Japan is an island country with no land borders. Every exit is by air or sea, so airlines take proof of departure seriously, and you may be asked for it at check-in on a one-way fare. Maybe you're at that desk now. Start with the first section that matches your clock.

If you have under 20 minutes

Stay calm. Agents see this daily. Hand over your passport and ask: "Do you need to see onward travel for Japan?" Then do what they say.

A dummy ticket, also called an onward ticket, is a real PNR booked for visa or border-check purposes without paying for the flight. It's the quickest document that answers "how are you leaving?"

Here's what to do right now:

  1. Open the booking site on your phone.
  2. Enter your name exactly as the passport shows it.
  3. Pick a departure from Japan to a country you could enter next.
  4. Choose a date inside your planned stay.
  5. Save the PDF and show the booking reference.

Done in minutes. Show the reference so the agent can look it up on their screen. Don't argue, don't rush, and don't hand over a screenshot you can't verify.

Not sure it'll be accepted? Ask the supervisor politely. The final call is theirs.

If you have an hour or more

Now you can do it properly. Spend ten minutes on each of these checks.

Check your passport rules. Many nationalities visit Japan without a visa for short stays, and others need one first. Confirm yours on the UK government's Japan travel advice or your own government's page. We don't quote day counts here because they change.

Check the airline. Airlines read IATA's Timatic database for your passport. The IATA Timatic page explains the service. Phone or message the airline and ask what they expect for a one-way arrival.

Check the document. Our guide on how an agent checks a valid onward ticket lists what they look at. Name, route, date, locator. That's it.

Save everything offline. PDF on your phone, a screenshot, and the reference in your notes.

Action: finish all four before you leave for the airport.

If the reservation might expire before you travel

Holds don't last forever. The window depends on the booking, so read your confirmation and compare it with your travel date.

Time matters here. If you're flying within days, you're likely fine. If you're flying in weeks, think about timing. Our post on how PNR holds work and what to do explains why reservations lapse.

A simple rule: book as close to departure as practical, but not so close that you're gambling with a queue. Many people book a day or two before the flight.

If the hold has already lapsed, don't panic. A lapsed reservation just means the airline no longer shows it. Rebook, then check that the new reference works on the airline's manage-booking page before you leave for the airport. It takes five minutes.

Action: put the expiry date in your calendar and re-check the booking the evening before you fly.

If you're leaving Japan by ferry or another route

Sea exits are real, and some travellers use them. The catch is the same one every time: a check-in agent at your origin airport can't look up a ferry ticket in a database.

So for the airline desk, a flight reservation is usually the document that works. You can still take the ferry if that's your actual plan. Just be honest at the border about what you intend.

If your route includes a connection before Japan, ask which airport will check the document. The check can happen at your first departure point rather than in Tokyo or Osaka.

One more point for travellers on tight schedules: don't pick a flight out of Japan that leaves the day you arrive. It looks odd, and odd invites questions. Aim for a date a sensible distance into your stay, and a route someone could really fly.

Action: decide your real exit first, then match the paperwork to it.

If they've already refused you at the desk

Breathe. Don't raise your voice. A refusal at check-in isn't always final.

Ask three questions, politely:

  • What exactly do you need to see?
  • Would a verifiable reservation out of Japan satisfy it?
  • Can I speak to a supervisor?

If the answer to the second is yes, book it on your phone right there. Then offer the reference. Wait while they check.

If the answer is no, ask what the airline will accept. Some carriers prefer a return or a ticket they can see in their own system. Take the advice, and don't pretend you didn't hear it.

Never present an edited or invented document. That turns a paperwork problem into a serious one.

Action: stay courteous, get the requirement in plain words, then fix that one thing.

If you land and an officer asks

Answer the question you're asked. Where are you staying? How long? What's next? Keep your answers consistent with your documents.

You don't need a speech. Short and truthful works. If you're asked to show onward travel, present the reservation and the reference.

Entry conditions for Japan are set by its authorities and can change. Nothing here is legal or immigration advice, and no document guarantees admission.

Action: keep the reservation, passport and accommodation details together in one place.

Running short on time? Book your Japan onward ticket with Get Dummy Ticket and show the reference at the desk.