For most travelers, the best Vietnam eSIM should balance price, network quality, easy setup, and enough data for maps, Grab, translation apps, social media, and hotel check-ins. Roafly stands out because it offers competitive 30-day Vietnam eSIM prices while connecting through strong local networks, including Vinaphone and Viettel.
Why an eSIM is useful for Vietnam travel
Vietnam is a very mobile-first travel destination. You will likely use your phone every day for ride-hailing, Google Maps, WhatsApp, hotel bookings, food delivery, translation, and train or bus tickets.
A physical SIM card works well, but it usually requires a store visit, passport registration, and sometimes a language barrier at airport kiosks. An eSIM avoids most of that friction.
With an eSIM, you can install your plan before departure and activate it when you arrive. Roafly supports Direct Install, QR Code installation, and Manual setup, so travelers can choose the method that fits their phone.
This is especially helpful if you land late at night in Hanoi, Ho Chi Minh City, or Da Nang. Airport SIM counters may be open for long hours, but prices and plan details can vary by kiosk. At Hanoi Airport, tourist SIM cards are widely available, and a common airport benchmark is around $10 for about 20 GB, while city stores may offer more data for the same price.
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Best eSIM for Vietnam price comparison
All plans below are shown in USD. The 5 GB, 10 GB, and 20 GB plans are valid for 30 days unless stated otherwise.
| Provider | 5 GB / 30 Days | 10 GB / 30 Days | 20 GB / 30 Days | Local Network / Operator |
|---|---|---|---|---|
| Roafly | $9.90 | $16.00 | $24.00 | Vinaphone, Viettel |
| Airalo | $10.50 | $17.50 | $28.00 | Vinaphone |
| Saily | $10.95 | $17.95 | $28.95 | Not specified |
| Roamless | $11.95 | $19.95 | $31.45 | Vinaphone, Viettel, Mobifone |
| Yesim | $13.20 | $22.80 | $30.00 | Vinaphone, Viettel, Mobifone |
| Holafly | Not listed | Not listed | Not listed | Average 7-day unlimited plan: $27.50. Fair usage policy may apply. |
Prices are accurate as of June 24, 2026. Operators and prices may change depending on availability, destination rules, and provider updates.
Vietnam eSIM providers compared
Choosing the best eSIM for Vietnam is not only about the lowest price. Network access, data validity, installation experience, and plan clarity all matter.
Most travelers need a plan that works well in major cities such as Hanoi, Ho Chi Minh City, Da Nang, Hoi An, Hue, and Nha Trang. But Vietnam travel often includes long transfers, rural roads, islands, and mountain areas. That makes local network quality especially important.
Roafly Vietnam eSIM
Roafly is one of the strongest value options for Vietnam eSIM because it combines competitive pricing with reliable local network access.
Its Vietnam plans use Vinaphone and Viettel, two major Vietnamese operators. This is important because travelers often move beyond one city. A Vietnam trip can include Hanoi, Ha Long Bay, Ninh Binh, Da Nang, Hoi An, Ho Chi Minh City, and smaller coastal or mountain destinations.
Roafly’s 30-day prices are also very competitive in this comparison:
5 GB costs $9.90, 10 GB costs $16.00, and 20 GB costs $24.00.
That makes Roafly cheaper than the listed alternatives at each fixed-data level. It is especially attractive for travelers who want predictable pricing without giving up strong local network access.
Installation is also simple. Roafly supports Direct Install, QR Code setup, and Manual installation. This gives travelers flexibility depending on their phone and setup preference.
For most visitors, Roafly is a strong choice if the goal is to get a well-priced Vietnam eSIM with solid operator coverage and an easy setup process.
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Airalo Vietnam eSIM
Airalo is a well-known travel eSIM provider and is often one of the first names travelers compare. Its Vietnam eSIM uses Vinaphone, which is a major local operator with good coverage in cities and popular tourist areas.
Airalo’s 30-day prices in this comparison are $10.50 for 5 GB, $17.50 for 10 GB, and $28.00 for 20 GB.
These prices are close to Roafly at the smaller data levels, but the gap becomes more visible with the 20 GB plan. For travelers who need more data for navigation, social media, video calls, or hotspot use, that price difference can matter.
Airalo remains a familiar option for many travelers, but Roafly offers lower prices in this Vietnam comparison while also connecting through Vinaphone and Viettel.
Saily Vietnam eSIM
Saily offers clean and simple travel eSIM packages, which can appeal to users who want an easy buying experience. Its Vietnam plans are available in common data sizes, including 5 GB, 10 GB, and 20 GB.
In this comparison, Saily costs $10.95 for 5 GB, $17.95 for 10 GB, and $28.95 for 20 GB.
The main limitation is that the operator is not specified in the provided plan details. For casual city travel, this may not be a major concern. But for Vietnam, knowing the local network can be useful.
