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UK ETA vs Visa: Key Differences Explained

February 21, 2026
UK ETA vs Visa: Key Differences Explained

Two Different Travel Documents

Since the introduction of the UK ETA, many travellers are unsure which document they need. The answer depends on your nationality, the purpose of your trip, and how long you plan to stay. Here is a clear comparison to help you decide.

What Is a UK ETA?

An Electronic Travel Authorisation is a lightweight, digital travel permit for nationals who do not require a full visa. It covers short visits for tourism, business meetings, family visits, conferences, and transit. The ETA is applied for online, processed quickly, and linked to your passport electronically.

What Is a UK Visa?

A visa is a formal permission to enter the UK for a specific purpose and duration. Visas cover a wider range of activities including employment, academic study, long-term residence, and family reunion. The application process is more involved and typically requires supporting documentation.

Side-by-Side Comparison

FeatureUK ETAUK Visa
PurposeTourism, short business, transitWork, study, residence, long stays
Maximum StayUp to 6 months per visitDepends on visa type (months to years)
Validity2 years, multiple entryVaries by visa category
Processing Time1 hour to 72 hours3 to 8 weeks typically
CostLower feeHigher fee (varies by type)
ApplicationFully onlineOnline + possible biometrics appointment
Documents RequiredValid passport onlyPassport, financials, invitation letters, etc.

When You Need an ETA

You need an ETA if you are a citizen of an eligible country and your visit is for short-term purposes: sightseeing, attending a conference, visiting relatives, or transiting through the UK on the way to another destination. Your stay must not exceed six months.

When You Need a Visa

A visa is required if you plan to work in the UK, enrol in a course lasting longer than six months, settle permanently, or if your nationality is not on the ETA-eligible list. Some visa categories also apply to specific situations such as marriage, medical treatment, or creative work.

Can You Switch from ETA to Visa?

No. If you enter the UK on an ETA, you cannot switch to a visa while in the country. You would need to return to your home country and apply for the appropriate visa from there. This is an important distinction for anyone considering extending their stay or changing the purpose of their visit.

Our Recommendation

If your trip is straightforward — a holiday, a short business visit, or transit — the ETA is the right choice. It is faster, cheaper, and far simpler to obtain. For anything involving work, study, or stays longer than six months, consult the UK government's visa guidance or seek professional immigration advice.

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