For the overwhelming majority of US citizens, denial of entry to Cambodia is close to a non-event. The handful of things that actually cause a turnaround are documentary, not personal — and almost all of them are fixable before you ever leave the United States.

Yes, in theory — any country can refuse entry at the border — but for US citizens with a valid passport and an approved eVisa it is genuinely rare. Cambodia is one of the more straightforward Southeast Asian arrivals for Americans. The denials that do happen are almost always documentary, not personal: a US passport with under 6 months validity (which the airline usually catches first), no valid eVisa, a missing e-Arrival Card, or an obvious mismatch between your visa type and your stated purpose. A routine US criminal record does not block a Cambodia eVisa and is not checked at the desk. Get the three documents right — passport, eVisa, e-Arrival Card — and entry is close to a formality.



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Bangkok in, Siem Reap out — but the land border's closed.
Read the 2026 update →Classic Indochina pairing. See how the visa costs stack up.
Compare the costs →سومین ایستگاه فراموششده در حلقه هندوچین.
Compare the costs →