Cambodia Visa Overstay Guide

Visa overstays happen — a misread date, a forgotten calendar reminder, or simply losing track of time. Cambodia handles overstays in a relatively practical way compared to many countries: the standard resolution is a straightforward cash fine paid at departure, and you are then free to leave normally.

This does not mean overstaying is advisable. A $10/day fine accumulates quickly (a 30-day overstay costs $300), and longer overstays can create complications for future entry. But for those who find themselves having accidentally overstayed a few days, the process of resolving it is manageable.

The best approach is, of course, to never overstay. Extensions are cheap, fast, and widely available. Set a calendar reminder one week before your visa expires and deal with it proactively.

Cambodia's official overstay penalty is $10 per day, counting from the day after your visa expiry. There is no grace period. The fine is collected in US dollars cash at the immigration counter during departure processing.

Examples of fine amounts:

There is no official grace period in Cambodia's visa system. The day after your visa expiry date is Day 1 of overstay, and the $10/day fine begins.

In practice, some travelers report that a 1–2 day overstay passes through airport counters without being flagged, particularly at busy times when officers process large queues quickly. However, this is inconsistent and not something to rely on. The immigration system digitally records your entry and compares it against your visa validity — the system, not the officer, flags overstays.

Never deliberately overstay in the assumption it will not be caught. The $10/day fine starts on day one, and collection at departure is systematic.

Your overstay is discovered at the point of departure — when your passport is scanned at the airport or border crossing exit counter. The immigration officer will see the discrepancy between your entry stamp (or visa) and the current date.

You will not typically be stopped at random checkpoints inside Cambodia for a routine overstay (unlike some countries). The enforcement happens exclusively at the point of exit. This means that if you have overstayed, you will face the fine when you try to leave — not before.

There are reports of checkpoints specifically targeting foreigners in some tourist areas, but these are uncommon and generally not triggered by overstay alone.

When your passport is scanned at the departure counter and an overstay is flagged, the process is:

1. Calculation: The officer calculates the number of days overstayed and the corresponding fine ($10 × days).
2. Payment: Pay the fine in US dollars cash. Some border crossings may accept Cambodian riel at the day's exchange rate, but USD is the standard. Bring sufficient cash — card payment is not available.
3. Receipt: Request an official receipt. This documents that the fine was paid and can be useful if any dispute arises later.
4. Clearance stamp: Once payment is confirmed, you receive an exit stamp and are free to board normally.
5. Normal departure: No further detention, escort, or restriction. You depart as normal.

The process is typically routine and conducted without hostility, particularly for short overstays. Be polite, have the cash ready, and do not attempt to negotiate the fine — it is a fixed rate.

Cambodia's approach to re-entry after an overstay depends on severity:

• Short overstay (1–30 days) with fine paid: Usually no impact on future entry. Pay the fine, obtain the receipt, and you can re-enter Cambodia on your next trip normally.
• Moderate overstay (30–90 days): May be noted in the immigration system. You may be asked questions on your next entry about your previous stay. Unlikely to result in formal ban if fine was paid.
• Long overstay (90–180+ days): Significantly increases risk of complications on re-entry. Immigration officers have discretion to deny entry, and the overstay history will be visible in the system. Seek advice from an immigration lawyer before attempting to return.
• Very long overstay (6+ months): Serious risk of entry denial. Cambodia does not publish a formal blacklist, but lengthy overstays are tracked and can result in bars on future entry. Legal advice strongly recommended.

Overstays are almost entirely preventable with basic planning:

• Know your exact expiry date: Check your visa stamp carefully when you enter. Write it on your phone or in your notes app immediately.
• Set a calendar reminder: Create a reminder 1 week and 2 days before expiry. Two reminders prevent the situation where you see one and think "I have time" and then forget.
• Extend before expiry: Extensions are cheap ($45–290 depending on duration), fast (same day via agent), and available throughout the country. There is no excuse for overstaying when the extension system is this accessible.
• Apply for extension early: Apply at least 1 week before expiry — preferably 2 weeks. This gives buffer time if there are any administrative delays.
• Use a visa agent: If you do not want to visit the immigration office yourself, visa agents in Phnom Penh and Siem Reap process extensions for a $10–20 service fee. Drop off your passport, pick it up the next day with a fresh extension.

If you realize you have already overstayed your visa, here is the recommended course of action:

1. Do not panic. For most overstays under 30 days, the situation is resolvable with a straightforward payment.
2. Do not try to extend after expiry. The General Department of Immigration will likely not process an extension once you have already overstayed; you will need to leave Cambodia to resolve the situation.
3. Prepare sufficient USD cash. Calculate your likely fine ($10 × days overstayed) and bring at least 20% extra buffer.
4. Declare it proactively at departure. Be straightforward with the immigration officer. This is a routine situation they handle regularly.
5. Pay the fine, get the receipt. Do not argue or offer unofficial payments. Get an official receipt.
6. For long overstays (30+ days): Consult an immigration lawyer in Phnom Penh before attempting to leave. They may be able to negotiate the resolution or advise on the best approach.

Extend your visa before it expires at these locations:

• General Department of Immigration (Phnom Penh):
  Address: #332 Russian Blvd (Mao Tse Toung Blvd), Phnom Penh
  Hours: Monday–Friday, 7:30–11:30 AM and 2:30–5:30 PM
  Walk-in; bring passport and fee in USD cash
• Siem Reap Immigration Office:
  Siem Reap town; standard weekday hours
  Less busy than Phnom Penh; same fee structure
• Visa agents (Phnom Penh, Siem Reap, Kampot, Sihanoukville):
  Widely available; add $10–20 service fee above official rates
  Convenient if you do not want to visit the office in person
  Reputable agents do not require original passport to be left overnight for most extensions

The most common cause of accidental overstay is miscounting. Here are the rules:

• Day 1 = your entry date. The day you arrive in Cambodia counts as Day 1, not Day 0.
• The stamped date is the last day. The expiry date stamped in your passport is the final day you may be in Cambodia. You must leave by 11:59 PM on that date.
• Example: You enter on March 1. Your stamp shows "30/03/26" (March 30, 2026). You must leave on or before March 30. If you leave on March 31, you have overstayed one day ($10 fine).

Cambodia uses the DD/MM/YY format for dates in visa stamps. This is the opposite order from US date format (MM/DD/YY) and can cause confusion.

Examples:

• "15/04/26" = April 15, 2026 (NOT the 15th month, which does not exist)
• "01/06/26" = June 1, 2026 (NOT January 6)
• "20/12/26" = December 20, 2026

American travelers are particularly prone to misreading dates in DD/MM/YY format. Always double-check by asking yourself: does the first number exceed 12? If so, it must be the day (since months only go to 12). If both numbers are 12 or below, use local context to determine which is day and which is month — in Cambodia, the first number is always the day.