The quick answer

A visa, eVisa, electronic travel authorisation and visa on arrival are not interchangeable labels. They are different legal routes to request travel or entry. The correct route depends on the passport you will use, the destination, the purpose and length of the trip, how you will arrive, and sometimes your residence or previous visa history.

An approval normally allows you to travel to a border or request entry. It does not guarantee admission. Border authorities can still check your purpose, funds, return plans, health, character and documents.

What each term means

Visa

A visa is permission issued for a stated category, such as visitor, student, work or family. It may be electronic even when people still call it a visa. A visitor visa does not automatically allow employment, long-term study or residence.

eVisa

An eVisa is a visa applied for and issued electronically. The important question is not whether it is digital; it is which activities, entry count and stay period the eVisa permits. Saudi Arabia's tourist eVisa, for example, covers specified tourism-related activity but not study or work.

ETA, eTA, ESTA and NZeTA

These are electronic travel authorisations. They are commonly used for passport holders who do not need a conventional visitor visa for a qualifying short trip. They usually authorise travel, not entry. The exact rule varies: Canada's eTA is mainly connected to air travel, the US ESTA also applies to Visa Waiver Program travellers arriving at land borders, and New Zealand normally requires an NZeTA from visa-waiver travellers before departure.

Visa on arrival

This means an eligible traveller can receive or request the relevant entry permission at the border instead of arranging a conventional visa in advance. Eligibility may depend on passport type, validity, residence status or supporting visas. It is still sensible to carry proof of accommodation, onward travel, funds and the permitted purpose.

Use this five-step check before paying

  • Confirm the nationality and passport subtype you will actually travel with.
  • Select the true purpose: tourism, family visit, business meetings, study, paid work or migration.
  • Check the method of arrival because air, land and sea rules can differ.
  • Check whether a previous visa, residence permit or travel history changes eligibility.
  • Verify the answer on the destination government's website before purchasing non-refundable travel.

Common mistakes

The most expensive mistake is choosing a route because it sounds easier. A tourist authorisation cannot be converted into permission to work simply because the traveller later receives an offer. Another common error is using a valid authorisation linked to an old passport after renewing the passport. Families should also check every traveller separately; children usually need their own permission.

Official starting points

Last checked: 1 September 2026. Rules can change, so use the official destination result as the final pre-travel check.