Vietnam eSIM: plans compared for 2026
Updated September 25, 2026Prices checked September 24, 2026Some links are affiliate links: we earn a commission at no extra cost to you. Learn more
Which eSIM should you get for Vietnam? It depends on how long you're staying and how much data you use. This comparison ranks plans with a public formula, with no made-up reviews.
Data estimator
At a glance
| Network | 5G | Hotspot | CTA | |||||
|---|---|---|---|---|---|---|---|---|
| Airalo | 5 GB | 7 | $10.00 | $2.00 | VNPT | Yes | Not specified | See plan |
| Yesim | 5 GB | 30 | $11.52 | $2.30 | Vinaphone, VietnaMobile, Viettel | Yes | Not specified | See plan |
| Saily | 5 GB | 30 | $10.99 | $2.20 | Not specified | Not specified | Not specified | See plan |
Click a column header to sort.
All checked plans (66)
| Airalo | 1 GB | 3 | $4.00 | $4.00 |
| Airalo | 3 GB | 3 | $7.50 | $2.50 |
| Airalo | 3 GB | 7 | $8.00 | $2.67 |
| Airalo | 5 GB | 7 | $10.00 | $2.00 |
| Airalo | 10 GB | 7 | $17.00 | $1.70 |
| Airalo | 5 GB | 15 | $10.50 | $2.10 |
| Airalo | 10 GB | 15 | $17.50 | $1.75 |
| Airalo | 20 GB | 15 | $28.00 | $1.40 |
| Airalo | 5 GB | 30 | $11.00 | $2.20 |
| Airalo | 10 GB | 30 | $18.00 | $1.80 |
| Airalo | 20 GB | 30 | $29.00 | $1.45 |
| Airalo | 50 GB | 30 | $49.00 | $0.98 |
| Airalo | Unlimited | 3 | $11.50 | — |
| Airalo | Unlimited | 5 | $18.50 | — |
| Airalo | Unlimited | 7 | $27.00 | — |
| Airalo | Unlimited | 10 | $34.50 | — |
| Airalo | Unlimited | 15 | $48.00 | — |
| Airalo | Unlimited | 30 | $69.00 | — |
| Saily | 1 GB | 7 | $3.99 | $3.99 |
| Saily | 3 GB | 30 | $7.99 | $2.66 |
| Saily | 5 GB | 30 | $10.99 | $2.20 |
| Saily | 10 GB | 30 | $17.99 | $1.80 |
| Saily | 20 GB | 30 | $28.99 | $1.45 |
| Saily | Unlimited | 5 | $18.99 | — |
| Saily | Unlimited | 7 | $26.99 | — |
| Saily | Unlimited | 10 | $34.99 | — |
| Saily | Unlimited | 15 | $48.99 | — |
| Saily | Unlimited | 20 | $59.99 | — |
| Saily | Unlimited | 25 | $65.99 | — |
| Saily | Unlimited | 30 | $71.99 | — |
| Yesim | 1 GB | 30 | $3.00 | $3.00 |
| Yesim | 3 GB | 30 | $8.40 | $2.80 |
| Yesim | 5 GB | 30 | $11.52 | $2.30 |
| Yesim | 10 GB | 30 | $19.20 | $1.92 |
| Yesim | 20 GB | 30 | $26.40 | $1.32 |
| Yesim | 30 GB | 30 | $33.60 | $1.12 |
| Yesim | Unlimited | 1 | $4.20 | — |
| Yesim | Unlimited | 2 | $8.40 | — |
| Yesim | Unlimited | 3 | $12.60 | — |
| Yesim | Unlimited | 4 | $16.80 | — |
| Yesim | Unlimited | 5 | $21.00 | — |
| Yesim | Unlimited | 6 | $25.20 | — |
| Yesim | Unlimited | 7 | $29.40 | — |
| Yesim | Unlimited | 8 | $31.57 | — |
| Yesim | Unlimited | 9 | $33.76 | — |
| Yesim | Unlimited | 10 | $35.93 | — |
| Yesim | Unlimited | 11 | $38.10 | — |
| Yesim | Unlimited | 12 | $40.27 | — |
| Yesim | Unlimited | 13 | $42.46 | — |
| Yesim | Unlimited | 14 | $44.63 | — |
| Yesim | Unlimited | 15 | $46.80 | — |
| Yesim | Unlimited | 16 | $48.24 | — |
| Yesim | Unlimited | 17 | $49.68 | — |
| Yesim | Unlimited | 18 | $51.12 | — |
| Yesim | Unlimited | 19 | $52.56 | — |
| Yesim | Unlimited | 20 | $54.00 | — |
| Yesim | Unlimited | 21 | $55.44 | — |
| Yesim | Unlimited | 22 | $56.88 | — |
| Yesim | Unlimited | 23 | $58.32 | — |
| Yesim | Unlimited | 24 | $59.76 | — |
| Yesim | Unlimited | 25 | $61.20 | — |
| Yesim | Unlimited | 26 | $62.64 | — |
| Yesim | Unlimited | 27 | $64.08 | — |
| Yesim | Unlimited | 28 | $65.52 | — |
| Yesim | Unlimited | 29 | $66.96 | — |
| Yesim | Unlimited | 30 | $68.40 | — |
Full ranking
- 1
Airalo
9.5/105 GB · 7 days · $10.00 · VNPT
See plan sourcePros
- Lowest price in the table
- 5G listed
- Unlimited available
- Many durations
Cons
- Hotspot use not specified
- 2
Yesim
8.7/105 GB · 30 days · $11.52 · Vinaphone, VietnaMobile, Viettel
See plan sourcePros
- 5G listed
- Unlimited available
- Many durations
Cons
- Pricier than the cheapest in the table
- Hotspot use not specified
- 3
Saily
7.9/105 GB · 30 days · $10.99
See plan sourcePros
- Unlimited available
- Many durations
Cons
- Pricier than the cheapest in the table
- 5G not listed
- Hotspot use not specified
How the score is calculated
Score out of 10 = 60% price (relative to the cheapest in the table) + 15% network (5G listed, network named) + 10% hotspot use + 15% range of options (unlimited available, number of durations).
Set up your eSIM in 4 steps
- Make sure your phone is eSIM-compatible and unlocked.
- Buy the plan, then scan the QR code you receive (or install through the provider's app), on Wi-Fi.
- When you arrive, turn on the eSIM line for data, and turn on roaming for that line only.
- Keep your main SIM for calls and texts, with data roaming turned off.
Your phone must be eSIM-compatible and unlocked.
Frequently asked questions
What's the cheapest eSIM for Vietnam?
Among the providers we compare, the cheapest plan for a typical trip is from Airalo, at $10.00. Prices are checked on the official websites and dated at the top of the page.
Is my phone eSIM-compatible?
Most iPhones from the XS onward, recent Samsung Galaxy phones and Google Pixels from the Pixel 3 onward are compatible. The phone also has to be unlocked. On iPhone: Settings > General > About, look for the "EID" line.
When should I install my eSIM?
Install it before you leave, on Wi-Fi, but turn on the data line when you arrive. Most plans only start at the first connection to the local network.
Do I keep my regular phone number?
Yes. Your main SIM can stay active for calls and texts; the travel eSIM only handles data. Remember to turn off data roaming on your main line.
Can I top up an eSIM in Vietnam?
Most providers let you add data from their app. Terms vary, so check the plan page before you buy.