Fix Vietnam Pre-Arrival Form Flight Code Not Found

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If your flight code is not showing in the Vietnam Pre-Arrival Form dropdown, the most common cause is a wrong or premature arrival date. The system only shows flights departing within 72 hours of your scheduled arrival at SGN.

Getting stuck on Step 3 of the application is a common frustration for many travelers. A missing flight code will prevent you from completing your mandatory digital immigration declaration.

Fortunately, resolving a vietnam pre arrival form flight code not found error is a straightforward process. This guide explains exactly why your flight is missing and provides simple steps to fix it.

4 Reasons Your Flight Code Is Not Appearing

Understanding why the system hides your flight is the first step to fixing the issue. The dropdown menu relies on the precise data you enter in earlier steps.

Here are the four most common reasons travelers cannot find their flight code.

1. Wrong arrival date

The dropdown menu filters flights specifically by the date you entered in Step 2. If you accidentally entered your departure date instead of your arrival date, the system looks at the wrong day.

Flights crossing time zones often land a calendar day or two later. An incorrect date guarantees your flight code will not appear.

2. Attempting to apply too early

The official portal has a strict timeline for submissions. The form only opens 72 hours before your scheduled arrival at SGN.

If you try to complete the application outside this window, no flights will show up. The system simply has not populated the database for those future dates yet.

3. Wrong border gate selected

The pre-arrival requirement applies specifically to Tan Son Nhat International Airport. You must confirm the border gate is set to "SGN - Tan Son Nhat International Airport".

If you accidentally selected a different airport, the system will look for flights landing there instead. Your SGN flight code will remain completely hidden.

4. Using a codeshare marketing code

Airlines frequently sell tickets for flights operated by partner airlines. The official portal strictly uses the operating carrier code, not the marketing airline code.

If you type the code of the airline that sold you the ticket, it might not match the actual plane flying the route. This is a highly common mistake.

How to Fix Each Cause — Step by Step

Now that you know the potential causes, you can apply the correct solution. Follow these steps to resolve your specific error.

Fix 1: Correct your arrival date

Return to the Passenger Information section of the form. Verify that your arrival date matches your ticket perfectly.

Remember to use the DD/MM/YYYY format. Calculate your arrival time based on the local Vietnam time zone (GMT+7) to ensure absolute accuracy.

Fix 2: Wait for the 72-hour window

Count the days until your flight touches down in Ho Chi Minh City. If it is more than three days before your arrival, do not fill the form yet.

You must come back within the 72-hour window to complete the process. Keep your documents ready for when the window officially opens.

Fix 3: Select the correct border gate

Navigate back to the Trip Information section. Check the border gate dropdown carefully.

Ensure it explicitly shows Tan Son Nhat International Airport (SGN). Changing this setting will immediately update the available flight codes in the next dropdown.

Fix 4: Identify the operating carrier

Check your original booking confirmation email or receipt. Look closely for a field stating "operated by" to identify the actual airline flying the plane.

Use this operating airline's code instead of the one listed at the top of your ticket. This minor adjustment usually solves the missing flight issue instantly.

How to Find Your Operating Carrier Code

Finding your operating carrier is essential for codeshare flights. Your booking confirmation holds the key to this information.

Look for phrases like "operated by" or "operated as" in the flight details section of your itinerary.

Common codeshare examples

Suppose you booked a ticket with Qantas (QF), but the flight is operated by Vietnam Airlines. You must use "VN" plus the flight number.

Similarly, if you booked with British Airways but are flying with Cathay Pacific, use "CX" and the flight number. Always prioritize the operating airline.

Rules for connecting flights

Connecting flights can easily cause confusion during this step. You must locate the flight code for your final leg into SGN only.

Do not use the flight code for your first departure from your home country. The system only tracks the specific plane entering Vietnamese airspace.

Still Cannot Find the Flight After Fixing All Above?

If you followed every step and still cannot find your flight, take a deep breath. A few remaining checks can help clear the hurdle.

First, confirm your flight is actually arriving at SGN. If you are flying into Hanoi or Da Nang, you do not need this form.

Contact your airline

Airlines occasionally change flight numbers or operating carriers at the last minute. Contact your airline directly to confirm your exact operating carrier and flight number.

They can provide the most current information regarding your itinerary.

Troubleshoot technical glitches

Sometimes, the official government portal experiences minor technical issues. If your issue persists, try accessing prearrival.immigration.gov.vn using a different web browser.

Alternatively, clear your current browser cache and reload the page. A fresh connection often resolves hidden dropdown items.

Frequently Asked Questions

Successfully Submitting Your Arrival Details

A missing flight code does not have to ruin your travel plans. By verifying your arrival dates and operating carriers, you can easily bypass this common system error.

Once the correct flight appears, you can finish your application with total confidence. It is always wise to review the full entry requirements to ensure your documents are perfectly aligned.

For additional guidance and the latest updates on immigration procedures, visit the Vietnam Pre-Arrival homepage.

Disclaimer: This article is an independent expert guide. vietnamprearrival.com is not affiliated with the Government of Vietnam or the Vietnam Immigration Department. Always verify current requirements at prearrival.immigration.gov.vn before travel.