Compare eSIMs for Vietnam 2026

A travel eSIM for Vietnam is no longer a niche offering: most major providers list it. RedEx eSIM, AbestESIM, Roamix, AirHub, MicroESIM and eSIMnow have particularly deep catalogues, but a familiar name does not show whether a package suits a short visit or a longer stay. The listings tie these offers to Vietnamese operators including MobiFone, Vinaphone, Viettel Mobile and Vietnamobile. The useful comparison is practical: check the allowance, duration, tethering rules and what happens when the data runs out. A low headline price can be less useful if the plan is too small or expires early.

MobiFone, Vinaphone, Viettel Mobile and Vietnamobile are the local operators named in travel-eSIM listings for Vietnam. That gives you a choice of underlying network, but it usually sits with the eSIM provider rather than the buyer: the operator you use follows the provider’s published list. Comparing those network details with the plan’s allowance and terms matters, since choosing a different provider can mean using a different operator. An eSIM roams onto a local operator; the published listing tells you which ones are intended, without indicating signal quality in a particular location.

Zero-priced data offers do appear for Vietnam, but they are generally small introductory allowances rather than usable trip plans. They usually require signing up with the provider and may be limited to one claim per customer. That makes them handy for sending a message or getting basic access on arrival, not for everyday use. A free eSIM profile is a separate thing: downloading it costs nothing, but the data attached to it may still be paid.

Several major eSIM brands sell plans marketed as unlimited for use in Vietnam, but the label is only a starting point. These offers can provide different amounts of data at full speed: some restore that speed each day, while others slow down for the rest of the plan. Once the fast allowance is used, the connection may become too sluggish for video or quick map loading, although messaging usually continues. Check the reset pattern and reduced speed in the plan details before choosing.