eSIM.DOG · 20GB · 15 days · $0.41/trip day
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VietnamAny lengthNormal · ≈1GB/day Prices checked 15 h agoBest eSIM for Vietnam
Based on current ranked value, eSIM.DOG's 20GB plan at $6.14 is the best buy. We compared 1587 live Vietnam products from 17 providers (1920 individual plans), applied every owned public coupon, then ranked.
✓ Coupons verified 2026-07-28Median Vietnam price $1.25/GB Carrier roaming baseline $10.00/day
Prices last updated 15h ago — we're refreshing them now. Anything you click is re-checked at the provider's checkout.
Showing all plan lengths — tell us your trip length and we'll rank by what your days actually cost.
Yesim · 0.3GB · 1 day
abesteSIM · 3GB/day · 1 day · hotspot OK
1587 products / 17 providers (1920 individual plans)
abesteSIM
Network —
Score pending reviews
50GB
Data
3 days
Validity
Instant QR
Hotspot OK
eSIM.DOG
5G available
Score pending reviews
40GB
Data
1 days
Validity
Instant QR
Hotspot OK
eSIM.DOG
5G available
Score pending reviews
50GB
Data
1 days
Validity
Instant QR
Hotspot OK
eSIM.DOG
5G available
Score pending reviews
10GB
Data
30 days
Validity
Instant QR
Hotspot OK
abesteSIM
Network —
Score pending reviews
50GB
Data
5 days
Validity
Instant QR
Hotspot OK
eSIM.DOG
5G available
Score pending reviews
50GB
Data
3 days
Validity
Instant QR
Hotspot OK
abesteSIM
Network —
Score pending reviews
2GB/day
Data
20 days
Validity
Instant QR
Hotspot OK
ZenSIM
Network —
Score pending reviews
3GB/day
Data
30 days
Validity
Instant QR
Hotspot OK
abesteSIM
Network —
Score pending reviews
2GB/day
Data
15 days
Validity
Instant QR
Hotspot OK
abesteSIM
Network —
Score pending reviews
50GB
Data
7 days
Validity
Instant QR
Hotspot OK
eSIM.DOG
Network —
Score pending reviews
30GB
Data
7 days
Validity
Instant QR
Hotspot OK
eSIM.DOG
5G available
Score pending reviews
50GB
Data
5 days
Validity
Instant QR
Hotspot OK
eSIM.DOG
Network —
Score pending reviews
10GB
Data
30 days
Validity
Instant QR
Hotspot OK
abesteSIM
Network —
Score pending reviews
50GB
Data
15 days
Validity
Instant QR
Hotspot OK
eSIM.DOG
5G available
Score pending reviews
15GB
Data
3 days
Validity
Instant QR
Hotspot OK
abesteSIM
Network —
Score pending reviews
3GB/day
Data
10 days
Validity
Instant QR
Hotspot OK
abesteSIM
Network —
Score pending reviews
30GB
Data
3 days
Validity
Instant QR
Hotspot OK
abesteSIM
Network —
Score pending reviews
30GB
Data
15 days
Validity
Instant QR
Hotspot OK
eSIM.DOG
5G available
Score pending reviews
12GB
Data
1 days
Validity
Instant QR
Hotspot OK
eSIM.DOG
Network —
Score pending reviews
50GB
Data
7 days
Validity
Instant QR
Hotspot OK
eSIM.DOG
5G available
Score pending reviews
10GB
Data
1 days
Validity
Instant QR
Hotspot OK
eSIM.DOG
5G available
Score pending reviews
30GB
Data
3 days
Validity
Instant QR
Hotspot OK
eSIM.DOG
5G available
Score pending reviews
20GB
Data
30 days
Validity
Instant QR
Hotspot OK
eSIM.DOG
5G available
Score pending reviews
50GB
Data
7 days
Validity
Instant QR
Hotspot OK
How much data do you actually need in Vietnam?
Most travellers over-buy. This is measured from typical usage, not provider marketing.
| If your trip is | Data for 15 days | Cheapest fit | Total |
|---|---|---|---|
| Maps, chat, a few photos | 3–5GB | eSIM.DOG · 3GB · 15 days | $1.28 |
| Normal — social, browsing | 8–12GB | eSIM.DOG · 20GB · 15 days | $6.14 |
| Heavy — video calls daily | 20GB+ | eSIM.DOG · 20GB · 1 days | $4.99 |
| Streaming or laptop tether | 3GB/day | abesteSIM · 3GB/day · 1 days | $1.77 |
Before you buy an eSIM for Vietnam
662 products publish a network or speed detail. Expand the full specifications; unknown values stay “—”.
2 current products publish an included phone number. Keep your home SIM available for banking or account SMS.
Install on reliable Wi-Fi within the provider's documented window. Activation may start on installation or first connection, so follow the selected plan's email.
1587 of 1587 products are marked for instant activation without eKYC. Any known ID requirement is badged before checkout.
Good to know in Vietnam
Activate on reliable Wi-Fi before the airport transfer. Some Vietnam plans require ID/eKYC; choose an Instant QR card if you need immediate service, and save maps before long rail or rural road segments.
Compare providers covering Vietnam
Good questions about Vietnam eSIMs
What is the cheapest eSIM for Vietnam?
Plans start at $0.49 and the median price is $1.25/GB. For a 15-day trip, the cheapest works out to about $0.03 per travel day. Prices re-checked 15 h ago.
When should I install an eSIM for Vietnam?
Install on reliable Wi-Fi within the provider's documented window. Some plans start validity at installation and others at first connection, so follow the selected plan's email rather than assuming.
Are unlimited eSIM plans available for Vietnam?
Yes. 124 current plans are listed as unlimited. Read each network note for a daily high-speed allowance or throttle rule; “unlimited” is not automatically full speed all day.
Are coupon prices included in the Vietnam ranking?
Yes. 14 current plans have a display-allowed coupon, and RoamSonar ranks their verified effective price. Read whether the code is automatic or entered at checkout.