Best eSIM for Vietnam (2026): Prices Compared

Scooters on a street in Hanoi's Old Quarter at dusk

Short answer: for most trips to Vietnam, 10 GB for 30 days is enough, and GoSIM sells it for $11.99. Nomad lists the same size at $17, and Holafly only sells unlimited plans, from $11.90 for 3 days.

Oct. 5, 2026

Short answer: 10 GB for 30 days at $11.99 covers most trips to Vietnam. Staying under a week with light use? The 1 GB / 7 days plan is $2.99. Need a lot of data for a month? 20 GB / 30 days is $20.99.

GoSIM Vietnam plans

These are the plans on our Vietnam page as of October 5, 2026. Prices are in USD.

PlanDataValidityTypePrice
Daily 500 MB500 MB per day1 dayDaily allowance, then 512 Kbps$1.99
Daily 1 GB1 GB per day1 dayDaily allowance, then 1 Mbps$2.99
Daily 2 GB2 GB per day1 dayDaily allowance, then 1 Mbps$3.99
Daily 3 GB3 GB per day1 dayDaily allowance, then 1 Mbps$4.99
Daily 5 GB5 GB per day1 dayDaily allowance, then 384 Kbps$5.99
Daily 10 GB10 GB per day1 dayDaily allowance, then 384 Kbps$11.99
500 MB / 7 days500 MB total7 daysTotal, top-up supported$1.99
1 GB / 7 days1 GB total7 daysTotal, top-up supported$2.99
3 GB / 30 days3 GB total30 daysTotal, top-up supported$4.99
5 GB / 30 days5 GB total30 daysTotal, top-up supported$6.99
10 GB / 30 days10 GB total30 daysTotal, top-up supported$11.99
20 GB / 30 days20 GB total30 daysTotal, top-up supported$20.99
50 GB / 180 days50 GB total180 daysTotal, top-up supported$67.99

The daily plans give you a fresh allowance each day and slow down after it is used up; the reduced speed is listed on each plan card. The multi-country plans that include Vietnam are on the Vietnam page too, in case you are also visiting other countries.

Which plan for which trip

TripPlan to look atPrice
Weekend or short stopover, light use1 GB / 7 days$2.99
One week, maps and messaging3 GB / 30 days$4.99
Two weeks, some video and social5 GB / 30 days$6.99
Two to four weeks, normal use10 GB / 30 days$11.99
A month, heavy use20 GB / 30 days$20.99
Several months, or repeat trips50 GB / 180 days$67.99

Not sure? Go one size up. You can top up the fixed plans if you run low.

How the prices compare

We checked these on October 5, 2026. Nomad has the closest match to our 10 GB / 30-day plan. Airalo’s Vietnam page and Holafly show unlimited plans only.

ProviderClosest planPrice (USD)SourceChecked
GoSIM10 GB / 30 days$11.99gosim.chOct 5, 2026
Nomad10 GB / 30 days$17nomadesim.comOct 5, 2026
AiraloUnlimited / 30 days$69airalo.comOct 5, 2026
HolaflyUnlimited / 30 days$73.90holafly.comOct 5, 2026
HolaflyUnlimited / 7 days$27.50holafly.comOct 5, 2026

Unlimited plans can make sense for a few days of heavy use, but for most trips a fixed 10 to 20 GB plan costs much less.

Networks and coverage

GoSIM Vietnam plans list Viettel Mobile, MobiFone and Vinaphone, Vietnam’s three national carriers. Viettel has the widest rural reach, including the northern highlands and the Mekong Delta. Coverage is good in the places most visitors go: Hanoi, Ho Chi Minh City, Da Nang, Hoi An, Hue, Nha Trang, Ha Long Bay, Sapa and Phu Quoc. Airalo’s page lists VNPT (Vinaphone’s parent) for its unlimited plans.

Setup

  1. Pick a plan and check out as a guest. No account needed.
  2. Your QR code arrives by email.
  3. Scan it under Settings, Mobile Data, Add eSIM. You can do this at home.
  4. Land in Vietnam and the eSIM connects to a local network.

Your phone needs to support eSIM and be carrier-unlocked. GoSIM offers a 7-day refund on eSIMs that haven’t been activated. See all current plans on the Vietnam eSIM page.

Going further in Asia? See our South Korea eSIM guide.

Frequently Asked Questions

How much data do I need for Vietnam?
For one to two weeks of maps, messaging and some social media, 5 to 10 GB is usually enough. If you stream video or work online, look at 20 GB. GoSIM Vietnam plans run from 500 MB to 50 GB.
Which network does a GoSIM Vietnam eSIM use?
GoSIM lists Viettel Mobile, MobiFone and Vinaphone for Vietnam. Viettel has the widest coverage in rural areas, and all three cover the main tourist cities.
Does a Vietnam eSIM include a phone number?
No. These are data-only plans. Calls and messages work through apps like WhatsApp, Telegram or FaceTime.