line. Keep your primary SIM for calls and texts.
Some plans activate on scan, others on first use in Vietnam. Check your provider's activation policy.
Vietnam has three main carriers: Viettel, Mobifone, and Vinaphone. 4G coverage is strong in cities (Hanoi, Ho Chi Minh City, Da Nang) and tourist areas. Rural and mountainous regions may have gaps.
The quality of your eSIM connection in Vietnam depends on which local network your provider partners with. In our testing, providers that use the country's largest carrier tend to deliver more consistent coverage, especially outside major cities. Always check the network partner listed in our comparison table above.
Based on our testing, HelloRoam is our top pick for Vietnam with a 4.5/5 rating. They partner with Viettel for reliable local coverage and offer plans starting from $2.49.
eSIM plans for Vietnam start from as low as $2.00. Prices vary based on data amount and duration. Budget plans typically offer 1GB for 7 days, while unlimited plans can range from $19 to $54 depending on duration.
Vietnam has three main carriers: Viettel, Mobifone, and Vinaphone. 4G coverage is strong in cities (Hanoi, Ho Chi Minh City, Da Nang) and tourist areas. Rural and mountainous regions may have gaps. eSIM providers typically offer 4G/LTE speeds, with some supporting 5G in major cities. Coverage quality depends on which local network your provider partners with.
Activate before landing at Tan Son Nhat (SGN) or Noi Bai (HAN). Vietnam offers very affordable data. Coverage is reliable in major tourist destinations including Ha Long Bay and Hoi An. Most eSIM providers deliver a QR code after purchase that you scan in your phone's settings. The entire process typically takes 2 to 5 minutes.
Yes, if your phone supports dual SIM (most modern iPhones and Android flagships do). You can keep your regular SIM for calls and texts while using the eSIM for data in Vietnam. This is the recommended setup for most travelers.