Many countries require proof that you will leave within your permitted stay — usually a confirmed return or onward ticket. Airlines check it at check-in because they must fly you back at their own cost if you are refused entry. This guide breaks down onward ticket rules country by country.
Proof of onward travel is evidence that you intend to leave a country within the time you are allowed to stay. It is most commonly a confirmed return or onward flight ticket, but a bus, train or boat ticket out of the country is often accepted too. Many destinations require it for visa-free entry or visa on arrival, especially for travelers holding only a one-way ticket. The document must show a departure date within your permitted stay and a destination outside the country you are entering.
Under international carrier-liability rules, an airline that boards a passenger who is then refused entry must fly that person back — and absorb the cost. To avoid this, airlines verify proof of onward travel at the check-in desk, often before immigration ever sees you. Budget carriers in Southeast Asia and the Americas are the strictest, and a one-way ticket is the most common trigger for a check. The safest approach is to travel with a confirmed onward ticket regardless of where you are headed.
Thailand
Yes — keep onward proof ready
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🇵🇭Philippines
Yes — mandatory, strictest in Asia
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🇮🇩Indonesia
Yes — required for visa on arrival
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🇨🇷Costa Rica
Yes — enforced by air, land and sea
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🇳🇿New Zealand
Yes — mandatory, strictly enforced
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🇸🇬Singapore
Yes — a condition of entry
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🇲🇾Malaysia
Yes — required for the visit pass
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🇻🇳Vietnam
Yes — airlines enforce it strictly
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🇱🇰Sri Lanka
Yes — required with your ETA
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🇲🇽Mexico
Often — and airlines now check
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🇵🇪Peru
Yes — consistently enforced
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🇵🇦Panama
Yes — plus proof of funds
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🇦🇪UAE
Yes — one-way tickets no longer accepted
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🇰🇭Cambodia
Required on paper — airlines enforce it
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🇦🇺Australia
Yes — required under the Migration Act
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🇬🇧United Kingdom
Not mandatory — but its absence is a red flag
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🇧🇷Brazil
Not mandatory — but enforcement is tightening
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🇨🇴Colombia
Yes — required for visa-free entry
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🇿🇦South Africa
Yes — required, even visa-free
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🇹🇷Turkey
Recommended — not required for the e-visa
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🇯🇵Japan
Yes — required for visa-free entry
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🇰🇷South Korea
Yes — airlines run Timatic checks
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🇺🇸USA
Yes — required under the Visa Waiver Program
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🇨🇦Canada
Strongly recommended — not strictly mandatory
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🇭🇰Hong Kong
Yes — a stated entry requirement
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🇹🇼Taiwan
Yes — required for visa-exempt entry
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🇪🇬Egypt
Recommended — not strictly mandatory
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🇰🇪Kenya
Yes — mandatory for the eTA
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🇳🇵Nepal
Recommended — commonly requested
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🇲🇻Maldives
Yes — required for the free visa on arrival
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🇦🇷Argentina
Yes — and airlines enforce it hard
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🇨🇱Chile
Yes — required by immigration rules
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🇪🇨Ecuador
Required by law — loosely enforced at the border
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🇶🇦Qatar
Yes — a confirmed booking is required
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🇯🇴Jordan
Yes — a requirement, not a suggestion
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