Should You Fill Out Korea’s E-Arrival Card 3 Days Before? And What If You're Staying in Multiple Hotels?

 If you’re planning your first trip to South Korea—especially in the early autumn months—you’ve likely already stumbled upon a confusing little detail in your travel checklist: the e-Arrival Card.

“What is it? Do I have to fill it out? And when exactly?”

These were my questions too. I was traveling with my family in early September, and we had an itinerary that took us across half the country—from Seoul to Gimpo, to Jeju Island, then up through Busan. We weren’t sure which hotel to list, or whether it was too early to submit the form. Here's what I found out—and what will hopefully save you time and stress.

📋 What Exactly Is the E-Arrival Card for Korea?

The Korea Electronic Arrival Card is a short digital form that replaces the traditional immigration slip you used to fill out on the plane. You provide basic information: passport details, travel dates, your accommodation address in Korea, and a contact number.

It’s not the same as the K-ETA visa waiver (which many travelers also need depending on your nationality). The e-Arrival card is about immigration logistics, not visa approval.

✅ You can fill it out online here: https://www.k-eta.go.kr/portal/apply/viewstep1.do

⏰ When Should You Fill It Out?

Here's where it gets tricky: many travelers try to complete the form too early, and it fails. The general consensus among recent travelers is that you must submit it exactly 3 days before your departure date, not earlier.

I tried submitting mine 5 days in advance—it didn’t go through. But when I did it again on the third day, it worked perfectly.

You’ll receive a confirmation page with a QR code, but don’t worry—you don’t need to print it. It’s linked to your passport. When you scan your passport at immigration in Korea, they’ll already have it.

✈️ Can I Skip the Online Form and Fill It Out on the Plane?

Yes. If you forget to fill out the online form or don’t want the hassle, paper versions are still handed out on the plane.

But just know: that small convenience could cost you time on arrival. You’ll need to manually complete the form before entering the queue, and in busy periods, that can mean longer lines. For families or tired travelers arriving after a long-haul flight, that extra wait feels like forever.

So if you can? Do it online. Three days before. Not one day earlier. Not one day later.

🏨 What If I’m Staying in Multiple Places?

Here’s another common concern: “I’m staying in different hotels. What address do I enter?”

Just list your first night’s accommodation—that’s what immigration needs. Even if you're moving from Seoul to Jeju to Busan, the form doesn’t ask for your full itinerary.

You’ll need:

• Name of the hotel/guesthouse

• Korean address (copy-paste it from your booking site)

• Local phone number (most hotels have one listed online)

Don’t worry if your plan changes—you won’t get in trouble at the airport for sleeping somewhere else on night two.

🌤️ Bonus: What’s the Weather Like in Korea in Early September?

Hot and humid. That’s the honest answer.

Many travelers assume September is Korea’s version of autumn—it’s not. At least not until the last week or two. In early September, you’re still getting late-summer heat, with average highs around 28°C (82°F) and high humidity.

☁️ Pro tip: Pack lightweight clothes, a small travel umbrella, and breathable walking shoes. You’ll thank me in Jeju.

💬 Final Thoughts

It’s the little details—like when to fill out a short form—that can cause the most stress before a trip. I’ve been there. But if there’s one thing I learned during my first week in Korea, it’s that a bit of planning pays off.

So yes, do the e-Arrival Card. Do it three days before. Have your first hotel’s info ready. And after that? Relax. You’re about to experience one of Asia’s most beautiful, safe, and welcoming countries.

🧳 Still working on your itinerary? → Check our family-friendly Korea travel routes

📱 Need a SIM card for arrival in Korea? → Reserve one in advance