HelloRoam offers eSIM data plans for Vietnam, starting from A$4.95 a day. Your e SIM links up with local 4G/5G networks the moment you land, no roaming fees. Activate by QR code in under two minutes and keep your Telstra, Optus, or Vodafone number for calls. No lock-in contract: one e-sim covers 185+ countries through 212+ carrier networks.
- networks
212+- 5G support
5G- activation
under 2 minutes
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Your travel sim Vietnam Plans for Every Trip
Cheap eSIM for Vietnam, starting from A$4.95. Local 4G/5G data on trusted carrier networks in Vietnam. Works on all eSIM compatible phones. A Vietnam tourist sim from HelloRoam starts from A$4.95 on Viettel Mobile, Vinaphone, and MobiFone 5G networks. Activate by QR code at home before you fly from Australia. Choose from 1 GB to 20 GB plans to match your trip. No physical SIM needed, no lock-in contract, and your Australian number stays active.
Vietnam eSIM with fast 5G coverage
HelloRoam offers eSIM plans for Vietnam from A$4.95. Connect on Vinaphone and Viettel networks. Activate before your flight and arrive in Hanoi or Ho Chi Minh City already connected.
- Plans start at A$4.95 with 5G speeds
- Coverage from Viettel Mobile and 2+ other operators
- Instant activation in under 2 minutes
- 180-day money-back guarantee
- Vietnam coverage across major cities
- Network
- 5G
- Plans From
- A$4.95
- Activation
- Under 2 min
- Guarantee
- 180 days
How to Set Up an eSIM in Vietnam
Follow these steps to set up your eSIM card on iPhone or Android. Works for any e-sim for international travel, no replacement SIM, no store visit.
Set up an eSIM on your iPhone with the HelloRoam app
Set up an eSIM on your Android with the HelloRoam app
- 1
Choose your plan and checkout online
Select a data plan for your destination and complete checkout.
2Scan the QR code
Scan the QR code to install your eSIM straight away.
- 3
Activate in minutes: ready on arrival
Your eSIM installs instantly and activates when you land.
4Manage it all from our app
Track usage, top up data, and manage all your eSIMs in one place.
Trip changed? No worries, we've got you covered!
Plans can change anytime, and that's fine. With HelloRoam, you can request a refund on any unactivated eSIM within 180 days of purchase.
Learn more about our refund policyHelloRoam Vietnam eSIM vs Telstra, Optus and Vodafone AU roaming
When comparing eSIM vs a travel SIM card for Vietnam, HelloRoam wins on price. It beats Telstra International Day Pass (A$10/day), Optus Travel Pass (A$5/day), and Vodafone AU daily roaming fees. The cheapest eSIM plan starts from A$4.95, with no activation fee and a refund on unactivated eSIMs within 180 days.
| Feature comparison | HelloRoam | Telstra / Optus roaming add-on | Limited data eSIM |
|---|---|---|---|
| Refund on unactivated eSIMs |  Feature available |  Feature not available | Feature not available |
| 24/7 live chat support | Feature available |  Feature available | Feature available |
| $0 activation fees | Feature available | Feature not available | Feature available |
| Free hotspot and data sharing | Feature available | Feature not available | Feature not available |
| No data overage charges | Feature available | Feature not available | Feature not available |
| Instant QR code delivery | Feature available | Feature not available | Feature available |
| Premium Vietnam carrier networks | Feature available | Feature not available | Feature not available |
Vietnam SIM card or eSIM: which is better for Australians on a north-to-south trip?
A SIM card for Vietnam from a Noi Bai or Tan Son Nhat airport counter means queuing on arrival and a physical card to manage through 14 UNESCO World Heritage areas. A HelloRoam eSIM activates at home by QR code. You land in Hanoi or Ho Chi Minh City already connected.
A tourist sim card Vietnam from a local carrier requires passport registration. HelloRoam delivers your QR code by email at purchase. Scan it before your flight from Australia and data is live when you land.
