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UK ETA vs US ESTA: Key Differences Explained

March 28, 2026
UK ETA vs US ESTA: Key Differences Explained

Two Similar Systems, Important Differences

The UK Electronic Travel Authorisation and the US Electronic System for Travel Authorization serve similar purposes: they screen travellers from visa-exempt countries before they arrive. However, there are notable differences between the two systems that travellers should understand.

Side-by-Side Comparison

FeatureUK ETAUS ESTA
Validity2 years2 years
Maximum stay per visit6 months90 days
Multiple entriesYesYes
Linked to passportYesYes
Application methodOnline or appOnline only
Typical processingUp to 72 hoursUp to 72 hours
Covers transitYesYes

Key Differences

Length of Stay

One of the biggest differences is the permitted length of stay. The UK ETA allows visits of up to six months, while the US ESTA limits stays to 90 days. This makes the UK ETA more generous for extended holidays or longer business trips.

Application Experience

The UK ETA can be applied for through a dedicated smartphone app as well as online, while the US ESTA is only available through the official CBP website. The UK system is generally considered more modern and user-friendly.

Eligible Countries

The list of countries eligible for each programme differs. Some nationalities may qualify for one but not the other. Always check your eligibility before making travel plans.

Do You Need Both?

If you are planning a trip that includes both the UK and the US, you will need to apply for each authorisation separately. They are independent systems run by different governments, and holding one does not affect the other.

Apply for Your UK ETA

Planning a trip to Britain? Apply for your UK ETA today and get approved before you fly.

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