eSIM Vietnam
Premium eSIM for Vietnam. Fairly priced. No SIM swaps.
Data Plans for Vietnam
All 13 plans have fast network routing
Our Picks for You
Hand-selected based on value, price, and coverage
Most travelers · balanced usage
180 days validity
Vietnamobile, Vinaphone
Short trips · light usage
15 days validity
Viettel Mobile, Vinaphone, MobiFone
Heavy usage · longer stays
30 days validity
Viettel Mobile, Vinaphone, MobiFone
7 days validity
Viettel Mobile, Vinaphone, MobiFone
30 days validity
Viettel Mobile, Vinaphone, MobiFone
30 days validity
Viettel Mobile, Vinaphone, MobiFone
30 days validity
Viettel Mobile, Vinaphone, MobiFone
How It Works
Purchase Before Departure
Buy your eSIM plan before boarding your flight to Vietnam.
Install the eSIM Profile
Scan the QR code in your phone's settings to install the eSIM profile.
Activate on Arrival
Activate when you arrive in Vietnam and enable Data Roaming. Your phone will connect automatically.
Tip: Set up your Vietnam eSIM before departure — have Grab installed when you land at Noi Bai or Tan Son Nhat for a smoother airport exit.
Plans Summary
13 plans
· from
Tip: Most travelers choose 5–10 GB for a 7–10 day trip
Frequently Asked Questions
Does the eSIM work in Ha Long Bay?
Coverage is available near Ha Long City port and on main cruise routes. Signal weakens on overnight cruises heading deeper into the bay, particularly on routes to Lan Ha Bay and Cat Ba Island. Download offline maps and your booking PDFs before boarding.
Can I use Grab throughout Vietnam?
Yes. Grab covers Hanoi, Ho Chi Minh City, Da Nang, Hoi An, Hue, Nha Trang, and most cities. In very small towns and rural areas, local xe om (motorbike taxis) are the alternative — negotiate the fare before boarding.
How is coverage on the Ha Giang Loop?
Coverage exists near towns along the loop (Dong Van, Meo Vac, Yen Minh). The mountain passes between towns — including the famous Ma Pi Leng Pass — can have limited or no signal. Download Google Maps offline for the full route before starting.
Does the eSIM work in Hoi An and Da Nang?
Yes. Both cities have strong 4G coverage. Hoi An's Ancient Town area is well-covered throughout, including on bicycle rides along the riverside and to the beach at An Bang. Da Nang's airport, beaches (My Khe, Non Nuoc), and Marble Mountains are all covered.
Will I have coverage on the Reunification Express train?
Generally yes along main populated sections between Hanoi and HCMC. Coverage drops in tunnels through mountain ranges and in remote rural stretches. Not ideal for continuous streaming, but messaging and light use work for most of the journey.
How is coverage in Sapa?
Coverage is available in Sapa town and along the main road down toward Lao Cai. Trekking routes between Sapa and surrounding villages (Cat Cat, Ta Van, Ban Ho) have variable signal — download offline maps for the trails.
Can I book Ha Long Bay cruises using apps with my eSIM?
Yes. Klook, Viator, and TripAdvisor all list verified operators for Ha Long Bay overnight cruises. Book in advance during peak season (October–April) — quality boats fill quickly, and last-minute availability is limited.
Does the eSIM work in the Mekong Delta?
Coverage exists in main Mekong Delta towns — Can Tho, My Tho, Ben Tre, Chau Doc. On boat tours through the waterways and in rural delta areas away from towns, signal can be patchy or absent. Download offline maps before boat day trips.
Vietnam is part of these regional plans
Neighbouring countries
eSIM Guide for Vietnam
Your eSIM connects to major carriers in Vietnam:
Available networks: 5G
Vietnam's transport runs on apps. Grab covers most cities for car and motorbike taxi rides — in Hanoi and Ho Chi Minh City, Grab Bike (motorbike taxi) is the fastest way through traffic. Having it running before your taxi exits the airport arrival zone at Noi Bai or Tan Son Nhat is a meaningful advantage over the fixed-price taxi counters. Be Ride (a Vietnamese competitor) is cheaper in some cities. Vietnamese script is challenging to navigate without translation — Google Translate's camera mode handles Vietnamese script reliably.
Viettel has the widest coverage across Vietnam. Mobifone and Vinaphone are strong in major cities. All three provide good 4G in Hanoi, Ho Chi Minh City, Da Nang, Hoi An, and Hue. Ha Long Bay has decent coverage near the main port at Ha Long City; coverage weakens on cruise routes further into the bay, particularly overnight trips into more remote karst areas. The Mekong Delta and Ca Mau Peninsula have variable signal between waterways.
Apps for Vietnam travel: Grab (essential), Google Maps (accurate for Vietnamese cities and roads), Agoda and Booking.com for accommodation — Hoi An's Ancient Town area fills quickly and last-minute bookings require data. The VNR app handles Vietnam Railways booking. The Reunification Express from Hanoi to Ho Chi Minh City (stopping at Da Nang, Hue, Nha Trang) is one of Southeast Asia's great rail journeys, and sleeper tickets sell out weeks ahead on popular segments.
Northern Vietnam scenarios: Sapa (near the Chinese border) has good coverage in the town but weakens on rice terrace trekking routes between villages. The Ha Giang Loop motorcycle route has coverage near towns but drops in remote mountain passes — download offline maps before starting the loop. The caves of Phong Nha-Ke Bang National Park have coverage at the park entrance and in Phong Nha town.
Vietnamese SIM cards are among the cheapest in the world — Viettel, Mobifone, and Vinaphone tourist SIMs at Hanoi and HCMC airports cost a few dollars for generous data. However, the arrival process at Vietnamese airports can be slow, and having your eSIM ready means you're using Google Maps and Grab immediately rather than navigating the SIM kiosk situation first.