Does a 2 year old need a passport to fly within UK?

A passport is required to fly domestically in the UK if you have no other suitable form of photo ID. Nothing to do with immigration requirements. Infants do not need to produce ID,so you are ok. No form of ID required for anyone on BA domestics.



In 2026, a 2-year-old child generally does not require a physical passport to fly on domestic routes within the United Kingdom (for example, traveling between London and Manchester or Belfast and Edinburgh). Most UK airlines, including British Airways and easyJet, do not mandate photographic identification for children under the age of 16 on domestic flights, provided they are traveling with an adult who can vouch for their identity. However, as a supportive peer, I recommend always carrying a copy of the child’s birth certificate just in case. It is also important to note that while the law doesn't require a passport, specific airline policies can vary slightly, and if your "domestic" journey involves a stop in a territory with different border rules, requirements could change. For international travel, including trips to the Republic of Ireland or the EU, a valid individual passport is absolutely mandatory for all minors regardless of age.

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From birth, your baby will need a passport for any trip where you leave the UK. Their passport is valid for five years, so it's worth bearing in mind whether any older siblings might need a renewal soon too .

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Do children need ID to travel in UK? Children under the age of 16 do not need to show identification when travelling on domestic flights. The adult they are travelling with must travel with photographic identification and be able to confirm their identity.

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Every US citizen, regardless of age, must have a passport to travel abroad. Newborn babies, infants, and toddlers all need a passport to leave and enter another country. Just as if an adult was applying for a passport, babies must have Form DS-11 filled out and submitted.

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Age: 0 to 2 Years Old
Unless your child already has a passport that can be used to prove their birth date, you may need to bring a copy of their birth certificate. While some airlines are more lenient than others, it's always best to come prepared.

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Most international flights allow children under 2 to fly as lap children, but with one big difference — it's usually not 100% free. Typically, if you're flying on a revenue ticket, you must pay the taxes and fees for your lap infant plus, in some cases, 10% of the fare.

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Passport and Photo I.D. Children don't usually need a passport or photo I.D. for domestic flights; however, it's not a bad idea to have photo identification for your children when you travel together. All airlines require the same documentation for children as they would for an adult on international flights.

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Planning your trip
  • Infants on lap. Children under two can sit on a parent's lap during flights to any destination.
  • Infant seats. Alternatively, infants can have their own seat if you bring an approved car seat.
  • All other kids. Children older than two will need a ticket and their own seat on the plane.


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How do I write a consent letter for my child to travel?
  1. List your child's name, birth date/place, and passport details.
  2. Provide the parent's/guardian's name, custody information, and passport details.
  3. Add contact information for the non-traveling parents/guardians.
  4. Detail the child's destination and dates of travel.


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A minor travel consent form is a legal document, signed by a child's parents and/or legal guardians, giving permission for the child to travel with another adult. Any time a child travels abroad without both parents and/or legal guardians, they need to have this written permission.

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Diaper bags, soft-sided cooler bags with breast milk, child safety seats, strollers and medical or mobility devices don't count toward your personal item or carry-on.

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The safest way for baby to fly Infants weighing less than 20 pounds should be bucked into a rear-facing car seat during airplane travel. Children who weigh 20 to 40 pounds should be restrained in a car seat. They should not be switched to using just the airplane's lap belt until they reach at least 40 pounds.

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If you think your toddler is likely to cry, yell and be noisy on the plane, you might want to book seats near the back of the aircraft. This section of the plane, behind the wings, is generally noisier, thanks to the engine, and the background hum might cover the sound of your child.

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Does a 2-year-old need a plane ticket? Yes – once kids turn 2, they no longer qualify as a lap infant. They'll need their own ticket and their own seat to fly. However, some airlines may have slightly different rules or promotions, so it's worth doing a little research.

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As from 2 years old, children need a seat and will pay around 70-75% of a full ticket.

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Although children who have not reached their second birthday are permitted to travel as lap children, the FAA strongly discourages this practice and recommends that you secure your child in an approved CRS in their own seat for the entire flight.

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U.S. Customs and Border Protection recommends that any child under the age of 16 traveling without both legal guardians should have a notarized Child Travel Consent signed by both legal guardians. Having your Child Travel Consent notarized decreases the chance of travel authorities questioning its validity.

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