Deal-hunter's guide
2026 eSIM for Cheapest eSIM for Vietnam: Every Provider Compared by Price
Lowest-price eSIM plans for Vietnam sorted by per-GB cost for backpackers and budget travelers. Five providers compared head-to-head on price, deals, and total value. Every price verified and ranked cheapest first.
Ranked by value
Cheapest eSIM for Vietnam: Provider price comparison
Sorted by overall score. Deal column shows current promotions and savings opportunities.
| # | Provider | Score | Price | Countries | Category Win | Deal |
|---|---|---|---|---|---|---|
| 1Top | Nomad | 8.7/10 | $0.74/GB | 200+ | Price Leader | 30-day refund if plan is unused |
| 2 | HelloRoam | 8.6/10 | from $3.50/GB | 186+ | Best for Non-USD Buyers | 31-currency checkout saves 2-4% on conversion |
| 3 | Saily | 8.4/10 | $2.99/GB | 200+ | VPN Included Free | NordVPN bundle value included free |
| 4 | Airalo | 8.3/10 | $4.50/GB | 200+ | Best Regional Bundles | Regional bundles often cheaper than single-country |
| 5 | Holafly | 8/10 | $3.90/day | 160+ | Best Daily Rate | Unlimited means no surprise overage charges |
Scores based on verified pricing, coverage, app quality, and support across all tracked destinations. We earn commissions from qualifying purchases through our affiliate links.
Provider profiles
Each provider for cheapest esim for vietnam
Cost per GB, deal highlights, and budget tips for each option.
Nomad — Price Leader
Price
$0.74/GB
Countries
200+
Rating
4.35/5
Nomad hits $0.74/GB on its cheapest routes, the lowest base price any provider offers in this comparison. Flash sales knock another 10-20% off select destinations monthly, and the 30-day refund window lets you lock in a rate risk-free.
Current deal: 30-day refund if plan is unused
Pros
- From $0.74/GB, lowest base price tracked here
- Thailand 5 GB at $6.99, Vietnam 3 GB at $7.49
- Monthly flash sales up to 20% off select routes
- Full refund within 30 days if unused
Cons
- Unlimited plan caps at 2 GB/day full speed, then 1 Mbps
- Support by email only, 1-2 day reply
- 200 countries listed but thin plan selection outside SE Asia
Budget tip: Time your purchase around monthly flash sales for an extra 10-20% savings.
BasePrice
4.9
DealFrequency
4.1
BundleValue
3.9
RenewalCost
4.1
HelloRoam — Best for Non-USD Buyers
Price
from $3.50/GB
Countries
186+
Rating
4.3/5
HelloRoam covers 186 countries with fixed plans from $3.50/GB and unlimited options starting at $1.33/day on longer durations. The 31-currency checkout at local exchange rates removes conversion fees worth 2-4% per purchase, a saving no other provider in this comparison offers.
Current deal: 31-currency checkout saves 2-4% on conversion
Pros
- 186 countries with both fixed and unlimited plans
- From $3.50/GB on popular routes
- 31-currency checkout removes conversion fees
- Real-time data usage tracking in-app
Cons
- Newer provider, smaller review footprint
- No regional multi-country bundles yet
- Support via email and in-app chat, no phone line
Budget tip: Check both fixed and unlimited options. The crossover point varies by destination.
BasePrice
4.6
DealFrequency
4.2
BundleValue
4.2
RenewalCost
4.0
Saily — VPN Included Free
Price
$2.99/GB
Countries
200+
Rating
4.2/5
Saily starts at $2.99/GB on select routes and bundles a Nord Security VPN into every plan at no extra charge. That combination delivers the lowest total cost for travelers who need both data and encrypted browsing in 200+ destinations.
Current deal: NordVPN bundle value included free
Pros
- From $2.99/GB, lowest price with VPN included
- Nord Security VPN on every plan, no extra fee
- Covers 200+ countries and territories
- 5G ready on supported networks
Cons
- Fixed data only, no daily unlimited
- Email support only, 12-24 hour response
- Newer provider, launched 2023
Budget tip: Use the VPN on hotel WiFi instead of buying extra mobile data for streaming.
BasePrice
4.4
DealFrequency
4.0
BundleValue
4.2
RenewalCost
4.1
Airalo — Best Regional Bundles
Price
$4.50/GB
Countries
200+
Rating
4.15/5
Airalo is not the cheapest option per GB, but regional bundles covering up to 130 destinations turn the math around on multi-stop trips. Airmoney cashback returns 5-10% on every purchase, and the bundle price often beats buying separate country plans elsewhere.
