Cheapest eSIM for Vietnam in 2026

Name: Cheapest eSIM for Vietnam
Brand: HelloRoam

$1.37/GB

HelloRoam · 20GB · 30 days · Viettel Mobile

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.

6 plans · sorted by $/GB ascending

Every plan, cheapest first

Prices in USD · verified weekly

eSIM plan prices for Vietnam, verified May 2026
#	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.

Plan tiers

Pick by how much data you need

Budget

$3.49/GB

1GB · 7 days · $3.49

Cheapest entry point for a few days

Get 1GB →

Best Value

Best $/GB

$1.37/GB

20GB · 30 days · $27.49

Lowest per-GB rate available

Get 20GB →

Heavy use

$1.57/GB

50GB · 30 days · $78.63

Most data for streaming and tethering

Get 50GB →

Unlimited data

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.

Unlimited eSIM pricing for Vietnam, verified May 2026
Duration	Per day	Total	Discount
1 day	$4.25/day	$4.25	4% off
3 days	$4.08/day	$12.23	8% off
7 days	$4.08/day	$28.53	8% off
2 weeks	$3.94/day	$55.20	11% off
30 daysBest Value	$3.63/day	$108.98	18% off

$4.25/day for 1 day vs $3.63/day for 30 days— save 18%

Price intelligence

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.

Provider breakdown

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.

vs. Airport SIM

The airport markup

Airport SIM kiosk

$5-15 for 6-20GB / 15-30 days

Viettel, Vinaphone, Mobifone · 5-8GB · physical SIM · 30 days · queue at counter

PrepaidSIM cheapest

$27.49

20GB · eSIM · 30 days · activate before takeoff

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.

vs. Pocket WiFi

Daily cost compared

Pocket WiFi rental

$8-12/day

Pick-up + return required · device to carry · battery to charge

eSIM daily cost

$0.92/day

20GB / 30 days at $27.49 — no device, no return

Savings · 7 days$64-$78

Price trends

Vietnam eSIM pricing signals

Plan trend summary

0trending down

6stable

0trending up

6 plans tracked · checked weekly

Current cheapest

$1.37/GB

HelloRoam · 20GB/30d for $27.49

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).

Value picks

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).

Data guide

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.

Connectivity

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.

Compare providers

Where to buy Vietnam eSIM

HelloRoam

185 countries · from $1.34/GBCheapest eSIM for most countries. 185 destinations, instant activation.Get HelloRoam eSIM →

What is an 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.

FAQ

Vietnam eSIM — frequently asked

What is the cheapest eSIM for Vietnam?

HelloRoam offers the cheapest Vietnam eSIM at $1.37/GB. The 20GB plan costs $27.49 for 20GB over 30 days, verified May 2026. 6 providers are tracked and re-ranked weekly. HelloRoam is next at $1.57/GB, 14% more expensive per gigabyte.

How much does an eSIM cost for Vietnam?

Vietnam eSIM plans start at $27.49 for 20GB over 30 days — that works out to $1.37/GB from HelloRoam. HelloRoam charges $1.57/GB for a comparable plan, a 14% premium. Airport SIM kiosks typically charge $5-15 for 6-20GB / 15-30 days for similar data, making an eSIM significantly cheaper. Prices verified May 2026.

Which eSIM has the lowest price per GB for Vietnam?

HelloRoam holds the lowest per-GB rate for Vietnam at $1.37/GB on the 20GB plan ($27.49 total, 20GB, 30 days). HelloRoam sits 14% higher at $1.57/GB. Rankings across all 6 plans are rechecked weekly and sorted cheapest-first. Verified May 2026.

Are there eSIM plans under $5 for Vietnam?

Yes — HelloRoam lists a Vietnam plan at $3.49 (1GB, 7 days), which works out to $3.49/GB. That makes it one of the lowest-priced options tracked across all 6 plans. Available via the full plan table above. Verified May 2026.

How do eSIM prices compare for Vietnam?

HelloRoam ranks #1 for Vietnam at $1.37/GB on the 20GB plan. HelloRoam ranks #2 at $1.57/GB, a 14% difference. 6 plans from multiple providers are tracked and normalized to USD weekly. The full ranked table above shows every plan sorted by cost-per-gigabyte, verified May 2026.

Does eSIM price include taxes for Vietnam?

Prices shown for Vietnam eSIM plans are what providers display at checkout time. Some providers — including HelloRoam — bundle local taxes or VAT into the listed price, while others add them as a separate line item at checkout. The cheapest tracked plan is $27.49 from HelloRoam before any additional taxes. Always review the provider's checkout page for the final amount before purchasing. Verified May 2026.

What is the best value eSIM plan for Vietnam?

HelloRoam offers the best value Vietnam eSIM at $1.37/GB — the lowest cost-per-gigabyte across all 6 plans tracked. The 20GB plan gives 20GB over 30 days for $27.49 total, verified May 2026. Rankings are based purely on price data with no editorial weighting. Local carriers include Viettel and Vinaphone.

Is it eSIM, e-SIM, or e SIM?

eSIM, e-SIM, and e SIM all refer to the same technology — an embedded SIM built into your phone. The official industry term is eSIM (embedded SIM), standardized by the GSMA. Whether you search for e-SIM or e SIM, you will find the same digital SIM card technology. No physical card needed.