SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/trav-esta-before-travel

When must a Visa Waiver traveler have ESTA approval?

Before boarding a US-bound flight or ship.

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  1. At the airport after landing
  2. Within 30 days after arriving
  3. Before boarding a US-bound flight or ship ✔

Why: Visa Waiver travelers must have an approved ESTA before they travel to the US. It is not something you get after landing.

Huh, didn't know that: ESTA stands for Electronic System for Travel Authorization.

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References

Answer: Before boarding a US-bound flight or ship. Visa Waiver travelers must have an approved ESTA before they travel to the US. It is not something you get after landing.

  1. State Dept: Visa Waiver Program travel.state.gov/content/travel/en/us-visas/tourism-visit/visa-waiver-program.html
    Travelers must have a valid Electronic System for Travel Authorization (ESTA) approval prior to travel
    Checked 2026-10-11.

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