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iVisa Mobile App Online global travel documents
How to apply for a US ESTA for Singaporeans: Expert tips inside
Photo of Christa Byker Christa Byker
4 min read
Updated on Jun 09, 2025
Summary
  • ✈️ What is it? A digital travel pass (ESTA) that gets you into the USA hassle-free
  • 🛠️ How tricky is it? With our help, super easy—just 14/100 on our difficulty scale
  • Success rate: 99.9% of applications sail through
  • 🔄 Good to know: Valid for multiple trips (though each is single-entry)
  • 📅 How long is it valid? 2 years—or until your passport expires, whichever comes first
  • How long can you stay? Up to 90 days per visit
  • How fast? Most approvals land in your inbox within 1 day

The USA provides a range of visa options depending on your travel purpose. If you're from Singapore and planning a trip to the USA, knowing which visa fits your travel needs is crucial—and we’re here to break it down simply.

Keep reading to discover which US visa or travel document you need as a Singaporean traveler.

Do I need a visa for the USA if I am from Singapore?

Singapore is part of the Visa Waiver Program (VWP), meaning Singaporeans can enter the USA for up to 90 days without a traditional visa for business or tourism.

However, you must apply for an Electronic System for Travel Authorization (ESTA) before boarding your flight.

💬 Christa Byker, former US visa officer, explains: “Many travelers think ESTA is automatic because of their passport, but it’s a proper screening process. You need to take care to answer truthfully and check everything twice.”

Difficulty rating: 14/100

We give this process a super low difficulty score of 14/100. Why? The application is online, takes just 10 minutes to complete, and only requires your passport and basic travel details.

💡 Heads up: If you've been denied an ESTA within the past six months, you’ll likely need to apply for a visa instead.

What are the passport requirements for an ESTA for Singaporeans?

Your Singaporean passport must meet these requirements:

  • Machine-readable, with 2 lines of letters, symbols, and numbers at the bottom of the personal details page.
  • Electronic passport (e-passport) with a digital chip (look for the small camera logo).

💬 Christa’s tip: “Your passport should be valid for at least six months beyond your travel date. It’s one of the simplest things that can trip travelers up at the airport if overlooked.”

How to apply for a US ESTA from Singapore with us

Our platform makes it quick and simple. Here’s how:

1️⃣ Fill in your details on our website or via the mobile app.

2️⃣ Check your info twice (seriously!) and select your preferred processing time.

3️⃣ Upload your passport page and submit.

We review everything for accuracy before submission. With 99.9% of applications approved, you’re in excellent hands.

💬 Christa emphasizes: “Even something small like a typo in your passport number can cause problems. Accuracy is key.”

Once approved, you’ll receive your ESTA by email. We recommend printing a physical copy and keeping a digital backup on your phone.

Infographic showing a side-by-side comparison between applying for a US ESTA with iVisa versus directly through the US government, highlighting differences in processing speed, approval rates, customer support, and ease of application

"iVisa made it ridiculously easy—I had my ESTA in under an hour!" — Alex from Singapore

When will I need to apply for a US visa from Singapore?

You’ll need a visa if you plan to:

  • 🗓️ Stay in the USA longer than 90 days.
  • 👩‍💼 Work, study, or engage in activities beyond tourism or business meetings.
  • Your ESTA application is denied

If any of these apply, you must apply through the US Embassy in Singapore. Christa clarifies that while the ESTA covers short trips, any change in purpose—like studying or working—requires a proper visa, even if it’s just for a short stay.

“If you’ve had a recent ESTA denial, don’t rush to reapply without checking eligibility. Multiple denials can flag your record,” Christa said. “It’s really important to understand that a visa interview lets you explain your situation in person, which isn’t possible with ESTA.”

She also reminds travelers that a visa can offer broader flexibility for longer stays and multiple purposes, making it the right route when ESTA doesn’t fit your needs.

Frequently asked questions

We’ve also answered some frequently asked questions for you here:

  • Can I extend my stay beyond 90 days? No, ESTA only allows stays up to 90 days. For longer visits, a visa is required.
  • Is ESTA linked to my passport? Yes, your ESTA is electronically tied to your passport. You’ll need to apply for a new ESTA if your passport is renewed or replaced.
  • Can I work remotely with an ESTA? No, ESTA is strictly for tourism and business meetings. Remote or freelance work isn’t permitted under this authorization.
  • What if I make a mistake on my application? You can correct errors before submission. After approval, only your email and US accommodation address can be updated; otherwise, you’ll need to apply again.
  • I already have a valid US visa. Do I need an ESTA too? Nope! If you already hold a valid US visa, that covers your trip. No ESTA needed—as long as your visa type matches your travel purpose.

Still unsure? Our friendly customer service team is ready to help you apply for a US ESTA with confidence. Reach out via WhatsApp or iVisa chat.

You can also read more about the ESTA here:

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