What ID do I need to travel from Northern Ireland to UK?

Acceptable Identification Note: To travel between Ireland and Britain with photo identification other than a passport, you must be a citizen of either country. The following forms of photo identification are acceptable once they are in date: Valid passport or Irish passport card. Driver's licence with photo.



Traveling between Northern Ireland and the British mainland (England, Scotland, and Wales) is considered domestic travel within the UK, meaning you do not legally require a passport to cross the Irish Sea. However, in 2026, airline and ferry policies are the practical deciders of what ID you must carry. Most carriers require a valid government-issued photo ID. Accepted forms typically include a driving license, a citizen card, or a work/university ID with a photo. As of February 25, 2026, Aer Lingus and other carriers have standardized their requirements: while travel from the Republic of Ireland to the UK now strictly requires a passport or passport card, travel from Belfast to the UK mainland remains more flexible, still accepting the aforementioned photo IDs. Regardless of the legal minimum, carrying a passport is always the "gold standard" to ensure no issues at the boarding gate.

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Can I travel to the UK with an ID card after Brexit or do I need a passport? From 1 October 2021 you need a valid passport to travel to the United Kingdom (UK).

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Border control and the Common Travel Area. There are no routine passport controls in operation for Irish and UK citizens travelling between the 2 countries. However, you must show identification to board a ferry or an airplane, and some airlines and sea carriers only accept a passport as valid identification.

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- Hannon Coach. “What ID do I need to board the ferry? I'm not a British citizen.” If you are travelling from Belfast to Cairnryan you don't technically need a passport and I'm never asked for it but you will occasionally be spot checked so it's wise to have photographic ID to hand.

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From 1st October 2021, nationals of the EEA/EU or Switzerland travelling to the United Kingdom must be in possession of a valid passport, as National ID cards issued by the EEA/EU and Switzerland are no longer acceptable to enter the UK (unless you hold a form of residence status in the UK).

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In place of a passport, you can use WHTI-compliant documents like passport cards, trusted traveler's cards, and NEXUS cards. While these allow you to travel to these regions by sea and road, they are not acceptable for international flights.

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As there is no physical border between the Republic of Ireland and Northern Ireland you will not pass through UK immigration control if arriving to Belfast through Dublin. As such, your passport will not be endorsed with a UK entry stamp.

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Travelling in the European Union. As Ireland is not a party to the Schengen Agreement, Irish citizens must present a passport when entering other EU Member States. Similarly, all EU citizens entering Ireland will be required to present a passport or a valid national identity card.

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U.S. citizens will not be allowed to use their expired U.S. passport for direct return to the United States after June 30, 2022. If a U.S. citizen overseas has an expired U.S. passport, please contact your nearest U.S. Embassy or Consulate to apply for a U.S. passport.

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