Travelers visiting only Hanoi, Ho Chi Minh City, or Da Nang may focus mostly on price and app experience. Travelers heading to more rural routes may prefer a provider that clearly states the local operators.
Roafly has an advantage here because its Vietnam plan clearly lists Vinaphone and Viettel.
Roamless Vietnam eSIM
Roamless offers Vietnam access through Vinaphone, Viettel, and Mobifone. This is a strong operator lineup because it includes all three major Vietnamese networks.
Its prices in this comparison are $11.95 for 5 GB, $19.95 for 10 GB, and $31.45 for 20 GB.
Roamless may appeal to travelers who value broad local network access. However, it is more expensive than Roafly at all three listed data levels.
For example, the 20 GB Roamless plan costs $31.45, while the Roafly 20 GB plan costs $24.00. That is a noticeable difference for travelers who want more data for a 2-week or 30-day Vietnam trip.
Roamless has a good network profile, but Roafly offers a stronger price-performance balance in this comparison.
Yesim Vietnam eSIM
Yesim also lists access to Vinaphone, Viettel, and Mobifone. This gives it a strong local operator base for Vietnam.
However, its pricing is higher than most of the other fixed-data options in this comparison. Yesim costs $13.20 for 5 GB, $22.80 for 10 GB, and $30.00 for 20 GB.
For travelers who care most about operator variety, Yesim may be worth considering. But for travelers comparing cost per GB, Roafly is more competitive.
The difference is especially clear at 10 GB. Roafly’s 10 GB plan is $16.00, while Yesim’s 10 GB plan is $22.80. That makes Roafly a better value for the average Vietnam traveler who wants enough data for maps, Grab, messaging, browsing, and social media.
Holafly Vietnam eSIM
Holafly is different from the other providers in this comparison because it focuses on unlimited-style data plans rather than fixed 5 GB, 10 GB, or 20 GB packages.
The listed average price for a 7-day unlimited Vietnam plan is $27.50. A fair usage policy may apply, which means speeds can be reduced after heavy usage.
Holafly can be useful for travelers who do not want to monitor data consumption. It may suit short trips where convenience is more important than price per GB.
However, it is harder to compare directly with fixed-data 30-day plans. A traveler who only needs 10 GB or 20 GB may find better value with a fixed-data eSIM.
For example, Roafly’s 20 GB plan is valid for 30 days and costs $24.00. That is lower than the listed 7-day Holafly average price, while still giving a large data allowance for most travel needs.
Which Vietnam eSIM provider is best?
For most travelers, Roafly offers the best balance of price, coverage, and ease of use.
It is the lowest-priced provider in the 5 GB, 10 GB, and 20 GB fixed-data comparison. It also uses Vinaphone and Viettel, which gives it a strong network foundation for both city travel and wider Vietnam itineraries.
Airalo is a familiar option and uses Vinaphone, but it is more expensive than Roafly in this comparison. Saily has simple plans, but the local operator is not specified. Roamless and Yesim list more local networks, but their prices are higher. Holafly may suit unlimited-data users, but its 7-day average price is higher than Roafly’s 30-day 20 GB plan.
If you want a Vietnam eSIM that is affordable, easy to install, and backed by strong local operators, Roafly is the most balanced option in this comparison.
Which Vietnam eSIM data size should you choose?
The right data package depends on your trip length and how heavily you use your phone. Vietnam has widespread hotel and café Wi-Fi, but mobile data is still essential when you are outside, in taxis, on buses, or moving between cities.
5 GB Vietnam eSIM
A 5 GB plan is suitable for short trips of around 4 to 7 days.
It works well if you mostly use mobile data for maps, ride-hailing, messaging, email, restaurant searches, and occasional browsing. It is not ideal for heavy video use or constant social media uploads.
Roafly’s 5 GB plan is priced at $9.90, making it a strong option for light users who want a simple travel connection without paying for unnecessary data.
10 GB Vietnam eSIM
A 10 GB plan is usually the safest choice for a one-week to two-week Vietnam trip.
It gives more flexibility for Instagram, TikTok browsing, travel research, video calls, and navigation. If you are moving between several cities, 10 GB gives you breathing room.
Roafly’s 10 GB plan costs $16.00. Compared with other listed providers, it offers a good balance between price and coverage.
20 GB Vietnam eSIM
A 20 GB plan is better for longer trips, remote workers, content creators, or travelers who prefer not to think about data limits.
It is useful if you upload videos, use hotspot occasionally, stream content, or rely heavily on mobile internet during long transfers. Vietnam travel often involves buses, trains, boats, and domestic flights, so extra data can be practical.
Roafly’s 20 GB plan is $24.00 for 30 days. In this comparison, it is cheaper than Airalo, Saily, Roamless, and Yesim for the same 20 GB data size.
