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SGAC after a flight change: what travellers should know

SGAC after a flight change: what travellers should know

Updated 2026-10-19

Overview

SGAC After a Flight Change: What Travellers Should Know If your flight to Singapore has changed, you may need to update or resubmit your Singapore Arrival Card (SGAC). Here’s what you need to know to ensure compliance and avoid delays.

Do You Need to Update Your SGAC After a Flight Change?

Yes, if your flight details (flight number, date, or time) change after submitting your SGAC, you must update your submission. The Singapore Immigration & Checkpoints Authority (ICA) requires accurate travel information for all arrivals.

Failure to update your SGAC with revised flight details could lead to delays during immigration or even denial of entry. It’s essential to ensure your submitted information matches your actual travel itinerary.

When to Update Your SGAC

You should resubmit your SGAC as soon as your flight details change. The submission window remains the same: within 3 days before arrival, including the day of arrival.

  • Flight number changes: Always update if your airline assigns a new flight number.
  • Date or time changes: Update if your arrival shifts to a different day or outside the originally declared window.
  • Airline changes: Update if you’re flying with a different carrier than originally declared.

How to Update Your SGAC After Flight Changes

If you used the official ICA portal (https://www.ica.gov.sg), you’ll need to submit a new SGAC with your updated flight details. The system doesn’t allow amendments to existing submissions.

If you used our independent service at sgarrivalcards.com, you can contact our support team to assist with updating your submission. Our fee of $19 per traveller applies for new submissions.

Special Cases for Connecting Flights

If you’re transiting through another country before arriving in Singapore:

  • Your SGAC should reflect your final flight to Singapore.
  • Changes to your inbound flight to Singapore require updates.
  • Changes to earlier connecting flights typically don’t require updates unless they affect your Singapore arrival.

Timing Your SGAC Submission After Flight Changes

The 3-day submission window still applies after flight changes. For example:

We recommend submitting your updated SGAC at least 24 hours before your new flight to ensure processing.

  • If your new flight arrives on Friday, you can submit from Tuesday onward.
  • If your flight changes multiple times, each new submission resets the 3-day window.

Why Accurate Flight Information Matters

Singapore immigration authorities verify your SGAC details against airline manifests. Discrepancies can trigger additional checks. Accurate information helps:

  • Speed up your immigration clearance
  • Prevent unnecessary questioning
  • Ensure compliance with Singapore’s entry requirements

What Happens If You Don’t Update?

While some minor flight changes might go unnoticed, significant discrepancies could result in:

  • Additional screening at immigration
  • Processing delays
  • In rare cases, denial of boarding by your airline

1. Do I need to pay again if my flight changes?

If you used the official portal, there’s no fee for new submissions. If you used our independent service at sgarrivalcards.com, our $19 per traveller fee applies for each new submission.

2. What if my flight is delayed but keeps the same number?

Minor delays with the same flight number typically don’t require updates. However, if the delay pushes your arrival into a different calendar day, you should update your SGAC.

3. Can I submit two SGACs for different flight options?

No, you should only submit one SGAC with your confirmed flight details. Multiple submissions can cause confusion. Wait until your travel plans are final before submitting.

Our Independent SGAC Submission Service

sgarrivalcards.com is an independent, paid service that helps travellers complete their Singapore Arrival Card. We charge $19 per traveller for our assistance and are not affiliated with any government.

For official requirements or free submission, always check the ICA portal at https://www.ica.gov.sg.

Final Checklist for Flight Changes

When your flight to Singapore changes:

Flight changes are common in modern travel. By promptly updating your SGAC, you ensure smooth entry into Singapore and comply with all immigration requirements. Whether you use the official portal or our independent service, keeping your arrival information accurate is essential for hassle-free travel.

  • Verify if the change affects your Singapore arrival details
  • Submit a new SGAC if your flight number, date, or airline changes
  • Keep your SGAC submission within the 3-day window before arrival
  • Ensure your passport and personal details remain consistent
  • Carry proof of your submitted SGAC (electronic or printed)

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SGAC after a flight change: what travellers should know