Visa status
Visa-free
UK ETA required from 2025 for visa-free US passport holders; stays of up to 6 months for tourism.
Apply online →Entry Requirements — US Passport Holders
Visa Requirements for London
UK ETA required from 2025 for visa-free US passport holders; stays of up to 6 months for tourism.
Visa-freeUp to 180 daysLast verified 2026-04-21
Maximum stay
180 days
per visit (ETA required from 2025)
Passport validity
Valid through stay
Required at time of entry. Renew well ahead of peak season — US passport processing is 6-8 weeks.
Health
CDC Level 1
No vaccinations legally required for entry from the US.
View current CDC travel notices →Local essentials (cached)
- Capital
- London
- Currency
- GBP (£)
- Calling code
- +44
- Languages
- English
- Voltage
- 230V 50Hz
- Plug type
- Type G
Nearest US Embassy
33 Nine Elms Lane, London SW11 7US, United Kingdom
Emergency: +44-20-7499-9000
Enroll in the Smart Traveler Enrollment Program (STEP) →Apply / Learn more
Always use the official government site — never pay a third party for a visa that is free to apply for directly.
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