Current deal: Regional bundles often cheaper than single-country
Pros
- Regional bundles: 16-130 countries on one eSIM
- 200+ countries, widest destination list
- 5-10% Airmoney cashback on repeat purchases
- Unlimited plans available in select markets since Q3 2024
Cons
- From $4.50/GB on single-country plans, pricier than rivals
- Unlimited plans limited to select countries
- Email replies in 4-6 hours, no chat
Budget tip: Use regional bundles for 3+ country trips. The per-destination cost drops sharply.
BasePrice
4.0
DealFrequency
4.3
BundleValue
4.5
RenewalCost
3.9
Holafly — Best Daily Rate
Price
$3.90/day
Countries
160+
Rating
4/5
Holafly charges by the day instead of the gigabyte. From $3.90/day you get unlimited data across 160+ destinations. Heavy users burning more than 3-4 GB daily pay less here than on any metered plan. Note: hotspot is capped at 1 GB/day.
Current deal: Unlimited means no surprise overage charges
Pros
- Unlimited data from $3.90/day across 160+ countries
- 6-month refund on unused plans
- 24/7 live chat support, under 15 minutes response
- Cheapest option for 5+ GB daily usage
Cons
- Hotspot capped at 1 GB/day
- Speeds throttle after daily fair-use threshold
- No fixed-data plans; light users overpay
Budget tip: Buy longer durations. A 15-day plan costs less per day than a 7-day plan.
BasePrice
3.6
DealFrequency
3.9
BundleValue
4.5
RenewalCost
4.3
How we scored these providers
Each provider is scored across five categories: Coverage (destination count and carrier quality), Speed (tested download rates at major airports and city centers), App (features, ratings, and ease of use), Pricing (per-GB rate, bundle value, and total trip cost), and Support (response time, channels, and refund policies). The final score out of 10 weights pricing and coverage highest, matching the deal-hunting focus of this guide.
| Category | What we measure | Weight |
|---|---|---|
| Pricing | Per-GB rate, bundle discounts, cashback, promo codes | 30% |
| Coverage | Country count, carrier tier, regional bundles | 25% |
| Speed | Tested download/upload speeds, 5G availability | 20% |
| App | Store ratings, features, data tracking, checkout | 15% |
| Support | Response time, channels, refund window | 10% |
Daily cost breakdown: fixed vs unlimited
The cheapest option depends on how much data you use each day. Below is the break-even math. Under 2 GB/day, fixed plans win. Over 4 GB/day, unlimited plans cost less. Between 2-4 GB/day, the answer depends on your specific destination and trip length.
| Daily usage | Fixed plan cost/day | Unlimited cost/day | Cheapest option |
|---|---|---|---|
| 500 MB | $0.37-1.50 | $3.90 | Fixed (Nomad/HelloRoam) |
| 1 GB | $0.74-3.50 | $3.90 | Fixed (Nomad) |
| 2 GB | $1.48-7.00 | $3.90 | Depends on route |
| 3 GB | $2.22-10.50 | $3.90 | Unlimited (Holafly) |
| 5 GB | $3.70-17.50 | $3.90 | Unlimited (Holafly) |
| 10+ GB | $7.40-35.00 | $3.90 | Unlimited (Holafly) |
Fixed plan cost range reflects cheapest (Nomad $0.74/GB) to mid-tier (HelloRoam from $3.50/GB) rates. Unlimited rate based on Holafly starting price of $3.90/day.
Money-saving tips for cheapest esim for vietnam
- 1
Download offline maps before your trip. Google Maps and Apple Maps both support offline regions. This cuts mobile data use by 200-400 MB per week for cheapest esim for vietnam.
- 2
Disable automatic app updates, iCloud photo sync, and background app refresh before activating your eSIM. These features can burn 500 MB in the first hour.
- 3
Buy your eSIM 1-2 weeks before travel. Prices rarely change last-minute, but you gain time to troubleshoot activation issues at home on WiFi.
- 4
Compare the per-GB rate across all five providers for your specific destination. Price rankings shift by country and plan size.
- 5
Check if your destination has strong public WiFi. Nordic and East Asian cities offer free WiFi at transit stations, reducing your mobile data needs by 30-50%.
Use our data usage calculator to estimate your actual needs before buying.
Score breakdown
Sub-scores by category
Each provider's strengths and weaknesses across five evaluation criteria.
Nomad
8.7/10HelloRoam
8.6/10Saily
8.4/10Airalo
8.3/10Holafly
8/10Current deals and promotions
eSIM providers rotate promotions monthly. Here are the active savings opportunities across all five providers as of June 2026.
