Do you need a return ticket to enter Vietnam?

An unpaid booking hold or “reservation” without completed passenger details may be rejected as proof of onward travel. Airline staff are aware of such reservations and may require you to buy a fully issued ticket on the spot before allowing boarding.

Airlines follow the Timatic database, not the destination country's laws. According to Timatic, passengers without a sticker visa and an onward ticket may be denied boarding. Once check-in has been refused, there is no practical way to reverse the decision on the spot.

A Vietnamese e-visa cannot be obtained while already inside Vietnam — you must leave the country before applying.

Travelers with a visa are generally not asked for an onward ticket at check-in. Those entering visa-free (e.g. on the 45-day stamp) may be required to show one, especially when departing from Bangkok or Kuala Lumpur. Thai AirAsia is one carrier where this has been confirmed in practice.

A bus ticket out of Vietnam may be accepted as an onward ticket at airline check-in if no specific requirement for an air ticket is stated. However, if you are denied entry at passport control, a bus ticket is useless — the airline that boarded you without proper documentation is responsible for returning you at its own expense.

When departing from Thailand to Vietnam, airlines often check for an onward ticket out of Vietnam — even if you are transiting. If they insist, you can step aside and purchase one on the spot.

Vietnamese immigration does not check onward tickets. If the airline let you board without one, that is the airline's responsibility — not yours.

The main check happens at airline check-in: you may be denied boarding without a return or onward ticket. Vietnamese border control can also refuse entry, in which case the airline must fly you back at their expense.

An onward ticket is typically required in two situations: at airline check-in, and when you have no visa. If you have a valid visa and the airline boarded you, Vietnam immigration usually raises no issues.