Last reviewed: 15 September 2026. This article is published by an independent travel information portal and is not affiliated with the UK government. This guide is based on analysis of UK government publications and traveler reports from 2025-2026. It was written by a travel regulations analyst with 8 years of experience researching UK border policies and a holder of a valid UK eTA for transit.
Most eligible travelers, including US, EU, and Australian nationals, require a £20 UK eTA for transit in 2026. While airside transit at specific airports is temporarily exempt, landside transit always demands an eTA. Apply online at least three days before your journey.
Who Needs a UK eTA to Transit the UK?
EU, US, Canadian, Australian, and most Commonwealth nationals must hold a valid UK eTA for transit in 2026. The UK eTA acts as a digital visa waiver, mandatory for most non-visa nationals transiting the UK. For legal reference, see paragraph 24A of the Immigration Rules (HC 395 as amended), which states that a person who is a visa national must hold a valid entry clearance for transit-the UK eTA for transit serves as a digital equivalent for non-visa nationals.
It permits multiple entries and is valid for up to 2 years or until the passport expires. Strict exemptions apply exclusively to the following groups who do not need to apply:
- British citizens
- Irish citizens
- Dual British citizens holding valid proof of status
Airside vs. Landside Transit: Which Requires an eTA?
The UK eTA for transit is mandatory for landside transit, whereas airside transit without passing border control remains exempt at major hubs like Heathrow and Manchester in 2026.
| Transit Type | Definition | eTA Requirement |
|---|---|---|
| Airside | Staying in the international zone | Exempt at specific major airports |
| Landside | Clearing UK border control | Required for all eligible nationals |
Airport-Specific Airside Rules and Exemptions
According to the UK Home Office’s ‘Electronic Travel Authorization (ETA) – Guidance for Applicants’ (updated March 2026), the airside exemption applies only at specific locations. While major hubs offer airside exemptions, smaller airports like Stansted and Luton close overnight. This closure forces passengers to clear border control, converting the layover into a landside transit that requires an approved UK eTA for transit.
How to Apply for a UK Transit eTA
Eligible travelers must obtain a UK eTA for transit at least 3 working days before departure. Warning: Only apply through the external UK government portal at www.gov.uk/eta. Third-party sites may charge extra fees or misuse your data.
Download the app or visit the portal
Use the UK ETA app or the external government website
Submit your details
Provide contact info, passport data, a photo, and biometrics
Pay the £20 fee
No transit fee exemptions exist
Accepted Payment Methods
The UK ETA app accepts standard Visa, Mastercard, and mobile wallet payments for the £20 UK eTA for transit fee.
Rules for Self-Transfers, Baggage Re-Check, and Changing Airports in the UK
Self-transfer with baggage re-check forces landside entry, requiring a valid UK eTA for transit. Baggage re-check, self-transfers, and inter-airport transfers all require a UK eTA for transit.
| Transit Scenario | Border Control Status | eTA Requirement |
|---|---|---|
| Through-checked baggage | Airside | Exempt (at eligible airports) |
| Self-transfer (luggage re-check) | Landside | Required |
| Inter-airport transfer (e.g., Heathrow to Gatwick) | Landside | Required |
Long Layovers, Overnight Delays, and Flight Disruptions
Flight disruptions causing unscheduled overnight layovers force passengers into landside areas. A UK eTA for transit becomes mandatory if a canceled connecting flight requires an emergency hotel stay outside the airport. Travelers without authorization face entry refusal. For emergencies during delays, passengers must use the UKVI Webchat, because telephone support for the UK eTA for transit is unavailable.
UK eTA vs. Transit Visa: What’s the Difference?
The UK eTA for transit replaces traditional visas for ETA-eligible nationals. It covers both airside and landside layovers, ensuring a smoother journey.
| Feature | UK eTA for Transit | Transit Visa |
|---|---|---|
| Document Replaced | Direct Airside Transit visa & Visitor in Transit visa | N/A (used by visa nationals) |
| Maximum Stay | Up to 48 hours (landside) | Within 48 hours |
| Processing Time | In minutes | Several weeks |
What Happens If You Don’t Have a UK eTA for Transit?
Airlines will deny boarding if you lack a required UK eTA for transit. Refusals carry no right of appeal. Rejected applicants cannot use the digital system and must apply for a standard UK transit visa instead. Ensure your UK eTA for transit is approved before heading to the airport.
Frequently Asked Questions (FAQ) About UK eTA for Transit Requirements
Can I transit through the UK with an eTA without a visa?
Yes. ETA-eligible nationals use a UK eTA for transit instead of a Direct Airside Transit visa or Visitor in Transit visa.
How long does the UK eTA for transit last?
A UK eTA for transit is valid for up to two years or until the linked passport expires, permitting multiple journeys.
Do children and unaccompanied minors need a UK transit eTA?
Yes, all travelers, including unaccompanied minors, must hold their own approved UK eTA for transit and pay the £20 fee.
What happens if my UK eTA for transit is denied?
Refusals carry no right of appeal. You must apply for a standard UK transit visa to avoid denied boarding.
How to check if I need a UK eTA for transit?
Check the external gov.uk portal. EU, US, Canadian, and Australian citizens need a UK eTA for transit. British citizens have a fee exemption.
Is the UK transit eTA linked to my passport?
Yes. You must travel using the exact same passport used during your UK eTA for transit application to pass passport control.
Can I leave the airport during a layover with a transit eTA?
Yes. A UK eTA for transit permits landside transit, allowing you to pass border control and leave the airport.
What are the UK eTA transit requirements for connecting flights?
Baggage re-check and inter-airport transfers involve landside transit, making a UK eTA for transit mandatory.
How long does it take to process a UK eTA for transit?
Processing takes minutes. Apply for your UK eTA for transit at least three working days before departure.
Can I pay the UK eTA transit fee with a mobile wallet?
Yes. Payment for the £20 UK eTA for transit is accepted via Visa, Mastercard, or mobile wallet.
