Cheapest eSIM for Vietnam in 2026
Price Summary:
HelloRoam offers the cheapest Vietnam eSIM at $1.37/GB (20GB, 30 days, $27.49 total). Next cheapest: HelloRoam at $1.57/GB. Airport SIM kiosks charge $5-15 for 6-20GB / 15-30 days. 6 providers compared. Prices verified May 2026.
Every plan, cheapest first
| # | Provider | $/GB ↑ | Plan | Total | Network | Days | 30d | Action |
|---|---|---|---|---|---|---|---|---|
| 🥇 |  HelloRoamCheapest | $1.37 | 20GB | $27.49 | Viettel Mobile | 30d | → | Get HelloRoam plan → |
| 🥈 | HelloRoam | $1.57 | 50GB | $78.63 | Vinaphone | 30d | → | Get HelloRoam plan → |
| 🥉 | HelloRoam | $1.93 | 10GB | $19.31 | Viettel Mobile | 30d | → | Get HelloRoam plan → |
| 4 | HelloRoam | $2.22 | 5GB | $11.09 | Viettel Mobile | 30d | → | Get HelloRoam plan → |
| 5 | HelloRoam | $2.50 | 3GB | $7.49 | Viettel Mobile | 30d | → | Get HelloRoam plan → |
| 6 | HelloRoam | $3.49 | 1GB | $3.49 | Viettel Mobile | 7d | → | Get HelloRoam plan → |
Prices verified May 28, 2026. Updated weekly from provider websites.
Pick by how much data you need
Unlimited daily data price breakdown
The cheapest unlimited daily data plan for Vietnam. Longer trips get automatic volume discounts. The table below shows what you pay at each duration.
| Duration | Per day | Total | Discount |
|---|---|---|---|
30 days | $3.63/day | $108.98 | 18% off |
2 weeks | $3.94/day | $55.20 | 11% off |
3 days | $4.08/day | $12.23 | 8% off |
7 days | $4.08/day | $28.53 | 8% off |
1 dayBest Value | $4.25/day | $4.25 | 4% off |
Vietnam eSIM market rates
Vietnam has 6 eSIM plans from 1 provider, ranging from $1.37/GB to $3.49/GB. Median per-GB across all 6 plans is $2.07/GB. The per-GB spread is $2.12, meaning the priciest plan costs 154% more per gigabyte than the cheapest.
Who sells eSIMs for Vietnam
HelloRoam leads Vietnam with 6 plans, starting at $27.49 ($1.37/GB, 20GB, 30 days). HelloRoam plans support top-up and tethering. Across all providers, hotspot tethering and top-up support are available — check individual plans for eligibility.
The airport markup
Airport SIM kiosks at Vietnam charge $5-15 for 6-20GB / 15-30 days for tourist data plans. Viettel and Vinaphone and Mobifone operate the airport kiosks. Local prepaid SIMs are available for $3-8 for 4-10GB / 30 days — requiring a physical store visit and, in some cases, passport registration. An eSIM from $27.49 activates before you land and skips the queue.
Daily cost compared
Vietnam eSIM pricing signals
Vietnam eSIM prices are stable. 6 of 6 plans show no price change in recent weeks. The current cheapest plan is HelloRoam at $1.37/GB ($27.49 for 20GB, 30 days).
Best plan for each trip length
Use-case picks for Vietnam based on plan data: Weekend (2-3 days): HelloRoam 3GB at $7.49 (3GB, 30 days). Week trip (7 days): HelloRoam 5GB at $11.09 (5GB, 30 days). Two-week vacation: HelloRoam 10GB at $19.31 (10GB, 30 days). Digital nomad (30 days): HelloRoam 20GB at $27.49 (20GB, 30 days).
HelloRoam's 20GB is the best value for Vietnam
HelloRoam's 20GB plan at $27.49 delivers the strongest price-to-data ratio for Vietnam. At $1.37/GB for 20GB over 30 days, the daily cost is $0.92. HelloRoam's plan includes tethering included and top-up available at no extra cost. This plan connects through Viettel Mobile in Vietnam. 1 provider compete for Vietnam across 6 plans. The per-GB spread from cheapest to most expensive is $1.37 to $3.49.
- Best value: HelloRoam at $1.37/GB
- Total price: $27.49 for 20GB
- Daily cost: $0.92
- Validity: 30 days
- Providers tracked: 1
- Plans tracked: 6
Vietnam eSIM pricing by data tier
Vietnam eSIM pricing varies significantly by data tier. The right plan depends on trip length and daily usage intensity. 1GB: HelloRoam leads at $3.49 ($3.49/GB, 1GB, 7 days). This tier suits maps, messaging, and basic browsing for 2-3 days. Top-up is available if you underestimate your needs. 3GB: HelloRoam leads at $7.49 ($2.50/GB, 3GB, 30 days). This tier suits maps, social media, and messaging for a 5-7 day trip. Top-up is available if you underestimate your needs. 5GB: HelloRoam leads at $11.09 ($2.22/GB, 5GB, 30 days). This tier suits active social media use and photo uploads for a week. 10GB: HelloRoam leads at $19.31 ($1.93/GB, 10GB, 30 days). This tier suits streaming, video calls, and heavy browsing for 7-14 days. 20GB: HelloRoam leads at $27.49 ($1.37/GB, 20GB, 30 days). This tier suits digital nomad work, daily streaming, and tethering for 2-4 weeks. Per-GB rates drop with plan size: $3.49/GB at 1GB vs $1.93/GB at 10GB. Buying larger saves 45% per gigabyte.
