You often hear that a passport must have at least six months left, but not every country requires six months of passport validity.
Some countries only need it valid through your trip, while others require three or six months beyond your departure date.
It’s not just about entry rules. If you don’t meet the destination’s requirement, the airline can deny boarding at the departure airport. Kids’ passports, which are valid for shorter periods, are especially easy to miss.
Why Passport Validity Rules Differ
Countries set passport validity rules to cover cases where visitors overstay or departures are delayed.
Even if your passport won’t expire during the trip, a country may require extra validity from your entry or departure date. So don’t just check that it’s valid through your travel dates.
Rules for Key Destinations
For example, Japan has no minimum remaining validity but your passport must be valid for your stay; Schengen Europe requires at least three months beyond your planned departure; Singapore checks for six months on entry; and countries like the Maldives require six months. For other countries, check with the embassy and airline.
The Japanese Embassy in Korea says you need a valid passport for entry but there’s no minimum remaining period.
It still recommends enough validity for a smooth trip.
For short Schengen visits by non-EU citizens, passports must be valid for at least three months after the planned departure and issued within the last 10 years.
Singapore asks short-term visitors for six months of passport validity. Its arrival card must also be submitted within three days before entry.
Can You Visit Japan with Less Than Six Months?
Japan officially has no minimum remaining validity, so if your passport is valid during your trip, you should in principle meet entry requirements.
But with layovers, changed return flights or airline document checks, using a nearly expired passport isn’t recommended.
If your passport expires within three to six months, renewing before you travel is safer.
For Europe, “Valid Through the Trip” Isn’t Enough
In the Schengen area, the three-months-after-departure rule is key.
For example, if you leave Europe on October 10, your passport must be valid until at least January 10 of the following year.
Also check that your passport was issued less than 10 years before your entry date.
There may be exceptions by nationality and visa status, so check the embassy of your final destination.
Check Kids’ Passports More Often
Korean multiple-entry passports can have different validity depending on age at issue. When family passports are kept together, it’s easy to check only the parents’ and miss a child’s expiry date.
Before paying for flights, check every family member’s English name, date of birth, passport number, expiry date, any damage and linked visas or electronic travel authorizations.
A new passport comes with a new number. If you registered flights or an electronic travel authorization with the old number, check whether you need to update or reapply.
Damaged Passports Are a Separate Issue
Even with plenty of validity left, a torn or water-damaged data page or a damaged chip can cause problems.
Doodles or damaged pages can also cause trouble at immigration or airline check-in, so getting a new one is safer.
Store passports where kids can’t draw on them or add stickers.
The Safest Order to Check
The safest order is: the Ministry of Foreign Affairs overseas safety site, the destination’s embassy or immigration office, your airline’s boarding rules, transit country rules, and your electronic travel authorization status.
Your passport doesn’t always need six months left. Some places like Japan have no minimum, Europe requires three months after departure, and some countries require six months from entry.
If your passport has less than six months left, check passport validity rules for each country before paying for flights, and renew if you’re visiting or transiting several countries.
FAQ
- Can I visit Japan with five months left? Japan has no minimum remaining validity, but your passport must be valid during your trip. Check with your airline too.
- Can I book flights without a passport number? It depends on the airline; check whether you can add or edit it later before paying.
- Can I use my old visa with a new passport? It depends on the country and visa type. You may need to carry both passports or update the visa details.
- Do kids need their own passport? Yes. Everyone needs a valid passport in their own name regardless of age.
Rules and details in this guide are as of July 2026. Check the latest official information before you travel.
More Family Trips on Yans World
- Korean Passport Application & Renewal 2026: Documents, Fees and Online Renewal for Kids
- Tips for Visiting Universal Studios Japan with Kids: Complete Guide to Popular Attractions and Areas
- Travel to France: Louvre Museum
Schedules and prices can change, so check the Korea Ministry of Foreign Affairs overseas safety travel site before you go.