A prepaid SIM card Vietnam from an airport kiosk is a one-network lock. HelloRoam runs on Viettel Mobile, Vinaphone, and MobiFone 5G from A$4.95 with a 180-day refund guarantee on unactivated eSIMs and coverage from Hanoi to the Mekong Delta.
An eSIM card Vietnam from HelloRoam starts from A$4.95 on Viettel Mobile, Vinaphone, and MobiFone 5G. Plans cover 1 GB to 20 GB with a 180-day money-back guarantee on unactivated eSIMs. No lock-in contract.
The cheapest eSIM for Vietnam from HelloRoam gives you prepaid data on Viettel Mobile, Vinaphone, and MobiFone 5G networks. Ideal for Australians backpacking from Ha Long Bay to Phu Quoc without hunting for a local SIM shop.
An unlimited eSIM Vietnam plan from HelloRoam gives you uncapped data on Viettel Mobile, Vinaphone, and MobiFone 5G networks. Great for the full Vietnam circuit from Ha Long Bay to the Mekong Delta.
Why Aussie Travellers Pick an e-sim for Vietnam
24/7 Round-the-clock chat support
Need a hand at 2am before a Bali flight? HelloRoam support is available 24/7. Message us and a real person responds in under 2 minutes. Whether you're troubleshooting mobile data mid-trip or need a top-up on your prepaid data package, help arrives fast.
The best eSIM for Vietnam travel
Connect to local 4G/5G networks the moment you land in Vietnam, at a fraction of what Telstra, Optus, or Vodafone AU charge for international roaming. Plans start from A$4.95 with no lock-in contract and no activation fees. It's the most affordable way to get internet abroad without a Telstra Day Pass eating into your travel budget.
Keep your Telstra, Optus, or Vodafone AU number
Keep your Telstra, Optus, or Vodafone AU number active for calls and texts. HelloRoam handles your data through a second eSIM line on any dual SIM compatible phone. Your wireless connectivity for data runs separately, so friends and family back home can still reach your usual number.
212+ partner networks worldwide
HelloRoam connects to 212+ carrier networks across 185+ countries. Fixed data and unlimited data plans available. Your phone switches to the strongest available 4G/5G signal automatically. With cellular coverage this broad, you get reliable internet abroad whether you're in a city centre or off the beaten track.
Usage alerts before you run out
HelloRoam alerts you at 80% usage so you're never caught short mid-trip. Top up instantly from the app without reinstalling your eSIM. Adding more mobile data takes under a minute, so your prepaid data package keeps up with your trip rather than the other way round.
Fast local network speeds
Connect on trusted local 4G/5G networks in Vietnam. HelloRoam picks the strongest signal for calls, navigation, and streaming. Local network speeds mean you get the same fast mobile data as residents use every day.
Global and regional plans
Planning a multi-country trip? HelloRoam regional eSIMs cover Asia Pacific, Europe, and 185+ destinations in one purchase. eSIMs for Europe span 34+ countries. Japan, Bali, Thailand, and NZ all sorted. One prepaid data package covers your whole itinerary, with no SIM card to swap at each border.
Hotspot and data sharing in Vietnam
Share your Vietnam eSIM data with a laptop or tablet using your phone's hotspot. No extra fees, no setup. Works on all eSIM compatible phones. Your wireless connectivity extends to every device in the group, so the whole crew stays online from a single prepaid data package.
Best eSIM for Vietnam: Prices and Plans
HelloRoam, the best eSIM Vietnam. Compare plans and save versus Telstra, Optus, and Vodafone roaming.
| Number of days | Price (AUD) |
|---|---|
| 1 day | A$6.29 |
| 3 days | A$17.93 |
| 7 days | A$38.74 |
| 15 days | A$75.47 |
| 22 days | A$102.38 |
| 30 days | A$128.29 |
HelloRoam vs Other eSIM Providers for Vietnam
For Vietnam, HelloRoam offers a refund on unactivated eSIMs within 180 days, A$0 activation fees, and 24/7 live chat support. See how HelloRoam compares to Airalo, Holafly, Saily, and other eSIM providers on the features that matter most.