Provider strengths for Vietnam
1 provider compete for Vietnam with 6 total plans. Each has distinct strengths. HelloRoam: 6 plans, from $27.49 ($1.37/GB). Largest plan: 50GB. Strengths: cheapest per-GB at $1.37/GB, tethering on all plans, top-up support, 6 plan options, plans up to 30 days. HelloRoam wins the price race for Vietnam at $1.37/GB. For travelers who prioritize price above all else, HelloRoam is the data-driven choice. For those who value specific features (plan variety, longer validity, or unique app features), comparing across all 1 providers is worthwhile.
Vietnam in the global eSIM market
Vietnam is a Tier 3 eSIM destination: limited provider coverage with constrained plan options. 6 plans from 1 provider are tracked, starting at $1.37/GB. Tier 3 markets have fewer plans, less provider competition, and higher per-GB rates. If only 1-2 providers cover this destination, pricing is less competitive. The available options may still offer strong value compared to local SIM or roaming costs. Only one provider covers Vietnam. Without competition, prices are set by that provider's wholesale costs and margins. Monitor this page for new providers entering the market. Vietnam mobile data prices are among the lowest globally — local prepaid costs 80% less than airport eSIM purchases.
Top 5 plans by value score
| Rank | Provider | Plan | Score | $/GB |
|---|---|---|---|---|
| #1 | HelloRoam | 20GB | 95/100 | $1.37 |
| #2 | HelloRoam | 50GB | 89/100 | $1.57 |
| #3 | HelloRoam | 10GB | 79/100 | $1.93 |
| #4 | HelloRoam | 5GB | 71/100 | $2.22 |
| #5 | HelloRoam | 3GB | 58/100 | $2.50 |
Best Vietnam eSIM by travel style
HelloRoam's 3GB plan at $7.49 (3GB, 30 days) is the optimal pick for backpacker travelers in Vietnam. Daily cost: $0.25. Tethering is included for multi-device use. Top-up support adds flexibility if data runs low.
- -Download offline maps before departure to save 200-500MB
- -Use hostel WiFi for large downloads and video calls
- -Disable auto-play video in social media apps
- -Vietnam has good WiFi — use it to extend your data plan
HelloRoam's 5GB plan at $11.09 (5GB, 30 days) is the optimal pick for resort/leisure travelers in Vietnam. Daily cost: $0.37. Tethering is included for multi-device use. Top-up support adds flexibility if data runs low.
- -Resort WiFi handles heavy streaming and video calls
- -Mobile data is mainly for excursions and transit
- -A mid-size plan covers day trips away from the resort
- -Vietnam has good WiFi — use it to extend your data plan
HelloRoam's 10GB plan at $19.31 (10GB, 30 days) is the optimal pick for business travelers in Vietnam. Daily cost: $0.64. Tethering is included for multi-device use. Top-up support adds flexibility if data runs low.
- -Tethering is required for laptop and tablet connectivity
- -Video conferences use 300MB-1.5GB/hour depending on quality
- -Choose a plan with top-up support as a safety net
- -Vietnam has good WiFi — use it to extend your data plan
Data usage guide for Vietnam
Travelers in Vietnam typically use 1.2GB of mobile data per day. WiFi availability is good — WiFi is available in most tourist areas. Free WiFi common in cafes and hotels in tourist areas; Vietnam is a major digital nomad hub Peak travel season runs Oct-Apr. Dry season varies by region; north is best October-April, south November-April For a 7-day trip, expect to need roughly 9GB. The 10GB plan from HelloRoam ($19.31, 10GB) covers that usage.
Vietnam mobile networks
Vietnam's primary carriers are Viettel and Vinaphone and Mobifone. 5G coverage is urban-only. Median download speed is 52 Mbps. VPN usage is restricted in Vietnam — check local regulations before using a VPN. Grab is essential for ride-hailing; works with international phone numbers. Zalo is Vietnam's dominant messaging app — locals prefer it over WhatsApp. Emergency number: 113/115.
Where to buy Vietnam eSIM
What Is an eSIM for Vietnam?
An eSIM for Vietnam is a prepaid digital SIM card with no physical component. The cheapest Vietnam eSIM costs $1.37/GB — up to 80% less than airport SIM counters. You purchase online, scan a QR code, and connect to local 4G/5G networks in under 2 minutes.
Vietnam eSIM pricing — quick answers
How much does an eSIM cost for Vietnam?
eSIM plans for Vietnam range from $1.37/GB to $3.49/GB across 1 providers. The cheapest option is HelloRoam at $27.49 for 20GB over 30 days. Median rate across all 6 plans: $2.07/GB. Prices verified June 2026.
How much is 1GB of eSIM data for Vietnam?
A 1GB+ eSIM plan for Vietnam starts at $27.49 from HelloRoam (20GB, 30 days, $1.37/GB). 1 provider offer plans at this data tier. Verified June 2026.
How much is 3GB of eSIM data for Vietnam?
A 3GB+ eSIM plan for Vietnam starts at $27.49 from HelloRoam (20GB, 30 days, $1.37/GB). 1 provider offer plans at this data tier. Verified June 2026.
How much is 5GB of eSIM data for Vietnam?
A 5GB+ eSIM plan for Vietnam starts at $27.49 from HelloRoam (20GB, 30 days, $1.37/GB). 1 provider offer plans at this data tier. Verified June 2026.
How much is 10GB of eSIM data for Vietnam?
A 10GB+ eSIM plan for Vietnam starts at $27.49 from HelloRoam (20GB, 30 days, $1.37/GB). 1 provider offer plans at this data tier. Verified June 2026.
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