How many times can you travel to the USA with the same ESTA?

Is it possible to return to the United States a few months apart? Here's what you need to know about ESTA travel authorization.

How long is an ESTA valid?

Can you return to the United States a few months or weeks after a previous trip? The question feels even more stressful if you’re planning, say, a second trip to New York within the same year.
The rules are straightforward: your ESTA authorization is valid for 2 years, and you have every right to make as many trips to the United States as you want during that period. There’s no official limit. You can spend a week in New York in April, then 15 days in August and another week in December.
That’s the principle. However, entry to the United States depends on the decision of the immigration officer who reviews your case upon arrival, and there is a limit: an ESTA is not a residence permit or a green card.

All your stays in the United States are recorded in your file. Based on this history, the immigration officer will assess whether you’re visiting for leisure or attempting to immigrate illegally. Two key rules:
Don’t stay longer than 90 days at a time, and avoid stringing together multiple 90-day stays. Crossing into Canada for 2 days and then returning to the USA for another 90 days will quickly signal that you intend to settle in the United States.
If the immigration officer has doubts, be ready to prove you’re on vacation and not seeking work or attempting illegal residence. Officers often verify this by asking about your profession and what you do for a living.
If the officer mentions you’ve visited several times recently, simply explain that you want to explore more of the United States, that there’s still plenty you haven’t seen, and that you enjoy spending your vacations in New York or elsewhere. The key word: “vacation.” Whatever you do, don’t lie—that’s when real trouble starts.
Bottom line: stop worrying. As long as you’re genuinely visiting the United States for vacation, you’ll have no problems. However, if you plan to settle in the United States, I recommend applying for the appropriate visa. If you’re caught trying to circumvent the rules, you could face up to 10 years of entry ban, and I’ve unfortunately seen this happen before on the New York forum.