Do You Need a Passport for a Domestic Flight at Heathrow?

<p>No, UK citizens do not need a passport for a domestic flight from Heathrow, but every airline requires valid government-issued photo ID, such as a passport, a full or provisional driving licence, an armed forces ID card, or a police warrant card. Non-UK nationals normally do need a valid passport to fly between destinations within the UK. Checked 2026.</p><h2 id="domestic-routes-from-heathrow">Domestic routes from Heathrow</h2><p>Heathrow's schedule is overwhelmingly international, but it does carry a small number of UK domestic connections, mainly short-haul shuttle-style services to other major British airports operated as feeder flights for onward international connections. These count as domestic flights under UK ID rules because both the departure and arrival airports are within the United Kingdom.</p><h2 id="accepted-id-for-uk-citizens">Accepted ID for UK citizens</h2><p>There is no legal requirement to carry a passport on a flight that starts and ends within the UK, but airlines still require photo ID to confirm that the person boarding matches the name on the booking. Commonly accepted documents include:</p><ul><li>A valid or recently expired passport</li><li>A full or provisional UK driving licence (photocard)</li><li>A valid EU or Swiss national photographic identity card</li><li>An armed forces identity card</li><li>A police warrant card or badge</li></ul><p>Some airlines accept a passport that expired up to around five years ago for domestic UK travel, though this varies by carrier. Always check your airline's own conditions of carriage before travelling, since Heathrow check-in and gate staff enforce whatever policy the operating airline sets, not a single airport-wide rule.</p><div class="table-wrap"><table><thead><tr><th>Traveller</th><th>Passport required?</th><th>Accepted alternative ID</th></tr></thead><tbody><tr><td>UK citizen, domestic route</td><td>No</td><td>Driving licence, forces ID, police warrant card, or passport</td></tr><tr><td>Non-UK national, domestic route</td><td>Normally yes</td><td>Valid passport, plus visa or immigration status if required</td></tr><tr><td>Connecting through Heathrow from an international flight to a domestic one</td><td>Yes, for the international leg</td><td>Passport used for the international arrival remains the primary document</td></tr></tbody></table></div><h2 id="non-uk-nationals-and-connections">Non-UK nationals and connecting passengers</h2><p>If you are not a UK citizen and are flying purely within the UK from Heathrow, you will normally need to show a valid passport, since it is used to confirm identity and nationality even though there is no immigration control on a UK-to-UK flight. If you are connecting through Heathrow from an international arrival onto a domestic leg, you will already have cleared UK immigration with your passport, and that document typically remains what airline staff check for the onward domestic flight too.</p><h2 id="why-airlines-still-check-id">Why airlines still check ID on UK-only routes</h2><p>Since there is no border control between two UK airports, the ID check at Heathrow for a domestic flight is about verifying that the passenger matches the booking, not about immigration. This is why a driving licence or another approved photo ID can substitute for a passport for UK citizens, while non-UK nationals are generally still asked for a passport as their primary form of identification.</p><h2 id="practical-tips">Practical tips before you fly</h2><ul><li>Check your specific airline's accepted ID list a few days before travel, since policies differ between carriers using Heathrow.</li><li>If your only photo ID is a passport close to expiry, confirm the airline's rules on expired documents rather than assuming it will be accepted.</li><li>Bring the same document you used when booking, since some airlines match ID details to the name on the reservation.</li><li>If you are connecting from an international flight, keep your passport accessible, since it may be requested again even for the final domestic leg.</li></ul><h2 id="related-reading">Related reading</h2><p>For international arrivals, see our guide to <a href="/articles/can-americans-use-heathrow-egates-age-rules-explained">using eGates at Heathrow</a>. For customs rules on goods you bring back, see our guide to what you can buy at <a href="/articles/heathrow-duty-free-what-you-can-buy-and-is-it-worth-it">Heathrow duty free</a>.</p>