Travelers unsure about their usage can estimate their needs with a data usage calculator before choosing a package.
Vietnam mobile network coverage: Viettel, Vinaphone, and Mobifone
Vietnam’s main mobile operators are Viettel, Vinaphone, and Mobifone. All three are used by travelers, but their strengths are slightly different.
Viettel coverage in Vietnam
Viettel is widely considered one of the strongest networks in Vietnam, especially for travelers going beyond major cities. It is often recommended for rural areas, mountain routes, islands, and longer cross-country itineraries.
Coverage maps from nPerf show Viettel 2G, 3G, 4G, and 5G network presence across Vietnam, while Opensignal identifies Viettel as one of Vietnam’s major mobile networks with 4G and 5G availability data.
For travelers visiting Sapa, Ha Giang, Phong Nha, the Mekong Delta, or smaller coastal towns, Viettel access can be valuable. No mobile network is perfect in every valley, island, or mountain road, but Viettel is usually a strong choice for broader coverage.
Vinaphone coverage in Vietnam
Vinaphone is also a major network in Vietnam and performs well in cities, airports, and popular travel regions. It is a good option for routes such as Hanoi, Ninh Binh, Ha Long Bay, Da Nang, Hoi An, Hue, Nha Trang, Da Lat, and Ho Chi Minh City.
VNPT, the group behind Vinaphone, has expanded 5G coverage across provinces and major airports, according to Vietnam telecom reporting. This is useful for travelers because airports and major cities are often the first places where faster network upgrades appear.
Roafly’s Vietnam eSIM uses Vinaphone and Viettel, which gives travelers access to two strong local networks rather than relying on a weaker or unclear operator setup.
Mobifone coverage in Vietnam
Mobifone is another established Vietnamese operator. It generally works well in cities and tourist corridors. It can be a practical network in Ho Chi Minh City, Hanoi, Da Nang, and other urban areas.
Mobifone has also been expanding 5G services, joining Viettel and VNPT in Vietnam’s 5G rollout. nPerf also provides Mobifone 2G, 3G, 4G, and 5G coverage mapping for urban locations such as Ho Chi Minh City.
For most tourists, Mobifone is fine in cities. For more remote trips, Viettel or a combination including Viettel is often safer.
Is unlimited data worth it in Vietnam?
Unlimited data can sound attractive, but it is important to check the details. Some unlimited travel eSIMs may use a fair usage policy. That means speeds can be reduced after a certain amount of high-speed data is used.
Holafly’s Vietnam example in this comparison is an average 7-day unlimited plan at $27.50, and a fair usage policy may apply. This can still be useful for travelers who prefer not to track data, especially on short trips.
However, many travelers do not need unlimited data. A 10 GB or 20 GB plan is often enough for daily navigation, messaging, ride-hailing, browsing, and moderate social media use.
For value-focused travelers, fixed-data plans are usually easier to compare. In this Vietnam comparison, Roafly’s 20 GB plan at $24.00 gives a large 30-day allowance at a lower price than several competing 20 GB options.
How to install a Vietnam eSIM before your trip
Installing a Vietnam eSIM is simple if your phone supports eSIM. Most recent iPhones, Google Pixel models, and many Samsung Galaxy devices support eSIM, but it is always worth checking before buying.
Roafly supports three setup methods.
- Direct Install is the easiest option for compatible iPhone & Android. It allows a smoother setup flow without manually entering many details.
- QR Code setup works well if you can display the QR code on another screen, such as a laptop or tablet.
- Manual installation is useful if you cannot scan a QR code or prefer entering the eSIM details yourself.
After installation, keep your primary SIM active for calls or SMS if needed, but set your Vietnam eSIM as the mobile data line when you arrive. Data roaming should usually be enabled for the eSIM line, while roaming on your home SIM can remain off to avoid unexpected charges.
Final recommendation: the best eSIM for Vietnam
The best eSIM for Vietnam should be affordable, easy to install, and connected to reliable local networks.
Based on the provided 30-day price comparison, Roafly is the strongest value choice for 5 GB, 10 GB, and 20 GB Vietnam eSIM plans. It offers lower prices than the listed alternatives while using Vinaphone and Viettel, two of Vietnam’s most important mobile networks.
Airport SIM cards and local SIMs can be cheaper in some cases, especially from official stores in the city. But they require more effort after arrival. For most travelers, the convenience of installing an eSIM before departure is worth it.
Roafly is a practical choice for Vietnam because it combines competitive pricing, multi-country experience across 200+ destinations, easy installation, and strong local network access.
If you are comparing Vietnam with other Southeast Asia trips, you may also find Roafly’s guides to the best eSIM for Thailand and the Best eSIM for Indonesia useful for regional planning.