eSIM plans · AsiaeSIM Plans for Vietnam (2026)
If you use 1.5GB per day in Vietnam, you need 11GB for a 7-day trip. Airalo's 20GB plan at $27.49 gives you 20GB on Vinaphone, 9GB more than the minimum. Heavy streamers get unlimited data at $4.43/day on Vinaphone.
If you plan 8 days in Vietnam, then 12GB keeps maps, messaging, and photo sharing running at 1.5GB per day on 5G. If you grab the 20GB plan for $27.49, you get 8GB of headroom beyond your 12GB baseline. Heavy users can skip the math with unlimited data from $4.43/day on Viettel.
Usage varies a lot by traveler type for a 8-day trip. Light users (email and maps only) need about 500MB per day, so 4GB total. Moderate users (social media and navigation) need 1.5GB per day, so 12GB total. Heavy users (video calls and streaming) consume 3GB per day, so 24GB total. Vietnam carries 2 operators on 5G with 7 plan sizes to match each tier.
Each traveler type maps to a specific plan in Vietnam. At $11.09, the 5GB plan handles 8 days of basic navigation and email without overspending. Moderate travelers pay $11.09 for 5GB and get the best balance between data size and per-GB cost ($2.22/GB). Heavy users: unlimited daily data at $4.43/day on Viettel removes the cap entirely.
Which plan fits your Vietnam trip?
Find the row that sounds like you. Most travelers land on Moderate. Not sure? Take the quiz.
- Train navigation & maps
- Translation & messaging
- Email & boarding passes
- Instagram & photo sharing
- Browsing & light video
- Music & the odd call home
- Streaming & video calls
- Remote work sessions
- Laptop hotspot
How trip length changes your Vietnam plan
Short trips and extended stays need different data strategies. Find your trip length below.
Short trip (1–3 days)
A 1-3 day trip needs 5GB at moderate use. The 5GB plan at $11.09 covers maps and messaging on Viettel.
Standard trip (5–10 days)
For a week-long visit, 11GB covers moderate daily use. The 20GB at $27.49 on Viettel fits this range.
Extended stay (14–30 days)
Extended stays of 14-30 days push past fixed plan limits. Unlimited data at $4.43/day on Viettel removes the cap.
All four providers for Vietnam
Representative 7-day plans. Prices verified June 2026
| Provider | Rating | Data | Days | Price | Per day | Per GB | Best for | Action |
|---|---|---|---|---|---|---|---|---|
 Airalo #1 Pick | 8.8/10 | 5 GB | 7 | $11.09 | $1.58 | $2.22 | Overall | Get Plan |
 Saily | 8.3/10 | 5 GB | 7 | $11.09 | $1.58 | $2.22 | Privacy | Get Plan |
 Holafly | 8.6/10 | Unltd | 7 | $31.01 | $4.43 | N/A | Unlimited | Get Plan |
 Nomad | 8.4/10 | 5 GB | 7 | $7.49 | $1.58 | $2.22 | Budget | Get Plan |
 HelloRoam | 8.7/10 | 5 GB | 7 | $11.09 | $1.58 | $2.22 | Coverage + Value | Get Plan |
Affiliate disclosure: We earn a commission when you buy through our links at no extra cost to you.
Who you're connecting to
In Vietnam, the underlying carrier matters more than the brand on your plan.
In Vietnam, the underlying carrier affects download speeds, rural signal strength, and plan pricing. Airalo connects to Vinaphone's 5G towers, which cover urban corridors and airports across Vietnam. Moderate and heavy users get the most consistent speeds on this routing. Viettel Mobile runs secondary towers in Vietnam's countryside and mountain regions, giving hikers and road-trippers a fallback when Vinaphone thins out. Holafly connects to Viettel Mobile and charges $4.43/day for uncapped data. Heavy users who stream or hotspot benefit most from this routing. If you work from cafes or airports in Vietnam, Saily's VPN layer on Viettel Mobile encrypts your traffic without a separate app. If you need just maps and messaging in Vietnam, Nomad starts at $3.49 for 1GB on 5G. No extra data, no extra cost. Since all 2 carriers in Vietnam run 5G, your usage tier drives the plan choice more than the network name.
