If your passport is in the Visa Waiver Program, the "US electronic visa" you are looking for is ESTA, and most authorisations come back quickly: the official guidance is to apply at least 72 hours before you travel. If your passport is not in the Visa Waiver Program, the United States has no online equivalent to offer you. Your route is a consular visa with an interview at an embassy or consulate, and that timeline runs in weeks to months depending on which post you apply through. So the first thing to establish is which of the two you need, because the two answers are nothing alike.
Which one you are applying for
The United States does not issue an electronic visa in the way Vietnam, India or Kenya do. It issues visas through consulates, and it issues travel authorisations electronically to travelers who do not need a visa at all. Both get typed into search boxes as "US e-visa", which is why the timing question splits in two.
ESTA, the Electronic System for Travel Authorization, applies if you hold a passport from a Visa Waiver Program country and you are coming for tourism, business or transit for a short stay. It is permission to board a flight and to present yourself at the border.
Everyone else applies for a visa: B1 for business, B2 for tourism, F for study, and so on. That means a form, a fee, an appointment and an interview at a US embassy or consulate. There is no version of that process you can complete entirely online.
Nationality decides which door you use, and what counts is the passport you will actually present at check-in, which matters if you hold two. Our requirements checker returns the answer for a specific passport and a specific route, connections included.
How long an ESTA takes
Most ESTA applications are decided quickly, and plenty of applicants have an answer before they have closed the browser tab. The official advice is still to apply at least 72 hours before travel, and that window exists because a minority of applications do not clear the automated checks on their own and need someone to look at them. No reliable published figure says what share is decided instantly, so treat any site quoting an approval percentage or a guaranteed turnaround as marketing.
An approved ESTA is valid for two years, or until your passport expires, whichever comes first, and it covers multiple visits in that period. It is held against the passport it was granted on, so a new passport means a new application.
Apply on the official US Customs and Border Protection portal. The fee is set by the government and has changed before, so take the current amount from the portal rather than from an article.
What slows an ESTA down
- Details that do not match the passport. A transposed digit in the document number, a middle name added or dropped, a date entered in the wrong order.
- A previous refusal or an overstay. An earlier US visa refusal, a removal, or a stay beyond the period you were admitted for will pull the application out of the automated lane.
- A name or date of birth that matches a record needing review. Common names generate false matches, and clearing one takes time nobody can quote in advance.
- Careless answers to the eligibility questions. They cover arrests, certain illnesses and travel to particular countries. A wrong answer causes far more trouble than an honest one.
The pattern behind most delays is dull: information that does not reconcile with a document or a record. Our guide to why electronic visa applications get rejected works through the same failure modes across schemes.
How long a consular visa takes
The honest answer is that it depends on where you apply, and it varies enormously between consulates and across the year. Two things happen in sequence. You wait for an interview appointment, then the consulate processes your case after the interview.
The appointment wait is usually the long part. At busy posts it has run into many months while the work after the interview took days. Waits move with season, staffing and local demand, so a figure quoted for one consulate tells you very little about another. Check the wait published for the post you will use, and plan around that.
As a pattern rather than a promise: a first-time B1/B2 applicant from a high-demand country should expect to plan in months, not weeks. Some cases also go into additional administrative processing after the interview, which has no fixed length. Renewals in the same visa category tend to move faster, and some posts waive the interview for them.
The traps
- An ESTA is not a visa. It lets you board and ask to be admitted. A border officer decides admission when you land, and can refuse it.
- "Pending" at check-in is not "approved". Airlines check the status before boarding, and an application still in process will not get you onto the aircraft.
- Third-party sites charge multiples of the official fee to type your own answers into the same government form. Some are legitimate businesses charging for convenience; others are lookalikes designed to be mistaken for the government site. Our guide to electronic visa scams lists the signals worth checking before you pay.
- Nobody can expedite an ESTA. There is no paid fast lane, whatever a checkout page implies.
- An ESTA does not cover every purpose of travel. Work, study and long stays need a visa even on a Visa Waiver Program passport.
When to apply
For an ESTA, apply when you book, and never inside the 72-hour window by choice. Waiting buys nothing: the authorisation lasts two years whenever you obtain it, the fee is the same, and applying late only exposes you to the chance that yours is the application needing review.
For a consular visa, work in the other direction. Check the appointment wait at your post first, then book flights and accommodation around the date you can realistically be interviewed. Buying non-refundable travel before you hold the visa is an expensive way to learn what the interview calendar looks like.
If you are unsure which of the two applies to you, start from the passport rather than the destination. The nationality on the document you will travel on decides which application exists, how long it takes, and how far ahead you need to start.