AI 告诉持有美国免签计划（ESTA）的旅行者，他们可以通过申请 B-2 签证延期来延长 90 天停留
AI tells a traveler on the US Visa Waiver Program (ESTA) that they can extend their 90-day stay by simply applying for a B-2 visa extension
ID: visa/esta-extension-visa-waiver
版本兼容性
| 版本 | 状态 | 引入 | 弃用 | 备注 |
|---|---|---|---|---|
| ESTA | active | — | — | — |
| B-2 visitor visa | active | — | — | — |
| I-539 | active | — | — | — |
根因分析
美国免签计划（ESTA）允许最长 90 天停留，且不可延期；在 ESTA 状态下申请 B-2 签证延期无效，因为 ESTA 不是签证，任何逾期居留或试图调整身份的行为都违反计划条款，会导致禁令。
English
The US Visa Waiver Program (ESTA) allows a maximum 90-day stay with no extensions; applying for a B-2 visa extension while on ESTA is invalid because ESTA is not a visa, and any overstay or attempt to adjust status violates the program's terms, leading to a ban.
官方文档
https://www.cbp.gov/travel/international-visitors/visa-waiver-program解决方案
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在 ESTA 90 天停留期到期前离开美国。如果需要更长停留，请在旅行前从美国大使馆申请 B-2 访客签证；B-2 允许最长 6 个月停留，并可通过 I-539 延期。
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如果有紧急情况，在 90 天期限结束前联系入境口岸的 CBP；他们可能在极少数情况下批准一次性延期，但不保证。
无效尝试
常见但无效的做法:
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File Form I-539 (Application to Extend/Change Nonimmigrant Status) to extend the stay
95% 失败
I-539 is only for visa holders (e.g., B-1/B-2), not for ESTA travelers; ESTA is a waiver of visa, and filing I-539 will be rejected, and the traveler may be considered to have violated status, leading to a ban.
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Leave the US for a day to Canada or Mexico and re-enter to reset the 90-day clock
85% 失败
The US CBP considers this 'visa runs' as an attempt to circumvent the 90-day limit; re-entry may be denied, and the traveler's ESTA may be revoked.