| Feature comparison | HelloRoam | Airalo | Holafly | Nomad | Saily | Ubigi |
|---|---|---|---|---|---|---|
| Refund on unactivated eSIMs | Feature available | Feature not available | Feature not available | Feature not available | Feature not available | Feature not available |
| 24/7 live chat support | Feature available | Feature available | Feature available | Feature not available | Feature available | Feature available |
| A$0 activation fees | Feature available | Feature not available | Feature available | Feature not available | Feature not available | Feature not available |
| Free hotspot and data sharing | Feature available | Feature not available | Feature not available | Feature not available | Feature not available | Feature not available |
| No data overage charges | Feature available | Feature not available | Feature available | Feature not available | Feature not available | Feature not available |
| Instant QR code delivery | Feature available | Feature available | Feature available | Feature available | Feature available | Feature available |
| Premium Vietnam carrier networks | Feature available | Feature not available | Feature not available | Feature not available | Feature not available | Feature not available |
| Own branded carrier identity (SPN) | Feature available | Feature not available | Feature not available | Feature not available | Feature not available | Feature available |
What Is an eSIM Card? How e SIM Works for Vietnam Travel
An eSIM card is a digital SIM built directly into your phone. No plastic chip and no SIM tray to deal with. Scan a QR code to activate your e SIM in under two minutes on any eSIM compatible iPhone or Android. It works as a prepaid mobile data plan for Vietnam travel with no airport SIM shop queue, no replacement SIM card, and no carrier contract. Follow the step-by-step setup guide to get connected before your flight from Sydney Airport (SYD), Melbourne Airport (MEL), or Brisbane Airport (BNE). guide
Mobile coverage guide for Vietnam
Vietnam is a long, thin country stretching from the Chinese border to the Ca Mau Peninsula, and Australians keep heading there for the food, history, and coastline.
HelloRoam plans connect on Vinaphone and Viettel, which cover Ho Chi Minh City, Hanoi, Da Nang, Hoi An, and the main tourist routes, with Viettel reaching far into the countryside. A HelloRoam eSIM lets you land already connected without sorting a local SIM at the airport.
- HelloRoam connects to Viettel Mobile 5G, Vinaphone 5G, MobiFone 5G in Vietnam
- Coverage across Ho Chi Minh City, Hanoi, Da Nang, Hoi An, and Hue
- Connect on Vinaphone and Viettel
- Activate at home before your flight from Australia
eSIM Travel Tips for Vietnam
Grab app and live navigation
Grab (Southeast Asia's ride-sharing equivalent of Uber) is essential in Vietnamese cities. You need a live data connection to book Grab rides from Ho Chi Minh City's Ben Thanh Market or navigate Hanoi's Old Quarter. Your HelloRoam eSIM keeps Grab and Google Maps running throughout your trip.
Coverage on the motorbike trails
The Ho Chi Minh road, the Hai Van Pass, and the mountain roads around Sapa and Ha Giang are popular with Australians on motorbike tours. Coverage on these routes can be patchy in the mountains. Download offline maps for any extended mountain riding.
Ha Long Bay and island coverage
Ha Long Bay cruise boats typically provide Wi-Fi on board but the signal is inconsistent. On the water between limestone karsts, mobile coverage can drop. Download any content you need before boarding your cruise and enjoy the scenery without needing data.
Vietnamese food navigation
The best Vietnamese food is often in unmarked alley restaurants found only through local recommendations and Google Maps reviews. A live data connection is essential for finding pho spots, banh mi stalls, and fresh spring roll restaurants that do not appear on tourist maps.
Currency and banking apps
Vietnam is still largely cash-based. ATMs are widely available in cities. Keep your Australian banking app accessible on mobile data to monitor your account when withdrawing Vietnamese Dong. Check smartraveller.gov.au before visiting Vietnam.
Mobile networks in Vietnam: Viettel, Vinaphone, and Mobifone
Vietnam's three main carriers are Viettel, Vinaphone, and Mobifone, all state-controlled. Viettel's network stretches into the countryside, the northern highlands, and the Mekong Delta, while Vinaphone is strong in the major cities. Your HelloRoam eSIM connects on Vinaphone and Viettel and uses whichever signal is stronger where you are, with 5G now live in the biggest cities.