Airalo
5GUses Vinaphone network. Broadest coverage footprint.
Saily
5GUses Vinaphone network. Added privacy features baked in.
Holafly
5GUses Vinaphone network. Unlimited plans with fair-use speeds.
Nomad
5GUses Vinaphone network. Great in cities and main routes.
HelloRoam
5GUses Vinaphone network. Great in cities and main routes.
What uses your data in Vietnam
Activity-level data breakdown on Vinaphone's network.
Streaming
Streaming in Vietnam on 5G uses about 1.5GB/hour at 720p. Budget 3-6GB per day if you watch video regularly.
Navigation
Google Maps and ride apps use 50-100MB per hour of active navigation on Viettel. An all-day city tour runs 300-500MB total.
Social media
Instagram, TikTok, and Facebook consume 300-500MB/hour on 5G. Reduce auto-play video to cut usage by 40%.
Work tools
Remote work on 5G in Vietnam uses 1-2GB/hour for video calls. Email and Slack add 50-100MB/hour. Cloud file uploads vary by size.
Pricing notes for Vietnam
If you compare per-GB rates across Vietnam plans, bigger tiers win on unit cost: 1GB at $3.49 ($3.49/GB), 3GB at $7.49 ($2.50/GB), 5GB at $11.09 ($2.22/GB), 10GB at $19.31 ($1.93/GB), 20GB at $27.49 ($1.37/GB). At $2.22/GB, the 5GB plan for $11.09 gives social media and navigation users 4 days of data. The entry plan at $3.49 for 1GB targets light users who keep daily usage under 500MB. At $4.43/day, unlimited data breaks even with the 20GB fixed plan after 6 days. Longer trips save money on unlimited. A 30-day unlimited plan drops to $3.63/day (18% off). Holafly suits heavy users on unlimited; Nomad's fixed tiers cover light and moderate travelers at lower cost. If price drives your decision, Nomad starts at $3.49 for 1GB in Vietnam.
See how Vietnam compares to similar destinations in Asia. For device-specific setup, read our guides for iPhone, Samsung, and Pixel.
Planning notes for Vietnam
Before choosing a data plan for Vietnam, factor in these trip-planning details. Free WiFi common in cafes and hotels in tourist areas; Vietnam is a major digital nomad hub. Travelers who rely on WiFi for evening browsing use 30-40% less mobile data per day. Traveling during Oct-Apr? Dry season varies by region; north is best October-April, south November-April. Crowds in Vietnam push navigation and transport app usage up by 200-300MB per day. Plan for 8 days in Vietnam. Moderate users (1.5GB/day) target 12GB total.
WiFi and offline options in Vietnam
Vietnam offers good WiFi coverage. Free WiFi common in cafes and hotels in tourist areas; Vietnam is a major digital nomad hub. Download maps and shows over WiFi to reduce your plan size. Average download speed on Viettel is 52 Mbps. That handles video calls and HD streaming without buffering. Pre-download maps and media over WiFi. Offline navigation and cached content cut daily mobile data use by 30-40%.
Peak season data planning for Vietnam
Oct-Apr brings the most tourists to Vietnam. Dry season varies by region; north is best October-April, south November-April. Crowds increase ride-hailing and navigation data by 200-300MB/day. Buy one tier larger than your off-season estimate on Viettel.
Should you buy a SIM at the airport?
Buying a SIM at the airport in Vietnam costs $5-15 for 6-20GB / 15-30 days with a 10-15 min wait. An eSIM from $3.49 for 1GB installs before your flight and connects to Viettel the moment you land. No passport queue, no store visit.
How to activate your Vietnam eSIM
If you travel as a moderate user, grab a plan covering 1.5GB/day for Vietnam. Install the eSIM profile by scanning the QR code from your phone's cellular settings before departure.
