If my ESTA is valid for two years, can I stay in the US for two years?

No. An ESTA is valid for multiple trips for up to two years (or until your passport expires), but each stay is limited to a maximum of 90 days.

Can I extend a 90-day stay on ESTA?

No. Visa Waiver Program travellers cannot extend their stay beyond 90 days or change their status. Only in an emergency may the authorities, at their discretion, grant a period of satisfactory departure of up to 30 days.

Do the 90 days start again after a side trip to Canada or Mexico?

No. After a trip to Canada, Mexico or the adjacent islands, you are readmitted only for the remainder of your original period of admission (8 CFR 217.3(b)).

What happens if I stay longer than 90 days?

Anyone who has not complied with the conditions of a previous admission under the Visa Waiver Program no longer qualifies for visa-free travel (8 U.S.C. 1187(a)(7)). The ESTA application asks explicitly about previous overstays.

ESTA INFORMATION

90 days on ESTA: how long can you stay in the United States?

The answer is clear: each stay is limited to a maximum of 90 days, and there is no extension. A side trip to Canada or Mexico does not reset the clock either. Anyone who stays longer than 90 days loses access to the Visa Waiver Program. This page explains what that means in practice.

A 90-day stay ≠ two years of ESTA validity

The Visa Waiver Program allows travel for business or tourism for up to 90 days without a visa. Two different time limits are often confused:

ESTA validity: usually two years from approval or until your passport expires, whichever comes first. You can make multiple trips during this period.
Length of each individual stay: a maximum of 90 days

Official ESTA FAQ: an approved ESTA expressly does not mean that you may stay in the United States for two years. If you wish to stay longer than 90 days, you need a visa.

You can check how long your own ESTA is valid via the ESTA status check.

No extension, no change of status

Travelling on ESTA means accepting fixed conditions. According to CBP, Visa Waiver Program travellers may not:

extend their stay beyond 90 days
apply for a change to another immigration status
work (no unauthorised employment), study at a school or university, or work as foreign media

According to the ESTA guidance, breaching these conditions can lead to removal (deportation) from the United States.

Exception only in an emergency: if an emergency prevents you from leaving on time, the authorities may, at their discretion, grant a period of “satisfactory departure” of up to 30 days (8 CFR 217.3(a)). This is neither an extension nor an entitlement.

Side trips to Canada or Mexico: the clock keeps running

A common misconception is that a short trip to Canada, Mexico or a nearby island resets the 90 days. It does not.

Under the regulations, after such a trip you are readmitted only for the remainder of your original period of admission (8 CFR 217.3(b))
ESTA also requires a return or onward ticket; as a rule, the journey may not end in Canada, Mexico or the adjacent islands (unless you live there)

If you are planning a tour of North America, do not count the days in Canada or Mexico as a “pause”.

Overstaying: consequences for future trips

US law makes visa-free travel conditional on your having complied with the conditions of previous admissions under the Visa Waiver Program (8 U.S.C. 1187(a)(7)). Anyone who has stayed longer than permitted can therefore no longer use the programme.

The ESTA application asks explicitly: have you ever stayed in the United States longer than the admission period granted to you?
An approved ESTA does not guarantee entry in any case — that decision is made by the CBP officer on arrival

Planning to stay longer than 90 days? Then ESTA is not the right route. Find out about the US B1/B2 visitor visa in good time.

Related information

US travel guide

All topics for travelling on ESTA

US B1/B2 visitor visa

For stays longer than 90 days

US border control

CBP questioning & secondary inspection

Sources and currency

Last checked: 12 October 2026. This website is an independent information service and is not an official website of the US government or of U.S. Customs and Border Protection (CBP).