- Viettel Mobile
- 5G
- Vinaphone
- 5G
- MobiFone
- 5G
HelloRoam eSIM vs Australian carrier roaming in Vietnam
Real cost comparison for Australians visiting Vietnam.
| Category | HelloRoam eSIM Recommended | Vietnamese SIM card | Telstra, Optus, or Vodafone AU roaming |
|---|---|---|---|
| Typical cost | From A$6.98 total | A$3.55–A$11.36 total | A$14.20–A$28.39/day |
| Details | Plans start at A$4.95. Buy before your flight, activate at home, and land in Ho Chi Minh City or Hanoi already on local data. No SIM queue at Tan Son Nhat Airport. | Viettel and Vinaphone tourist SIMs are cheap locally but require SIM swapping and a passport. You need to store your Australian SIM safely for 2 to 3 weeks while travelling the length of the country. | Telstra's International Day Pass costs AU$10 per day in Vietnam. A three-week Vietnam trip from HCMC to Hanoi adds AU$210 in data roaming alone, equivalent to a return flight upgrade. |
Prices approximate as of . Actual savings vary.
Best time to visit Vietnam from Australia
Vietnam's climate varies dramatically from north to south. The south including Ho Chi Minh City and the Mekong Delta has a dry season from November to April. Central Vietnam including Da Nang and Hoi An is best from February to August. Northern Vietnam including Hanoi and Ha Long Bay is most pleasant from October to April. Many Australians visit during the Australian winter school holidays from June to July, which falls in central Vietnam's dry season.
Reviewed by HelloRoam Editorial Team
Reviewed by HelloRoam Editorial Team
Top Destinations in Vietnam
Bien Hoa
Bien Hoa is a major industrial city in Dong Nai Province just north of Ho Chi Minh City, the third most populated city in Vietnam. HelloRoam keeps you connected.
Viettel and Mobifone cover Bien Hoa with 4G. The expressway between Bien Hoa and Ho Chi Minh City has consistent
Can Tho
Can Tho is the heart of the Mekong Delta, with famous floating markets, boat tours through fruit orchards, and fresh seafood. HelloRoam keeps you connected in the delta.
Viettel and VNPT cover Can Tho with 4G. The Cai Rang floating market starts before dawn, so activate your eSIM the
Cn Th
Visit Cn Th and stay online with HelloRoam data plans that cover all of Vietnam.
Can Tho in the Mekong Delta has Vinaphone 4G coverage in the city center. The river network areas have variable signal.
Da Nang
Da Nang is Vietnam's central coast gem with great beaches, the Marble Mountains, and easy access to Hoi An. HelloRoam keeps you connected throughout.
Viettel and Mobifone cover Da Nang with 4G. Activate before landing at Da Nang International Airport.
Ha Noi
Hanoi is Vietnam's 1,000-year-old capital and one of Southeast Asia's most atmospheric cities, with tree-lined boulevards and the Old Quarter. HelloRoam covers you city-wide.
Viettel 5G is rolling out in central Hanoi. Activate before landing at Noi Bai International Airport for coverage
Hai Ba Trng
HelloRoam covers Hai Ba Trng and all of Vietnam with fast, reliable mobile data.
Hai Ba Trung district in Hanoi has Vinaphone 4G coverage. This central district has consistent signal throughout.
Hai Phong
Hai Phong is Vietnam's third city and main northern port, the gateway to Cat Ba Island and Ha Long Bay by fast ferry. HelloRoam keeps you connected.
Viettel and Mobifone cover Hai Phong with 4G. The ferry to Cat Ba Island has coverage for most of the crossing on the
Haiphong
HelloRoam gives you instant data access in Haiphong, Vietnam with no extra fees.
Haiphong has Vinaphone 4G coverage across the city. Cat Bi International Airport has terminal coverage for travelers.
Hanoi
Hanoi is Vietnam's ancient capital, a city of lakes, street food, and French colonial architecture. HelloRoam keeps you online as you explore the Old Quarter.
