$5

The fake flight tickets can also be made using Photoshop or any image editor with some extra work. They do not have any  PNR code and is not verifiable on the airline website. It is risky to use a fake flight ticket for visa application purpose or even as proof of return as its easy to make out that the ticket is fake.
If you are submitting the visa application or want to clear immigration, then you need to buy a dummy ticket, which comes with a verifiable PNR. 

You can avail a dummy ticket for just INR 200 or $3 within 10 minutes. 

Buy Now: https://www.onlinedummyticket.com/