Canada's Electronic Travel Authorization is one of the most common places a traveller gets asked for proof they're actually leaving. A dummy ticket, also called an onward ticket, is a real PNR booked for visa or border-check purposes without paying for the flight, and it's the usual fix when a visa-exempt visitor books a one-way fare into Toronto or Vancouver. British passport holders, among others, need a valid eTA before boarding a flight to Canada, and airline staff check for it at the counter, not just at the border.

Step 1: Confirm you actually need an eTA, not a visa

The eTA route applies to visa-exempt nationalities arriving by air; travellers from countries that require a full visitor visa go through a different process entirely, and an onward ticket plays a different role there (it supports the visa application itself, not the airline check-in, much like the US ESTA process). Check your own passport's status before booking anything. Gov.uk's travel advice for Canada spells out which route applies to British nationals and what counts as valid supporting documentation.

Step 2: Book a real PNR, not a screenshot

A confirmed reservation with an airline reference number is what gets checked, held for a short window, and cancelled if you don't pay. It isn't a PDF made in an editing tool, and the difference matters more than most travellers expect (what a dummy ticket actually is covers this in more depth). Airline check-in systems query the same passenger data governments use to confirm someone holds a genuine route out of the country, so a fabricated confirmation number simply won't come back as valid when staff look it up.

Step 3: Match the exit date to your actual stay

An onward ticket dated for the same week you arrive, when your stated plan is a three-month trip, raises more questions than it answers. Keep the exit date realistic and consistent with anything else you've told an officer or written on a landing card. Name spelling, passport number, and travel dates need to match across every document you're carrying.

Step 4: Know that the airline checks this before the border does

IATA's Timatic system is what airline staff query at check-in to confirm a passenger meets a destination's entry conditions, including whether proof of onward travel is required for that nationality. That means the first checkpoint isn't a Canadian border officer, it's the check-in desk at your departure airport. If the system flags a missing onward ticket, staff can refuse to issue a boarding pass well before you've left the ground.

Step 5: Keep a backup plan if the itinerary changes

Plans shift. If your actual travel dates move, don't just discard the paperwork and hope nobody asks twice. Rebooking or extending a held onward ticket costs less than a denied boarding, and it keeps your documents consistent if you're stopped for secondary questions on arrival.

What if you're planning a longer, open-ended trip

Digital nomads and long-stay visitors run into a specific version of this problem: they genuinely don't know when they're leaving. An eTA itself doesn't set your permitted stay length; that's decided at the border, and a vague answer paired with no onward proof at all tends to invite more questions than a specific one. The practical fix is booking a plausible exit date, even a placeholder one, rather than showing up with nothing and hoping an officer takes your word for it. If your plans firm up later, you can always rebook.

eTA vs. visitor visa vs. land entry: what gets checked where

Entry route Who checks for onward travel Typical proof expected
eTA (air, visa-exempt) Airline check-in staff, then border officer Confirmed onward or return PNR
Visitor visa (air or land) Consulate at application stage Travel itinerary as part of the visa file
Land border crossing Border services officer, discretionary Verbal itinerary, sometimes a printed booking

Frequently asked questions

Does an eTA guarantee entry into Canada?

No. An eTA confirms you're authorized to board a flight; a border services officer still decides admissibility on arrival, and proof of onward travel is one factor they can ask about.

Can I use a real return flight instead of a one-way onward ticket?

Yes, a return ticket satisfies the same requirement as an onward ticket. The point isn't the ticket type, it's having a confirmed booking that shows you're not planning to overstay.

What happens if the airline can't verify my onward ticket?

Staff will usually ask for another form of proof or decline to check you in. This is why a real, bookable PNR matters more than a document that merely looks correct.

Do digital nomads need to rebook every time their plans change?

Not necessarily, but a wildly outdated onward ticket is worse than none at all if it contradicts what you tell an officer. Keeping one active, plausible booking is simpler than juggling several stale ones.

A verifiable onward ticket costs a fraction of what a denied boarding does, and booking one takes a few minutes.