If you want to receive calls on your home number while abroad, keep both lines active. Set the eSIM as "Travel Data" for internet and your home SIM for voice.
If your eSIM is pre-installed, Viettel connects you to 5G in Vietnam the moment your phone leaves airplane mode. Total setup time: under 30 seconds.
Passport required; real-name registration mandatory since 2018. Your eSIM provider handles backend registration, so activate before landing to avoid delays.
Common Vietnam eSIM questions
Direct answers grounded in real plan data and carrier coverage.
What plan do I need?
Viettel and Vinaphone are the main networks in Vietnam. Airalo's eSIM connects to Viettel and offers plans from $3.49 (1GB) to $27.49 (20GB). For a 8-day trip, moderate users need about 4GB. The 5GB plan at $11.09 covers that.
How much data do I need?
For a 8-day trip to Vietnam, your data needs depend on activity. Maps and messaging use about 0.09GB/day (1GB total). Social media and navigation use 0.4GB/day (4GB total). Streaming and video calls use 3.53GB/day (29GB total). Vietnam has decent WiFi in hotels and cafes, which offsets about 15% of your data needs. Plans on Viettel start at $3.49.
Which provider is cheapest?
Airalo offers the lowest eSIM prices for Vietnam. The 1GB plan costs $3.49 ($3.49/GB). Larger plans drop the rate further: 20GB costs $27.49 ($1.37/GB). All plans connect to Viettel.
Is an eSIM worth it?
An eSIM saves money and time in Vietnam. Airport SIM cards cost $5-15 for 6-20GB / 15-30 days after a 10-15 min wait. Airalo's 20GB eSIM costs $27.49 for 12GB and activates before you board. It runs on Viettel, the same network airport SIMs use.
eSIM vs SIM card?
For Vietnam, an eSIM works better for trips under 30 days. It costs $3.49 (1GB) and activates before you land on Viettel. A physical SIM costs $5-15 for 6-20GB / 15-30 days with 10-15 min of queue time. Vietnam requires SIM registration with passport, which adds time at the counter. Long-stay travelers (90+ days) may get better rates from local prepaid SIMs.
How to set up?
Setting up an eSIM for Vietnam takes about 5 minutes. Step 1: Buy a plan from Airalo (Plans start at $3.49 for 1GB on Viettel.) Step 2: Scan the QR code or use the direct install link. Step 3: Turn on the eSIM line in your phone settings. Step 4: Enable data roaming and set the eSIM as your data line. The plan connects to Viettel when you arrive.
Plan match by traveler profile
Each profile maps to a specific plan size and provider for Vietnam.
Backpacker
maps and messaging over 8 days in Vietnam totals 4GB. The 5GB plan from Airalo at $11.09 fits a backpacker on Viettel.
Backpackers staying 8 days in Vietnam need 4GB for navigation and hostels. The 5GB plan at $11.09 matches.
Business traveler
For video calls and uploads in Vietnam, a business traveler uses 24GB across 8 days. Airalo's 20GB at $27.49 matches on Viettel.
Video calls and file uploads push daily use to 3GB. Over 8 days that is 24GB. Unlimited at $4.43/day on Viettel covers it.
Family group
For social media and navigation in Vietnam, a family traveler uses 16GB across 8 days. Airalo's 20GB at $27.49 matches on Viettel.
Three travelers sharing Vietnam data need 48GB for 8 days. Each grabs the 20GB at $27.49 on Viettel.
Digital nomad
For remote work and streaming in Vietnam, a digital nomad uses 20GB across 8 days. Airalo's 20GB at $27.49 matches on Viettel.
Digital nomads working from Vietnam need 20GB across 8 days. The 20GB at $27.49 covers co-working uploads and video calls on Viettel.
Your questions, answered
How much data do I need for a 7-day trip to Vietnam?
Three traveler types, three data budgets for 7 days in Vietnam. The navigator (maps, WhatsApp, quick Google searches) needs 4GB. The social traveler (Instagram, TikTok, Google Maps, daily browsing) needs 11GB. The 20GB plan at $27.49 fits this profile. The remote worker (video calls, Zoom, cloud sync) needs 28GB on Vinaphone's 5G network. Know your type before you buy.