Viettel 4G covers Hanoi well. Activate your HelloRoam eSIM before landing at Noi Bai International Airport.
Ho Chi Minh City
Stay connected in Ho Chi Minh City with HelloRoam eSIM data plans that work across Vietnam.
Ho Chi Minh City has Vinaphone 4G throughout. Tan Son Nhat Airport has strong indoor signal in all terminals.
Hue
Hue is Vietnam's former imperial capital, with a spectacular walled Citadel, royal tombs along the Perfume River, and exceptional cuisine. HelloRoam keeps you connected.
Viettel 4G covers Hue city and the Citadel. The royal tombs along the Perfume River have coverage, making it easy to
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Reviews
What Our Customers Say
Real reviews from Trustpilot and the App Store, quoted as written.
40k+ travellers have used HelloRoam
Cat
On a trip to Europe, my hotel Wi-Fi was so slow and outside Wi-Fi was unreliable. I couldn’t take it anymore so I got helloroam for a few days. It was tricky to set up correctly because of the primary settings (with my original number). But I reached out to their customer service via WhatsApp. Super responsive and helpful, with specific and clear steps to troubleshoot. Appreciate having 4G roaming instead of being stuck with in and out Wi-Fi during my trip!!
Rated 5 out of 5 by this reviewer
Very good experience! The eSIM was easy to set up and worked great in London. It was much cheaper than it would have been to use my own operator there.
Ilona
Rated 5 out of 5 by this reviewer
metulker
Hard to set up but help was good
Rated 5 out of 5 by this reviewer
Reuben
Really happy with HelloRoam. Everything worked as expected, from messaging and Google Maps through to streaming without any issues. Easy to use, reliable and affordable. Would happily use them again when travelling.
Rated 5 out of 5 by this reviewer
Angeline
Reliable connection. Reasonable pricing.
Rated 4 out of 5 by this reviewer
Updated
FAQs About eSIM in Vietnam
How much does a Vietnam tourist sim cost for Australians visiting Hanoi, Ha Long Bay, and Hoi An?
Get a travel eSIM Vietnam from HelloRoam starting at A$4.95 on Viettel Mobile, Vinaphone, and MobiFone 5G networks. Scan the QR code at home and data is live when you land. No physical SIM card required, no roaming charges.
Is a Vietnam e-sim worth it for an Australian north-to-south backpacking or beach circuit?
The cheapest eSIM Vietnam from HelloRoam runs on Viettel Mobile, Vinaphone, and MobiFone 5G networks from A$4.95. Scan the QR code at home and arrive connected. Plans range from 1 GB to 20 GB. No contract required and a 180-day refund guarantee on unactivated eSIMs covers every order.
Does a HelloRoam Vietnam eSIM cover Hoi An, Da Nang, and the central Vietnamese highlands?
HelloRoam's Vietnam plan runs on Viettel Mobile, Vinaphone, and MobiFone 5G networks across the full country from Hanoi and Ha Long Bay in the north to Da Nang, Hoi An, and Ho Chi Minh City in the south, with coverage extending to the Mekong Delta and Phu Quoc island. Plans start from A$4.95 and activate by QR code at home before your direct flight from Sydney, Melbourne, or Brisbane to Noi Bai or Tan Son Nhat.
Can I use a HelloRoam Vietnam eSIM and still receive calls on my Australian mobile number while backpacking?
Yes, dual SIM lets you run a HelloRoam Vietnam eSIM for data alongside your Australian Telstra, Optus, or Vodafone SIM card for calls and messages. Your Australian number stays reachable for incoming calls throughout your Vietnam trip while HelloRoam covers local data at rates from A$4.95. No daily roaming pack needed and no contract to sign.
What is the best eSIM for Vietnam?
HelloRoam keeps you connected across Vietnam, not just in the big cities. Plans connect on Vinaphone and Viettel from A$4.95, and Viettel's network reaches deep into rural Vietnam. Activate before your flight and land at Tan Son Nhat or Noi Bai ready for Grab, maps, and translation apps.
