Answers

What is a flight reservation for a visa application?

Direct answer

A flight reservation for a visa application is a held airline booking, carrying a real PNR, that a consulate can verify without you buying a ticket first. It exists because most visa applications ask for travel details before the visa is granted, and buying a full fare on an unapproved application is a poor bet.

Why consulates ask for it

A visa application usually asks when you intend to arrive and leave. A reservation answers that with something checkable rather than a stated intention. It is the standard way to satisfy the question without gambling on the outcome.

Why not just buy the ticket

Because the application may be refused, and refundability varies enormously by fare. A held reservation costs a fraction of a fare and carries the verification that matters. If your visa is granted and your dates hold, you then buy the real ticket.

What the consulate checks

The PNR. Not the layout of the PDF, not the airline logo — the code, and whether it resolves to a live booking. This is why an edited document fails: the check is a lookup, not a visual inspection.

Timing

Reservations are held for a defined window. Order close enough to your appointment that the booking is still live when it is checked. A reservation that has lapsed is worse than none, because a released PNR returns nothing.

Frequently asked

Will a consulate accept a reservation instead of a paid ticket?

Requirements vary by consulate and visa type, and some explicitly ask for a reservation rather than a purchased ticket precisely so applicants are not out of pocket on a refusal. Check the requirements published by the consulate handling your application.

What if my dates change after the visa is approved?

That is normal and it is one reason reservations are used rather than tickets. Once the visa is granted you book the flight you actually intend to take.

Is this different from an onward ticket?

Same document, different moment. A visa reservation is presented to a consulate before travel; an onward ticket is presented at a check-in desk or border. Both are held reservations with a real PNR.