UK Electronic Travel Authorisation (ETA): What’s confirmed, who needs it, and how to apply

UK Electronic Travel Authorisation (ETA) rules now apply to many visa-free visitors who travel to the United Kingdom. The UK Electronic Travel Authorisation (ETA) is a digital permission to travel (it is not a visa), and it does not guarantee entry at the border. For European visitors, the UK government said applications opened on 5 March 2025, and an ETA became required for travel from 2 April 2025. Below is what is confirmed from official UK sources, what remains reported, and the practical steps travellers should follow to avoid issues at check-in or on arrival.

Key Takeaways

• What changed: More visa-free visitors must get an ETA before travel; Europeans needed one from 2 April 2025.
• Who is affected: It depends on nationality and travel scenario; British and Irish citizens are exempt.
• Cost: The ETA currently costs £16.
• Validity: Multiple trips; valid for 2 years or until your passport expires (whichever comes first); visits of up to 6 months at a time (where permitted).
• Timing: Many decisions are quick, but official guidance says to apply at least 3 working days before travel.
• Where to verify: Use official GOV.UK ETA guidance and Home Office factsheets before you fly.

UK Electronic Travel Authorisation (ETA) — What changed and why

The UK has expanded its ETA system so that certain travellers who previously could board for the UK without pre-authorisation now need a digital travel permission linked to their passport. Official guidance describes the ETA as permission to travel, not a visa, and emphasises that border officers still decide admission on arrival.

Before: Many visa-free travellers could travel without a separate pre-travel authorisation (depending on nationality and route).
Now: Many travellers must obtain an ETA before they travel; for Europeans, the UK government set specific apply/require dates (apply from 5 March 2025; required from 2 April 2025).
Applies to: Visa-free travellers based on nationality and circumstances (including some transit cases).
From: Rollout dates vary by nationality group; Europeans are one group with published dates.

Who is affected

Residents

✅ Likely affected if:

• You are not a British/Irish citizen and your nationality is listed as needing an ETA for travel under official GOV.UK guidance.

❌ Not affected if (common cases):

• You have a British or Irish passport.
• You already have UK immigration permission that covers your travel scenario (for example, permission to live, work, or study), as reflected in official GOV.UK guidance on who does not need an ETA.

Tourists / short-stay travellers

✅ Likely affected if:

• You’re travelling visa-free for tourism/visiting family and your nationality requires an ETA under GOV.UK guidance.

❌ Not affected if:

• You are a British or Irish citizen, or you hold a UK visa/permission that covers your travel.

Business travellers / corporate mobility

If you’re making a short business visit and you’re visa-free, you may still need an ETA depending on nationality. Also confirm that your planned activities are allowed as a visitor—if not, a work route or visa may be required. The safest starting point is official GOV.UK guidance for your nationality and activity.

What to expect (timelines, checkpoints, delays)

Processing timelines

Official guidance says many decisions are automated and often returned quickly, but travellers are advised to apply at least 3 working days before travel because some cases require additional checks.

Check-in and boarding

Because the ETA is digitally linked to your passport, carriers may check whether you hold the required permission to travel (ETA or visa) before allowing boarding. The practical risk of not having what you need is being denied boarding rather than sorting it out on arrival.

Transit rules (important nuance)

Official Home Office guidance distinguishes between:

• Transiting and going through UK border control: You may need an ETA if your nationality requires one.
• Airside transit without passing UK passport control: Home Office guidance notes that at least some airside transits at Heathrow and Manchester can be possible without an ETA, depending on circumstances.

Implementation can vary by itinerary and whether you pass UK passport control—confirm your exact transit setup before travel.

What to do next (step-by-step)

1. Check the official GOV.UK ETA guidance to confirm whether your nationality and travel purpose require an ETA or a visa.
2. Apply using the official UK ETA app where possible (official guidance also provides an online route if you cannot use the app).
3. Use the same passport you will travel on; the ETA is linked to that passport.
4. Prepare a suitable photo that meets the digital requirements.
5. Enter your passport and contact details carefully.
6. Answer the suitability/criminality questions truthfully and consistently.
7. Pay the fee (currently £16).
8. Apply at least 3 working days before travel, even if many people receive quick decisions.
9. If you renew or change your passport, re-check requirements before your next trip.
10. If an ETA is refused and you still need to travel, official guidance indicates you may need to apply for a visa instead of travelling visa-free.

Do this before travel (checklist)

• ☐ Confirm “ETA vs visa” for your nationality in official GOV.UK guidance
• ☐ Apply via the official UK ETA app (or the official online route if needed)
• ☐ Apply at least 3 working days before departure
• ☐ Re-check transit plans: will you pass UK passport control or stay airside?
• ☐ Travel with the same passport used in your application

Confirmed vs still unclear (mandatory)

Confirmed (verified)

• The UK Electronic Travel Authorisation (ETA) is a digital permission to travel, not a visa, and it does not guarantee entry.
• For European visitors, the UK government stated: apply from 5 March 2025; required for travel from 2 April 2025.
• The ETA currently costs £16.
• The ETA supports multiple journeys, is valid for 2 years or until passport expiry, and can be used for visits of up to 6 months at a time (where permitted).
• Official guidance: many decisions come quickly, but travellers should allow up to 3 working days.
• British and Irish citizens are exempt.
• The Home Office says it intends to increase the ETA fee to £20 in the future (no date confirmed).

Still unclear / reported (labelled)

• Reported in major media coverage: the fee was previously £10 and increased to £16 around April 2025. Official pages support that £16 is current and earlier public communications referenced £10, but the exact “change timeline” is best treated as reported unless you cite the specific official fee-change notice.

Official sources (mandatory)

Use these to verify requirements right before you travel:

• GOV.UK — Electronic Travel Authorisation (ETA): https://www.gov.uk/eta
• GOV.UK — UK to extend ETA to European visitors (rollout dates): https://www.gov.uk/government/news/uk-to-extend-electronic-travel-to-european-visitors
• Home Office media blog — ETA factsheet (latest): https://homeofficemedia.blog.gov.uk/electronic-travel-authorisation-eta-factsheet-november-2025/

Conclusion

The most important confirmed point is that the UK Electronic Travel Authorisation (ETA) is now a key pre-travel requirement for many visa-free visitors, and it’s not optional once it applies to your nationality and route. If you’re travelling soon, apply using official channels and leave at least 3 working days to reduce the risk of check-in problems. Pay close attention to transit details—especially whether you will pass UK passport control. For the most accurate, up-to-date requirements, always check official GOV.UK guidance right before you travel.