Do I need a local SIM in Vietnam?
You do not need a local SIM if you have a HelloRoam eSIM. Local SIMs in Vietnam are cheap but require SIM-swapping, passport registration, and carrying around a small card for three weeks. A HelloRoam eSIM installs on your existing phone without touching the SIM tray.
Is there mobile coverage in Hoi An and Da Nang?
Yes, Hoi An and Da Nang have strong 4G coverage from Viettel and Vinaphone. HelloRoam connects reliably across Da Nang city, An Bang Beach, and the Hoi An ancient town. The Hai Van Pass between the two cities has signal in most sections.
How much data do I need for three weeks in Vietnam?
Three weeks travelling the length of Vietnam using Grab, Google Maps, messaging, and booking things online typically needs 5 to 8 GB. If you stream music or video on overnight trains, add more. A 5 GB or 10 GB plan suits most three-week itineraries.
Does HelloRoam work in Ha Long Bay?
HelloRoam works on the Ha Long Bay coast and in Ha Long City. Out on the water between the karst islands, signal can drop depending on which carrier your phone connects to. Download offline maps and cruise itineraries before boarding.
Which networks does HelloRoam use in Vietnam?
HelloRoam connects on Vinaphone and Viettel across Vietnam. Viettel reaches well beyond the cities into rural areas, and Vinaphone holds its own in the cities and along the coast. Your phone picks the stronger signal as you move between them.
How do I activate a HelloRoam eSIM for Vietnam?
Buy at helloroam.com, scan the QR code in your phone settings, and enable data when you land at Noi Bai in Hanoi or Tan Son Nhat in Ho Chi Minh City. Best done at home before your flight.
How much does a HelloRoam eSIM for Vietnam cost?
Plans for Vietnam start at A$4.95. Vietnam is one of Southeast Asia's great value destinations, and a HelloRoam eSIM keeps your data costs as low as your street food bill across the whole country.
Does HelloRoam work in Hanoi?
Yes. Hanoi has strong coverage on Vinaphone and Viettel, and HelloRoam connects well across the Old Quarter, Hoan Kiem Lake, and Noi Bai Airport. Signal stays solid on the busy streets, which helps when you're tracking a Grab bike through the traffic.
Does HelloRoam work in Hoi An?
Yes, Hoi An Ancient Town and the surrounding area have solid 4G coverage. HelloRoam connects well across the lantern-lit streets, tailors, and restaurants of the UNESCO heritage town.
Does HelloRoam work in Ho Chi Minh City?
Yes, Ho Chi Minh City has excellent 4G and 5G coverage from Viettel and Vinaphone. HelloRoam connects well across District 1, Ben Thanh Market, and throughout the city.
What to Know Before You Buy
eSIM requires an unlocked, eSIM-compatible device. Check your phone settings before buying.
Most travel eSIM plans provide data only. Your existing phone number stays active for calls and texts on your primary SIM.
Coverage quality varies by location within Vietnam. Urban areas typically have strong 4G/5G coverage, while rural or remote areas may have limited connectivity.
Install your eSIM before you leave. Activation requires an internet connection, which may not be available at your destination airport.
Transparency Notice
- Service Provider Name (SPN)
- HelloRoam appears as the carrier name on your phone's status bar through the SPN, a standardized field in the eSIM profile. Unlike most travel eSIM resellers, HelloRoam provisions its own Service Provider Name.
- Public Network Name (PNN)
- The PNN is the network-name field in your eSIM profile, defined in the mobile standard 3GPP TS 31.102 (EF_PNN). Your phone can read it to show the name of the network you're on.
- Access Point Name (APN)
- HelloRoam eSIMs auto-configure their Access Point Name during installation. Your device connects to the strongest local network infrastructure without manual settings.
Prices are our retail rates across 185+ countries. Plan recommendations use real traveller feedback and network performance data. You can get a refund on unactivated eSIMs within 180 days.
Future Syncs Limited 124 City Road, London, EC1V 2NX, UK +44 203 916 6249 help@helloroam.com Reg. No. 15950168