Nomad
30-day refund if plan is unused
HelloRoam
31-currency checkout saves 2-4% on conversion
Saily
NordVPN bundle value included free
Airalo
Regional bundles often cheaper than single-country
Holafly
Unlimited means no surprise overage charges
See all active codes on our promo codes page.
Quick decision: which provider fits your budget?
"I want the absolute lowest price per GB"
Nomad. Starts at $0.74/GB on cheapest routes. Best for single-country trips in SE Asia and parts of Europe.
"I need unlimited data and hate tracking usage"
Holafly. Flat daily rate from $3.90/day. No data cap anxiety. Best when daily usage exceeds 3-4 GB.
"My trip crosses 3+ countries"
Airalo. Regional bundles cover 16-130 countries on one eSIM. Eliminates per-border reinstalls.
"I want VPN protection included in the price"
Saily. Nord Security VPN bundled free. Saves $5/month vs buying VPN separately. From $2.99/GB.
"I pay in a non-USD currency"
HelloRoam. 31-currency checkout at local rates. Saves 2-4% on bank conversion fees. 186 countries covered.
eSIM vs carrier roaming: the savings math
Carrier international roaming charges $10-15 per day. Here is how eSIM costs compare across different trip lengths.
3-day trip
$30 roaming
$2-12 eSIM
Save 60-93%
7-day trip
$70 roaming
$5-27 eSIM
Save 61-93%
14-day trip
$140 roaming
$8-55 eSIM
Save 61-94%
Cheapest eSIM for Vietnam FAQ
Frequently asked questions
What is the cheapest eSIM for cheapest esim for vietnam in 2026?
Nomad starts at $0.74/GB on its cheapest routes, making it the lowest per-GB option. For unlimited daily data, Holafly begins at $3.90/day. HelloRoam offers a middle ground from $3.50/GB across 186 countries. The cheapest choice depends on your daily data consumption and trip length.
How do I pick the best eSIM deal for cheapest esim for vietnam?
Start with your daily data estimate. Under 2 GB/day, a fixed-data plan from Nomad or HelloRoam costs least. Over 4 GB/day, Holafly's unlimited daily rate wins. For multi-country trips, compare Airalo's regional bundles against individual country plans. Factor in promo codes and cashback programs for the final price.
Are there active promo codes for eSIM plans for cheapest esim for vietnam?
Nomad runs monthly flash sales with up to 20% off select routes. Saily offers seasonal promotions around 10% off. Airalo provides 5-10% Airmoney cashback on every purchase. HelloRoam's 31-currency checkout saves 2-4% by avoiding conversion fees. Check each provider's app and site for current deals before buying.
Is an eSIM cheaper than carrier roaming for cheapest esim for vietnam?
Yes. Carrier international roaming costs $10-15 per day. A 5GB eSIM plan from Nomad costs $6-10 total for an entire trip. A 7-day Holafly unlimited plan runs $16-27 total. Even the most expensive eSIM option costs less than 3 days of carrier roaming fees.
Which eSIM provider has the best coverage for cheapest esim for vietnam?
Airalo covers 200+ countries, the widest available. HelloRoam covers 186 countries with both fixed and unlimited plans. Holafly reaches 160+ destinations with unlimited daily data. Nomad lists 200 countries but plan availability thins outside popular routes. Check destination-specific coverage before buying.
Can I use hotspot with eSIM plans for cheapest esim for vietnam?
Airalo, Nomad, HelloRoam, and Saily allow hotspot tethering on most plans. Holafly caps hotspot at 1 GB per day regardless of your unlimited data allowance. If you need to share data with a laptop or tablet, check the provider's hotspot policy for your specific destination before purchasing.
How much data do I need for cheapest esim for vietnam?
Light use (maps, messaging, email) runs 500 MB to 1 GB per day. Moderate use adds social media and web browsing at 1-2 GB per day. Heavy use with video calls, streaming, and cloud backup hits 3-5 GB per day. Multiply your daily estimate by trip length, then add a 20% buffer.
Should I buy a fixed or unlimited eSIM for cheapest esim for vietnam?
Fixed plans cost less total for light users under 2 GB/day. Unlimited plans from Holafly save money when daily usage exceeds 3-4 GB. For a 7-day trip at 1 GB/day, a 10GB fixed plan at $8-15 beats a $27 unlimited plan. For a 7-day trip at 5 GB/day, unlimited at $27 beats a 35GB fixed plan that costs $40+.