Google Fi roaming in Vietnam: what it costs, and when an eSIM is cheaper
Data in Vietnam is included with Unlimited Premium. Otherwise, it costs $10.00/GB (Unlimited Premium). An eSIM for 7 days and 6 GB costs from $10.90 (Ubigi).
The best eSIMs in Vietnam for a week
For 7 days and 6 GB
- 1Best unlimited
GigSky
Unlimited · 7 days
$24.49$3.50 per day- 3.5 GB a day at full speed, then 500 kbps
- Networks: MobiFone, Viettel, and VinaPhone
- Hotspot allowed
- 2Cheapest
Ubigi
10 GB · 7 days
$10.90$1.09 per GB- Lowest total price for 7 days
- Network: VinaPhone
- Hotspot allowed
- 3Best price per GB
Orange Travel
20 GB · 14 days
€14.99€0.75 per GB- Lowest price per GB for this trip
- Networks: Gmobile, MobiFone, Vietnamobile, VinaPhone, and Viettel
- Hotspot allowed
Three steps, three questions: the best unlimited plan, the cheapest and the best price per GB, from three different providers. How we pick the podium · Affiliate links
Google Fi or an eSIM in Vietnam: our verdict
Depending on your plan and trip length, at the prices read on October 21, 2026.
If your plan includes Vietnam
Keep Google Fi
With Unlimited Premium, data in Vietnam is included at no extra cost, within your allowance abroad.
Otherwise, with Google Fi
$10.00/GB
Unlimited Premium. For 7 days and 6 GB, expect $60.00.
With an eSIM, 7 days and 6 GB
$10.90
Today’s lowest price, from Ubigi. That’s $49.10 less than Google Fi’s rate.
See the planAffiliate links
Data in Vietnam with Google Fi: our analysis
What Google Fi’s rate sheet and eSIM prices show, as checked on October 21, 2026.
The right pass for your trip length
- 3 days3 × Unlimited Premium$30.00
- 1 week6 × Unlimited Premium$60.00
- 2 weeks12 × Unlimited Premium$120.00
- 1 month24 × Unlimited Premium$240.00
Against the cheapest eSIM
The cheapest eSIM costs less on the trip lengths we can compare.
- 1 weekeSIM$10.90Google Fi$60.00
- 2 weekseSIM$12.99Google Fi$120.00
- 1 montheSIM$24.99Google Fi$240.00
eSIMs in Vietnam at a glance
- In Vietnam, we compare plans from 7 eSIM providers: GigSky, GoMoWorld, Jetpac, Nomad, Orange Travel, Ubigi, and Yesim.
- The cheapest unlimited plan for a week is from GigSky: $24.49 (Unlimited · 7 days).
- Locally, the cheapest prepaid SIM card for a week costs VND 150,000 (MobiFone, 50 GB, 10 days); see our SIM card comparison in Vietnam.
Google Fi applies the same rate in 21 other destinations we track, including Australia, China, Egypt, France, and Greece.
Plan by plan
What applies in Vietnam depending on your Google Fi plan.
What Google Fi’s official rate sheet sets out in Vietnam, offer by offer. “Included” means at no extra cost, within your allowance abroad: your Google Fi account shows the one on your line.
| Plan or offer | Data in Vietnam | Good to know |
|---|---|---|
| Unlimited Premium: data included (up to 50GB per person at high speed, then 256 Kbps); Flexible: USD 10/GB (up to 15GB per person at high speed) | $10.00/GB | Destination is on the Fi international coverage list. Unlimited Standard and Unlimited Essentials: not available outside Canada and Mexico. Calls USD 0.20/min; texts free. |
| Unlimited Premium | Included | Included: up to 50GB per person at high speed, then 256 Kbps |
| Flexible | $10.00/GB | Data billed per GB (up to 15GB per person at high speed, then 256 Kbps) |
What your trip costs
With the Google Fi roaming rate, against today’s cheapest eSIM, for everyday use.
| Trip | With Google Fi | Cheapest eSIM | The offer |
|---|---|---|---|
| 3 days · 3 GB | $30.00 3 × Unlimited Premium | €2.49 Orange Travel | See the plan |
| 7 days · 6 GB | $60.00 6 × Unlimited Premium | $10.90 Ubigi | See the plan |
| 14 days · 12 GB | $120.00 12 × Unlimited Premium | $12.99 GoMoWorld | See the plan |
| 30 days · 24 GB | $240.00 24 × Unlimited Premium | $24.99 GoMoWorld | See the plan |
Affiliate links
Vietnam with other US carriers
The same trip with the other US carriers we track, from their official rate sheets.
All 4 US carriers we track include Vietnam in at least one plan: AT&T, Google Fi, T-Mobile, and Verizon.
AT&T
T-Mobile
VerizonTurn off Google Fi roaming and use an eSIM
Four settings, before you leave or on the plane.
- 1
Install the eSIM at home
Buy it and scan its QR code before you leave: with most providers, the plan only starts when you first connect at your destination.
- 2
Keep Google Fi for calls
In your settings, keep your Google Fi line for calls and texts, and pick the eSIM for mobile data.
- 3
Turn off Google Fi roaming
On iPhone: Settings › Cellular › your Google Fi line › Data Roaming. On Android: Settings › Mobile networks › Roaming.
- 4
Keep eSIM roaming on
A travel eSIM uses the local networks: its data roaming must stay on.
Google Fi roaming in Vietnam: your questions
Answered from the Google Fi price guide and today’s prices.
Is data in Vietnam included in my Google Fi plan?
Yes, with Unlimited Premium. Otherwise, it costs $10.00/GB (Unlimited Premium).
How much does data cost in Vietnam with Google Fi?
$10.00/GB (Unlimited Premium), so $60.00 for 7 days and 6 GB. An eSIM covering the same week costs from $10.90 (Ubigi), checked on October 21, 2026.
Which Google Fi pass should I get for Vietnam?
The best Google Fi option depends on how long you stay: for 3 days, 3 × Unlimited Premium ($30.00); for a week, 6 × Unlimited Premium ($60.00); for two weeks, 12 × Unlimited Premium ($120.00); for a month, 24 × Unlimited Premium ($240.00).
Google Fi or an eSIM in Vietnam: which is cheaper?
Against today’s cheapest eSIM, Google Fi costs more: for a week, $10.90 for the eSIM against $60.00 with Google Fi; for a month, $24.99 for the eSIM against $240.00 with Google Fi.
Which US carriers include Vietnam?
All 4 US carriers we track include Vietnam in at least one plan: AT&T, Google Fi, T-Mobile, and Verizon.
Which network does an eSIM use in Vietnam?
The cheapest one-week eSIM (Ubigi) uses VinaPhone. Depending on the plan, the 7 providers we compare in Vietnam list MobiFone, Viettel, VinaPhone, Vietnamobile, and Gmobile.
How do I avoid roaming charges in Vietnam?
Use a travel eSIM for data and turn off data roaming on your Google Fi line. You keep your number for calls and texts.
Can I keep my Google Fi number with an eSIM?
Yes, on an eSIM-compatible phone: your Google Fi line stays on for calls and texts while the eSIM carries the data.
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