Vietnam: Inconsistent — Sometimes Asked, Not Universal.
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Inconsistent — Sometimes Asked, Not Universal. Some airlines check for onward travel proof, especially for e-visa holders — enforcement varies by airline and check-in agent.
Vietnam: Inconsistent — Sometimes Asked, Not Universal. Some airlines check for onward travel proof, especially for e-visa holders — enforcement varies by airline and check-in agent.
Vietnam sometimes asks for proof of onward travel, but it's not universal — some travelers get asked, most don't.
A return or onward flight, bus, or train ticket showing you'll leave before your visa/entry allowance expires. A fully refundable booking works too — many travelers book one and cancel it after boarding.
A fully refundable flight booking (cancel it after you board) is the simplest fix. Proof-of-onward-travel rental services generate a real, verifiable-looking reservation for a small fee if you have no fixed return date.
Enforcement varies by airline, individual agent, and your specific visa/entry type — this reflects general patterns, not a guarantee either way. If you're traveling one-way or with an open-ended itinerary to anywhere rated inconsistent or strict, consider a refundable onward ticket or a proof-of-onward-travel booking service as a low-cost safety net.