FlyerTalk Forums - View Single Post - Flying UK-US under ESTA: why is Delta saying a VISA is required?
Old Aug 1, 2018 | 4:39 am
  #6  
CPMaverick
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Your ESTA does not allow indefinite stays in the USA.

So, for a one-way flight you need to show that you have a return ticket to satisfy ESTA requirements, or a Visa.
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