Should I get a fixed data plan or unlimited for Vietnam?
Two traveler types, two answers for Vietnam. The leisure traveler (maps, Instagram, WhatsApp) burns under 3.2GB/day. Fixed wins: the 20GB plan at $27.49 covers 7 days without overpaying. The remote worker or streamer hits 3.2+GB/day. Unlimited at $4.43/day makes more sense for that profile. For a 7-day trip, the fixed 20GB plan ($27.49) costs less than 7 days unlimited ($28.53) for moderate users.
Which eSIM plan fits a light or heavy data user in Vietnam?
Three personas for Vietnam eSIM sizing. The minimalist traveler (WhatsApp, offline maps, brief Google searches) needs 4GB over 7 days. Buy the 1GB plan at $3.49. The connected explorer (social media, navigation, daily browsing) needs the 5GB plan at $11.09. The road warrior (video calls, streaming, cloud sync) needs 21GB. The 20GB plan at $27.49 is the efficient choice at $1.37/GB.
Does my phone support eSIM for Vietnam?
Three checks before you buy a Vietnam eSIM. Check one: dial *#06# and look for an EID number. No EID means no eSIM support. Check two: confirm your model. iPhones XS+, Samsung Galaxy S20+, and Pixel 3+ are compatible. Check three: confirm carrier-unlock status. Pass all three and your phone connects to Vietnam's 5G network the moment you activate the profile.
When does my Vietnam eSIM start counting down?
Most Vietnam eSIM plans start the validity window at first network connection, not at purchase. Install the QR code at home over WiFi, then activate when you land in Vietnam. The 1GB plan at $3.49 covers short stays; the 20GB plan at $27.49 covers longer trips. Buy 1–3 days before departure so the plan does not expire before your trip starts.
Is Vietnam well-covered by travel eSIM networks in Asia?
For a Asia trip centered on Vietnam, the network picture is straightforward. 2 operators (Vinaphone, Viettel Mobile) deliver 5G service. Travel eSIMs route through the same infrastructure as local SIM cards. Coverage is strongest in urban centers and tourist zones. Pick the 5GB plan at $11.09 ($2.22/GB) for moderate daily use.
Which activities use the most mobile data in Vietnam?
If you stream video during your Vietnam trip, budget 700MB/hour. If you make video calls, budget 450MB/hour. If you stick to navigation and social browsing, 200–300MB/hour covers it. Basic messaging uses 50MB/hour. Most travelers mixing maps and social media need 1–1.5GB/day on Vinaphone's 5G network. The 5GB plan at $11.09 covers 4–7 days of that pattern.
Which Vietnam eSIM plan fits my trip length?
Calculate your Vietnam plan size: trip days × 1.5GB/day = data needed. Match the result to a tier: 2–2 days → 3GB at $7.49 ($2.50/GB); 3–3 days → 5GB at $11.09 ($2.22/GB); 5–6 days → 10GB at $19.31 ($1.93/GB); 8–13 days → 20GB at $27.49 ($1.37/GB). Add 20% for streaming days. The largest tier at $1.37/GB is always the most efficient buy for longer stays.
When does unlimited data save money in Vietnam?
If you stream video or work remotely in Vietnam, unlimited at $4.43/day saves money over fixed plans. If you only use maps and messaging, fixed data costs less. The entry commitment is 1 days at $4.25 total. Booking 30 days upfront cuts the rate to $3.63/day (18% off). Full-speed cap is 2GB before throttling.
What is the best-value Vietnam eSIM plan?
Week-long travelers in Vietnam get the best deal from the 20GB plan: $27.49 at $1.37/GB. Weekend visitors save by sticking to the 1GB plan at $3.49 ($3.49/GB) to avoid paying for GB they will not use. Either way, buy one tier above your estimate. Running out of data mid-trip costs more to fix than buying slightly larger upfront.
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