The UK has established special visa routes for Ukrainian nationals due to conflict, including the Ukraine Family Scheme visa for joining family members and the Ukraine Sponsorship Scheme (Homes for Ukraine) allowing Ukrainians without family ties to come if sponsored by a UK host.

The CTA allows Irish citizens and UK residents to move freely between the UK, Ireland, and Crown Dependencies without visas or permits.

ETA is a pre-travel authorization required for non-visa nationals, including Europeans from April 2, 2025, to travel to the UK without a full visa.

Visa nationals must always obtain entry clearance (a visa) before traveling to the UK, while non-visa nationals can visit for up to 6 months without a visa.